MDX-M690 SERVICE MANUAL AEP Model UK Model Ver 1.0 2001.03 US and foreign patents licensed from Dolby Laboratories. Model Name Using Similar Mechanism MDX-CA680 Base Mechanism Type MG-164MA-138 Optical Pick-up Name KMS-241C SPECIFICATIONS MD Player section Power amplifier section Loudness...
MDX-M690 TABLE OF CONTENTS SERVICING NOTES DIAGRAMS ..........4 6-1. Block Diagram – SERVO Section – ....... 21 GENERAL 6-2. Block Diagram – TUNER Section – ......22 6-3. Block Diagram – MAIN Section – ......... 23 Location of Controls ............5 6-4.
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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.
MDX-M690 SECTION 1 SERVICING NOTES PRECAUTION ON OPEN/CLOSE FRONT PANEL DETACHING THE DISPLAY PANEL IN THE TEST MODE [OPEN] In the normal mode, after pressing the key for two sec- The front panel opens to the bottom of main unit.
MDX-M690 SECTION 2 This section is extracted from instruction manual. GENERAL Main display panel Location of controls Card remote commander RM-X111 Refer to the pages listed for details. : During Playback : During radio reception : During menu mode CD/MD...
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Zorg ervoor dat de kleurcode voor audio overeenkomt met richtigen Buchsen am Gerät zu verbinden. van een auto-antenne de betreffende aansluitingen op het toestel. nur CDX-M670 und MDX-M690 alleen CDX-M670, MDX-M690 Mit dem kabel nach oben einsetzen! Inbrengen met het snoer naar boven...
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MDX-M690 Dashboard Fire wall Armaturenbrett Motorraumtrennwand Extended portion of the front panel Tableau de bord Paroi ignifuge Überstehender Teil der Frontplatte Cruscotto Parete tagliafiamma Partie étendue de la façade Dashboard Brandschot Parte sporgente del pannello anteriore Verlengstuk van het frontpaneel...
MDX-M690 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.
MDX-M690 Note: Follow the disassembly procedure in the numerical order given. 3-2. COVER 1 screw (PTT2.6 × 6) 2 cover 3-3. FRONT PANEL (KEY) ASSY 5 Remove the front panel (KEY) assy in the direction of the arrow. 4 screw (panel)
MDX-M690 3-10. MD COVER ASSY 1 four screws (BVTT2 × 4) 3 MD cover assy shaft (MD cover guide) cassette holder 2 Pushing the cassette holder in the direction of the arrow A with a screwdriver, etc., disengage the shaft (MD cover guide) from the slot in the MD cover assy.
MDX-M690 3-12. LO MOTOR ASSY (LOADING) (M903) 4 Remove the bracket (LO) in the direction of the arrow A . 5 LO motor assy (loading) 1 Remove solders of motor (M903). (M903) 2 tension spring (rack) 3 claw bracket (LO) –...
MDX-M690 3-14. HOLDER ASSY 4 Remove the holder assy in the direction of the arrow. 2 type-E stop ring 1.5 1 spring (chucking) 2 type-E stop ring 1.5 2 type-E stop ring 1.5 3 lever (lock R) 3 lever (lock L) 1 spring (chucking) 2 type-E stop ring 1.5...
MDX-M690 SECTION 4 ASSEMBLY • This set can be assembled in the order shown below. 4-1. ASSEMBLY FLOW 4-2. MOTOR BLOCK ASSY (Page 18) 4-3. CAM (R) ASSY (Page 18) 4-4. ADJUSTING PHASE OF MOTOR BLOCK ASSY, CAM (R) ASSY (Page 19) 4-5.
MDX-M690 4-4. ADJUSTING PHASE OF MOTOR BLOCK ASSY, CAM (R) ASSY 1 Supply the power to the motor. – yellow wiring Voltage : 9V Yellow wiring : MOTOR – Black wiring : MOTOR + 2 Motor stops at full open position.
MDX-M690 SECTION 5 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.
MDX-M690 6-5. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 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. • Y : parts extracted from the conductor side.
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MDX-M690 • Circuit Boards Location • FRONT PANEL (DSPL) SECTION DISPLAY board • GENERAL SECTION SENSOR board SERVO board SW board MAIN board KEY board SUB MD board...
MDX-M690 6-10. PRINTED WIRING BOARDS – MAIN Section (2/2) – • See page 26 for Circuit Boards Location. CN302 • Semiconductor CN601 AUDIO OUT J651 BUS CONTROL Location AUDIO F101 (REMOTE IN) REAR FRONT FM/AM ANTENNA IN Ref. No. Location...
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MDX-M690 IC305 TDA7406T MIXER SPECTRUM SACLK ANALYZER FRONT REAR OUTPUT SELECTOR SWIN 34 ACINR 35 MAIN WOOFER FILTER ACOUTR 36 QUAL HIGH-CUT QUAL PULSE S & H SWACOUT 37 FORMER 25kHz ACOUTL 38 7 BAND EQUALIZER MULTIPATH MPOUT DEMODULATOR DETECTOR...
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MDX-M690 IC601 BA8270F-E2 IC651 BA6288FS-E2 BUS ON BUS ON SWITCH OUT1 OUT2 RESET DRIVER SWITCH BUS ON CLK IN DRIVER BATTERY BATT BU IN SWITCH VREF VREF DATA IN DATA CONTROL LOGIC DATA OUT POWER SAVE – SUB MD Board –...
MDX-M690 6-21. IC PIN FUNCTION DESCRIPTION • SERVO BOARD IC301 CXD2662R (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER) Pin No. Pin Name Description Focus OK signal output to the MD mechanism controller (IC501) MNT0 (FOK) “H”...
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MDX-M690 Pin No. Pin Name Description XRAS Row address strobe signal output to the D-RAM (IC307) “L” active Write enable signal output to the D-RAM (IC307) “L” active Two-way data bus with the D-RAM (IC307) MVCI Digital in PLL oscillation input from the external VCO Not used (fixed at “L”)
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MDX-M690 Pin No. Pin Name Description SRDR Sled servo drive PWM signal (–) output to the BH6518FS (IC303) SFDR Sled servo drive PWM signal (+) output to the BH6518FS (IC303) SPRD Spindle servo drive PWM signal (–) output to the BH6518FS (IC303)
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MDX-M690 • 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...
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MDX-M690 • SERVO BOARD IC501 CXP84340-231Q (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”...
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Pin Name Description LINKOFF Unilink on/off control signal output for the SONY bus “H”: link off Not used (open) UNIREQ Data request signal output terminal (for SONY bus) “H”: request on Not used (open) Serial clock signal input from the system controller (IC501) or serial clock signal output to the...
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Input terminal for UART transfer data when writing into internal flash memory data Output terminal for UART transfer data when writing into internal flash memory data Bus on/off control signal output to the MD mechanism controller (IC501), SONY bus interface BUS- ON (IC601) and display controller (IC702) “L”: bus on...
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Synchronized detection signal of RDS data block input from the RDS decoder (IC202) DAVN “H”: active Not used (open) Battery detection signal input from the SONY bus interface (IC601) BUIN “L” is input at low voltage Not used (open) Input of acknowledge signal for the key entry Acknowledge signal is input to accept function KEY_ACK and eject keys in the power off status On at input of “H”...
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MDX-M690 Pin No. Pin Name Description — Ground terminal Main system clock input terminal (3.68 MHz) Main system clock output terminal (3.68 MHz) — Power supply terminal (+5V) Auto dimmer control illumination line detection signal input terminal ILL IN “L” is input at dimmer detection...
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Security/operation side select control signal input from the system controller (IC501) LED SW2 48, 49 Not used (open) LINK-OFF Link on/off control signal output for the SONY bus “L”: link on, “H”: link off Not used (open) ILLON Display power supply on/off control signal output “H”: display power on —...
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— Ground terminal Serial clock signal input /output with the MD mechanism controller (IC501) and system UNI-SCK controller (IC501) or serial clock signal output to the SONY bus interface (IC601) Not used (open) AVCC — Power supply terminal (+5V) (for A/D converter)
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MDX-M690 • MAIN BOARD IC801 RRX9000-0401R#01 (SIRCS CONTROLLER) Pin No. Pin Name Description — Power supply terminal (+5V) — Ground terminal System clock input terminal (4 MHz) XOUT System clock output terminal (4 MHz) CNVSS — Ground terminal RESET Reset signal input trminal “L”: reset —...
MDX-M690 SECTION 7 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.
MDX-M690 7-6. MECHANISM DECK SECTION-2 (MG-164MA-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.
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MDX-M690 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC601 8-759-449-89 IC BA8270F-E2 IC650 8-759-337-40 IC NJM2904V (TE2) Q451 8-729-106-60 TRANSISTOR 2SB1132-T100-R IC651 8-759-580-33 IC BA6288FS-E2 Q452 8-729-038-67 TRANSISTOR KRC102S IC652 8-759-668-14 IC PQ09DZ1U Q501...
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MDX-M690 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R205 1-216-833-11 METAL CHIP 1/16W R363 1-216-845-11 METAL CHIP 100K 1/16W R206 1-216-825-11 METAL CHIP 2.2K 1/16W R207 1-216-809-11 METAL CHIP 1/16W R364 1-216-813-11 METAL CHIP...
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MDX-M690 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R515 1-216-821-11 METAL CHIP 1/16W R705 1-216-821-11 METAL CHIP 1/16W R516 1-216-864-11 SHORT R517 1-216-821-11 METAL CHIP 1/16W R708 1-216-821-11 METAL CHIP 1/16W R518 1-216-829-11 METAL CHIP 4.7K...
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MDX-M690 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...