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• MHC-M500AV is composed of following models. As for the service manual, it is issued for each component model, then, please refer to them. COMPONENT MODEL NAME HCD-M500AV COMPACT DISC DECK RECEIVER SYSTEM SS-M500AV FRONT SPEAKER SPEAKER SS-CT175D CENTER SPEAKER SPEAKER...
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4-track 2-channel stereo Remote commander (1) Frequency response 40 – 13,000 Hz (± 3 dB), Batteries (2) using Sony TYPE I cassette FM lead antenna (1) Speaker cords (2) Tuner section Center speaker pads (4) FM stereo, FM/AM superheterodyne tuner...
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COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED 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 PUBLISHED BY SONY.
SERVICING NOTES TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UP 1. GENERAL BLOCK OR BASE UNIT Font 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.
REAR PANEL CD DIGITAL OUT connector SUPER WOOFER jack DVD INPUT jack MD/VIDEO INPUT (AUDIO) jack ANTENNA terminal CENTER SPEAKER terminal REAR SPEAKER terminal FRONT SPEAKER terminal AC power cord...
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This section is extracted from instruction manual.
SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2 Three screws (BVTP 3 × 8) 2-1. CASE 3 Case 1 Three screws (CASE3 TP2) 1 Three screws (CASE3 TP2) 2-2. FRONT PANEL SECTION 8 Lug 7 Screws 4 Connector(CN804) (BVTT 3 ×...
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2-3. DOOR ASSY 1 Two screws (PTPWH 2.6 × 8) 3 Remove the door assy to direction of the arrow A. 2 Open the door assy 2-4. BACK PANEL 7 Eight screws (BVTP 3 × 8) 3 Five screws (BVTP 3 × 8) 2 Connector(CN751) 1 Connector (CN802)
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2-5. MAIN BOARD 9 Connector(CN454) 5 Connector(CN454) qa Remove the MAIN board to direction of the arrow. 4 Connector(CN801B) 8 Connector(CN403) 6 Connector(CN461) 3 Connector(CN902) 7 Connector(CN451) 2 Wire (flat type) (9 core) 1 Wire (flat type) (16 core) 0 Two screws (BVTP 3 ×...
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2-7. SUB CHASSIS 1 Two screws (BVTT 3 × 8) 3 Sub chassis 2 Three screws (BVTP 3 × 8) 2 Two screws (BVTP 3 × 8) 2-8. CD MECHANISM DECK SECTION 8 Three screws 5 Two screws (BVTT 3 × 10) (BVTT 3 ×...
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2-9. CD BASE UNIT 1 Two screws (BTVP 3 × 8) 2 Bracket 3 Two tention springs 5 Base unit 4 Four screws (PTPWH 2.6 × 8) 2-10. BD BOARD, SLED MOTOR (M102) 6 Gear (A) (S) 8 Gear cover 5 Claw 7 Three claws 0 Two screws (P 2 ×...
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2-11. OPTICAL PICK-UP 3 Remove the optical pick-up to direction of the arrow A. 2 Sled shaft 1 Claw 2-12. TAPE MECHANISM DECK SECTION 2 Remove the cassette lid (L) assy to direction of the arrow B. 4 Remove the tape mechanism deck section.
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2-13. PANEL BOARD 4 Remove the spring (A deck) 3 Remove the cassette lid (L) assy 3 Remove the cassette lid (R) assy 4 Remove the spring (B deck) qa Nine screws qa Five screws (BVTP 2.6 × 8) (BVTP 2.6 × 8) qa Five screws (BVTP 2.6 ×...
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2-14. CASSETTE BOARD 4 CASSETTE board 1 Four rivets 3 Two screws (BVTT 2 × 4 (S)) 2 Break the soldering of two flexible flat cables. 2-15. CAPSTAN MOTOR (M1) 4 Remove the capstan motor to direction of the arrow. 3 Remove the belt.
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 x , ENTER and DISPLAY at the RAM to initial conditions. Execute this mode when returning same time.
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2. The tape A is played back in the FWD mode. After two minutes of the FWD playback, the aging mode advances to the next step. The message: TAPE A AG-2 appears. 3. The tape A runs in fast forward. After two minutes of fast forward, or at the shut-off point, the tape is stopped and the aging mode advances to the next step.
SECTION 4 MECHANICAL ADJUSTMENTS • Torque Measurement • TAPE MECHANISM DECK SECTION Precaution Torque meter Meter reading Mode 1. Clean the following parts with a denatured alcohol-moistened 3.06 N • m to 6.96 N • m swab: CQ-102C 31 to 71 g • cm record/playback heads pinch rollers erase head...
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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.
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MAGNET ASSY ALIGNMENT 1. Check that there is no disc in the unit and then press the @/1 button to 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 CLOCK/TIMER SET button simultaneously.
SECTION 5 ELECTRICAL ADJUSTMENTS 2. Turn the adjustment screw and check output peaks. If the peaks 0 dB = 0.775 V DECK SECTION do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1 dB of peak. 1.
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DECK A/B [MAIN BOARD] (Component Side) Tape Speed Adjustment Note: Start the Tape Speed adjustment as below after setting to the test mode. IC501 Procedure: 1. Press the button to turn ON the power. CN301B 2. Press the button, ENTER button and TIMER SELECT button simultaneously.
Note : A clear RF signal waveform means that the shape “◊” can be RF PLL Free-run Frequency Check CD SECTION clearly distinguished at the center of the waveform. Procedure : Connect the frequency counter to TP (PLCK) of the BD board. Note : RF signal waveform CD Block is basically designed to operate without adjustment.
HCD-M500AV SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – CD SECTION – OPTICAL PICK-UP BLOCK FOCUS/TRACKING/ (KSM-213BFN/C2NP) SLED/SPINDLE SERVO DIGITAL SIGNAL RF AMP PROCESSOR A+5V IC402 DETECTOR IC101 IC102 • SIGNAL PATH A+5V DIGITAL RF SM EFMI D OUT D IN :DIGITAL OUT FIN 1 EFMO...
HCD-M500AV – MAIN SECTION – IC101 SOUND PROCESSOR SECTION IC141 IC801 CD L RY731 (Page 24) JK801 Q801 FRONT Q141,143 Q145 SPEAKER R CH OVER LOAD MUTE MUTE DET. MAIN SWITCH Q732,733 PB L SECTION Q741-743 LATCH (Page 26) SPEANA POWER DRIVER REC IN L...
HCD-M500AV – AUDIO SECTION – ANT1 FRONTEND AM/FM IF MPX FM IF TUNER L IF OUT 1 1 FM IF IN L OUT 75Ω CD51 8 FM DET. F OUT SECTION (Page 25) • R-CH is omitted • SIGNAL PATH : FM 16 FM IN ST/MONO...
6-2. CIRCUIT BOARDS LOCATION THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this necessary note is printed in each block.) FRONT SP TERM board For schematic diagrams. For printed wiring boards. REAR SP TERM board Note: Note: TRANS board...
HCD-M500AV 6-4. SCHEMATIC DIAGRAM – BD SECTION – • See page 48 for Waveforms. • See page 48, 50 for IC Pin Functions. KSM-213BFN/C2NP 1SS133T FUNCTION FUNCTION Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
HCD-M500AV 6-5. PRINTED WIRING BOARD – CD MOTOR SECTION – • See page 27 for Circuit Boards Location. MAIN BOARD CN461 (Page 34) TABLE SENSOR BOARD CD MOTOR BOARD TABLE MOTOR LOADING MOTOR (11) 1-663-974- MAIN BOARD 1-663-971- (11) CN453 (Page 34) MAIN BOARD CN451...
HCD-M500AV 6-11. SCHEMATIC DIAGRAM – MAIN (2/6) SECTION – • See page 32 for Printed Wiring Board. • See page 48 for Waveforms. • See page 52 for IC Pin Functions. • See page 56 for IC Block Diagrams. FUNCTION...
HCD-M500AV 6-14. SCHEMATIC DIAGRAM – MAIN (5/6) SECTION – • See page 32 for Printed Wiring Board. • See page 48 for Waveforms. • See page 53 for IC Pin Functions. FUNCTION...
HCD-M500AV 6-19. SCHEMATIC DIAGRAM – PANEL SECTION – • See page 48 for Waveforms. • See page 56 for IC Block Diagrams. • See page 55 for IC Pin Functions. FUNCTION...
6-24. WAVEFORMS 6-25. IC PIN FUNCTION DESCRIPTION BD BOARD IC101 LA9240M (FOCUS/TRACKING/SLED SERVO, RF AMP) – MAIN Section – – PANEL Section – Pin No. Pin Name Function Connected to the pick-up photodiode FIN2 IC2 ws (XOUT) IC501 ea (EXTAL) IC601 8 (X-OUT) Added with FIN1 to create RF signal, subtracted with FIN1 to create FE signal FIN1...
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Pin No. Pin Name 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–...
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BD BOARD IC102 LC78622E (DIGITAL SIGNAL PROCESSOR) 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 —...
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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 —...
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MAIN BOARD IC401 CXP84632-158Q (CD CHANGER CONTROL) 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...
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MAIN BOARD IC501 CXP84632-159Q (MASTER CONTROL) Pin No. Pin Name Function TDA DATA Data signal output for IC101 — Not used — Not used — Not used NC (VSS) — Not used (Ground) PB MUTE TC PB mute control signal output REC MUTE TC REC mute control signal output PB A/B...
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Pin No. Pin Name Function STEREO Stereo detection for tuner TUNED Tuned detection for tuner — Not used NC (VSS) — Not used (Connect to ground) NC (VSS) — Not used (Connect to ground) NC (VSS) — Not used (Connect to ground) Not used (Connect to ground) NC (VSS) —...
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PANEL BOARD IC601 TMP87CM74AF-1G57 (DISPLAY CONTROL) Pin No. Pin Name Function 1 to 6 LED3 to LED8 LED driver output — Ground XOUT X’tal (8MHz) X’tal (8MHz) RESET Reset signal input 11, 12 LED9, LED10 LED driver output TEST — Not used 14 to 18 LED11 to LED15...
SECTION 7 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark 0 or have some differences from the original one. in the exploded views are not supplied. dotted line with mark 0 are critical for safety.
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7-3. CHASSIS SECTION not supplied supplied T991 T992 CD MECHANISM DECK SECTION-1 not supplied CD MECHANISM DECK SECTION-2 not supplied not supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref.
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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 1-663-974-11 CD MOTOR BOARD 4-988-425-01 PULLEY...
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7-6. OPTICAL PICK UP SECTION (KSM-213BFN/C2NP) not supplied M102 M101 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 Remarks Ref. No. Part No.
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7-7. TAPE MECHANISM DECK SECTION (TCM-230AWR21) not supplied not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3374-156-4 PINCH LEVER (REV) ASSY 4-227-239-01 BELT (CAPSTAN C) X-3374-155-4 PINCH LEVER (FWD) ASSY A-2100-912-A TODECK (TCM-230AWR21) 3-019-208-01 WASHER, STOPPER A-4475-079-A CASSETTE BOARD, COMPLETE...
SECTION 8 ELECTRICAL PARTS LIST NOTE: Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks • 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.
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CASSETTE Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-216-295-91 SHORT R162 1-216-037-00 METAL CHIP 1/10W JW10 1-216-295-91 SHORT R163 1-216-049-91 RES-CHIP 1/10W R164 1-216-065-91 RES-CHIP 4.7K 1/10W < TRANSISTOR > R165 1-216-025-91 RES-CHIP 1/10W R166 1-216-025-91 RES-CHIP 1/10W Q101...
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CASSETTE CD DOOR CD LED Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C346 1-163-009-11 CERAMIC CHIP 0.001uF R327 1-216-077-91 RES-CHIP 1/10W C347 1-130-479-00 MYLAR 0.0047uF 5% R328 1-216-077-91 RES-CHIP 1/10W C348 1-136-293-11 MYLAR 0.0082uF 5.00% 50V R331 1-216-073-00 METAL CHIP 1/10W...
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CD LED CD MOTOR DISC SENSOR (R) DISC SENSOR (S) DOOR LED FRONT AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > C801 1-128-582-11 ELECT 10uF 20.00% 100V C802 1-128-582-11 ELECT 10uF 20.00% 100V R691 1-249-402-11 CARBON 1/4W F...
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FRONT AMP FRONT SP TERM MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R702 1-216-089-91 RES-CHIP 1/10W < RELAY > R704 1-216-089-91 RES-CHIP 1/10W R705 1-216-073-00 METAL CHIP 1/10W RY731 1-515-920-11 RELAY (24V) R706 1-216-089-91 RES-CHIP 1/10W R707 1-216-073-00 METAL CHIP...
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HCD-M500AV 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 2001.07 Correction of exploded views (66, 69, 70).
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SS-M100/M500AV SERVICE MANUAL US Model This set is the speaker system in MHC-M100/M300AV/M500AV. Photo: SS-M500AV MHC-M100 MHC-M300/M500AV SPEAKER SYSTEM SS-M100 SS-M500AV SPECIFICATIONS SS-M100 SS-M500AV Speaker system 3-way, bass-reflex type Speaker system 3-way, bass-reflex type Speaker units magnetically shielded type Woofer:...
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SS-CT175/CT175D/RC175/ RC175D/RS175/RS175D SERVICE MANUAL US Model This set is the speaker system in MHC-M300AV/M500AV. Photo: SS-CT175D Photo: SS-RS175D SS-RC175/RC175D is composed for following model. COMPONENT MODEL NAME FOR SS-RC175/RC175D MHC-M300AV MHC-M500AV SS-RC175 SS-RC175D SPEAKER SYSTEM SS-CT175 CENTER SPEAKER SS-CT175D SS-RS175 REAR SPEAKER SS-RS175D SPECIFICATIONS...