Sony HCD-F250AV Service Manual

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SERVICE MANUAL
• HCD-F250AV is the tuner, deck,
CD and amplifier section in MHC-F250AV.
Manufactured under license from Dolby Laboratories
Licensing Corporation.
"DOLBY" and the double-D symbol a and "PRO
LOGIC" are trademarks of Dolby Laboratories
Licensing Corporation.
U.S and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
AUDIO POWER SPECIFICATION:
U.S.A models:
POWER5 OUTPUT AND TOTAL HARMONIC DISTORTION:
with 8 Ω load both channels driven, from 70–20,000 Hz; rates 100W
per channel minimum RMS power, with no more than 0.9% total
harmonic distortion from 250 mmW to rated output.
Amplifier section
Front Speaker:
Continuous RMS power output
Total harmonic distortion
Center Speaker:
Continuous RMS power output
Rear Speaker :
Continuous RMS power output
MICROFILM
HCD-F250AV
SPECIFICATIONS
100 + 100 W
(8 Ω at 1 kHz, 10% THD)
less than 0.09%
(8 Ω at 1 kHz, 40W)
25 W
(8 Ω at 1 kHz, 10% THD)
12.5 + 12.5 W
(16 Ω at 1 kHz, 10% THD)
Model Name Using Similar Mechanism
CD
Section
CD Mechanism Type
Optical Pick-up Name
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
The follwing measured at AC 120/240 V, 50/60 Hz
Continuous RMS power output (Rated)
Continuous RMS power output (Reference)
Peak music power output (Reference)
The follwing measured at AC 110/220 V, 60 Hz
Continuous RMS power output (Rated)
Continuous RMS power output (Reference)
MINI HI-FI COMPONENT SYSTEM
US Model
Canadian Model
HCD-F100
CDM-46B1
KSS-213D/Q-NP
HCD-RX66
TCM-230AWR1
110 + 110 W
(8 Ω at 1 kHz, 1% THD)
130 + 130 W
(8 Ω at 1 kHz, 10% THD)
1500 W
90 + 90 W
(8 Ω at 1 kHz, 1% THD)
110 + 110 W
(8 Ω at 1 kHz, 10% THD)
— Continued on next page —

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Summary of Contents for Sony HCD-F250AV

  • Page 1 HCD-F250AV SERVICE MANUAL US Model Canadian Model • HCD-F250AV is the tuner, deck, CD and amplifier section in MHC-F250AV. Manufactured under license from Dolby Laboratories Model Name Using Similar Mechanism HCD-F100 Licensing Corporation. Section CD Mechanism Type CDM-46B1 “DOLBY” and the double-D symbol a and “PRO...
  • Page 2 Speaker cords(5) Recording system 4-track 2-channel stereo Front speaker pads(8) Frequency response 40 – 13,000 Hz (±3 dB), using Sony Center speaker pads (4) (DOLBY NR OFF) TYPE I cassette 40 – 14,000 Hz (±3 dB), using Sony Design and specifications are subject to change without notice.
  • Page 3 CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU PUBLISHED BY SONY.
  • Page 4: Table Of Contents

    SERVICING NOTES TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UP 1. GENERAL BLOCK OR BASE UNIT – FRONT PANEL – ······························································· 5 The laser diode in the optical pick-up block may suffer electrostatic – REAR PANEL – ·································································· 6 break-down because of the potential difference generated by the charged electrostatic load, etc.
  • Page 5: General

    SECTION 1 GENERAL – FRONT PANEL – #§ #™#£#¢ #¶ @ª#º#¡ @¶@• #∞ 9!º @¢@∞@§ !£ @™@£ !¡!™ !ª@º@¡ !¢ $¡ $º !∞ #ª !§ #• !¶ !• 1 1/u button @™ REC button 2 FUNCTION button @£ PAUSE button 3 TAPE B ª...
  • Page 6: Rear Panel

    – REAR PANEL – 1 VIDEO/MD (AUDIO) jack 2 ANTENNA terminal 3 AC power cord 4 CENTER SPEAKER terminal 5 REAR SPEAKER terminal 6 SPEAKER terminal 7 CD DIGITAL OUT connector 8 SUPER WOOFER jack — 6 —...
  • Page 7 This section is extracted from instruction manual. — 7 —...
  • Page 8: Disassembly

    SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. FRONT PANEL BACK PANEL MAIN BOARD POWER TRANSFORMER (T901) CASE SECTION (Page 10) (Page 10) (Page 11) (Page 8) (Page 9) CD MECHANISM BASE BD BOARD, OPTICAL CHASSIS DECK SECTION...
  • Page 9 2-2. FRONT PANEL SECTION 6 Lug 5 Screws (BVTT 3 × 8) 2 Wire (flat type) (17 core) 1 Wire (flat type) (15 core) 8 Two claws 4 Connector 3 Wire (flat type) (15 core) 8 Two claws 7 Three screws (BVTP 3 ×...
  • Page 10 2-4. BACK PANEL 5 Thirteen screws (BVTP 3 × 8) 1 Wire (flat type) (13 core) 3 Five screws 2 Connector (BVTP 3 × 8) 4 Cover 6 Remove the back panel to direction of the arrow. 2-5. MAIN BOARD 5 Two connectors 7 Remove the MAIN board to direction...
  • Page 11 2-6. POWER TRANSFORMER (T901) 3 Four screws (BVTT 3 × 8) 1 Connector 4 Power transforme 2 Power cord 2-7. SUB CHASSIS 1 Two screws (BVTT 3 × 8) 3 Sub chassis 2 Three screws (BVTP 3 × 8) 2 Two screws (BVTP 3 ×...
  • Page 12 2-8. CD MECHANISM DECK SECTION 8 Three screws 5 Two screws (BVTT 3 × 10) (BVTT 3 × 6) 7 Reinforcement 9 Base (LOADING) 6 Wire holder !¡ Screw !™ Base (CDM) (BVTT 3 × 10) 1 Screw (PTPWH 2.6 × 8) 3 Bwo screws 0 Screw (BVTP 3 ×...
  • Page 13 2-10. BD BOARD, SLED MOTOR (M102) 6 Gear (A) (S) 8 Gear cover 5 Claw 7 Three claws !º Two screws (+P 2 × 2) 9 Gear (B) (RP) 1 Wire (flat type) (16 core) !¡ Sled motor (M102) 4 BD board 2 Screw (+PTPWH 2 ×...
  • Page 14 2-12. TAPE MECHANISM DECK SECTION 2 Remove the cassette lid (L) ass'y to direction of the arrow B . 4 Remove the tape mechanism deck section. 3 Three screws (BVTP 3 × 6) 3 Three screws (BVTP 2.6 × 8) 1 Remove the cassette lid (R) ass'y to direction of the arrow A .
  • Page 15 2-14. CAPSTAN MOTOR (M1) 4 Removal the capstan motor to direction of the arrow. 3 Hang the belt. 2 Hang the belt. 1 Two screws (BTP 2.6 × 8) — 15 —...
  • Page 16: Test Mode

    SECTION 3 TEST MODE [MC Cold Reset] Procedure: The cold reset clears all data including preset data stored in the 1. Press the three buttons STOP , ENTER and GROUP 2 at the RAM to initial conditions. Execute this mode when returning same time.
  • Page 17 2. VOLUME Check Mode 5. The tape A is rewound and stops at the shut-off. The aging The maximum volume is set, and the VOLUME MAX display mode advances to the next step. and the GEQ display are displayed for a moment regardless of The message: TAPE A AG-5 appears.
  • Page 18: Mechanical Adjustments

    SECTION 4 MECHANICAL ADJUSTMENT • TAPE MECHANISM DECK SECTION • Torque Measurement Precaution Torque meter Meter reading Mode 1. Clean the following parts with a denatured alcohol-moistened 31 to 71 g • cm CQ-102C swab: (0.43 – 0.98 oz • inch) record/playback heads pinch rollers 2 to 6 g •...
  • Page 19 PLUS ONE 5. The disc table rotates in the clockwise direction. The disc table rotation time is displayed with ‘’PLUS ONE” slit as a measuring point. 6. Measure the waveform of the oscilloscope when the disc table is rotating. 7. Move the holder (sensor) center so that the flat portion center at the top of the D.SENS (CH1) input waveform and the ‘’H” center of HHOUT (CH2) coincide.
  • Page 20 MAGNET ASSY ALIGMENT 1. Check that there is no disc in the unit and then turn ON the power. Open the door, and set a disc in the PLUS ONE slit. 2. Close the door, and while pressing the button, ENTER button and GROUP 5 button simultaneously. 3.
  • Page 21: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS 2. Turn the adjustment screw and check output peaks. If the peaks DECK SECTION 0 dB=0.775 V do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak. 1.
  • Page 22 DECK B Tape Speed Adjustment DECK B REC Bias Adjustment Note: Start the Tape Speed adjustment as below after setting to the test Procedure: mode. INTRODUCTION In the test mode, the tape speed is high during pressing the When set to the test mode performed in Tape Speed Adjustment, HI-SPEED DUBBING button.
  • Page 23 4. Mode: Record MD/VIDEO (AUDIO) IN 315 Hz, 50 mV (–23.8 dB) AF OSC blank tape 600 Ω CS-123 attenuator 5. Mode: Playback recorded level meter portion – CN301 (Pin 3 : L-CH) (Pin 1 : R-CH) 6. Confirm playback the signal recorded in step 3 become adjustable level as follows.
  • Page 24: Cd Section

    10. Confirm that oscilloscope waveform is clear and check RF signal CD SECTION level is correct or not. 11. Turn OFF the power, and remove the lead wire connected at Note : step 7. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given.
  • Page 25 HCD-F250AV Adjustment Location : oscilloscope BD board [ BD BOARD ] — CONDUCTOR SIDE — TP (TE) TP (VC) CN102 When a general remote commander is not used: Solder lead wires to TP (DVDD) and TP (TOFF) on the BD board severally.
  • Page 26: Diagrams

    HCD-F250AV SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM — CD SECTION — OPTICAL PICK-UP BLOCK FOCUS/TRACKING/ (KSS -213 B/S-N) SLED/SPINDLE SERVO DIGITAL SIGNAL RF AMP PROCESSOR A+5V IC402 DETECTOR IC101 IC102 • SIGNAL PATH A+5V RF SM EFMI D OUT D IN...
  • Page 27: Block Diagram -Main Section

    HCD-F250AV 6-2. BLOCK DIAGRAM — MAIN SECTION — R CH J781 PHONS R CH SOUND CONTROL TM701 J101 IC101 RY701 IN A L OUT POWER IN B (FRONT) Q111,112 Q113 IC801 Q801 Q811,812 Q701,702 R CH IN C BB A...
  • Page 28: Block Diagram -Audio Section

    HCD-F250AV 6-3. BLOCK DIAGRAM — AUDIO SECTION — DECK PROCESS DECK A/B SELECT, PB/REC EQ AMP, DOLBY NR AMP, ALC, AMS • SIGNAL PATH IC301 : PLAYBACK (DECK A) HRP1 DOLBY PASS (PLAYBACK) : PLAYBACK (DECK B) PB OUT (L)
  • Page 29: Circuit Boards Location

    HCD-F250AV 6-4. CIRCUIT BOARDS LOCATION TRANS board THIS NOTE IS COMMON FOR PRINTED WIRING SURR board BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this necessary note is printed in each block.) PANEL board For schematic diagrams. For printed wiring boards.
  • Page 30: Printed Wiring Board -Bd Section

    HCD-F250AV 6-5. PRINTED WIRING BOARD — BD SECTION — • See page 33 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D151 BD BOARD IC101 IC102 IC103 IC104 M101 SPINDLE Q101 MOTOR Q102 Q103 (LIMIT) (VC) M102 SLED...
  • Page 31: Schematic Diagram -Bd Section

    HCD-F250AV 6-6. SCHEMATIC DIAGRAM — BD SECTION — • See page 75 for Waveforms. • See page 76 for IC Pin Functions. — 37 — — 38 —...
  • Page 32: Printed Wiring Board -Cd Motor Section

    HCD-F250AV 6-7. PRINTED WIRING BOARD — CD MOTOR SECTION — • See Page 33 for Circuit Boards Location. MAIN BOARD CN461 (Page 52) TABLE SENSOR BOARD CD MOTOR BOARD TABLE MOTOR LOADING MOTOR (11) 1-663-974- MAIN BOARD 1-663-971- (11) CN453...
  • Page 33: Schematic Diagram -Cd Motor Section

    HCD-F250AV 6-8. SCHEMATIC DIAGRAM — CD MOTOR SECTION — — 41 — — 42 —...
  • Page 34: Printed Wiring Board -Audio Section

    HCD-F250AV 6-9. PRINTED WIRING BOARD — AUDIO SECTION — • See page 33 for Circuit Boards Location. • Semiconductor Location Ref. No. Location IC601 E-12 IC602 IC611 Q621 Q622 Q623 (Page 51) MAIN BOARD CN106 — 43 — — 44 —...
  • Page 35: Schematic Diagram -Audio Section

    HCD-F250AV 6-10. SCHEMATIC DIAGRAM — AUDIO SECTION — MAIN BOARD CN106 (Page 55) — 45 — — 46 —...
  • Page 36: Printed Wiring Board -Leaf Sw Section

    HCD-F250AV 6-11. PRINTED WIRING BOARD — LEAF SW SECTION — • See page 33 for Circuit Boards Location. MAIN BOARD CN107 • Semiconductor (Page 51) Location Ref. No. Location D1001 D1002 IC1001 IC1002 C-11 Q1001 — 47 — — 48 —...
  • Page 37: Schematic Diagram -Leaf Sw Section

    HCD-F250AV 6-12. SCHEMATIC DIAGRAM — LEAF SW SECTION — MAIN BOARD CN107 (Page 55) — 49 — — 50 —...
  • Page 38: Printed Wiring Board -Main Section

    HCD-F250AV 6-13. PRINTED WIRING BOARD — MAIN SECTION — • See page 33 for Circuit Boards Location. • Semiconductor Location Ref. No. Location SURR BOARD AMPLIFIER BOARD CN202 NO801 MAIN BOARD D141 C-10 (Page 67) (Page 72) D333 D401 I-10 (N.C)
  • Page 39 HCD-F250AV 6-14. SCHEMATIC DIARGAM — MAIN (1/5) SECTION — — 53 — — 54 —...
  • Page 40 HCD-F250AV 6-15. SCHEMATIC DIARGAM — MAIN (2/5) SECTION — • See page 51 for Printed Wiring Board. • See page 75 for Waveforms. • See page 81 for IC Pin Functions. — 55 — — 56 —...
  • Page 41 HCD-F250AV 6-16. SCHEMATIC DIARGAM — MAIN (3/5) SECTION — • See page 51 for Printed Wiring Board. • See page 75 for Waveforms. • See page 80 for IC Pin Functions. — 57 — — 58 —...
  • Page 42 HCD-F250AV 6-17. SCHEMATIC DIARGAM — MAIN (4/5) SECTION — • See page 51 for Printed Wiring Board. • See page 84 for IC Black Diagrams. — 59 — — 60 —...
  • Page 43 HCD-F250AV 6-18. SCHEMATIC DIARGAM — MAIN (5/5) SECTION — • See page 51 for Printed Wiring Board. — 61 — — 62 —...
  • Page 44: Printed Wiring Board -Panel Section

    HCD-F250AV 6-19. PRINTED WIRING BOARD — PANEL SECTION — • See page 33 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D601 CD LED D602 PANEL BOARD SW/POWER BOARD BOARD D611 D612 D613 FL601 D614 6869 D615 D616...
  • Page 45: Schematic Diagram -Panel Section

    HCD-F250AV 6-20. SCHEMATIC DIAGRAM — PANEL SECTION — • See page 84 for IC Black Diagrams. — 65 — — 66 —...
  • Page 46: Printed Wiring Board -Surround Amp Section

    HCD-F250AV 6-21. PRINTED WIRING BOARD — SURROUND AMP SECTION — • See page 33 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D863 MAIN BOARD CN105 IC201 (Page 52) IC831 E-11 Q291 Q292 Q831 G-10 SURR BOARD Q834...
  • Page 47: Schematic Diagram -Surround Amp Section

    HCD-F250AV 6-22. SCHEMATIC DIAGRAM — SURROUND AMP SECTION — • See page 75 for Waveforms. • See page 85 for IC Black Diagrams. — 69 — — 70 —...
  • Page 48: Printed Wiring Board -Power Section

    HCD-F250AV 6-23. PRINTED WIRING BOARD — POWER SECTION — • See page 33 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D801 TRANS BOARD D811 D812 D813 D821 D851 IC801 Q801 Q811 Q812 Q851 AMPLIFIER BOARD T991 MAIN BOARD...
  • Page 49: Schematic Diagram -Power Section

    HCD-F250AV 6-24. SCHEMATIC DIAGRAM — POWER SECTION — — 73 — — 74 —...
  • Page 50: Waveforms

    HCD-F250AV 6-25. WAVEFORMS 6-26. IC PIN FUNCTION DESCRIPTION BD BOARD IC101 LA9240M – MAIN Section – – PANEL Section – Pin No. Pin Name Function Connected to the pick-up photodiode FIN2 IC601 8 (X-OUT) IC501 0 (X2) IC501 (¡ (CLK-OUT)
  • Page 51 Pin Name Pin No. Function SLOF Sled servo off control input CV– CLV error signal is input from the digital signal processor CLV error signal is input from the digital signal processor RFSM RF output Works together with the RFSM pin to set the RF gain and the 3T compensation constant for RFS–...
  • Page 52 BD BOARD IC102 LC78622E Pin No. Pin Name Function DEFI Defect detection signal (DEF) input (Be sure to connect to 0 when not in use) PLL test input to incorporates a pull-down resistor (Be sure to connect to 0V) PLL phase comparison output for external VCO control VVSS —...
  • Page 53 Pin No. Pin Name Function EMPH Deemphasis monitor The deemphasis disc is being played back when “H” C2 flag output DOUT Digital OUT output (EIAJ format) TEST3 Test input Incorporates a pull-down resistor Be sure to connect to 0V TEST4 Test input Incorporates a pull-down resistor Be sure to connect to 0V —...
  • Page 54 MAIN BOARD IC401 CXP84632-031Q Pin No. Pin Name Function — — Not used ICSW IC reset signal output — — Not used HHOUT Plus one LED signal output — — Not used 6 to 13 D0 to D7 SRAM data I/O 14 to 28 A0 to A14 SRAM address output...
  • Page 55 MAIN BOARD IC501 uPD780016AYGF-011-3BA Pin No. Pin Name Function LINE-MUTE Line mute signal output DBFB-H/L DBFB H/L select signal output 442-LT Latch signal output for IC101(M62442FP) — — Not used POWER Power control signal output F-RELAY Main speaker relay control signal output R-RELAY Surround speaker relay control signal output(Not used) PL-RELAY...
  • Page 56 Pin No. Pin Name Function 442-CLK Clock signal output for IC101(M62442FP) 442-DATA Data signal output for IC101(M62442FP) CENTER-MUTE Center speaker mute signal output Not used IIC-DATA Serial data output IIC-CLK Serial data clock output XRST CD reset signal output(Not used) CD latch signal output(Not used) Focus switching signal output(Not used) FOCUS-SW...
  • Page 57 MAIN BOARD IC601 TMP87CM74AF-6660 Pin No. Pin Name Function 1 to 6 LED3 to LED8 LED driver output — Ground XOUT X’tal(5MHz) X’tal(5MHz) RESET Reset signal input 11,12 LED9,LED10 LED driver output TEST — Not used 14 to 18 LED11 to LED15 LED driver output 19,20 VOLA,VOLB...
  • Page 58: Ic Block Diagrams

    6-27. IC BLOCK DIAGRAMS IC603 (PANEL BOARD) BA3833F-E2 IC101 (MAIN BOARD) M62442FP RESET RESET 18 RESET VIN1 VIN2 REFFERENCE PREF 17 f01 CURRENT FIN1 FIN2 LINE 16 f02 RIN1 RIN2 LINE 15 f03 IOUT BIAS 13 f VREF Bias 12 VCC VREG FBIN- 11 NC...
  • Page 59 IC201 (SURR BOARD) LV1041M R BPF2 L BPF2 RECT RECT LOGIC LOGIC R BPF1 RECT RECT L BPF1 LOGIC LOGIC RT IN S DC OUT C DC OUT R DC OUT LT IN L DC OUT CONTROL DC CUT V REF V REF CONTROL MODE...
  • Page 60: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • The mechanical parts with no reference number When indicating parts by reference number, • -XX, -X mean standardized parts, so they may in the exploded views are not supplied. please include the board name. have some differences from the original one.
  • Page 61 7-2. FRONT PANEL SECTION not supplied not supplied supplied supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 51 1-669-681-11 DOOR LED BOARD 4-999-646-01 INDICATOR (G.P) 4-627-936-01 LOCK, MINIATURE SIDE * 76 A-4407-821-A FUNC BOARD, COMPLETE 4-999-653-01 RING (VOL) X-4949-859-1 HOLDER (R) ASSY, CASSETTE 4-999-655-01 KNOB (VOL)
  • Page 62: Chassis Section

    7-3. CHASSIS SECTION not supplied not supplied T991 supplied supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-988-439-01 HOLDER, TABLE 1-782-558-21 WIRE (FLAT TYPE) (16 CORE) 4-988-434-01 TABLE (50) 1-782-559-21 WIRE (FLAT TYPE) (9 CORE) 4-957-577-31 SCREW PTP WH (2.6X8) (DIA.
  • Page 63 7-4. MECHANISM DECK SECTION-1 (CDM-46B1) not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 301 1-663-975-11 DOOR SW BOARD * 315 4-988-421-01 HOLDER (MAGNET) * 302 4-988-427-01 COVER, CAM A-4672-522-A MAGNET ASSY 4-988-420-01 SLIDER (LOADING) 4-960-633-11 YOKE (MAGNET) 4-988-436-01 SPRING (LOADING), TORSION...
  • Page 64 7-5. MECHANISM DECK SECTION-2 (CDM-46B1) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 351 1-663-971-11 TABLE SENSOR BOARD * 357 4-988-426-01 BASE (CDM) 4-988-414-01 BELT * 358 1-663-972-11 DISC SENSOR (R) BOARD 4-988-423-01 GEAR (A) (LOADING) * 359 1-663-974-01 CD MOTOR BOARD 4-988-425-01 PULLEY...
  • Page 65 7-6. OPTICAL PICK UP SECTION (KSS-213D/Q-NP) not supplied M102 M101 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks ! 401 8-848-379-31 OPTICAL PICK-UP KSS-213D/Q-NP * 405 A-4699-869-A BD BOARD, COMPLETE 2-626-907-01 GEAR (A) (S) * 406 4-992-054-01 RUBBER, VIBRATION PROOF 2-627-003-02 GEAR (B) (RP) M101...
  • Page 66 7-7. TAPE MECHANISM DECK SECTION-1   TCM-230AWR1   TCM-230PWR1 * NOTE: Two types of parts which are not interchangeable are available for the Head deck (A) ASSY and Head deck (B) ASSY. When replacing the parts, refer to the following figure, and use the appropriate part Parts with “P”...
  • Page 67 7-8. TAPE MECHANISM DECK SECTION-1   TCM-230AWR1   * NOTE: Two types of parts which are not interchangeable are available TCM-230PWR1 for the mechanical block assembly. When replacing the parts, refer to the following figure, and use the appropriate part. Parts with “P”...
  • Page 68: Electrical Parts List

    SECTION 8 AMPLIFIER ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name. specified in the diagrams or the components METAL: metal-film resistor The components identified by mark ! or...
  • Page 69 AUDIO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-2007-731-A AUDIO BOARD, COMPLETE < TRANSISTOR > ********************** Q621 8-729-142-46 TRANSISTOR 2SC2001-LK < CAPACITOR > Q622 8-729-142-46 TRANSISTOR 2SC2001-LK Q623 8-729-801-93 TRANSISTOR 2SD1387 C301 1-162-289-31 CERAMIC 390PF C302 1-126-968-11 ELECT 100uF...
  • Page 70 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4699-869-A BD BOARD, COMPLETE C174 1-163-038-91 CERAMIC CHIP 0.1uF C175 1-163-038-91 CERAMIC CHIP 0.1uF ****************** C181 1-104-664-11 ELECT 47uF < CAPACITOR > C182 1-104-664-11 ELECT 47uF C183 1-163-003-11 CERAMIC CHIP 330PF C101 1-163-038-91 CERAMIC CHIP...
  • Page 71 CD DOOR CD LED CD MOTOR DISC SENSOR (R) DISC SENSOR (S) DOOR LED Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R121 1-216-059-00 METAL CHIP 2.7K 1/10W 1-669-650-11 CD DOOR BOARD R122 1-216-083-00 METAL CHIP 1/10W ************** R123...
  • Page 72 DOOR LED DOOR SW FUNC HP/MIC LEAF SW Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > S641 1-762-875-21 SWITCH, KEYBOARD (2) S642 1-762-875-21 SWITCH, KEYBOARD (3) R652 1-249-402-11 CARBON 1/4W F S643 1-762-875-21 SWITCH, KEYBOARD (4) S644 1-762-875-21 SWITCH, KEYBOARD (5) ************************************************************...
  • Page 73 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4407-784-A MAIN BOARD, COMPLETE (US) C304 1-136-165-00 FILM 0.1uF C305 1-126-964-11 ELECT 10uF ************************* A-4414-838-A MAIN BOARD, COMPLETE (CND) C306 1-126-960-11 ELECT C307 1-126-959-11 ELECT 0.47uF ************************** C308 1-126-964-11 ELECT 10uF...
  • Page 74 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C511 1-126-934-11 ELECT 220uF * CN451 1-568-955-11 PIN, CONNECTOR 6P C512 1-164-159-21 CERAMIC 0.1uF * CN453 1-568-951-11 PIN, CONNECTOR 2P C571 1-109-889-11 ELECT CN454 1-506-468-11 PIN, CONNECTOR 3P C701 1-136-495-11 FILM 0.068uF...
  • Page 75 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > Q575 8-729-620-05 TRANSISTOR 2SC2603-EF Q701 8-729-119-76 TRANSISTOR 2SA1175-HFE IC101 8-759-495-24 IC M62442FP Q702 8-729-620-05 TRANSISTOR 2SC2603-EF IC191 8-759-634-51 IC M5218AP Q703 8-729-119-76 TRANSISTOR 2SA1175-HFE IC301 8-759-495-25 IC BA3833F-E2 Q704...
  • Page 76 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R164 1-249-419-11 CARBON 1.5K 1/4W F R353 1-247-807-31 CARBON 1/4W R165 1-247-863-91 CARBON 1/4W R354 1-247-807-31 CARBON 1/4W R166 1-247-887-00 CARBON 220K 1/4W R355 1-249-421-11 CARBON 2.2K 1/4W F R167 1-249-429-11 CARBON...
  • Page 77 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R544 1-249-429-11 CARBON 1/4W R737 1-247-791-91 CARBON 1/4W R545 1-247-807-31 CARBON 1/4W R738 1-249-435-11 CARBON 1/4W R546 1-247-843-11 CARBON 3.3K 1/4W R739 1-249-429-11 CARBON 1/4W R547 1-247-807-31 CARBON 1/4W R740 1-249-429-11 CARBON...
  • Page 78 MAIN PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D614 8-719-058-64 DIODE SEL5823A (DSP) < TERMINAL > D615 8-719-057-97 DIODE SEL5923A (CD) D616 8-719-058-04 DIODE SEL5223S (ENTER) TM701 1-694-055-31 TERMINAL BOARD (SPEAKER) D625 8-719-058-03 DIODE SEL5423E (TAPE A REW) TM702 1-537-952-11 TERMINAL BOARD,PUSH 2P D626...
  • Page 79 PANEL SURR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R621 1-216-061-00 METAL CHIP 3.3K 1/10W S611 1-762-875-21 SWITCH, KEYBOARD (CLEAR) R622 1-216-061-00 METAL CHIP 3.3K 1/10W S612 1-762-875-21 SWITCH, KEYBOARD (DELETE) R623 1-216-073-00 METAL CHIP 1/10W S613 1-762-875-21 SWITCH, KEYBOARD (REW)
  • Page 80 SURR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C237 1-136-165-00 FILM 0.1uF < TRANSISTOR > C238 1-136-165-00 FILM 0.1uF C239 1-126-959-11 ELECT 0.47uF Q291 8-729-141-30 TRANSISTOR 2SC3623A-LK C240 1-126-963-11 ELECT 4.7uF Q292 8-729-141-30 TRANSISTOR 2SC3623A-LK C241 1-126-959-11 ELECT 0.47uF...
  • Page 81 TRANS SURR SW/POWER TABLE SENSOR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R895 1-249-427-11 CARBON 6.8K 1/4W F < FUSE > R896 1-247-862-11 CARBON 1/4W R899 1-249-425-11 CARBON 4.7K 1/4W F ! F992 1-533-310-11 FUSE, GLASS TUBE 6.3A 125V R900 1-249-425-11 CARBON 4.7K...
  • Page 82 HCD-F250AV Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 7-685-534-19 SCREW +BTP 2.6X8 TYPE2 N-S ************** HARDWARE LIST 7-628-254-15 SCREW +PS 2.6X6 7-628-254-50 SCREW +PS 2.6X16 ************** 7-685-850-04 SCREW +BVTT 2X3 (S) 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S 7-685-132-19 SCREW +BTP 2.6X5 TYPE2 N-S...

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