Sony SCD-XA777ES Service Manual

Sony SCD-XA777ES Service Manual

Super audio cd player
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SERVICE MANUAL
Ver 1.1 2001.10
When a super audio CD is played
Playing frequency range 2 Hz to 100 kHz
Frequency response
2 Hz to 50 kHz (–3 dB)
Dynamic range
108 dB or more
Total harmonic distortion rate
0.0012 % or less
Wow and flutter
Value of measurable limit (±0.001 %
W. PEAK) or less
When a CD is played
Frequency response
2 Hz to 20 kHz
Dynamic range
100 dB or more
Total harmonic distortion rate
0.0017 % or less
Wow and flutter
Value of measurable limit (±0.001 %
W. PEAK) or less
Sony Corporation
9-873-192-02
2001J0500-1
Home Audio Company
C 2001.10
Published by Sony Engineering Corporation
SCD-XA777ES
Model Name Using Similar Mechanism NEW
CD Mechanism Type
Base Unit Name
Optical Pick-up Name

SPECIFICATIONS

Output connector
Load impedance
Jack type
Output level
Over 10 kilohms
ANALOG OUT
Phono
2 Vrms
jacks
(at 50 kilohms)
Square
–18 dBm
Light emitting
DIGITAL (CD)
(
optical
wave length:
OUT
output
660 nm
OPTICAL*
connector
DIGITAL (CD)
Coaxial
0.5 Vp-p
75 ohms
OUT
output
COAXIAL*
connector
32 ohms
PHONES
Stereo
10 mW
phone jack
*Output only the audio signals of the CD
General
Laser
Semiconductor laser
(SACD: λ = 650 nm)
(CD: λ = 780 nm)
Emission duration: continuous
Canadian Model
AEP Model
CDM19JB-DVBU4B
CDM19JN-DVBU4B
DVBU4B
KHM-230AAA
Laser radiant power:
5.47 uW at 650 nm
*These output is the value measured at a distance of about
200mm from the objective lens surface on the optical pick-up.
Power requirements
120 V AC, 60 Hz
(US and Canadian models)
230 V AC, 50/60 Hz (AEP model)
)
Power consumption
32 W
430 × 130 × 380 mm
Dimensions (w/h/d)
(17 × 5 1/8 × 15 in.)
incl. projecting parts
Mass (approx.)
16 kg (35 lbs 5 oz.)
Supplied accessories
• Audio connecting cord
phono jack × 2 (Red and White) y phono jack × 2 (Red
and White) (3)
phono jack × 1 (Black) y phono jack × 1 (Black) (2)
• Remote commander RM-SX700 (1)
• R06 (size-AA) batteries (2)
• AC power cord (Mains lead) (1)
Design and specifications are subject to change without notice.
SUPER AUDIO CD PLAYER
US Model

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Summary of Contents for Sony SCD-XA777ES

  • Page 1: Specifications

    (CD: λ = 780 nm) • AC power cord (Mains lead) (1) Emission duration: continuous Design and specifications are subject to change without notice. SUPER AUDIO CD PLAYER Sony Corporation 9-873-192-02 2001J0500-1 Home Audio Company C 2001.10 Published by Sony Engineering Corporation...
  • Page 2: Table Of Contents

    OPERATION. REPLACE THESE COMPONENTS WITH DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS POSANTS QUE PAR DES PIÈCES SONY DONT LES SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- NUMÉROS SONT DONNÉS DANS CE MANUEL OU LISHED BY SONY.
  • Page 3 SCD-XA777ES SAFETY CHECK-OUT CAUTION After correcting the original service problem, perform the follow- Use of controls or adjustments or performance of procedures ing safety check before releasing the set to the customer: other than those specified herein may result in hazardous ra- Check the antenna terminals, metal trim, “metallized”...
  • Page 4: Servicing Notes

    SCD-XA777ES SECTION 1 SERVICING NOTES MODEL IDENTIFICATION (2) SACD (single layer) – Back Panel – Sled reverse move (sled in) Disc detect IC setting for SACD Servo error signal offset auto adjustment Spindle kick for LD on LD on Focus search Part No.
  • Page 5 SCD-XA777ES HOW TO OPEN THE DISC TABLE WHEN POWER SWITCH TURNS OFF disc table loading panel assy 2 Draw out the loading panel assy in the direction of arrow B . cover (CAM) 1 Insert a tapering driver in the hole...
  • Page 6 SCD-XA777ES Note: Follow the disassembly procedure in the numerical order given. D-POWER/POWER BOARDS AND RF BOARD SERVICE POSITION 1 Remove the case. 2 Turn over the set. 4 two bottom plates 3 eight screws (3 × 8) 3 four screws (3 × 8) –...
  • Page 7 SCD-XA777ES MAIN BOARD SERVICE POSITION In checking the MAIN board, prepare jig (extension cable J-2501-205-A: 1.50 mm Pitch, 7 cores, Length 300 mm/ J-2501-086-A: 1.00 mm Pitch, 19 cores, Length 300 mm). Note: Be sure to ground the MAIN board with a lead wire when checking it.
  • Page 8 SCD-XA777ES NOTE FOR INSTALLATION (AUDIO MODULE BLOCK) Note: When installing the audio module block, insert the audio module block as shown below. audio module block NOTE ON POSITION OF WIRE (FLAT TYPE) MAIN board wire (flat type) heatsink A-POWER board FRONT Heatsink gets heated up to a high temperature.
  • Page 9: General

    SCD-XA777ES SECTION 2 This section is extracted from instruction manual. GENERAL Front Panel Parts Descriptions OPEN/CLOSE POWER PHONE LEVEL TIME/TEXT MENU MULTI/2CH SACD/CD PHONES PUSH ENTER 1 POWER switch (14) 7 TIME/TEXT button (15) qs N button (14) Press to turn on the player.
  • Page 10: Disassembly

    SCD-XA777ES SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Note 1: The process described in can be performed in any order. Note 2: Without completing the process described in , the next process can not be performed.
  • Page 11: Case (Top)

    SCD-XA777ES Note: Follow the disassembly procedure in the numerical order given. 3-2. CASE (TOP) 2 two screws (flat head) 1 three screws (flat head) 3 case (top) 7 two screws (3 × 8) 4 two screws (3 × 8) 5 two screws...
  • Page 12: Front Panel Section

    SCD-XA777ES 3-4. FRONT PANEL SECTION 2 connector (CN453) 2 connector (CN903) 3 screw (3 × 8) 4 bracket (F) 2 connector (CN481) 3 screw (3 × 8) 4 bracket (F) 2 connector (CN392) 5 front panel section 1 six screws (3 ×...
  • Page 13: Mechanism Deck (Cdm19Jb-Dvbu4B/Cdm19Jn-Dvbu4B), Rf Board

    SCD-XA777ES 3-6. MECHANISM DECK (CDM19JB-DVBU4B/CDM19JN-DVBU4B), RF BOARD 4 four screws (3 × 8) 2 two screws (3 × 8) disc table 6 mechanism deck 3 bracket (CDM19JB-DVBU4B/CDM19JN-DVBU4B) (guide wire) 7 wire (flat type) (25 core) (CN003) 8 connector (CN002) 1 Push the disc table in the direction of arrow A .
  • Page 14: Optical Pick-Up (Khm-230Aaa/J1Np)

    SCD-XA777ES 3-8. OPTICAL PICK-UP (KHM-230AAA/J1NP) 6 screw (BVTP2.6 × 8) 6 screw 7 stopper 1 two screws (BVTP2.6 × 8) (BVTT M3 S) 0 optical pick-up (KHM-230AAA/J1NP) 9 insulator 7 stopper 6 screw (BVTP2.6 × 8) 9 insulator 7 stopper 2 holder (A.
  • Page 15: Base Unit (Dvbu4B)

    SCD-XA777ES 3-9. BASE UNIT (DVBU4B) 7 Insert a taper driver into the cover (CAM), and rotate in the arrow B direction to raise the base unit (DVBU4B) in the arrow C direction. (Chuck release state) 5 screw (BVTT3 × 6) 3 screw (BVTT3 ×...
  • Page 16: Test Mode

    SCD-XA777ES SECTION 4 TEST MODE FLUORESCENT INDICATOR TUBE MODE Procedure: [POWER] 3. After the key check is completed, turn JOG clockwise to turn 1. Press the button while shorting the BP (TEST on the calendar segments sequentially. When the segment “20”...
  • Page 17 SCD-XA777ES This set automatically executes self-diagnosis and various checks Releasing Method of Test Mode [POWER] by entering the test mode. To release the test mode, turn the switch off. Note: This set automatically makes various adjustments according to the type of disc, thereby not requiring adjustment of the set when parts Selection/Entry of Test Mode were replaced.
  • Page 18 SCD-XA777ES FOCUS command (2X): Focus related. (All servos must be already turned on (except command 21)) Name Description Remarks FSRCH ON/OFF The continuous vertical motion of the optical pick-up lens is turned on or Avoid a long-time use F-BIAS UP...
  • Page 19 SCD-XA777ES TOOLS command (8X): Performs aging, reads adjusting parameters, etc. Name Description Remarks VERSION Firmware version is displayed Example: Ver 1.00 TRAY AGING Tray open-close aging is performed Number of times and eccentricity Not used for the servicing measurement Not used in this set.
  • Page 20 SCD-XA777ES Set Check 92. SET CHECK SET TEST START 10. TOTAL CHECK 120. MANUAL CHK 121. LOAD IN ? 0. IC&FL CHECK ? 11. AUTO CHECK ? (Not used.) 1. TOTAL CHECK ? 12. MANUAL CHK ? 122. SPIN UP ? 2.
  • Page 21 SCD-XA777ES 4-1. IC AND FLUORESCENT DISPLAY TUBE CHECK Error display Causes (typical example) (SELF-DIAGNOSIS) PRAWN DRAM ERR 1. IC808 (D-RAM) is faulty The communication between microcomputer and main ICs (self- 2. IC801 (DSD decoder) is faulty diagnosis) and the fluorescent display tube all lit are checked.
  • Page 22 SCD-XA777ES 4-2. AUTO CHECK (AUTOMATIC VARIOUS MEASUREMENTS) The auto check is performed to check if the set operates stably. Though a checking is made automatically, whether the measured data are within the specification is evaluated by the service person. The auto check results in NG immediately, if the check itself causes an error.
  • Page 23 SCD-XA777ES Items Description Remarks HENSIN Eccentricity measurement For the CD only are measured Eccentricity (actual eccentric amount) of disc, disc pulley total • Read by dividing by 10 • 0 may be displayed if eccentricity is small (10um or less) (Due to...
  • Page 24 SCD-XA777ES (2) CD (Use the test disc PATD-012 or YEDS-18) Note: Measured values in check items are typical ones. Check items Specified value LOAD IN TIME (msec) 3000 msec or less SPIN UP TIME (msec) : 1372 2500 msec or less...
  • Page 25 SCD-XA777ES 4-3. SACD (DL) DISC OPERATION CHECK 4-4. HYBRID DISC OPERATION CHECK (• Perform as necessary) (• Perform as necessary) The stability of the set can be checked by repeating the combined This test checks the auto adjustment time required when the disc operation of focus jump (layer 0t1, layer 1t0) and access to is switched between HD (SACD) layer and CD layer.
  • Page 26 SCD-XA777ES 4-5 . AGING MODE 4-6. SHIPPING MODE (• Perform as necessary) The repaired set must be initialized, and for this purpose the set 4-5-1. The aging can be performed to the set in the test should be set to the shipping mode.
  • Page 27 SCD-XA777ES Error display is as follows. Error name, Disc type, IN SW (Sled in switch state), FOK (FOK signal state), LOCK (LOCK signal state), From (Displayed if effective), To (Displayed if effective), Aging times (Displayed in aging mode only) Display example...
  • Page 28 SCD-XA777ES 4-7. WAVEFORMS CHECK Traverse Check This set performs automatic adjustment for each disc, and there- Connection: fore the set need not be adjusted when parts are replaced, but it requires checking following the description in this section, 4-1. oscilloscope IC AND FLUORESCENT DISPLAY TUBE CHECK and 4-2.
  • Page 29 SCD-XA777ES RF Level Check CLV Jitter Check (CD only) Connection: Connection: oscilloscope oscilloscope MAIN board MAIN board (CH1) TP516 (RFCK) TP703 (RFAC) – TP517(WFCK) – TP704 (AGND) (CH2) TP808 (DG) Checking Method: Checking Method: 1. Under the condition of traverse waveform check mode in step 1.
  • Page 30 SCD-XA777ES Checking and Connecting Location: – MAIN Board (Component Side) – TP513 (TE) TP504 TP703 (AVC) (RFAC) TP704 TP506 (AGND) (FE) IC509 IC701 TP517 (WFCK) TP516 (RFCK) IC801 TP808 (DG)
  • Page 31: Diagrams

    SCD-XA777ES SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM – RF/SERVO Section – OPTICAL PICK-UP BLOCK (KHM-230AAA) RFSIN ATOP RFAC RFAC DVDRFP ATON (Page 32) IC004(1/3) A+3.3V • Signal Path +1.65V DIGITAL SERVO PROCESSOR, : SACD PLAY DIGITAL SIGNAL PROCESSOR, AVC +1.65V...
  • Page 32: Block Diagram - Main Section (1/2)

    SCD-XA777ES 5-2. BLOCK DIAGRAM – MAIN Section (1/2) – RF_AC D+5V (Page 31) RFIN IC503 (2/2) WARFI WAVRV DSAL MA0 – 9 DSAL DSI1 DSAL BUFFER (Page 34) DSAR DSAR DSI2 IC812 DSAR DSAC DSI3 DSAC DSAC DSASW D-RAM DSALFE...
  • Page 33: Block Diagram - Main Section (2/2)

    SCD-XA777ES 5-3. BLOCK DIAGRAM – MAIN Section (2/2) – D0 -D7 (Page 32) DATA BUS DATA BUS A0 - A7 ADDRESS BUS ADDRESS BUS (Page 32) (Page 32) 44 – 46 28 – 30, 33 – 37 89 – 96 14 –...
  • Page 34: Block Diagram - Audio Section (1/2)

    SCD-XA777ES 5-4. BLOCK DIAGRAM – AUDIO Section (1/2) – (Page 32) DIGITAL FILTER, DATA SELECTOR CURRENT PULSE, D/A CONVERTER IC305 DATA SELECTOR IC101 IC307 DSAL MDATL FL– DSALS LOUTL+ (Page 35) 5 DATA DSAL LOUTR+ DSAL DSAC LOUTL– MUTE DSAL LOUTR–...
  • Page 35: Block Diagram - Audio Section (2/2)

    SCD-XA777ES 5-5. BLOCK DIAGRAM – AUDIO Section (2/2) – • Signal Path FL– : SACD PLAY I-V CONVERTER AUDIO FILTER LINE AMP IC102 IC103 (1/2) (Page 34) IC103 (2/2) J301 FR – FRONT I-V CONVERTER AUDIO FILTER LINE AMP IC202...
  • Page 36: Block Diagram - Display/Power Supply Section

    SCD-XA777ES 5-6. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section – IFSO0 T902 SIN1 POWER SOUT (Page 33) IFSCO TRANSFORMER (FOR DIGITAL) IFBUSY XIFCS XFRRST RESET S481 J491 POWER AC IN RESET-OUT RESET FL DRIVER FR451 IC1002 FL1001 –31V REGULATOR RECT LINE FILTER FL –31V...
  • Page 37: Note For Printed Wiring Boards And Schematic Diagrams

    SCD-XA777ES 5-7. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • X : parts extracted from the component side.
  • Page 38: Printed Wiring Boards - Loading Motor/Rf/Switch Boards

    SCD-XA777ES 5-8. PRINTED WIRING BOARDS – LOADING MOTOR/RF/SWITCH Boards – • See page 37 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D001 D002 IC001 IC004 IC081 Q001 Q002 Q003 Q005 IC081 IC001 IC004 (Page 40) SWITCH BOARD...
  • Page 39: Schematic Diagram - Loading Motor/Rf/Switch Boards

    SCD-XA777ES 5-9. SCHEMATIC DIAGRAM – LOADING MOTOR/RF/SWITCH Boards – • • See page 68 for Waveforms. See page 70 for IC Block Diagram. (Page The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont line with mark 0 are critical for safety.
  • Page 40: Main Board (Component Side)

    SCD-XA777ES 5-10. PRINTED WIRING BOARD – MAIN Board (Component Side) – • See page 37 for Circuit Boards Location. • Semiconductor Location Ref. No. Location (Page 64) (Page 62) (Page 38) IC509 D-POWER BOARD A-POWER BOARD RF BOARD CN457 CN454...
  • Page 41: Main Board (Conductor Side)

    SCD-XA777ES 5-11. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – • See page 37 for Circuit Boards Location. • Semiconductor Location Ref. No. Location MAIN BOARD D903 (CONDUCTOR SIDE) D904 D905 H-11 IC502 E-10 IC503 C516 IC504 E-11 FB707...
  • Page 42: Schematic Diagram - Main Board (1/5)

    SCD-XA777ES 5-12. SCHEMATIC DIAGRAM – MAIN Board (1/5) – • See page 70 for IC Block Diagram. MAIN (2/2) BOARD (2/5) CENTER SPINDLE MOTOR DRIVE (Page 43) VOLTAGE GENERATOR (1/2) INTEGRATOR IC B/D MAIN BOARD (5/5) (Page 46) SACD DECODER...
  • Page 43: Schematic Diagram – Main Board (2/5)

    SCD-XA777ES 5-13. SCHEMATIC DIAGRAM – MAIN Board (2/5) – • See page 68 for Waveforms. MAIN BOARD (1/5) (Page 42) R1533 0 +2.5V REGULATOR R1532 CN907 3P D.OUT BOARD MAIN CN441 BOARD (Page 47) (1/5) (Page 42) LEVEL SHIFT MAIN...
  • Page 44: Schematic Diagram - Main Board (2/5)

    SCD-XA777ES 5-14. SCHEMATIC DIAGRAM – MAIN Board (3/5) – MAIN BOARD (2/5) MAIN BOARD (2/5) MAIN BOARD (2/5) (Page 43) (Page 43) (Page 43) MAIN BOARD (4/5) (Page 45) MAIN BOARD (4/5) (Page 45) MAIN BOARD (4/5) (Page 45) PANEL...
  • Page 45: Schematic Diagram - Main Board (3/5)

    SCD-XA777ES 5-15. SCHEMATIC DIAGRAM – MAIN Board (4/5) – • • See page 68 for Waveform. See page 70 for IC Block Diagrams. MAIN BOARD (1/5) MAIN BOARD (1/5) MAIN BOARD (1/5) (Page 42) (Page 42) (Page 42) MAIN BOARD...
  • Page 46: Schematic Diagram - Main Board (4/5)

    SCD-XA777ES 5-16. SCHEMATIC DIAGRAM – MAIN Board (5/5) – • See page 68 for Waveforms. • See page 70 for IC Block Diagram. MAIN BOARD (4/5) (Page 45) MAIN BOARD (4/5) (Page 45) MAIN BOARD (1/5) (Page 42) MAIN BOARD...
  • Page 47: Printed Wiring Board - D.out Board

    SCD-XA777ES 5-17. PRINTED WIRING BOARD – D.OUT Board – • 5-18. SCHEMATIC DIAGRAM – D.OUT Board – See page 37 for Circuit Boards Location. D.OUT BOARD D.OUT BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) C448 LP392 C442 R442 MAIN T441 J391 C447...
  • Page 48: Mother Board (Component Side)

    SCD-XA777ES 5-19. PRINTED WIRING BOARD – MOTHER Board (Component Side) – • See page 37 for Circuit Boards Location. MOTHER BOARD (COMPONENT SIDE) 1-682-045- (11)
  • Page 49: Mother Board (Conductor Side)

    SCD-XA777ES 5-20. PRINTED WIRING BOARD – MOTHER Board (Conductor Side) – • See page 37 for Circuit Boards Location. (Page 62) (Page 62) (Page 56) (Page 56) (Page 40) (Page 40) A-POWER A-POWER AUDIO C/SW AUDIO C/SW BOARD MAIN BOARD...
  • Page 50: Schematic Diagram - Mother Board (1/2)

    SCD-XA777ES 5-21. SCHEMATIC DIAGRAM – MOTHER Board (1/2) – • • See page 68 for Waveforms. See page 70 for IC Block Diagrams. CN303 R303 C307 COUNTER IC303 HD74LV161ATELL C308 (Page 63) L301 CN302 CARRY R304 DF.GND CLOCK BUFFER OUTPUT...
  • Page 51: Schematic Diagram - Mother Board (2/2)

    SCD-XA777ES 5-22. SCHEMATIC DIAGRAM – MOTHER Board (2/2) – CN351 -12V +12V -12V +12V -12V R351 C353 +12V (Page 63) C362 -12V R352 250V R354 3.3k R353 C358 C360 C361 220p +12V 100V R355 CN352 2.7k R360 IC351 3.3k OPA2132UA/2K5 R356 3.3k...
  • Page 52: Printed Wiring Board - Audio Front Board

    SCD-XA777ES 5-23. PRINTED WIRING BOARD – AUDIO FRONT Board – • See page 37 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D151 AUDIO FRONT BOARD (COMPONENT SIDE) D152 D153 D154 D155 IC101 IC102 IC103 IC151 IC201 IC202...
  • Page 53: Schematic Diagram - Audio Front Board

    SCD-XA777ES 5-24. SCHEMATIC DIAGRAM – AUDIO FRONT Board – • See page 70 for IC Block Diagrams. FR153 D155 1SS367-T3 Q151 Q153 RN2405-TE85L RN2405-TE85L D151 D152 RELAY RELAY UDZS-TE-17 UDZS-TE-17 +3.3V REGULATOR -9.1B DRIVE -9.1B DRIVE IC151 NJM2370U33-TE2 R180 R159...
  • Page 54: Printed Wiring Board - Audio Surr Board

    SCD-XA777ES 5-25. PRINTED WIRING BOARD – AUDIO SURR Board – • See page 37 for Circuit Boards Location. • Semiconductor Location Ref. No. Location AUDIO SURR BOARD (COMPONENT SIDE) D1151 D1152 D1153 D1154 D1155 IC1101 IC1102 IC1103 IC1151 IC1201 IC1202...
  • Page 55: Schematic Diagram - Audio Surr Board

    SCD-XA777ES 5-26. SCHEMATIC DIAGRAM – AUDIO SURR Board – • See page 70 for IC Block Diagrams. FR1153 Q1151 Q1153 RN2405-TE85L RN2405-TE85L D1155 D1151 D1152 RELAY RELAY 1SS367-T3 UDZS-TE-17 UDZS-TE-17 -9.1B DRIVE -9.1B DRIVE +3.3V REGULATOR IC1151 R1180 R1159 FR1151...
  • Page 56: Printed Wiring Board - Audio C/Sw Board

    SCD-XA777ES 5-27. PRINTED WIRING BOARD – AUDIO C/SW Board – • See page 37 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D2151 AUDIO C/SW BOARD (COMPONENT SIDE) D2152 D2153 D2154 D2155 D2156 D2157 IC2101 IC2102 IC2103 IC2151...
  • Page 57: Schematic Diagram - Audio C/Sw Board

    SCD-XA777ES 5-28. SCHEMATIC DIAGRAM – AUDIO C/SW Board – • See page 70 for IC Block Diagrams. FR2153 Q2151 Q2155 Q2153 RN2405-TE85L RN2405-TE85L D2151 RN2405-TE85L D2152 D2157 D2155 UDZS-TE-17 RELAY RELAY UDZS-TE-17 RELAY UDZS-TE-17 1SS367-T3 -9.1B DRIVE -9.1B -9.1B DRIVE...
  • Page 58: Printed Wiring Board - Panel Board

    SCD-XA777ES 5-29. PRINTED WIRING BOARD – PANEL Board – • See page 37 for Circuit Boards Location. PANEL BOARD (COMPONENT SIDE) (11) 1-682-053- (Page 64) PANEL BOARD (CONDUCTOR SIDE) D-POWER BOARD CN453 58 59 D1004, S1004 D1003, S1003 FLUORESCENT INDICATOR TUBE (Page 60) R.CNTL...
  • Page 59: Schematic Diagram - Panel Board

    SCD-XA777ES 5-30. SCHEMATIC DIAGRAM – PANEL Board – • • See page 68 for Waveform. See page 70 for IC Block Diagram. FL1001 FLUORESCENT INDICATOR TUBE Q1024 DTA114EKA LED DRIVE CN1007 JOGB R1051 R1052 R1053 R1054 CN1001 JOBA Q1023 R1061 R1062 1.5k...
  • Page 60: Printed Wiring Boards - Hp/Jog/Key/R.cntl Boards

    SCD-XA777ES 5-31. PRINTED WIRING BOARDS – HP/JOG/KEY/R.CNTL Boards – • See page 37 for Circuit Boards Location. HP BOARD (CONDUCTOR SIDE) PHONES HP BOARD JOG BOARD (COMPONENT SIDE) –1 PHONE LEVEL CN1008 –2 MOTHER PANEL BOARD BOARD RY1001 CN392 CN1007...
  • Page 61: Schematic Diagram - Hp/Jog/Key/R.cntl Boards

    SCD-XA777ES 5-32. SCHEMATIC DIAGRAM – HP/JOG/KEY/R.CNTL Boards – RV430 R1063 R1064 1k/1k PHONE LEVEL CN430 L430 S1005(2/2) S1007(2/2) CN1004 SACD/CD MULTI/2CH L431 J430 R1055 R1056 R1057 PHONES 1.5k KEY0 SIRCS-DATA L432 (Page 51) LED(SACD) S1006 S1008 C430 C431 C432 (Page 59) 0.001...
  • Page 62: Printed Wiring Board - A-Power Board

    SCD-XA777ES 5-33. PRINTED WIRING BOARD – A-POWER Board – • See page 37 for Circuit Boards Location. A-POWER BOARD (CONDUCTOR SIDE) A-POWER BOARD (COMPONENT SIDE) (US, Canadian) C416 D411 C418 D405 D406 EPT403 IC403 (CHASSIS) IC453 C415 C466 C470 LP406...
  • Page 63: Schematic Diagram - A-Power Board

    SCD-XA777ES 5-34. SCHEMATIC DIAGRAM – A-POWER Board – CN455 IC452 BA05T D459 CN452 D_GND EC10QS04-TE12L5 L457 D+5V D460 EC10QS04-TE12L5 THP452 (Page 65) D461 EC10QS04-TE12L5 +5V REGULATOR C465 C464 C468 C466 D462 THP453 R457 2200 6800 (Page 67) EC10QS04-TE12L5 L458 +5V REGULATOR CN454 D+3.3V...
  • Page 64: Printed Wiring Board - D-Power Board

    SCD-XA777ES 5-35. PRINTED WIRING BOARD – D-POWER Board – • See page 37 for Circuit Boards Location. (Page 58) PANEL BOARD CN1001 D-POWER BOARD (COMPONENT SIDE) D-POWER BOARD (CONDUCTOR SIDE) C467 1-682-047- (11) 1-682-047- (11) POWER TRANSFORMER MAIN BOARD A-POWER BOARD...
  • Page 65: Schematic Diagram - D-Power Board

    SCD-XA777ES 5-36. SCHEMATIC DIAGRAM – D-POWER Board – L451 0µH C452 C451 0.022 0.022 L452 100V 100V 0µH FR451 D451 EC10DS2 L453 Q451 D452 2SA1213O EC10DS2 D422 C457 C455 C454 C453 R455 R454 C458 R452 R462 R451 DTZ-TT11 -31V 0.022 0.022...
  • Page 66: Printed Wiring Boards - Ac/Ac Sw Boards

    SCD-XA777ES 5-37. PRINTED WIRING BOARDS – AC/AC SW Boards – • See page 37 for Circuit Boards Location. T901 POWER TRANSFORMER (FOR AUDIO) A-POWER BOARD CN452 (Page 62) A-POWER BOARD CN401 (Page 62) AC BOARD (CONDUCTOR SIDE) AC BOARD (COMPONENT SIDE)
  • Page 67: Schematic Diagram - Ac/Ac Sw Boards

    SCD-XA777ES 5-38. SCHEMATIC DIAGRAM – AC/AC SW Boards – T901 POWER TRANSFORMER (FOR AUDIO) S481 CN491 CN493 CN481 T491 POWER (Page 63) C494 10000p C481 250V 10000p 250V J491 AC IN (Page 63) T902 POWER C492 C491 TRANSFORMER 10000p 10000p...
  • Page 68 SCD-XA777ES • Waveforms – MAIN Board – – RF Board – 5 IC001 tj (RFAC) (CD PLAY) 1 IC001 el (TE) (CD PLAY) 7 IC803 ia (A1) Approx. Approx. 1.3 Vp-p 3.4 Vp-p 70 mVp-p 178 ns 6 IC001 tj (RFAC) (SACD PLAY)
  • Page 69 SCD-XA777ES – MOTHER Board – – PANEL Board – qs IC509 el (FE) (SACD PLAY) qj IC303 qf (QA) w; IC1001 ea (EXTAL) Approx. 4.1 Vp-p 100 mVp-p 3.4 Vp-p 125 ns 178 ns qd IC509 ra (TE) (CD PLAY) qk IC303 qd (QB) Approx.
  • Page 70: Ic Block Diagrams

    SCD-XA777ES • IC Block Diagrams IC001 CXD1881R (RF Board) 64 63 62 61 60 59 55 54 53 52 FAST ATTACK INPUT OUTPUT HOLD FULL WAVE AGC CHARGE INHIBIT RECTIFER PUMP PROGRAMMABLE FROM S-PORT INPUT EQUALIZER DVDRFP FILTER BIAS DVDRFN...
  • Page 71 SCD-XA777ES IC101, 201 CXD9657N/2K (AUDIO FRONT Board) IC1101, 1201 CXD9657N/2K (AUDIO SURR Board) IC2101, 2201 CXD9657N/2K (AUDIO C/SW Board) 28 VCC3 ZEROL 27 AGND2 ZERO DETECT ZEROR LRCK 26 IOUTL– CURRENT SEGMENT INPUT DATA 25 IOUTL+ 24 VCC2 23 VCC1...
  • Page 72 SCD-XA777ES IC509 CXD3008Q (MAIN Board) 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 DVDD2 ASYE DIGITAL ASYMMETRY CORRECTOR DIGITAL DOUT LRCK D/A DIGITAL PCMD INTERFACE DEMODULATOR TES1 TEST1 ERROR...
  • Page 73 SCD-XA777ES IC701 CXD1882R-1 (MAIN Board) 132131130129128 126125 123122 121120 119118 117116115114113112111110109108107 106105104103102101100 99 98 97 96 95 94 93 92 91 90 89 RF ASYMMETRY GNDA2 MAIN DATA CONTROLLER PRIORITY RESOLVE ECC & EDC GNDA1 & SEQUENSOR XRAS CD-ROM MDIN2...
  • Page 74 SCD-XA777ES IC904 BU2500FV-E2 (MAIN Board) 19 18 12BIT SHIFT REGISTER ADDRESS DECODER 8BIT LATCH 8BIT R-2R D/A CONVERTER BUFFER AMP IC905 M51957BFP-600C (MAIN Board) –...
  • Page 75 SCD-XA777ES IC1002 MSM9201-03GS-K (PANEL Board) COM23 COM2 COM24 COM1 DUTY CONTROL GRID VFL1 DRIVER VDISP1 DIGIT CONTROL OSC0 TIMING TIMING OSCILLATOR GENERATOR1 GENERATOR2 OSC1 RESET CONTROL PORT DRIVER CIRCUIT 8BIT COMMAND SHIFT WRITE READ DECODER REGISTER ADDRESS ADDRESS COUNTER COUNTER...
  • Page 76: Ic Pin Function Description

    SCD-XA777ES 5-39. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC509 CXD3008Q (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER) Pin No. Pin Name Description DVDD0 — Power supply terminal (+3.3V) (digital system) XRST Reset signal input from the I/O expander (IC902) “L”: reset MUTE Muting control signal input from the CPU (IC901) “H”: muting...
  • Page 77 SCD-XA777ES Pin No. Pin Name Description AVSS0 — Ground terminal (analog system) IGEN Stabilized current input for operational amplifiers AVDD0 — Power supply terminal (+3.3V) (analog system) ASYO Playback EFM full-swing output terminal ASYI Playback EFM asymmetry comparator voltage input terminal...
  • Page 78 SCD-XA777ES • MAIN BOARD IC701 CXD1882R-1 (SACD DECODER) Pin No. Pin Name Description 1, 2 D5, D6 Two-way data bus with the CPU (IC901) and I/O expander (IC902) — Ground terminal (digital system) Two-way data bus with the CPU (IC901) and I/O expander (IC902) Address signal input from the CPU (IC901) —...
  • Page 79 SCD-XA777ES Pin No. Pin Name Description HINT Not used (pull up) XS16 Not used (pull up) Not used (fixed at “H” ) XPDI Not used (pull up) VDDS — Power supply terminal (+5V) (digital system) 59, 60 HA0, HA2 Not used (fixed at “H” ) —...
  • Page 80 SCD-XA777ES Pin No. Pin Name Description 118, 119 VCCA5, VCCA4 — Power supply terminal (+3.3V) (analog system) VCOR1 — VCO oscillating range setting resistor connected terminal VCOIN VCO input terminal 122, 123 GNDA4, GNDA3 — Ground terminal (analog system) LPF5 Signal output from the operation amplifier from PLL loop filter Middle point voltage (+1.65V) input terminal...
  • Page 81 SCD-XA777ES Pin No. Pin Name Description XTA1 System clock input terminal (33.8688 MHz) — Power supply terminal (+3.3V) (digital system) 172 to 176 D0 to D4 Two-way data bus with the CPU (IC901) and I/O expander (IC902)
  • Page 82 SCD-XA777ES • MAIN BOARD IC801 CXD2752R (DSD DECODER) Pin No. Pin Name Description VSCA0 — Ground terminal (for core) XMSLAT Serial data latch pulse signal input from the CPU (IC901) MSCK Serial data transfer clock signal input from the CPU (IC901)
  • Page 83 SCD-XA777ES Pin No. Pin Name Description BCKAO Bit clock signal (2.8224 MHz) output terminal for DSD data output Not used (open) PHREFI Phase reference signal input for DSD output phase modulation from the CXD9647R (IC803) PHREFO Phase reference signal output terminal for DSD output phase modulation Not used (open)
  • Page 84 SCD-XA777ES Pin No. Pin Name Description WARFI Analog RF signal input for PSP physical disc mark detection from the CXD1881R (IC001) WAVRB A/D bottom reference terminal for PSP physical disc mark detection 128, 129 WAVSS1,0 — A/D ground terminal (for PSP physical disc mark detection) VSIOA2 —...
  • Page 85 SCD-XA777ES • MAIN BOARD IC803 CXD9647R (DSD DIGITAL SIGNAL PROCESSOR) Pin No. Pin Name Description — Power supply terminal (+3.3V) (digital system) XMSDOE Serial data output enable signal output terminal Not used (open) MSREADY Ready signal input from the CPU (IC901) “L”: ready...
  • Page 86 SCD-XA777ES Pin No. Pin Name Description — Power supply terminal (+3.3V) (digital system) DSAR DSD data (front R-ch) output to the digital filter (IC101, 201, 1101, 1201) — Ground terminal (digital system) DSALS DSD data (surround L-ch) output to the digital filter (IC1101, 1201) —...
  • Page 87 SCD-XA777ES • MAIN BOARD IC901 CXP973F064R-1 (CPU) Pin No. Pin Name Description SACD/CD mode selection signal output to the data selector (IC304, 306, 307, 308) MODE DF “L”: CD mode, “H”: SACD mode AMUTE Muting on/off signal output to the analog line circuit “L”: muting on...
  • Page 88 SCD-XA777ES Pin No. Pin Name Description SOUT DSD Serial data output to the DSD decoder (IC801) and CXD9647R (IC803) SCK DSD Serial data transfer clock signal output to the DSD decoder (IC801) and CXD9647R (IC803) BUSY DP Busy signal input to the display controller (IC1001)
  • Page 89 SCD-XA777ES • MAIN BOARD IC902 CXD1095BR (I/O EXPANDER) Pin No. Description Pin Name Detection signal input from limit in switch (S1) LIM SW The optical pick-up is inner position when “H” WISE Direction of rotation signal input terminal Not used (open)
  • Page 90 SCD-XA777ES Pin No. Description Pin Name MRSEL1 SACD/CD mode selection signal output terminal Not used — Ground terminal (digital system) — Power supply terminal (+3.3V) (digital system) AGING ERR Not used (open) — Not used (open) Disc tray open/close detection switch input terminal OUT SW “L”: disc tray open, “H”: disc trat close Not used...
  • Page 91: Exploded Views

    SCD-XA777ES SECTION 6 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.
  • Page 92: Front Panel Section

    4-235-597-11 PANEL, FRONT (US, Canadian) 4-235-623-01 PLATE (SPACER), INDICATION 4-235-597-21 PANEL, FRONT (AEP: BLACK) 4-235-622-01 PLATE (HALF MIRROR), INDICATION (GOLD) 4-942-568-41 EMBLEM (NO.5), SONY (BLACK) 4-235-625-01 PLATE (FILTER 2), INDICATION (BLACK) 4-230-635-01 BUTTON (PLAY MODE) 4-235-624-01 PLATE (FILTER), INDICATION 4-220-317-01 BUTTON (FILTER)
  • Page 93: Bottom Section

    SCD-XA777ES 6-3. BOTTOM SECTION board section-1 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-970-124-11 CUSHION (F50180S) 4-970-488-01 SPACER (F50180S) 4-970-487-01 FOOT (F50180S) 4-929-074-01 SCREW (3X8)
  • Page 94: Board Section-1

    SCD-XA777ES 6-4. BOARD SECTION-1 supplied supplied supplied CDM19JN-DVBU4B CDM19JB-DVBU4B board section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-929-074-01 SCREW (3X8) 1-757-098-11 WIRE (FLAT TYPE) (35 CORE) 3-701-822-01 HOLDER, WIRE A-4726-334-A A-POWER BOARD, COMPLETE (AEP)
  • Page 95: Board Section-2

    SCD-XA777ES 6-5. BOARD SECTION-2 T901 T902 not supplied not supplied not supplied not supplied not supplied not supplied supplied not supplied US, Canadian model chassis section The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety.
  • Page 96: Chassis Section

    SCD-XA777ES 6-6. CHASSIS SECTION not supplied not supplied not supplied not supplied supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-929-074-01 SCREW (3X8) 3-701-822-01 HOLDER, WIRE * 252 4-615-354-01 SPACER 4-235-601-12 PANEL, BACK (US, Canadian)
  • Page 97: Mechanism Deck Section (Cdm19Jb-Dvbu4B, Cdm19Jn-Dvbu4B)

    SCD-XA777ES 6-7. MECHANISM DECK SECTION (CDM19JB-DVBU4B, CDM19JN-DVBU4B) not supplied not supplied not supplied not supplied not supplied DVBU4B not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-228-673-01 BRACKET (DISC TABLE) A-4735-483-A HOLDER (A.P.) ASSY...
  • Page 98: Base Unit Section (Dvbu4B)

    SCD-XA777ES 6-8. BASE UNIT SECTION (DVBU4B) The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.
  • Page 99: Electrical Parts List

    SCD-XA777ES SECTION 7 ELECTRICAL PARTS LIST AC SW A-POWER NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by 0 or dotted line with mark mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 100 SCD-XA777ES A-POWER AUDIO C/SW Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CN454 1-691-769-21 PLUG (MICRO CONNECTOR) 7P < RESISTOR > CN455 1-564-505-11 PLUG, CONNECTOR 2P R401 1-259-979-11 CARBON MELF 1/8W < DIODE > R402 1-259-991-11 CARBON MELF...
  • Page 101 SCD-XA777ES AUDIO C/SW Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2160 1-165-319-11 CERAMIC CHIP 0.1uF IC2103 8-759-566-39 IC OPA2132UA/2K5 C2161 1-165-319-11 CERAMIC CHIP 0.1uF IC2151 8-759-486-55 IC NJM2370U33-TE2 IC2201 8-759-836-44 IC CXD9657N/2K C2162 1-119-800-11 ELECT...
  • Page 102 SCD-XA777ES AUDIO C/SW AUDIO FRONT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2180 1-216-073-11 RES-CHIP 1/10W C157 1-130-973-00 MYLAR 0.022uF 100V R2181 1-216-298-00 METAL CHIP 1/10W C158 1-130-973-00 MYLAR 0.022uF 100V R2201 1-259-937-11 CARBON MELF...
  • Page 103 SCD-XA777ES AUDIO FRONT AUDIO SURR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC201 8-759-836-44 IC CXD9657N/2K R206 1-259-979-11 CARBON MELF 1/8W IC202 8-759-566-39 IC OPA2132UA/2K5 R207 1-259-991-11 CARBON MELF 1/8W IC203 8-759-566-39 IC OPA2132UA/2K5 R208...
  • Page 104 SCD-XA777ES AUDIO SURR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1165 1-110-495-11 ELECT 220uF < COIL > C1180 1-117-720-11 CERAMIC CHIP 4.7uF L1102 1-408-619-31 INDUCTOR 220uH C1181 1-163-141-00 CERAMIC CHIP 0.001uF L1202 1-408-619-31 INDUCTOR 220uH...
  • Page 105 SCD-XA777ES AUDIO SURR D.OUT D-POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1213 1-259-998-11 CARBON MELF 1.8K 1/8W C460 1-136-850-11 MYLAR 0.1uF R1214 1-259-925-11 CARBON MELF 1.6K 1/8W R1215 1-260-002-11 CARBON MELF 3.3K 1/8W C461...
  • Page 106 SCD-XA777ES D-POWER LOADING MOTOR MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < THERMISTOR (POSITIVE) > 1-641-765-13 LOADING MOTOR BOARD ********************* THP450 1-801-578-11 THERMISTOR, POSITIVE ************************************************************** ************************************************************** A-4726-342-A HP BOARD, COMPLETE A-4726-087-A MAIN BOARD, COMPLETE...
  • Page 107 SCD-XA777ES MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C767 1-164-156-11 CERAMIC CHIP 0.1uF C569 1-164-156-11 CERAMIC CHIP 0.1uF C768 1-164-156-11 CERAMIC CHIP 0.1uF C570 1-125-822-11 TANTALUM 10uF C769 1-164-156-11 CERAMIC CHIP 0.1uF C572 1-115-156-11 CERAMIC CHIP...
  • Page 108 SCD-XA777ES MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > C861 1-115-156-11 CERAMIC CHIP C865 1-164-156-11 CERAMIC CHIP 0.1uF D903 8-719-049-09 DIODE 1SS367-T3SONY C866 1-164-156-11 CERAMIC CHIP 0.1uF D904 8-719-049-09 DIODE 1SS367-T3SONY C867 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 109 SCD-XA777ES MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > R560 1-216-821-11 METAL CHIP 1/16W R561 1-216-821-11 METAL CHIP 1/16W IC502 8-759-567-26 IC BA5983FP-E2 R562 1-216-821-11 METAL CHIP 1/16W IC503 8-759-701-40 IC NJM3404AM-T1...
  • Page 110 SCD-XA777ES MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R671 1-216-833-11 METAL CHIP 1/16W R772 1-216-801-11 METAL CHIP 1/16W R773 1-216-833-11 METAL CHIP 1/16W R672 1-216-833-11 METAL CHIP 1/16W R776 1-216-864-11 METAL CHIP 1/16W R674...
  • Page 111 SCD-XA777ES MAIN MOTHER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R921 1-216-809-11 METAL CHIP 1/16W R1506 1-216-801-11 METAL CHIP 1/16W R1507 1-216-801-11 METAL CHIP 1/16W R922 1-216-801-11 METAL CHIP 1/16W R1508 1-216-801-11 METAL CHIP 1/16W...
  • Page 112 SCD-XA777ES MOTHER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C359 1-136-818-11 FILM 0.0047uF 5% 100V IC371 8-759-711-85 IC NJM4580E-D C360 1-128-201-11 ELECT 100uF < JACK > C361 1-128-201-11 ELECT 100uF C362 1-117-775-31 ELECT 0.1uF 250V...
  • Page 113 SCD-XA777ES MOTHER PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R360 1-260-002-11 CARBON MELF 3.3K 1/8W C1017 1-163-009-11 CERAMIC CHIP 0.001uF R361 1-260-008-11 CARBON MELF 1/8W C1018 1-163-009-11 CERAMIC CHIP 0.001uF R362 1-260-008-11 CARBON MELF...
  • Page 114 SCD-XA777ES PANEL R.CNTL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1019 1-216-089-11 RES-CHIP 1/10W R1020 1-216-089-11 RES-CHIP 1/10W A-4726-527-A RF BOARD, COMPLETE ******************* R1034 1-216-061-00 RES-CHIP 3.3K 1/10W R1042 1-216-025-11 RES-CHIP 1/10W < CAPACITOR >...
  • Page 115 SCD-XA777ES SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C064 1-164-156-11 CERAMIC CHIP 0.1uF C068 1-115-156-11 CERAMIC CHIP R024 1-216-864-11 METAL CHIP 1/16W R025 1-216-864-11 METAL CHIP 1/16W C069 1-115-156-11 CERAMIC CHIP R027 1-216-864-11 METAL CHIP...
  • Page 116 SCD-XA777ES Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-685-647-79 SCREW +P 3X10 TYPE2 SLIT 7-682-548-09 SCREW (3X8) 7-685-548-19 SCREW +BTP 3X12 TYPE2 N-S 7-685-871-01 SCREW +BVTT 3X6 (S) 7-685-887-09 SCREW +BVTT 4X25 (S)
  • Page 117 SCD-XA777ES MEMO...
  • Page 118 SCD-XA777ES US Model Canadian Model SERVICE MANUAL AEP Model Ver 1.1 2001.10 SUPPLEMENT-1 File this supplement with the service manual. Subject: Change of AC/A-POWER/D.OUT/D-POWER/MOTHER boards. (Suffix-12) (ECN-CDB04047) In this set, AC, A-POWER, D.OUT, D-POWER and MOTHER boards have been changed in the midway of production.
  • Page 119: New/Former Type Discrimination

    SCD-XA777ES 1. NEW/FORMER TYPE DISCRIMINATION 2. DIAGRAMS 2-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS – MOTHER BOARD (Component Side) – Note on Printed Wiring Board: Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 120: Printed Wiring Board - D.out Board

    SCD-XA777ES 2-2. PRINTED WIRING BOARD – D.OUT Board – 2-3. SCHEMATIC DIAGRAM – D.OUT Board – D.OUT BOARD D.OUT BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) C448 LP392 C442 R442 MAIN T441 J391 C447 BOARD CN441 DIGITAL(CD) R441 CN907 DIGITAL(CD) COAXIAL IC442...
  • Page 121: Printed Wiring Board - Mother Board (Component Side)

    SCD-XA777ES 2-4. PRINTED WIRING BOARD – MOTHER Board (Component Side) – MOTHER BOARD (COMPONENT SIDE) (12) 1-682-045-...
  • Page 122: Printed Wiring Board - Mother Board (Conductor Side)

    SCD-XA777ES 2-5. PRINTED WIRING BOARD – MOTHER Board (Conductor Side) – (Page 8) (Page 8) A-POWER A-POWER AUDIO C/SW AUDIO C/SW BOARD MAIN BOARD MAIN BOARD BOARD BOARD BOARD CN2102 CN902 CN901 CN402 CN403 CN2101 MOTHER BOARD (CONDUCTOR SIDE) CN351...
  • Page 123: Schematic Diagram - Mother Board (1/2)

    SCD-XA777ES 2-6. SCHEMATIC DIAGRAM – MOTHER Board (1/2) – CN303 R303 C307 COUNTER IC303 HD74LV161ATELL C308 (Page 9) L301 CN302 CARRY R304 DF.GND CLOCK BUFFER OUTPUT IC302 128FS(OUT) TC7WHU04FU C304 +3.3V R305 R302 CN304 256FS(OUT) DF.GND SWGAINUP SWGAINUP MODE(SA/CD) C305...
  • Page 124 SCD-XA777ES 2-7. SCHEMATIC DIAGRAM – MOTHER Board (2/2) – CN351 -12V +12V -12V +12V -12V R351 C353 +12V (Page 9) C362 -12V R352 250V R354 3.3k R353 C358 C360 C361 220p +12V 100V R355 CN352 2.7k R360 C373 IC351 3.3k...
  • Page 125: Printed Wiring Board - A-Power Board

    SCD-XA777ES 2-8. PRINTED WIRING BOARD – A-POWER Board – A-POWER BOARD (CONDUCTOR SIDE) A-POWER BOARD (COMPONENT SIDE) (US, Canadian) C416 D411 C418 D405 D406 EPT403 IC403 (CHASSIS) IC453 C415 C466 C470 LP406 R458 R415 C417 D408 D407 D461 D459 MOTHER...
  • Page 126: Schematic Diagram - A-Power Board

    SCD-XA777ES 2-9. SCHEMATIC DIAGRAM – A-POWER Board – CN455 IC452 BA05T D459 CN452 D_GND EC10QS04-TE12L5 L457 D+5V D460 EC10QS04-TE12L5 THP452 (Page 11) D461 EC10QS04-TE12L5 +5V REGULATOR C465 C464 C468 C466 D462 THP453 R457 2200 6800 (Page 13) EC10QS04-TE12L5 L458 +5V REGULATOR CN454 D+3.3V...
  • Page 127: Printed Wiring Board - D-Power Board

    SCD-XA777ES 2-10. PRINTED WIRING BOARD – D-POWER Board – PANEL BOARD CN1001 D-POWER BOARD (COMPONENT SIDE) D-POWER BOARD (CONDUCTOR SIDE) C467 1-682-047- (12) 1-682-047- (12) POWER TRANSFORMER MAIN BOARD A-POWER BOARD (FOR DIGITAL) CN701 CN455 T902 (Page 8) (Page 12) •...
  • Page 128: Schematic Diagram - D-Power Board

    SCD-XA777ES 2-11. SCHEMATIC DIAGRAM – D-POWER Board – L451 0µH C452 C451 0.022 0.022 L452 100V 100V 0µH FR451 D451 EC10DS2 L453 Q451 D452 2SA1213O EC10DS2 D422 C457 C455 C454 C453 R455 R454 C458 R452 R462 R451 DTZ-TT11 -31V 0.022 0.022...
  • Page 129: Printed Wiring Boards - Ac/Ac Sw Boards

    SCD-XA777ES 2-12. PRINTED WIRING BOARDS – AC/AC SW Boards – T901 POWER TRANSFORMER (FOR AUDIO) A-POWER BOARD CN452 (Page 8) A-POWER BOARD CN401 (Page 8) AC BOARD (CONDUCTOR SIDE) AC BOARD (COMPONENT SIDE) ~ AC IN (CHASSIS) (12) 1-682-048- (12)
  • Page 130: Schematic Diagram - Ac/Ac Sw Boards

    SCD-XA777ES 2-13. SCHEMATIC DIAGRAM – AC/AC SW Boards – T901 POWER TRANSFORMER (FOR AUDIO) S481 CN491 CN493 CN481 T491 POWER (Page 9) C494 10000p C481 250V 10000p 250V J491 AC IN (Page 9) T902 POWER C492 C491 TRANSFORMER 10000p 10000p...
  • Page 131: Electrical Parts List

    SCD-XA777ES A-POWER 3. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by 0 or dotted line with mark mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 132 SCD-XA777ES A-POWER D.OUT D-POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D460 8-719-210-39 DIODE EC10QS04-TE12L5 D461 8-719-210-39 DIODE EC10QS04-TE12L5 R457 1-216-073-11 RES-CHIP 1/10W D462 8-719-210-39 DIODE EC10QS04-TE12L5 R458 1-216-073-11 RES-CHIP 1/10W R459 1-216-073-11 RES-CHIP 1/10W...
  • Page 133 SCD-XA777ES D-POWER MOTHER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C467 1-136-850-11 MYLAR 0.1uF A-4726-333-A MOTHER BOARD, COMPLETE (AEP) C469 1-135-748-11 ELECT 4700uF A-4727-528-A MOTHER BOARD, COMPLETE (US, Canadian) ************************ < CONNECTOR > < CAPACITOR >...
  • Page 134 SCD-XA777ES MOTHER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CN302 1-770-167-11 CONNECTOR, FFC/FPC 19P CN304 1-774-628-11 CONNECTOR, BOARD TO BOARD 17P R306 1-216-025-11 RES-CHIP 1/10W CN305 1-766-956-11 CONNECTOR, BOARD TO BOARD 15P (AEP) CN306 1-766-956-11 CONNECTOR, BOARD TO BOARD 15P...
  • Page 135 SCD-XA777ES MOTHER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R390 1-216-081-00 METAL CHIP 1/10W R391 1-216-081-00 METAL CHIP 1/10W R392 1-216-105-00 RES-CHIP 220K 1/10W R393 1-216-097-11 RES-CHIP 100K 1/10W R394 1-216-049-11 RES-CHIP 1/10W < RELAY >...
  • Page 136 SCD-XA777ES MEMO...
  • Page 137: Revision History

    SCD-XA777ES REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2001.10...

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