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Panasonic SA-AK44 Service Manual
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Panasonic SA-AK44 Service Manual

Panasonic SA-AK44 Service Manual

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ORDER NO. MD0104069C2
CD Stereo System
SA-AK44
Colour
(S)... Silver Type
Area
(E)... Europe
(EB)... Great Birtain
(EG)... Germany and Italy
TAPE SECTION :
AR2 MECHANISM SERIES
CD SECTION :
RAE0152Z-3 TRAVERSE DECK SERIES
SPECIFICATIONS
Specifications

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Summary of Contents for Panasonic SA-AK44

  • Page 1 ORDER NO. MD0104069C2 CD Stereo System SA-AK44 Colour (S)... Silver Type Area (E)... Europe (EB)... Great Birtain (EG)... Germany and Italy TAPE SECTION : AR2 MECHANISM SERIES CD SECTION : RAE0152Z-3 TRAVERSE DECK SERIES SPECIFICATIONS Specifications...
  • Page 2 AMPLIFIER SECTION Power output THD 10% 80Hz, both channels driven (LOW) 115 W per channel (6 1 kHz, both channels driven (High) 45 W per channel (6 Total Bi-Amp Power 160W per channel Input sensitivity 250 mV Input Impedance 13 k FM TUNER SECTION Frequency range 87.50 - 108.00 MHz (50 kHz...
  • Page 3 Power consumption in standby mode 0.4 W Dimensions (W x H x D) 250 X 332 X 316mm Mass 8.5 kg SYSTEM SC-AK44(E) Music Center: SA-AK44(E) Speaker: SB-AK44(E) SC-AK44(EB) Music Center: SA-AK44(EB) Speaker: SB-AK44(E) SC-AK44(EG) Music Center: SA-AK44(EG) Speaker: SB-AK44(E) Notes: 1.
  • Page 4 “shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used. If this occurs, follow the procedure outlines below: 1. Turn off the power. 2. Determine the cause of the problem and correct it. 3.
  • Page 5 Antenna Plug Adapror (EB only) 4. Handling Precautions For Traverse Deck The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup). - Handling of traverse deck (optical pickup) 1.
  • Page 6 - Grounding for electrostatic breakdown prevention 1. Human body grounding Use the anti-static wrist strap to discharge the static electricity from your body. 2. Work table grounding Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is placed, and ground the sheet. Caution : The static electricity of your clothes will not be grounded through the wrist strap.
  • Page 7 5. Precaution of Laser Diode Caution : This product utilizes a laser diode with the unit turned "ON", invisible laser radiation is emitted from the pick up lens. / Wavelength : 780 nm / Maximum output radiation power from pick up : 100 W/VDE / Laser radiation from pick up unit is safety level, but be sure the followings:...
  • Page 8 4. Nicht über längere Zeit in die Fokussierlinse blicken. ADVARSEL : I dette a apparat anvendes laser. CAUTION! THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. Use of Caution Labels...
  • Page 9 6. Caution for AC Mains Lead 7. Operation Procedures...
  • Page 11 8. Disassembly and Main Component Replacement Procedures “ATTENTION SERVICER” Some chassis components may have sharp edges. Be careful when disassembling and servicing.

  • Page 12: Table Of Contents

    1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. 2. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required. 3.
  • Page 13 Step 2 Remove the top cabinet. Step 3 Remove the T-bracket.
  • Page 14 Step 5 Turn locating pin on both sides 90°. (Locating pin need not to be bent back.) Step 6 Release the wires CN302, CN303, CN304, CN309 and CN502. Remove rear panel by pulling it backward and lift the rear panel assembly.
  • Page 15 Step 7 Use a hexagonal wrench and turn clockwise to release the tray. Step 8 Pull the CD tray in the direction shown above.
  • Page 16 Step 9 Remove the CD lid in the direction of the arrow. Step 11 Release the two catches shown above to remove the front cabinet from the CD traverse unit.

  • Page 17: Checking Of The Power P.c.b

    Step 12 Connect back the wire to CN302, CN303 and CN304. Use the extension wire (REXX0261) to connect to CN502. Use a FFC wire (REEX0137) to connect CN1 to CN309. 8.1.2. Checking of the Power P.C.B.

  • Page 18: Main Component Replacement Procedures

    8.2. Main Component Replacement Procedures 1. Replacement of the Traverse Deck Step 1 Follow the procedures in ‘Disassembly of the Traverse Unit’ ( Step 1 - Step 4 ) Step 3 Desolder the 4 legs of the 2 motors and pull out the Servo P.C.B. Step 4 Widen the 3 bosses with a flat screwdriver and pull out the 3 pins.
  • Page 19 Step 5 Remove the flexible cable CN 701. - Removal of the flexible cable. Push the top of the connector in the direction of the arrow 1, and then pull out the flexible cable in the direction of the arrow 2. Note: Insert a short pin into the flexible cable for traverse unit.

  • Page 20: Replacement Of The Power Amplifier Ic

    Before installing the CD servo P.C.B., move the optical pickup towards the outer edge from the marking (black triangle). [Otherwise, the reset detect switch (S701) mounted on the CD servo P.C.B. may be damaged.] 2. Replacement of the Power Amplifier IC Step 1 Follow the procedures in ‘Checking Procedure for each major P.C.B.’...

  • Page 21: Disassembly And Assembly Of The Traverse Unit

    8.3. Disassembly and assembly of the Traverse Unit Step 1 Push the lever from position A to B. Step 2 Pull the stopper (black) in the direction of arrow 1 and push the lever in the direction of arrow 2. Step 3 Push the stpeer (black) down until the white lever eject out.
  • Page 22 Step 1 Place the traverse unit as shown. Step 2 Press in the lever shaft in the direction of arrow 1 as shown and push the traverse unit into the position in the direction of arrow 2. Step 3 Pull the stopper in the direction of arrow 1 and release the lever in the direction of arrow 2 as shown.

  • Page 23: Disassembly And Assembly Of The Disc Tray

    8.4. Disassembly and assembly of the Disc Tray Step 3 Remove the mechanism cover. Step 2 With lifting the claw in the direction of arrow 1, draw the clamp SW P.C.B. in the direction of arrow 2. Step 4 Insert the gear with hexagonal wrench into the hole.
  • Page 24 Step 5 Rotate the hexagonal wrench in the direction of arrow (clockwise), and then open the disc tray fully. Step 6 Upset the CD changer unit again. Step 7 Release both the claws, and then draw the disc tray. Step 8 With forcing the left guide bar manually because the left guide bar interfers with claw, draw the disc tray.
  • Page 25 Step 1 Slide the drive rack fully in the direction of arrow. Step 2 Holding the drive rack not to move, install the disc tray.
  • Page 26 Step 3 Align the drive rack with the driver gear. Step 4 Holding the disc tray manually, rotate the pulley gear in the direction of arrow. Step 5 Rotate the gear 5 or 6 times manually, and then push the disc tray. 9.
  • Page 27 9.3. Cassette Mechanism Test (For error code H01, H02, H03, F01, F02) 1. Press “TAPE, DECK 1/2” to select Deck 2. 2. Load a cassette tape with the erasure prevention tab, remove from left side only and close the cassette holder. 3.
  • Page 28 7. Press “PLAY/TUNE/TIME ADJ UP” (After TPS function, tape will stop automatically) 8. Press “REC/STOP” (Tape will not move) 9. Press “STOP/TUNE MODE” to indicate Error code. - If several problem exist, error code will change each time when “ /TUNE MODE”...
  • Page 29 10. Description of Error Code 10.1. Error detection for Cassette Mechanism block Error Error Problem condition Display MODE SW Faulty operation of cassette mechanism. detection error Faulty contact or short-circuit of mechanism mode switch (S951, S971). REC INH SW Recording not possible. detection error Faulty contact or short-circuit of REC INH switch S975).
  • Page 30 10.3. Power Supply related error detection Error Error Problem condition Display POWER AMP When POWER is switched on, power become off automatically. output abnormal During normal operation, if DC DET become L, PCNT shall become L and the error display on the left shall be displayed. (IC501) 11.
  • Page 31 11.2. CD Automatically Adjustment result indication Under CD test mode, pressing the numeric key ‘0’ on the remote controller will display the auto adjustment result. FLOCK, TLOCK and CLVS status shall be shown as below: During the above display, executing CD PLAY will display auto adjustment result for CD PLAY mode.
  • Page 32 - Reverse-mode selector switch: - Tape edit: NORMAL - Record timer: OFF - Make sure head, capstan and press roller are clean. - Judgeable room temperature 20 ± 5 °C (68 ± 9°F) - Measuring instrument - EVM (Electronic Volmeter) - Digital quency counter - Test Tape - Head azimuth adjustment (8 kHz, -20 dB);...
  • Page 33 12.1.2. Tape Speed Adjustment (Deck 1/2) 1. Set the tape edit button to “NORMAL” position. 2. Insert the test tape (QZZCWAT) to DECK 2 and playback (FWD side) the middle portion of it. 3. Adjust Motor VR (DECK 2) for the output value shown below. Adjustment target: 2940 ~ 3060 Hz (NORMAL speed) 4.
  • Page 34 4. Insert the CrO2 tape (QZZCRX). 5. Repeat step 2 and 3. Bias voltage for Deck 2 14 ± 4mV (Normal) Standard value) 17 ± 5mV (CrO2) Erase voltage for Deck 2 more than 80mV (Normal) more than 90mV (CrO2) 12.1.4.
  • Page 35 SIGNAL GENERATOR OR RADIO DIAL INDICATOR REMARKS ADJUSTMENT(Shown SWEEP GENERATOR SETTING (ELECTRONIC in Fig.3) VOLTMETER CONNECTIONS FREQUENCY OSCILLOSCOPE) Fashion a loop 450 kHz 30% Point of non- Headphone Jack Z102 (AM IFT) Adjust of several Mod. at 400Hz. interference (on/ ) Fabricate maximum turns of wire...
  • Page 36 Tuner Section 13. Illustration of IC’s, Transistors and Diodes 14. Terminal Function of IC’s 14.1. IC701 (AN8885SBE1) Servo Amplifier...
  • Page 37 Pin No. Mark Function Tracking signal input 1 Tracking signal input 2 Power supply Focus signal input terminal 1 Focus signal input terminal 2 APC amp input APC amp output RFsumming output RFIN Detector’s input CSBRT I Capacitor for OFTR connection Capacitor for HPF amp connection...
  • Page 38 Pin No. Mark Function BCLK N.C. LRCK N.C. SRDATA O N.C. DVDD1 Power supply input (for digital circuit) DVSS1 GND (for digital circuit) Digital audio interface signal output (Latches data at first transition) MCLK Microprocessor command clock signal input MDATA Microprocessor command data signal input...
  • Page 39 Pin No. Mark Function SMCK 1/2-diveded clock signal of crystal osscillating at MSEL = “H” (fSMCK = 8.4672 MHz) 1/4-divided clock signal of crystal oscillating at MSEL = “L” (fSMCK = 4.2336 MHz) CSEL Frequency Selection Terminal H = 33.8688 MHz ;...
  • Page 40 Pin No. Mark Function TRCRS Track cross signal input /RFDET RF detection signal input ("L" : detection) Dropout signal input ("H" : Dropout) LDON Laser on signal output ("H" : ON) PLLF2 N.C. DSLF2 Tracking Offset alignment output/DSL Balance Output (DA Output) WVEL N.C.
  • Page 41 Pin No. Mark Function X1 IN Crystal oscillating circuit input (f = 16.9344MHz) X2 OUT Crystal oscillating circuit input (f = 16.9344 MHz) Power supply input (for oscillating circuit) BYTCK Byte clock output /CLDCK Sub-code frame clock signal output (fCLDCK = 7.35 kHz during normal playback) FCLK...
  • Page 42 Pin No. Mark Function RSEL RF signal polarity assignment input (at "H" level, RSEL="H", at "L" level, RESL= "L") IOVOD 5V supply input PSEL Test terminal (connected to Gnd) MSEL SMCK oscillating frequency designation input (“L” :4.2336 MHz, “H”: 8.4672 MHz) SSEL SUBQ output mode select (“H”:Q-code...
  • Page 43 Pin No. Mark Function Motor driver (4) reverse- action output Motor driver (4) forward- action output N.C. PGND2 - Ground connection (2) for driver PVCC2 I Power supply (2) for driver N.C. Power supply terminal VREF Reference voltage input Motor driver (4) input Motor driver (3) input RSTIN Reset terminal...
  • Page 44 Pin No. Mark Function SUBQ CD subcode data input (INV) RDS_CL RDS clock input RDS_DA RDS data input CNVSS Flash mode terminal (connect to ground) /RESET RESET input XCOUT 32.768 kHz sub clock XCIN 32.768 kHz sub clock Ground (0V) 4.19 MHz main clock XOUT 4.19 MHz main clock...
  • Page 45 Pin No. Mark Function SP_B Speana control output B SP_C Speana control output C SWFK_LED - Super woofer LED 45-63 SEG1- Segment drive output SEG19 (Anode drive output) 64-72 SEG20- Segment drive output 28 SEG 9- (Anode drive output) For regional setting/ function selection use 73-75 SEG29-31 O...
  • Page 46 15. Block Diagram 16. Schematic Diagram (All schematic diagrams may be modified at any time with the development of the new technology) Note: S701 : Switch Reset S900 : Switch CD Manager S901 : Switch CD 1 S902 : Switch CD 2 S903 : Switch CD 3 S904...
  • Page 47 : Switch Tune Mode S913 : Switch Tune Up S920 : Switch CD Eject S940 : Switch AUX S941 : Switch Tuner S942 : Switch Tape S943 : Switch CD S944 : Switch 3D AI EQ S945 : Switch Super Sound EQ S950 : Switch Deck 2 Open S951...
  • Page 48 : Switch EQ Left S955 : Switch EQ Up S956 : Switch Power S958 : Switch Play/Rec Timer S959 : Switch Clock/Timer S960 : Switch RDS S961 : Switch Display/Demo S962 : Switch Deck 1 S971 : Switch Mode S972 : Switch Half S973 : Switch Cr02...
  • Page 49 : CD Offset Detect switch : Switch Spindle Bottom Position Detect SW600 : Switch Joy Jog VR900 : Control Volume - The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter (high impedance) and oscilloscope on the basis of chassis.
  • Page 50 17. Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology. 18. Wiring Connection Diagram...
  • Page 51 19. Troubleshooting Guide...
  • Page 52 20. Parts Location and Replacement Parts List Notes:...
  • Page 53 - Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used. When replacing any of these components, be sure to use only manufacturer’s specified parts shown in the parts list.
  • Page 54 Ar : Arabic Du : Dutch It : Italian Sp : Spanish Cf : Canadian French En : English Ko : Korean Sw : Swedish Cz : Czech Fr : French Po : Polish Co : Traditional Chinese Da : Danish Ge : German...
  • Page 55 20.1.2. Deck Mechanism Parts List...
  • Page 56 Ref. No. Part No. Part Name & Description Remarks CASSETTE DECK RED0050 R/P HEAD BLOCK UNIT 101-1 RHE5152ZB SCREW RED0051 P/B HEAD BLOCK UNIT 102-1 RHE5152ZB SCREW RDG0300 REEL BASE GEAR RDG0301 WINDING RELAY GEAR RDK0026 MAIN GEAR RDR0029 RELAY PULLEY RDV0033-4 WINDING BELT RDV0034-1...
  • Page 58 20.2.2. CD Loading Mechanism Parts List...
  • Page 59 Ref. No. Part No. Part Name & Description Remarks TRAVERSE DECK RML0517 TIMING LEVER RML0516 PLUNGER LEVER RMB0551 UPPER SPINDLE SPRING RMQ0744 LOWER HOOK RDV0056 BELT RML0525 FRONT LOCK LEVER RML0526 DISC LEVER RDG0424 DRIVE GEAR RDG0425 CHANGE GEAR RDG0427 TRAVERSE CAM GEAR RDG0428 TRAVERSE RELAY GEAR...
  • Page 60 Ref. No. Part No. Part Name & Description Remarks RDG0431 RELAY GEAR ‘B’ RME0262 DISK LEVER SP. RMA1105 SUPPORT PLATE RAE0152Z-3 TRAVERSE 358-1 SHGD113-1 FLOATING CUSHION 358-2 SNSD38 TRAVERSE MOTOR ASS’Y 358-3 RAF0150A-4S 50A OPTICAL PICKUP 358-4 RDG0247 DRIVE GEAR 358-5 RDG0248 RELAY GEAR...
  • Page 63 20.3.2. Cabinet Parts List...
  • Page 64 Ref. No. Part No. Part Name & Description Remarks CABINET AND CHASSIS REEX0129 14P FFC REEX0101 28P FFC REEX0127 20P FFC REEX0130 19P FFC RGB0113-N PANA BADGE (HOOK TYP RGKX0070-S CD LID RGKX0071A-SB CD ORNAMENT RGLX0028-Q POWER LIGHTING CHIP RGLX0030-Q DISC LIGHT CHIP RGPX0038L-SL FRONT PANEL RGRX0017D-AB REAR PANEL...
  • Page 65 Ref. No. Part No. Part Name & Description Remarks XTB3+10J SCREW XTB3+10JFZ SCREW XTB3+20J SCREW XTBS26+10J SCREW XTBS3+8JFZ1 SCREW XTW3+15T SCREW XTW3+8T SCREW RGUX0376Z-S 3D AI BUTTON RMCX0020 REGULATOR IC CLIP RGUX0380Z-S KARAOKE BUTTON 20.4. Component Parts List Ref. No. Part No.
  • Page 66 Ref. No. Part No. Part Name & Description Remarks IC971 0N2180RLC1 IC PHOTO INTERRUPTER IC990 LC72721NMTLM IC RDS IC1001 AN7348STA-E1 IC TAPE PB IC1002 BU2090AF-E2 IC I/O EXPANDER IC1003 BA4558FE2 IC BUFFER AMP IC1004 BA7755A IC R/P SELECT TRANSISTORS RVTDTC143EST TRANSISTOR Q101 2SC2058SPTA...
  • Page 67 Ref. No. Part No. Part Name & Description Remarks Q1005 2SD2144STA TRANSISTOR Q1006 KRC114STA TRANSISTOR Q1007 KTC3875GRTA TRANSISTOR Q1008 KTC3875GRTA TRANSISTOR Q1009 KTC3875GRTA TRANSISTOR Q1010 KTC3875GRTA TRANSISTOR Q1011 KTC3875GRTA TRANSISTOR Q1012 KTD1304TA TRANSISTOR Q1013 KTD1304TA TRANSISTOR Q1014 2SC2412KT96R TRANSISTOR Q1015 2SC2412KT96R TRANSISTOR Q1016...
  • Page 68 Ref. No. Part No. Part Name & Description Remarks D515 1N5402BM21 DIODE D516 1N5402BM21 DIODE D517 1N5402BM21 DIODE D518 1N5402BM21 DIODE D519 MTZJ20BTA DIODE D520 MTZJ20BTA DIODE D521 MTZJ20BTA DIODE D522 MTZJ20BTA DIODE D570 1T3T DIODE D571 1T3T DIODE D572 1T3T DIODE D573...
  • Page 69 Ref. No. Part No. Part Name & Description Remarks D951 MA165TA DIODE D971 MA165TA DIODE D990 MTZJ5R1BTA DIODE D999 SLR325DCT31 DIODE D1002 1SS355TE17 DIODE D1003 1SS355TE17 DIODE D1004 UDZTE173R6B DIODE VARIABLE RESISTORS VR900 EVEKE2F2524B VR VOLUME SWITCHES S701 RSH1A043-U SW RESET S900 EVQ21405R SW CD MANAGER...
  • Page 70 Ref. No. Part No. Part Name & Description Remarks S974 RSH1A019-2U SW RECINH_R S975 RSH1A019-2U SW RECINH_F SWITCHES RSH1A032-U SW PUSH RSH1A032-U SW PUSH RSH1A005-1U RSH1A91ZA-A SW CD RSP1A017-A SW LOCK SW600 ESE24SV2 SW JOY JOG CONNECTORS RJS1A9414 FF CONNECTOR CN300 RJU057G12 12P P2 MQ CONNECTOR...
  • Page 71 Ref. No. Part No. Part Name & Description Remarks L921 RLQB101JTD-D INDUCTOR L922 ELEXT100KA04 AXIAL COIL L990 RLQB101JTD-D INDUCTOR L991 RLQB101JTD-D INDUCTOR L1001 RLQB470JTD-D RF CHOKE COIL L1002 7L1A62N BIAS OSC COIL T501 RTP2N3B013 MAIN TRANS T502 RTP1H3E002 BACK UP TRANSFORMER COMPONENT COMBINATIO Z101 RLA2Z007-T...
  • Page 72 Ref. No. Part No. Part Name & Description Remarks HOLDERS H500 RJS1A5513 13P WIRE HOLDER H600 RMR0317 8P CABLE HOLDER H601 RMR0315 6P CABLE HOLDER H920A RMR0315 6P CABLE HOLDER H920B RMR0315 6P CABLE HOLDER H940A RMR0318 9P CABLE HOLDER H940B RMR0318 9P CABLE HOLDER...
  • Page 73 R111 ERJ3GEYJ391V 390 1/16W...
  • Page 74 Ref. No. Part No. Part Name & Description Remarks R112 ERJ3GEYJ104V 100K 1/16W R113 ERJ3GEYJ103V 10K 1/16W R114 ERJ3GEYJ562V 5.6K 1/16W R115 ERJ3GEYJ561V 560 1/16W R116 ERJ3GEYJ102V 1K 1/16W R117 ERJ3GEYJ683V 68K 1/16W R118 ERJ3GEYJ332V 3.3K 1/16W R119 ERJ3GEYJ123V 12K 1/16W R120 ERJ3GEYJ473V 47K 1/16W...
  • Page 75 Ref. No. Part No. Part Name & Description Remarks R227 ERJ3GEY0R00V 0 1/16W R233 ERJ3GEYJ332V 3.3K 1/16W R248 ERJ3GEYJ121V 120 1/16W R249 ERJ3GEYJ121V 120 1/16W R250 ERJ3GEYJ121V 120 1/16W R251 ERJ3GEYJ121V 120 1/16W R253 ERJ3GEYJ223V 22K 1/16W R300 ERJ3GEYJ472V 4.7K 1/16W R301 ERJ3GEYJ104V 100K 1/16W...
  • Page 76 Ref. No. Part No. Part Name & Description Remarks R360 ERJ3GEYJ104V 100K 1/16W R361 ERJ3GEYJ104V 100K 1/16W R367 ERJ3GEYJ103V 10K 1/16W R371 ERJ3GEYJ472V 4.7K 1/16W R372 ERJ3GEYJ103V 10K 1/16W R373 ERJ3GEYJ153V 15K 1/16W R374 ERJ3GEYJ822V 8.2K 1/16W R375 ERJ3GEYJ822V 8.2K 1/16W R376 ERJ3GEYJ123V 12K 1/16W...
  • Page 77 Ref. No. Part No. Part Name & Description Remarks R514 ERDS2TJ563T 56K 1/4W R515 ERDS2TJ472T 4.7K 1/4W R516 ERD25FVJ331T 330 1/4W R517 ERDS2TJ472T 4.7K 1/4W R518 ERDS2TJ474T 470K 1/4W R519 ERD2FCVJ4R7T 4.7 1/4W R520 ERD2FCVJ4R7T 4.7 1/4W R521 ERDS2TJ151T 150 1/4W R522 ERDS2TJ224T 220K 1/4W...
  • Page 78 Ref. No. Part No. Part Name & Description Remarks R614 ERDS2TJ104T 100K 1/4W R615 ERDS2TJ104T 100K 1/4W R616 ERDS2TJ104T 100K 1/4W R617 ERDS2TJ104T 100K 1/4W R618 ERDS2TJ104T 100K 1/4W R619 ERDS2TJ104T 100K 1/4W R620 ERDS2TJ104T 100K 1/4W R621 ERDS2TJ104T 100K 1/4W R622 ERDS2TJ104T 100K 1/4W...
  • Page 79 Ref. No. Part No. Part Name & Description Remarks R669 ERDS2TJ562T 5.6K 1/4W R670 ERDS2TJ104T 100K 1/4W R671 ERDS2TJ104T 100K 1/4W R672 ERDS2TJ104T 100K 1/4W R673 ERDS2TJ223T 22K 1/4W R674 ERDS2TJ102T 1K 1/4W R675 ERDS2TJ472T 4.7K 1/4W R676 ERDS2TJ472T 4.7K 1/4W R677 ERDS2TJ681T 680 1/4W...
  • Page 80 Ref. No. Part No. Part Name & Description Remarks R742 ERJ6GEYJ224V 220K 1/10W R744 ERJ3GEYJ124V 120K 1/16W R749 ERJ3GEYJ472V 4.7K 1/16W R750 ERJ6GEYJ4R7V 4.7 1/10W R753 ERJ3GEYJ100V 10 1/16W R900 ERDS2TJ223T 22K 1/4W R901 ERDS2TJ102T 1K 1/4W R902 ERDS2TJ102T 1K 1/4W R903 ERDS2TJ122T 1.2K 1/4W...
  • Page 81 Ref. No. Part No. Part Name & Description Remarks R992 ERDS2TJ102T 1K 1/4W R993 ERDS2TJ102T 1K 1/4W R994 ERDS2TJ121T 120 1/4W R995 ERDS2TJ102T 1K 1/4W R996 ERDS2TJ103T 10K 1/4W R997 ERDS2TJ471T 470 1/4W R998 ERDS2TJ122T 1.2K 1/4W R999 ERDS2TJ102T 1K 1/4W R1001 ERJ3GEYJ1R0V 1 1/16W...
  • Page 82 Ref. No. Part No. Part Name & Description Remarks R1057 ERJ3GEYJ222V 2.2K 1/16W R1058 ERJ3GEYJ272V 2.7K 1/16W R1059 ERJ3GEYJ103V 10K 1/16W R1060 ERJ3GEYJ391V 390 1/16W R1061 ERJ3GEYJ2R7V 2.7 1/16W R1062 ERJ3GEYJ2R7V 2.7 1/16W R1063 ERJ3GEYJ102V 1K 1/16W R1064 ERJ3GEYJ102V 1K 1/16W R1065 ERJ3GEYJ102V 1K 1/16W...
  • Page 83 Ref. No. Part No. Part Name & Description Remarks C107 ECUV1E473ZFV 0.047 25V C108 ECUV1H080DCV 8P 50V C109 ECUV1H102KBV 1000P 50V C110 ECUV1E103KBV 0.01 25V C111 ECEA1HKA4R7B 4.7 50V C112 ECUV1E103KBV 0.01 25V C113 ECUV1H102KBV 1000P 50V C114 ECEA1HKA3R3B 3.3 50V C115 ECEA1HKA4R7B 4.7 50V...
  • Page 84 Ref. No. Part No. Part Name & Description Remarks C237 ECUV1H102KBV 1000P 50V C238 ECEA1CKA470B 47 16V C300 ECUV1E103KBV 0.01 25V C301 ECUV1H102KBV 1000P 50V C302 ECUV1E103KBV 0.01 25V C303 ECEA1CKA100B 10 16V C304 ECUV1C473KBV 0.047 16V C305 ECUV1H472KBV 4700P 50V C306 ECEA1HKAR33B 0.33 50V...
  • Page 85 Ref. No. Part No. Part Name & Description Remarks C353 ECUV1C104KBV 0.1 16V C354 ECEA1AM221B 220 10V C355 ECEA1CKA100B 10 16V C356 ECQV1H224JL3 0.22 50V C357 ECEA1CKA100B 10 16V C358 ECEA2AM100B 10 100V C359 ECKR1H103ZF5 0.01 50V C360 ECEA1JM101B 100 63V C362 ECEA1HKA2R2B 2.2 50V...
  • Page 86 Ref. No. Part No. Part Name & Description Remarks C521 ECQE2104KF3 0.1 250V C522 ECQE2104KF3 0.1 250V C524 ECBT1H473KB5 0.047 50V C526 ECBT1H473KB5 0.047 50V C528 ECBT1H473KB5 0.047 50V C530 ECBT1H473KB5 0.047 50V C531 RCEA1V332B-S 3300P 35V C532 RCE1VFW562BJ 5600P 50V5 C533 RCE1VFW562BJ 5600P 50V5...
  • Page 87 Ref. No. Part No. Part Name & Description Remarks C629 ECBT1H561KB5 560P 50V C630 ECBT1H561KB5 560P 50V C631 ECBT1E103ZF5 0.01 25V C632 ECBT1H561KB5 560P 50V C633 ECBT1H101KB5 100P 50V C634 ECEA1VKA220B 22 35V C636 ECBT1H561KB5 560P 50V C637 ECBT1H561KB5 560P 50V C638 ECBT1H561KB5 560P 50V...
  • Page 88 Ref. No. Part No. Part Name & Description Remarks C731 ECEA0JKA221I 220 6.3V C732 ECEA0JKA221I 220 6.3V C733 ECUV1C104KBV 0.1 16V C734 ECEA1AKA221I 220 10V C735 ECUZ1E104ZFN 0.1 25V C736 ECUV1C104ZFV 0.1 16V C737 ECUV1C104ZFV 0.1 16V C738 ECUV1H103KBN 0.01 50V C739 ECUV1H152KBV 1500P 50V...
  • Page 89 Ref. No. Part No. Part Name & Description Remarks C1022 ECUV1H102KBV 1000P 50V C1023 ECUV1H102KBV 1000P 50V C1026 ECEA0JKA470B 47 6.3V C1027 ECUV1H102KBV 1000P 50V C1030 ECEA1AKA101B 100 10V C1031 ECEA1AKA101B 100 10V C1032 ECFR1C183KR 0.018 16V C1033 ECFR1C183KR 0.018 16V C1034 ECEA1HKA3R3B 3.3 50V...
  • Page 90 Ref. No. Part No. Part Name & Description Remarks RJ725 ERJ3GEY0R00V 0 1/16W RJ726 ERJ3GEY0R00V 0 1/16W RJ727 ERJ3GEY0R00V 0 1/16W RJ728 ERJ3GEY0R00V 0 1/16W RJ729 ERJ3GEY0R00V 0 1/16W RJ730 ERJ3GEY0R00V 0 1/16W RJ731 ERJ3GEY0R00V 0 1/16W RJ732 ERJ3GEY0R00V 0 1/16W RJ733 ERJ3GEY0R00V 0 1/16W...
  • Page 91 Printed in Singapore / P010400001 D/H/K/J/N/L/PRT...
  • Page 92 CD LOADING P.C.B (REP2578A-N) 1 2 3 4 5 6 7 8 9 10 2 3 4 CD DETACT P.C.B SPINDLE POSITION P.C.B (REP2578A-N) (REP2578A-N) 1 2 3 4...
  • Page 93 STK470-090 (18P) RSN309W44B M38B79MFA158 (100P) TA7291P BU2090AF-E2 (16P) BH3874AKS2 (64P) LA1833NMNTLM (24P) MN662790RSC (80P) LC72131MDTRM (20P) AN7348STA-E1 (24P) BA4558FE2 (8P) AN8885SBE1 (28P) TC4052BFNELM (16P) 0N2180RLC1 M5218AP KIA4558FEL 2SC2058SPTA AN8739SBE2 BA7755A 93LC46B KBP152G4R5 2SD1859QRTV2 KTA12710YTA 2SA1037AKSTX 2SB1238QRTV2 KTD1146YTA 2SC2412KT96R 2SB621ARSTA KTC3875GRTA KRC101MTA KRC111STA KTA1504GRTA...
  • Page 94 OPTICAL PICKUP IC701 AN8885SBE1 SERVO AMP SEMICONDUCTOR LASER OFTR TENV DET. Q701 LASER POWER DRIVE OFTR OFTR DET. LDON /RFDET /RFDET DET. PHOTO DETECTOR FEOUT Subtracter VCBA VREF Subtracter VCBA N.C. TRACKING FOCUS COIL COIL TX 6 SYNDROME DIGITAL AUDIO CALCULATION INTERFACE PHASE...
  • Page 95 AM ANT FM ANT Z101 Z120 (FM) CF202 CF201 Q101,Q102 COIL COIL MIXER IF AMP RF AMP BUFFER Q110 SWITCH (FM) DECODER RM AMP BUFFER PILOT PHASE CANCEL STEREO LEVEL S-CURVE SWITCH AM/FM COMP BUFFER TUNING DRIVE PILOT Z102 IC101 X102 LA1833NMNTLM FM/AM IF AMP,...
  • Page 96 TA7291P MOTOR DRIVE Vs 8 OUT1 OUT2 POWER SUPPLY CONTROL Q604 STATUS SWITCH Q605 SUBQ SWITCH D614 ST/DO Q350 Q606 SWITCH BLKCK (PLUNGER SWITCH SUPPLY) /CDRST Q351 RESTSW SWITCH (PLUNGER SUPPLY) D619 D615 CE/MLD MLD/PLLCE D616 DI/MDATA MDATA/PLLDA D617 CL/MCLK MICROPROCESSOR M38B79MFA158 IC600...
  • Page 97 IC1001 AN7348STA-E1 P.B. EQ /TPS AMP Q1012(Q1013) REC AMP/ALC (DECK 1) IC1003 P.B. HEAD LCH MUTING 24(23) BA4558FE2 1(2) 20(5) BUFFER 22(3) Q1014 (Q1015) (DECK 2) 21(4) Q1024 R/P HEAD LCH BUFFER 17(8) DRIVE 18(7) LOGIC L/H NOR/CrO & HI/LO LOGIC Q1020 RIPPLE LOGIC...
  • Page 98 FILTER FILTER 23~27 (10) (13) (14) IC302 M5218AP Q400(Q200) (31) BUFFER MUTING OUTL(R) SWITCH 45(46) INLC(R) Q300 MUTING IC301 SWITCH BH3874AKS2 ASP IC Q309,Q310 51(52) RECL(R) MUTING SWITCH 43(44) INLB(R) 47(48) IC304 INLD(R) JK305 BA4558FE2 D572,D573 DUAL 41(42) CD SIGNAL OP AMP INLA(R) FROM CD UNIT...
  • Page 99 SIGNAL LINES MAIN SIGNAL LINE CD SIGNAL LINE AM SIGNAL LINE PLAYBACK SIGNAL LINE H_OUT_L(R) FM OSC SIGNAL LINE AM OSC SIGNAL LINE FM & AM SIGNALS LINE RECORDING SIGNAL LINE AUX SIGNAL LINE FM SIGNAL LINE HP_L(R) IC500 RSN309W44B POWER (HIC) Q504 REGULATOR...
  • Page 100 SCHEMATIC DIAGRAM - 9 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE DECK CIRCUIT R1055 2.2K C1038 R1098 220P R1017 8.2K CS1001 R1095 100K R1032 R1015 HEAD C1015 C1012 C1034 1000P R1039 1000P 50V3.3 C1019...
  • Page 101 SCHEMATIC DIAGRAM - 10 : +B SIGNAL LINE : -B SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE MAIN CIRCUIT (CN304) ON SCHEMATIC DIAGRAM-4 DECK CIRCUIT H1001/W1001 10 9 R1072 R1077 R1074 C1057 C1058 C1060 50V3.3 R1069 4700P 6.8K C1054 R1067...
  • Page 102 DECK P.C.B. (REPX0198B) J1046 C1062 R1096 J1072 C1059 H1001/W1001 R1092 C1061 R1091 R1095 R1094 R1093 J1062 J1051 W1002 J1015 R1062 J1071 J1028 J1059 J1080 J1016 J1060 J1069 R1064 R1063 R1020 R1024 R1027 J1017 J1075 J1068 J1067 J1052 J1047 J1021 J1022 C1057 D1002 J1048...
  • Page 103 MAIN / TUNER P.C.B. (REPX0232B) AM LOOP FM LOOP ANTENNA ANTENNA 75 OHMS LOOP C309 R402 JK101 C402 C374 J131 L101 C202 R401 C107 R112 JK300 R202 J260 JK305 Z120 TUNER PACK J259 J100 J258 C437 C429 R422 C427 R425 Z101 J257 C438...
  • Page 104 MECHANISM (DECK1) P.C.B (REPX0108) S953 CR02 CS951 S952 HALF S951 MODE D951 IC951 SOLENOID MECHANISM (DECK2) P.C.B (REPX0108A) S973 CR02 Z971 CS971 1 2 3 4 5 6 7 8 9 S972 S971 HALF MODE S974 S975 D971 IC971 SOLENOID...
  • Page 105 PANEL P.C.B. (REPX0254A) S951 D611 S.WOOFER Q699 R651 D697 J983 R997 R620 J695 D698 R996 R614 R619 R621 D692 D699 R615 R613 R618 R622 J999 D696 D690 J610 R612 R616 R617 R955 J997 J611 R611 J612 R693 J690 J987 L605 J996 J900 J671...
  • Page 106 HEADPHONE P.C.B. (REPX0254A) HEADPHONES H920B/W920 1 2 3 4 5 6 D605 J600 J955 J602 FL600 R620 J604 R619 R621 H940A/W940 C921 R618 R622 S956 1 2 3 4 5 6 7 8 9 R920 J610 R617 C920 R647 J690 R693 IC602 J671...
  • Page 107 POWER P.C.B. (REPX0233C) HIGH-CHANNEL LOW-CHANNEL SPEAKERS SPEAKERS J508 J513 C550 C526 C530 C552 C553 C551 J524 J529 R535 R537 J541 C524 C528 R534 C500 J534 J540 J520 R502 CP501 E500 J547 R516 C505 D508 C508 R510 R519 R512 Q502 C512 Q504 R523 R524...
  • Page 108 CD SERVO P.C.B (REPX0192D) (RF) TP20 X701 TJ701 TP23 C717 R714 TP19 TP21 TP29 C716 C721 R709 C744 TP24 C722 R712 TP18 C723 C724 R742 C725 TP25 IC701 TP26 TP27 C731 C753 TP22 C754 C711 J702 C718 C712 IC702 C713 J712 R705 C747...
  • Page 109 TACT SWITCH (2) P.C.B. TACT SWITCH (1) P.C.B. (REPX0254A) (REPX0254A) VOLUME CP900 R949 R948 R918 R917 R947 R942 R912 R916 R946 R915 R914 J956 C941 C940...
  • Page 110 AC TRANSFORMER P.C.B. (REPX0234D...E/EG) (REPX0234C...EB) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B T501 (POWER TRANSFORMER) RL502 D574 J582 R570 R572 R578 R571 D571 Q572 R574 R583 R573 C575 D577 Q571 CN501 C577 CN502 J571 R576 J570...
  • Page 111 SCHEMATIC DIAGRAM -1 : +B SIGNAL LINE : CD SIGNAL LINE CD SERVO CIRCUIT R701 OPTICAL PICKUP CIRCUIT Q701 C701 2SA1037AKSTX 6.3V33 3.2V C703 LASER POWER DRIVE LASER DIODE 6.3V100 Q701 CN701 2.7V ((2.3V)) 0.9V ((2V)) C704 R750 LD GND NBOUT C707 C714...
  • Page 112 SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : CD SIGNAL LINE CD SERVO CIRCUIT R717 C727 50V1 C725 1000P R721 C726 1000P R718 C728 50V1 C731 6.3V220 CN702 C730 C733 LCH OUT C732 6.3V220 A.GND C754 470P RCH OUT C753 470P +3.3V...
  • Page 113 SCHEMATIC DIAGRAM - 3 : +B SIGNAL LINE : AM SIGNAL LINE : FM SIGNAL LINE : AM OSC SIGNAL LINE : FM OSC SIGNAL LINE : FM/AM SIGNAL LINE TUNER CIRCUIT Q106 Q101 Q102 Q106 2SC2058SPTA 2SC2058SPTA KRA102MTA R104 POWER SUPPLY CONTROL FM IF AMP FM IF AMP...
  • Page 114 SCHEMATIC DIAGRAM - 4 : +B SIGNAL LINE : MAIN SIGNAL LINE : FM/AM SIGNAL LINE : RECORD SIGNAL LINE : CD SIGNAL LINE PANEL CIRCUIT (CP605) ON SCHEMATIC DIAGRAM-8 MAIN CIRCUIT CN303 20 19 18 17 16 15 14 13 12 11 10 28 27 26 25 R211 C382...
  • Page 115 SCHEMATIC DIAGRAM - 5 : -B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT (CP607) ON SCHEMATIC MAIN CIRCUIT DIAGRAM-8 CN302 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 C375 1000P C228...
  • Page 116 SCHEMATIC DIAGRAM - 6 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE MAIN CIRCUIT (-29.86V)<-29.85V> (-44.1V)<-43.8V> -29.89V((-29.84V)) -43.9V((-42.9V)) RL1N4003S-P [-29.94V] [-44.2V] R332 D313 R331 C359 (-30.45V) 4.7K 0.01 <-30.48V> Q308 C360 -30.5V 63V100 ((-30.44V)) 2SB621ARSTA [-30.55V] CN301 REGULATOR R330...
  • Page 117 SCHEMATIC DIAGRAM - 7 : +B SIGNAL LINE : MAIN SIGNAL LINE PANEL CIRCUIT FL600 RSL0310-F C600 35V22 TACT SWITCH (1) CIRCUIT IC602 Z940 BU2090AF-E2 RCD37142TC5 REMOTE IO EXP 2 CONTROL SENSOR <0.13V> <0.45V> (0.45V) (0.13V) ((0.15))0.13V ((0.47))0.45V <7.37V> <0.13V> (0.13V) (7.38V) ((7.36))7.36V...
  • Page 118 SCHEMATIC DIAGRAM - 8 DECK CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE (CN1001) ON : -B SIGNAL LINE : CD SIGNAL LINE SCHEMATIC DIAGRAM-10 PANEL CIRCUIT H600 Q603 2SA933SSTA SWITCH DECK +6V SUPPLY C634 R651 R652 35V22 D613 L605 MA4020LTA RLQB101JTD-D...
  • Page 119 AK44E SCHEMATIC DIAGRAM -12 : +B SIGNAL LINE : -B SIGNAL LINE AC TRANSFORMER CIRCUIT R570 R571 R572 D570 D571 1T3T 1T3T D575 D572 (5.92V) <5.96V> 5.96V ((5.94V))[5.97V] 1T3T 1T3T (9.19V) <9.06V> R574 Q570 8.86V ((8.22V)) C571 2.2K [9.27V] 0.01 C572 (6.58V) <6.58V>...
  • Page 120 SCHEMATIC DIAGRAM - 11 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE POWER CIRCUIT IC500 IC500 RSN309W44B DISP -VCC +VCC +VCC -VCC L IN R IN -CIN +CIN RELAY HMUT +COUT -COUT AC IN R OUT L OUT SENS SENS...

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