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MDX-C8500R/C8500X
SERVICE MANUAL
Ver 1.1 2001.05
AUDIO POWER SPECIFICATIONS (MDX-C8500X)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
19 watts per channel minimum continuous average power into 4ohms, 4
channels driven from 10 Hz to 20 kHz with no more than 1% total harmonic
distortion.
Other specifications
Disc player section
MD player
Signal-to-noise ratio
90 dB
Frequency response
10 – 20,000 Hz
Wow and flutter
Below measurable limit
Laser Diode Properties
Material
GaAlAs
Wavelength
780 nm
Emission Duration
Continuous
Laser output power
Less than 44.6 W*
* This output is the value measured at a distance
of 200 mm from the objective lens surface on
the Optical Pick-up Block.
Tuner section
FM
Tuning range
87.5 – 107.9 MHz
87.5 – 108.0 MHz
Antenna terminal
External antenna connector
Intermediate frequency
10.7 MHz/450 kHz
Usable sensitivity
8 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
66 dB (stereo),
72 dB (mono)
Harmonic distortion at 1 kHz
0.6 % (stereo),
0.3 % (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
Sony Corporation
9-870-096-12
2001E0500-1
e Vehicle Company
C 2001.5
Shinagawa Tec Service Manual Production Group
Photo: MDX-C8500X
SPECIFICATIONS
(MDX-C8500X)
(MDX-C8500R)
FM/AM(MW/LW) MINIDISC PLAYER
Model Name Using Similar Mechanism
Base Mechanism Type
Optical Pick-up Name
AM (MDX-C8500X)
Tuning range
530 – 1,710 kHz
Antenna terminal
External antenna connector
Intermediate frequency
10.7 MHz/450 kHz
30 µV
Sensitivity
(MDX-C8500R)
Power amplifier section
Outputs
Speaker outputs
(sure seal connectors)
Speaker impedance
4 – 8 ohms
Maximum power output 50 W × 4 (at 4 ohms)
US Model
MDX-C8500X
AEP Model
UK Model
MDX-C8500R
NEW
MG-164NV-138
KMS-241C/J1NP
– Continued on next page –

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  • Page 1 MDX-C8500R/C8500X SERVICE MANUAL US Model MDX-C8500X Ver 1.1 2001.05 AEP Model UK Model MDX-C8500R Photo: MDX-C8500X Model Name Using Similar Mechanism Base Mechanism Type MG-164NV-138 Optical Pick-up Name KMS-241C/J1NP SPECIFICATIONS AUDIO POWER SPECIFICATIONS (MDX-C8500X) POWER OUTPUT AND TOTAL HARMONIC DISTORTION...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS General Outputs Audio outputs Power antenna relay SERVICING NOTES ..........3 control lead Power amplifier control lead GENERAL Telephone ATT control Location of Controls ............4 lead Setting the Clock ............. 4 Power requirements 12 V DC car battery (negative ground) Installation ...............
  • Page 3: Servicing Notes

    LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.
  • Page 4: Location Of Controls

    After the clock setting is completed, the display returns to normal playback mode. You can set the clock automatically with the RDS feature (see page 24). (MDX-C8500R) Note In the initial setting, the clock indication appears while the unit is turned off.
  • Page 9 (MDX-C8500R)
  • Page 10 (MDX-C8500X) Connection example RCA pin cord (not supplied) Cordon à broche RCA (non fourni) Exemple de connection Cable con pines RCA (no suministrado) Ejemplo de conexiones Source selector (not supplied) Supplied to the CD/MD changer Sélecteur de source (non fourni) Fourni avec le changeur de CD/MD Suministrado con el cambiador de CD/MD Selector de fuente...
  • Page 11: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. SUB PANEL ASS’Y 1 screw (PTT2.6 × 6) 2 cover 4 two claws 6 sub panel ass’y 3 screw (PTT2.6 × 8) 4 claw 3 two screws (PTT2.6 ×...
  • Page 12: Main Board

    SERVO BOARD 2 two screws (BVTT2 × 4) 2 two screws (BVTT2 × 4) 3 servo board 1 sensor flexible board (CN102) 1 flexible board (CN103) MAIN BOARD 4 cord (with connector) (sub out) 5 two screws (PTT2.6 × 10) 3 screw (PTT2.6 ×...
  • Page 13 MD COVER ASS’Y 1 four screws (B2 × 3) 3 MD cover ass’y shaft (MD cover guide) cassette holder 2 Pushing the Cassette Holder in the direction of arrow A with a screwdriver, etc., disengage the Shaft (MD Cover Guide) from the slot in the MD Cover Assy.
  • Page 14 FLOAT BLOCK 3 Pushing arrow A part, raise the float block up ward at the front to release a lock. 1 tension spring (float B) float block lever (lock R) lever (lock L) 1 tension spring (float B) 2 two tension springs (float F) LO MOTOR ASS’Y (LOADING) (M903) 4 Remove the bracket (LO) in the direction of arrow A.
  • Page 15 LEVER (LE) ASS’Y 2 stopper washer 2 lever (LE) ass’y 3 roller (gear E) HOLDER ASS’Y 4 Remove the holder ass’y in the direction of the arrow. 2 type-E stopring 1.5 1 spring (chucking) 2 type-E stopring 1.5 2 type-E stopring 1.5 3 lever (lock R) 3 lever (lock L) 1 spring (chucking)
  • Page 16 CHUCKING ARM ASS’Y 1 Remove the chucking arm ass’y in the direction of the arrow. holder ass’y OPTICAL PICK-UP (KMS-241C/J1NP) 4 screw (B2 × 3) 6 bearing (SL) 5 feed screw ass’y 7 optical pick-up (KMS-241C/J1NP) 3 screw (K2 × 3) 1 two screws (K2 ×...
  • Page 17 SL MOTOR ASS’Y (SLED) (M902), SP MOTOR ASS’Y (SPINDLE) (M901) 4 screw (P1.7 × 1.8) 9 two screws (P1.7 × 1.8) 5 bracket (SL) 2 two screws (2 × 8) 6 SL motor ass’y (sled) (M902) 0 bracket (SP) 7 screw 3 sensor board (B2 ×...
  • Page 18: Electrical Adjustments

    SECTION 4 ELECTRICAL ADJUSTMENTS TEST MODE This set have the test mode function. <Set the Test Mode> 1. Turn ON the regulated power supply. (The clock is displayed) [OFF] Note: Press the button, if the clock is not displayed. 2. Push the preset button.
  • Page 19: Diagrams

    MDX-C8500R/C8500X SECTION 5 DIAGRAMS IC301 (1/2) 5-1. BLOCK DIAGRAM – SERVO Section – • SIGNAL PATH EFMO ADDT : MD PLAY FILI DIGITAL SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, CLTV ATRAC ENCODER/DECODER, 2M BIT D-RAM SAMPLING FILO IC301 (1/2)
  • Page 20: Block Diagram - Tuner Section

    MDX-C8500R/C8500X 5-2. BLOCK DIAGRAM – TUNER Section – B/U +5V TUNER VCC TUNER +5V FM/AM TUNER UNIT TUX201 CN102 (FM/AM ANTENNA) (Page 21) 2 FM-ANT AM-ANT MUTING Q202 AMDET (Page 21) 12 13 MUTING Q205 MUTING CONTROL SWITCH Q206, 207...
  • Page 21: Block Diagram - Main Section

    MDX-C8500R/C8500X 5-3. BLOCK DIAGRAM – MAIN Section – (MDX-C8500R) LEVEL SHIFT CENTER VOLTAGE ELECTRICAL VOLUME IC803 (1/2) GENERATOR IC301 (2/2) DIGITAL SIGNAL PROCESSOR, ANALOG +8V R-CH DADT (FOR BIAS) DIGITAL FILTER, CN302 (2/2) IC809 (2/2) D/A CONVERTER FL-OUT ACINLF OUTLF...
  • Page 22: Block Diagram - Display/key Control Section

    FRONT PANEL SIDE DSPDATA,DSPCKO (Page 21) X105 18.432MHz LCD B+ 61 63 33 MDX-C8500R : LSW901 – 908, LSW910 – 917 LED910 – 915 MDX-C8500X : LSW901 – 908, (LCD BACK LIGHT) LSW912 – 917 LIQUID CRYSTAL DISPLAY DRIVE CONTROLLER...
  • Page 23: Block Diagram - Bus Control/power Supply Section

    86 HSTX POWER CONTROL S101 OSC SWITCH IC302 B+ SWITCH RESET Q101 VCC 2 Q102, 104 F CH 98 D502 D614 SONY BUS INTERFACE FSW IN 65 IC601 DSPON 110 RESET RESET SYSRST D104 D109 SWITCH ACCESSORY ACCIN 81 CHECK...
  • Page 24: Schematic Diagrams

    5-6. NOTES FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: SENSOR board • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 25: Servo Board (component Side)

    • Waveforms – SERVO Board – – MAIN Board – – DSO Board – 1 IC301 qh (OSCI) (MD Play Mode) 6 IC301 uf (TE), IC302 wh (TE) 6 IC302 1 (OUT) qa IC304 7 (MD Play Mode) 1 IC201 4 (OSCO) 1 IC803 3 (MD Play Mode) (MD Play Mode) 5.8 Vp-p...
  • Page 26: Sensor Board

    MDX-C8500R/C8500X 5-7. PRINTED WIRING BOARDS – SERVO Board (Component Side)/SENSOR Board – • See page 24 for Circuit Boards Location. • Semiconductor Location SERVO BOARD (LOADING END) (COMPONENT SIDE) Ref. No. Location M903 IC401 (LOADING) D401 A-12 D501 D-11 D401...
  • Page 27: Servo Board (conductor Side)

    MDX-C8500R/C8500X 5-8. PRINTED WIRING BOARD – SERVO Board (Conductor Side) – • See page 24 for Circuit Boards Location. • Semiconductor Location SERVO BOARD (CONDUCTOR SIDE) Ref. No. Location IC307 R402 R401 Q402 R403 Q403 Q402 B C E C361...
  • Page 28: 5-9. Schematic Diagram - Servo Board (1/2)/sensor Board

    MDX-C8500R/C8500X 5-9. SCHEMATIC DIAGRAM – SERVO Board (1/2)/SENSOR Board – • See page 25 for Waveforms. • See page 42 for IC Block Diagrams. • Voltages and waveforms are dc with respect to ground The components identified by mark 0 or dotted under no-signal conditions.
  • Page 29: Schematic Diagram - Servo Board (2/2)

    MDX-C8500R/C8500X 5-10. SCHEMATIC DIAGRAM – SERVO Board (2/2) – • See page 25 for Waveforms. (Page • Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : MD PLAY ∗ : Impossible to measure...
  • Page 30: Printed Wiring Board - Main Board (component Side)

    MDX-C8500R/C8500X 5-11. PRINTED WIRING BOARD – MAIN Board (Component Side) – • See page 24 for Circuit Boards Location. • Semiconductor Location Ref. No. Location Ref. No. Location D101 IC503 D102 IC504 IC601 D104 D105 IC701 J-10 D106 IC702 H-11...
  • Page 31: Printed Wiring Board - Main Board (conductor Side)

    MDX-C8500R/C8500X 5-12. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – • See page 24 for Circuit Boards Location. • Semiconductor Location Ref. No. Location (FRONT VIEW) D103 D355 D356 (C8500R) RL– D357 GRN/BLK D358 CN101 FL– WHT/BLK D359 FR–...
  • Page 32: Schematic Diagram - Main Board (1/4)

    MDX-C8500R/C8500X 5-13. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • • See page 25 for Waveforms. See page 42 for IC Block Diagrams. (Page 37) (Page (Page 34) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.
  • Page 33: Schematic Diagram - Main Board (2/4)

    MDX-C8500R/C8500X 5-14. SCHEMATIC DIAGRAM – MAIN Board (2/4) – • See page 42 for IC Block Diagrams. (Page (Page 34) • Voltages are dc with respect to ground under no-signal (detuned) conditions. (Page 35) no mark : FM...
  • Page 34: Schematic Diagram - Main Board (3/4)

    MDX-C8500R/C8500X 5-15. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 25 for Waveforms. • See page 42 for IC Block Diagrams. (Page 32) (Page (Page (Page • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.
  • Page 35: Schematic Diagram - Main Board (4/4)

    MDX-C8500R/C8500X 5-16. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 25 for Waveforms. (Page 33) (Page (Page • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...
  • Page 36: Printed Wiring Board - Dso Board

    MDX-C8500R/C8500X 5-17. PRINTED WIRING BOARD – DSO Board – • See page 24 for Circuit Boards Location. (Page 31) • Semiconductor • Semiconductor Location Location (Conductor Side) (Component Side) Ref. No. Location Ref. No. Location D804 D802 IC802 IC801 IC803...
  • Page 37: Schematic Diagram - Dso Board

    MDX-C8500R/C8500X 5-18. SCHEMATIC DIAGRAM – DSO Board – • • See page 25 for Waveforms. See page 42 for IC Block Diagrams. (Page • Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : MD PLAY ∗...
  • Page 38: Printed Wiring Board - Sub Board

    MDX-C8500R/C8500X 5-19. PRINTED WIRING BOARD – SUB Board – • See page 24 for Circuit Boards Location. (Page 31) (Page 40)
  • Page 39: 5-20. Schematic Diagram - Sub Board

    MDX-C8500R/C8500X 5-20. SCHEMATIC DIAGRAM – SUB Board – (Page 41) (Page 35) • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...
  • Page 40: Printed Wiring Board - Key Board

    MDX-C8500R/C8500X 5-21. PRINTED WIRING BOARD – KEY Board – • See page 24 for Circuit Boards Location. • Semiconductor Location (Component Side) Ref. No. Location IC951 LED901 LED902 LED903 LED904 LED910 B-12 LED911 B-12 LED912 A-12 LED913 LED914 LED915 • Semiconductor...
  • Page 41: Schematic Diagram - Key Board

    MDX-C8500R/C8500X 5-22. SCHEMATIC DIAGRAM – KEY Board – • See page 25 for Waveforms. (Page • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...
  • Page 42 • IC Block Diagrams IC302 CXA2523AR – SERVO Board – IC301 CDX2652AR 43 42 USROP – RF AGC 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 –...
  • Page 43 IC303 BH6511FS INTERFACE INTERFACE CHARGE PREDRIVE PREDRIVE PUMP. PREDRIVE PREDRIVE INTERFACE INTERFACE IC305 BA6287F OUT1 OUT2 DRIVER DRIVER VREF CONTROL LOGIC POWER SAVE IC307 MN41V4400TT-08S TIMING TIMING GENERATOR GENERATOR WRITE COLUMN CLOCK DECODERS SELECTOR GENERATOR INTERNAL REFRESH SENSE ADDRESS CONTROL AMPLIFIERS COUNTER CLOCK...
  • Page 44 – MAIN Board – IC201 SAA6588T/V2-118 POWER SUPPLY PAUSE & RESET DETECTOR MULTI PATH 57kHz DETECTOR 8th ORDER BAND-PASS FILTER CLOCKED SIGNAL QUALITY COMPARATOR DECODER CLOCK CLOCK RDS/RDBS RDS/RDBS INTERFACE DATA DEMODULATOR DECODER REGISTER DATA TEST OSCILLATOR IIC BUS SLAVE CONTROL &...
  • Page 45 IC301 TDA7402TR 33 32 31 24 23 MIXER MONO- MONO- MONO- MONO- MONO- MONO- FADER FADER FADER FADER FADER FADER ACINLF FRONT SUBWOOFER SWINR ACIN +PHASE OUTPUT SWINL REAR CONTROL SELECTOR ACOUTR MAIN ACOUTL SECOND CREF VOICE BANDPASS BASS SUPPLY TREBLE HIGH-CUT VOLUME...
  • Page 46 IC601 BA8270F-E2 BUS ON BUS ON SWITCH RESET SWITCH BUS ON CLK IN BATTERY BATT BU IN SWITCH VREF DATA DATA IN DATA OUT – DSO Board – IC805 CXD2726Q-4 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 54 53 52 AVS6 AVD2...
  • Page 47: 5-23. Ic Pin Function Description

    5-23. IC PIN FUNCTION DESCRIPTION • SERVO BOARD IC301 CXD2652AR (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, 2M BIT D-RAM) Pin No. Pin Name Description Focus OK signal output to the MD mechanism controller (IC501) MNT0 “H”...
  • Page 48 Pin No. Pin Name Description Two-way data bus with the D-RAM (IC307) MVCI Digital in PLL oscillation input from the external VCO Not used (fixed at “L”) ASYO Playback EFM full-swing output terminal ASYI I (A) Playback EFM asymmetry comparator voltage input terminal AVDD —...
  • Page 49 Pin No. Pin Name Description FRDR Focus servo drive PWM signal (–) output to the BH6511FS (IC303) Clock signal (176.4 kHz) output terminal (X’tal system) Not used (open) SRDR Sled servo drive PWM signal (–) output to the BH6511FS (IC303) SFDR Sled servo drive PWM signal (+) output to the BH6511FS (IC303) SPRD...
  • Page 50 • SERVO BOARD IC302 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Description I-V converted RF signal I input from the optical pick-up block detector I-V converted RF signal J input from the optical pick-up block detector Middle point voltage (+1.65V) generation output terminal 4 to 9 A to F Signal input from the optical pick-up detector...
  • Page 51 • SERVO BOARD IC501 CXP84340-217Q (MD MECHANISM CONTROLLER) Pin No. Pin Name Description 1 to 5 TIN3 to TIN7 Input of the 4×8 matrix test keys (“L” is always output, except in test mode) Not used (open) LOAD Loading motor control signal output to the motor driver (IC305) “H” active *1 EJECT Loading motor control signal output to the motor driver (IC305) “H”...
  • Page 52 Pin Name Description LINKOFF Unilink on/off control signal output for the SONY bus “L”: link on, “H”: link off Not used UNIREQ Data request signal output terminal (for SONY bus) “H”: request on Not used (open) Serial clock signal input from the master controller (IC502) or serial clock signal output to the...
  • Page 53 Display serial data output to the liquid crystal display driver (IC901) Bus on/off control signal output to the MD mechanism controller (IC501), liquid crystal display BUS-ON drive controller (IC701) and SONY bus interface (IC601) “L”: bus on BEEP Beep sound drive signal output terminal...
  • Page 54 Ground terminal (for analog system) Key input terminal (A/D input) (LSW901 to LSW908, S901 to S904) OFF, SOURCE, SOUND EQ, MENU, PTY DSPL (MDX-C8500R), DSPL (MDX-C8500X), KEYIN0 LIST, ENTER, MODE, SEEK/AMS - . m + > M, DISC/PRST +, PRST/DISC - keys...
  • Page 55 Used for the MDX-C8500R only (MDX-C8500X: Not used open)) CDMD ON CD/MD on/off control signal input from the MD mechanism controller (IC501) Battery detection signal input from the SONY bus interface (IC601) and battery detect circuit BU-IN “L” is input at low voltage...
  • Page 56 Pin No. Pin Name Description Setting terminal for the internal mechanism CD or MD CD MD “L”: CD, “H”: MD (fixed at “H” in this set) Not used (fixed at “L”) Tuner system power supply on/off control signal output terminal TUNON “H”: tuner power on Not used (fixed at “L”)
  • Page 57 • DSO BOARD IC805 CXD2726Q-4 (DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER) Pin No. Pin Name Description VSS1 — Ground terminal (digital system) 2 to 15 Input terminal for the test (fixed at “L”) 16 to 21 TST0 to TST5 Input terminal for the test (fixed at “L”) 22 to 24 JPE1 to JPE3...
  • Page 58 Pin No. Pin Name Description Transfer enable signal output to the master controller (IC502) REDY “L”: transfer prohibition Serial data output to the master controller (IC502) and liquid crystal display drive controller TRDT (IC701) XLAT Serial data latch pulse input from the master controller (IC502) RVDT Serial data input from the master controller (IC502) Serial data 24/32 bit slot selection signal input terminal...
  • Page 59: Exploded Views

    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 may have some difference from the original are seldom required for routine service.
  • Page 60 (2) FRONT PANEL SECTION not supplied (KEY board) LCD901 (C8500R) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-041-010-01 BUTTON (1-6/M) (MODE. 1. 2. 3. 4. 5. 6) X-3378-398-1 PANEL ASSY, FRONT BACK 3-040-987-01 BUTTON (OFF) 3-935-151-01 SPRING (OPEN) 3-040-986-01 BUTTON (MENU/SOUND) 3-040-989-01 BUTTON (OPEN)
  • Page 61 (3) MECHANISM DECK SECTION-1 (MG-164NV-138) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 A-3326-039-A SERVO BOARD, COMPLETE * 110 3-032-712-01 LEVER (LOCK R) * 102 X-3376-799-1 CHASSIS ASSY, MD 3-919-281-01 SPRING (CHUCKING) 3-032-714-02 SPRING (FLOAT F), TENSION * 112 X-3376-800-1 COVER ASSY, MD 3-921-111-01 SPRING (FLOAT B), TENSION...
  • Page 62 (4) MECHANISM DECK SECTION-2 (MG-164NV-138) M903 M901 M902 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-626-617-01 SCREW (2X8)
  • Page 63: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- 0 are critical for safety.
  • Page 64 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB811 1-414-760-21 FERRITE BEAD INDUCTOR CHIP R839 1-216-831-11 METAL CHIP 6.8K 1/16W FB812 1-500-329-21 FERRITE BEAD INDUCTOR CHIP R840 1-216-841-11 METAL CHIP 1/16W R841 1-216-841-11 METAL CHIP 1/16W FB813 1-500-329-21 FERRITE BEAD INDUCTOR CHIP R842...
  • Page 65 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C960 1-163-037-11 CERAMIC CHIP 0.022uF LSW903 1-771-476-11 SWITCH, KEY BOARD (WITH LED) (SOUND EQ) (C8500X) C961 1-164-004-11 CERAMIC CHIP 0.1uF LSW904 1-762-620-21 SWITCH, KEY BOARD (WITH LED) (MENU) C962 1-164-004-11 CERAMIC CHIP 0.1uF...
  • Page 66 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R911 1-208-806-11 RES, CHIP 1/10W R971 1-216-815-11 METAL CHIP 1/16W R912 1-216-647-11 METAL CHIP 0.5% 1/10W R913 1-216-647-11 METAL CHIP 0.5% 1/10W R972 1-216-041-00 METAL CHIP 1/10W R914 1-216-647-11 METAL CHIP 0.5%...
  • Page 67 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C119 1-125-701-11 DOUBLE LAYER 0.047F 5.5V C241 1-164-315-11 CERAMIC CHIP 470PF C120 1-164-360-11 CERAMIC CHIP 0.1uF (C8500R) C121 1-104-942-11 ELECT C242 1-163-809-11 CERAMIC CHIP 0.047uF C122 1-164-156-11 CERAMIC CHIP 0.1uF (C8500R) C123...
  • Page 68 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C339 1-163-235-11 CERAMIC CHIP 22PF C381 1-163-038-00 CERAMIC CHIP 0.1uF (C8500X) C382 1-163-038-00 CERAMIC CHIP 0.1uF C340 1-163-235-11 CERAMIC CHIP 22PF C383 1-163-038-00 CERAMIC CHIP 0.1uF (C8500X) C384 1-163-031-11 CERAMIC CHIP 0.01uF...
  • Page 69 D352 8-719-420-14 DIODE MA8082-M (TX) D353 8-719-801-78 DIODE MA152WK-TX < IC > D354 8-719-801-78 DIODE MA152WK-TX D355 8-719-079-66 DIODE 1ZB22 (TPB5.SONY) (C8500R) IC201 8-759-650-68 IC SAA6588T/V2-118 (C8500R) IC202 8-759-711-82 IC NJM4580E (T1) (C8500R) D355 8-719-200-82 DIODE 11ES2-TB5 (C8500X) IC301 8-759-653-27 IC TDA7402TR D356 8-719-079-66 DIODE 1ZB22 (TPB5.SONY) (C8500R)
  • Page 70 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC701 8-759-672-71 IC HD6432355A21F (C8500R) IC702 8-759-277-63 IC TC7W14FU (TE12R) Q406 8-729-822-84 TRANSISTOR 2SB1202FAT-TL Q407 8-729-421-22 TRANSISTOR UN2211-TX < JACK > Q601 8-729-120-28 TRANSISTOR 2SC2412K-T-146-R Q602 8-729-120-28 TRANSISTOR 2SC2412K-T-146-R J651 1-566-822-41 JACK (REMOTE IN) Q603...
  • Page 71 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R202 1-216-821-11 METAL CHIP 1/16W R307 1-216-817-11 METAL CHIP 1/16W (C8500R) (C8500X) R203 1-216-832-11 METAL CHIP 8.2K 1/16W R310 1-216-809-11 METAL CHIP 1/16W (C8500R) R204 1-216-817-11 METAL CHIP 1/16W R311 1-216-057-00 METAL CHIP...
  • Page 72 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R351 1-216-837-11 METAL CHIP 1/16W R390 1-216-864-11 METAL CHIP 1/16W R352 1-216-837-11 METAL CHIP 1/16W (C8500X) R353 1-216-837-11 METAL CHIP 1/16W R391 1-216-073-00 METAL CHIP 1/10W R354 1-216-837-11 METAL CHIP 1/16W (C8500R)
  • Page 73 MAIN SENSOR SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R527 1-216-815-11 METAL CHIP 1/16W R717 1-216-809-11 METAL CHIP 1/16W R528 1-216-821-11 METAL CHIP 1/16W R718 1-216-025-00 RES, CHIP 1/10W R529 1-216-049-11 RES, CHIP 1/10W R719 1-216-821-11 METAL CHIP 1/16W...
  • Page 74 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C305 1-162-970-11 CERAMIC CHIP 0.01uF C515 1-107-826-11 CERAMIC CHIP 0.1uF C306 1-107-823-11 CERAMIC CHIP 0.47uF C516 1-107-826-11 CERAMIC CHIP 0.1uF C307 1-107-826-11 CERAMIC CHIP 0.1uF < CONNECTOR > C308 1-162-927-11 CERAMIC CHIP 100PF...
  • Page 75 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R319 1-216-845-11 METAL CHIP 100K 1/16W R320 1-216-855-11 METAL CHIP 680K 1/16W R522 1-216-821-11 METAL CHIP 1/16W R324 1-216-827-11 METAL CHIP 3.3K 1/16W R523 1-216-821-11 METAL CHIP 1/16W R524 1-216-821-11 METAL CHIP...
  • Page 76 MDX-C8500R/C8500X Ver 1.1 2001.05 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R754 1-216-186-00 RES, CHIP 1/8W PARTS FOR INSTALLATION AND CONNECTION (C8500R) ************************************* R754 1-216-194-00 METAL CHIP 1/8W (C8500X) 3-012-360-31 FRAME 3-040-979-01 COLLAR ************************************************************** MISCELLANEOUS...
  • Page 77 MDX-C8500R / C8500X US Model MDX-C8500X AEP Model SERVICE MANUAL UK Model MDX-C8500R SUPPLEMENT-1 File this supplement with the service manual. Subject: 1. Correction 2. Board Modification (ECN-CSA02398/CSA02816/CSA02817) TABLE OF CONTENTS CORRECTION ..............BOARD MODIFICATION 2-1. New/Former Type Discrimination .........
  • Page 78 1. CORRECTION • DISASSEMBLY : Indicates corrected portion. Page INCORRECT CORRECT SUB PANEL ASS’Y 1 screw 1 screw (PTT2.6 × 6) (PTT2.6 × 5) 2 cover 2 cover SUB PANEL ASS’Y 3 screw 3 screw (PTT2.6 × 8) (PTT2.6 × 6) 3 two screws 3 two screws (PTT2.6 ×...
  • Page 79 • EXPLODED VIEWS : Indicates corrected portion. Page INCORRECT CORRECT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 15 3-040-996-01 HEAT SINK (2P) * 15 3-040-996-32 HEAT SINK (2P) (C8500R) * 15 3-040-996-72 HEAT SINK (2P) (C8500X) 1-792-602-11 CORD (WITH CONNECTOR) (SUB OUT) 1-790-355-52 CORD (WITH CONNECTOR) (RCA) (SUB OUT)
  • Page 80 Page INCORRECT CORRECT Front panel section Front panel section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-935-151-01 SPRING (OPEN) 3-037-267-01 SPRING (OPEN) LCD901 LCD901...
  • Page 81 • ELECTRICAL PARTS LIST : Indicates corrected portion. Page INCORRECT CORRECT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-045-994-01 COVER (DSP), SHIELD 3-040-996-01 HEAT SINK (2P) 3-040-996-32 HEAT SINK (2P) (C8500R) 3-040-996-72 HEAT SINK (2P) (C8500X) 3-045-994-01 COVER (DSP), SHIELD MISCELLANEOUS MISCELLANEOUS...
  • Page 82 2. BOARD MODIFICATION In this set, MAIN, DSO, SUB and KEY boards have been changed in the midway of production. This supplement contains only a difference portion. 2-1. New/Former Type Discrimination – MAIN BOARD (Component Side) – Former Type : 1-677-862-11 New Type : 1-677-862-12 –...
  • Page 83 There are three types of main board in according of destination Note on Printed Wiring Board: Note on Schematic Diagram: for MDX-C8500R. • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 84 MDX-C8500R/C8500X 2-4. PRINTED WIRING BOARD – MAIN Board (Component Side) – • Semiconductor Location Ref. No. Location Ref. No. Location D101 IC503 D102 IC504 IC601 D104 D105 IC701 J-10 D106 IC702 H-11 D107 D108 Q101 D109 Q102 D201 G-12 Q103...
  • Page 85 MDX-C8500R/C8500X 2-5. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – (FRONT VIEW) (C8500R) RL– GRN/BLK CN101 FL– WHT/BLK FR– GRY/BLK RR– VIO/BLK WHT/BLK GRN/BLK VIO/BLK GRY/BLK LIGHT BLU BLU/WHT AMP REM ORG/WHT ORG/WHT BATT ANT REM (C8500X) WHT/BLK FRONT LCH (–)
  • Page 86 MDX-C8500R/C8500X 2-6. SCHEMATIC DIAGRAM – MAIN Board (1/4) – (Page 15) (Page 11) (Page 12)
  • Page 87 MDX-C8500R/C8500X 2-7. SCHEMATIC DIAGRAM – MAIN Board (2/4) – (Page (Page 12) (Page 13)
  • Page 88 MDX-C8500R/C8500X 2-8. SCHEMATIC DIAGRAM – MAIN Board (3/4) – (Page 10) (Page 11) (Page 13)
  • Page 89 MDX-C8500R/C8500X 2-9. SCHEMATIC DIAGRAM – MAIN Board (4/4) – (Page 11) (Page (Page 17)
  • Page 90 MDX-C8500R/C8500X 2-10. PRINTED WIRING BOARD – DSO Board – (Page 9) • Semiconductor Location • Semiconductor Ref. No. Location Location D804 Ref. No. Location IC801 D802 IC803 IC802 IC806 IC809 IC805 IC807 Q801 IC808...
  • Page 91 MDX-C8500R/C8500X 2-11. SCHEMATIC DIAGRAM – DSO Board – (Page • Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : MD PLAY ∗ : Impossible to measure...
  • Page 92 MDX-C8500R/C8500X 2-12. PRINTED WIRING BOARD – SUB Board – (Page 9) (Page 18)
  • Page 93 MDX-C8500R/C8500X 2-13. SCHEMATIC DIAGRAM – SUB Board – (Page 19) (Page 13)
  • Page 94 MDX-C8500R/C8500X 2-14. PRINTED WIRING BOARD – KEY Board – • Semiconductor Location Ref. No. Location IC951 LED901 LED902 LED903 LED904 LED910 B-12 LED911 A-12 LED912 LED913 • Semiconductor Location Ref. No. Location D901 B-13 D902 C-11 D903 C-11 D904 C-11...
  • Page 95 MDX-C8500R/C8500X 2-15. SCHEMATIC DIAGRAM – KEY Board – (Page...
  • Page 96 2-16. EXPLODED VIEWS 2-17. ELECTRICAL PARTS LIST : Changed portion. NOTE: Page Former type New type • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference parts list may be different from the parts speci- are seldom required for routine service.
  • Page 97 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB808 1-500-329-21 FERRITE BEAD INDUCTOR CHIP R838 1-216-841-11 METAL CHIP 1/16W FB809 1-414-760-21 FERRITE BEAD INDUCTOR CHIP R839 1-216-831-11 METAL CHIP 6.8K 1/16W FB811 1-414-760-21 FERRITE BEAD INDUCTOR CHIP R840 1-216-841-11 METAL CHIP 1/16W...
  • Page 98 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C956 1-164-489-11 CERAMIC CHIP 0.22uF LSW903 1-771-476-11 SWITCH, KEY BOARD (WITH LED) C960 1-163-037-11 CERAMIC CHIP 0.022uF (SOUND EQ) (C8500X) LSW904 1-762-620-21 SWITCH, KEY BOARD (WITH LED) (MENU) C961 1-164-004-11 CERAMIC CHIP 0.1uF...
  • Page 99 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R911 1-208-806-11 RES, CHIP 1/10W R972 1-216-041-00 METAL CHIP 1/10W R912 1-216-647-11 METAL CHIP 0.5% 1/10W R913 1-216-647-11 METAL CHIP 0.5% 1/10W R973 1-216-815-11 METAL CHIP 1/16W R914 1-216-647-11 METAL CHIP 0.5%...
  • Page 100 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C127 1-163-009-11 CERAMIC CHIP 0.001uF C246 1-163-038-11 CERAMIC CHIP 0.1uF C301 1-164-346-11 CERAMIC CHIP C129 1-163-038-11 CERAMIC CHIP 0.1uF C130 1-163-038-11 CERAMIC CHIP 0.1uF C302 1-127-573-11 CERAMIC CHIP C201 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 101 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C342 1-163-235-11 CERAMIC CHIP 22PF C386 1-163-031-11 CERAMIC CHIP 0.01uF (C8500X) C387 1-163-031-11 CERAMIC CHIP 0.01uF C399 1-163-251-11 CERAMIC CHIP 100PF C343 1-126-157-11 ELECT 10uF C401 1-164-360-11 CERAMIC CHIP 0.1uF C344 1-126-157-11 ELECT...
  • Page 102 < IC > D353 8-719-801-78 DIODE MA152WK-TX D354 8-719-801-78 DIODE MA152WK-TX IC201 8-759-492-59 IC SAA6588T/V2-118 (C8500R) D355 8-719-079-66 DIODE 1ZB22 (TP5.SONY) (C8500R) IC202 8-759-711-82 IC NJM4580E (T1) (C8500R) D355 8-719-200-82 DIODE 11ES2-TB5 (C8500X) IC301 8-759-653-27 IC TDA7402TR IC302 8-759-521-35 IC TL5001CDR D356 8-719-079-66 DIODE 1ZB22 (TP5.SONY) (C8500R)
  • Page 103 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L102 1-469-674-21 INDUCTOR 220uH Q901 8-729-106-60 TRANSISTOR 2SB1132-T101-QR L103 1-469-675-21 INDUCTOR 100uH Q902 8-729-120-28 TRANSISTOR 2SC2412K-T-146-R L104 1-414-185-51 INDUCTOR 22uH L201 1-414-185-51 INDUCTOR 22uH Q903 8-729-120-28 TRANSISTOR 2SC2412K-T-146-R L301 1-414-179-51 INDUCTOR...
  • Page 104 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R208 1-216-001-00 METAL CHIP 1/10W R320 1-216-081-00 METAL CHIP 1/10W (C8500R) (C8500X) R209 1-216-025-11 RES, CHIP 1/10W R321 1-216-081-00 METAL CHIP 1/10W (C8500X) R210 1-216-025-11 RES, CHIP 1/10W R322 1-216-081-00 METAL CHIP...
  • Page 105 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R366 1-216-065-00 RES, CHIP 4.7K 1/10W R409 1-216-073-00 METAL CHIP 1/10W R367 1-216-065-00 RES, CHIP 4.7K 1/10W R412 1-216-829-11 METAL CHIP 4.7K 1/16W R368 1-216-222-00 RES, CHIP 1/8W R369 1-216-065-00 RES, CHIP...
  • Page 106 MDX-C8500R/C8500X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R543 1-216-097-11 RES, CHIP 100K 1/10W R734 1-216-845-11 METAL CHIP 100K 1/16W R735 1-216-864-11 METAL CHIP 1/16W R544 1-216-845-11 METAL CHIP 100K 1/16W R736 1-216-025-11 RES, CHIP...
  • Page 107 MDX-C8500R/C8500X MEMO...
  • Page 108 MDX-C8500R/C8500X 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 2001.05...

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