Sony PMC-DR50 Service Manual
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Sony PMC-DR50 Service Manual

Sony PMC-DR50 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2000.03
TE
L 13942296513
www
.
http://www.xiaoyu163.com
x
ao
u163
y
i
http://www.xiaoyu163.com
PMC-DR50
2 9
8
TAPE
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
Model Name Using Similar Mechanism
CD
MD Mechanism Type
Section
Optical Pick-up Type
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
PERSONAL COMPONENT SYSTEM
co
.
9 4
2 8
US Model
NEW
MF-PMCDR50
NEW
KSM-213CCP
KSS-213C
0 5
8
2 9
9 4
2 8
– Continued on page 2 –
m
9 9
9 9

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  • Page 1 PMC-DR50 3 7 63 1515 0 SERVICE MANUAL US Model Ver 1.0 2000.03 TAPE Model Name Using Similar Mechanism Section Tape Transport Mechanism Type MF-PMCDR50 Model Name Using Similar Mechanism MD Mechanism Type KSM-213CCP Section Optical Pick-up Type KSS-213C...

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS Specifications ................1 1. SERVICE NOTE ............3 2. GENERAL ..............4 3. DISASSEMBLY 3-1. Case(bottom), “Cover ASSY, Top” ......6 3-2. CD ASSY ..............7 3-3. Main Board, Jack Board ........... 7 3-4.

  • Page 3: Service Note

    LIST ARE CRITICAL TO SAFE OPERATION. 3. Confirm the laser diode emission while observing the objecting REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE lens. When there is no emission, Auto Power Control circuit or PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN Optical Pick-up is broken.

  • Page 4: General

    http://www.xiaoyu163.com SECTION 2 GENERAL 3 7 63 1515 0 LOCATION AND FUNCTION OF CONTROLS MAIN UNIT L 13942296513 1 VOLUME +, – buttons !¡ PLAY MODE, MONO/ST ISS button 2 CD tray !™ ENTER/MEM button 3 Timer buttons !£ =(–) , +(+) TUNE TIME SET button !¢...
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 Remote commander 1 DISPLAY button POWER 2 SLEEP button SLEEP DISPLAY 3 POWER button CD/RADIO 4 Number buttons 5 MEGA BASS button 6 VOLUME +, – buttons 7 SOUND button 8 CD operation buttons =, +(AMS, search) !¡...

  • Page 6: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 The equipment can be removed using the following procedure. Case(bottom) CD ASSY Main board, Jack board Tray ASP board Belt Main unit Motor board, Loading motor (M651) Optical pick-up block Cover ASSY, top Mechanism deck TC RF board, Head relay board, Capstan/reel motor (M160) Control board...

  • Page 7: Cd Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 3-2. CD ASSY CD ASSY Case (bottom) 1 Screws (+BVTT 3x10) L 13942296513 3-3. MAIN BOARD, JACK BOARD Jack board 4 Screw (+BVTT 2.6x8) 2 Screws (+BVTT 2.6x8) 2 Screws (+BVTT 2.6x8) 1 Screws (+BVTT 3x10) Main board Case (bottom) u163...

  • Page 8: Tray

    http://www.xiaoyu163.com 3 7 63 1515 0 3-4. TRAY 3 Projection 1 Turn the gear in a direction as a figure Chassis 3 Projection Tray L 13942296513 3-5. ASP BOARD 1 Screw (+P 2x6) ASP board 2 Remove solder 3 Wire, parallel (16 core) Chassis u163 –...

  • Page 9: Belt

    http://www.xiaoyu163.com 3 7 63 1515 0 3-6. BELT 1 Screws (+P 2.6x8) Chucking chassis 3 Belt Chassis L 13942296513 3-7. MOTOR BOARD, LOADING MOTOR (M651) 3 Remove solder Motor board 4 Loading motor (M651) Chassis Claws u163 1 Screws (+B 2x3) –...

  • Page 10: Optical Pick-Up Block

    http://www.xiaoyu163.com 3 7 63 1515 0 3-8. OPTICAL PICK-UP BLOCK 2 Screws (+PWH 2.6x10) Optical pick-up block 1 Screws (+PWH 2.6x10) Chassis L 13942296513 3-9. MECHANISM DECK Cover ASSY, top Mechanism deck 1 Screws (+BVTT 3x10) u163 1 Screws (+BVTT 3x10) Cover, deck –...

  • Page 11: Tc Rf Board, Head Relay Board, Capstan/Reel Motor (M160)

    http://www.xiaoyu163.com 3 7 63 1515 0 3-10. TC RF BOARD, HEAD RELAY BOARD, CAPSTAN/REEL MOTOR (M160) 8 Screws Capstan/reel motor (M160) 6 Belt FR 7 Belt BR 4 Screw Head relay board 2 Remove solder TC RF board Belt FR Belt BR 1 Screws 2 Remove solder...

  • Page 12: Display Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-12. DISPLAY BOARD DSP board 2 Wire, parallel (18 core) CPU board Holder, Display PC board 3 Wire, parallel (19 core) Display board 1 Screws (+BVTT 2.6x8) 3-13. DSP BOARD, CPU BOARD L 13942296513 1 Screws (+BVTT 2.6x8) DSP board 2 Support...

  • Page 13: Vol Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-14. VOL BOARD 1 Claws 1 Claws Panel ASSY, front 1 Claws Case (top) 1 Claws VOL board 3 Screws (+BVTT 2.6x8) L 13942296513 < SPEAKER UNIT (R-CH) > 3-15. “CABINET, WOOD”, “CABINET (R) BOTTOM” 2 Screws (+P 4x16) Cabinet, Wood Cabinet (R) bottom...

  • Page 14: Speaker (R-Ch) (Sp101)

    http://www.xiaoyu163.com 3 7 63 1515 0 3-16. SPEAKER (R-CH) (SP101) 4 Screws Stand, Grill 2 Screws (+BVTT 4x10) Cabinet, Wood Speaker (SP101) Panel (R) ASSY, Sub Stand, Grill Speaker grill ASSY 2 Screws (+BVTT 4x10) L 13942296513 3-17. POWER BOARD Power board Bracket, Transfomer Bracket, Transfomer...

  • Page 15: Amp Board, Amp Ic Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-18. AMP BOARD, AMP IC BOARD 3 Screws (3x10) AMP board Cabinet (R) bottom 1 Screws (+BVTT 3x12) AMP IC board L 13942296513 3-19. SPEAKER BOARD Speaker board 4 Screws (+BVTT 3x8) 6 Screws (+BVTT 3x8) 2 Screws (+BVTT 3x8)

  • Page 16: Mechanical Adjustments

    http://www.xiaoyu163.com SECTION 4 ADJUSTMENTS 3 7 63 1515 0 4-1. MECHANICAL ADJUSTMENTS Record/Playback/Erase Head Azimuth Adjustment Procedure : 1. Mode : FWD playback TAPE RECORDER SECTION test tape PRECAUTION level meter P-4-A100 1. Clean the following parts with a denatured-alcohol-moistened (10kHz, –10dB) 47K Ω...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 Tape Speed Adjustment TUNER SECTION 0dB=1µV Procedure : – FWD Playback Mode – AM Section test tape WS-48B BAND button : AM frequency counter (3kHz, 0dB) Volume : MIN 47K Ω 60cm loop antenna B loop antenna A AM RF signal LINE OUT (JK301)
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 Auto Stop Level Adjustment FM IF ADJUSTMENT Adjust for a maximum reading on level meter. FM RF signal generator 10.7MHz 0.01 µF FM FREQUENCY COVERAGE CONFIRMATION FM EXT. ANT. reading on digital Adjust part Frequency display terminal voltmeter...

  • Page 19: Diagrams

    http://www.xiaoyu163.com SECTION 5 DIAGRAMS 3 7 6 3 1 5 1 5 0 5-1. EXPLANATION OF IC TERMINALS MAIN UNIT-2 Pin No. Pin name Description IC801 CXP82832-022Q (SYSTEM CONTROL, FL DRIVE) SYS MUTE Mute signal output. TUNER MUTE Tuner mute signal output. Pin No.

  • Page 20: Block Diagrams - Cd, Tuner Section

    PMC-DR50 3 7 6 3 1 5 1 5 0 5-2. BLOCK DIAGRAMS – CD, TUNER SECTION – • Signal path. : FM : AM : CD 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...

  • Page 21: Block Diagrams - Tape, Main Section

    PMC-DR50 5-3. BLOCK DIAGRAMS – TAPE, MAIN SECTION – w w w • Signal path. : FM : CD : PB : REC – 25 – – 26 – – 27 – – 28 – http://www.xiaoyu163.com...

  • Page 22: Printed Wiring Boards – Main Section

    PMC-DR50 5-4. PRINTED WIRING BOARDS – MAIN SECTION – Refer to page 20 for Circuit Boards Location. Semiconductor Location CPU BOARD CPU BOARD DSP BOARD CONTROL BOARD VOL BOARD Ref. No. Location Ref. No. Location CN812 CN811 CN752 CN304...

  • Page 23: Schematic Diagram - Main Section (1/3)

    PMC-DR50 5-5. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – 3 7 6 3 1 5 1 5 0 Waveforms – MAIN SECTION (1/3) – 1.5Vp-p 75kHz VOLT/DIV : 0.5 V AC IC3 wa TIME/DIV : 5 msec 1 3 9 4 2 2 9 6 5 1 3 Note: •...

  • Page 24: Schematic Diagram - Main Section (2/3)

    PMC-DR50 Refer to page 62 for IC Block Diagrams. Refer to page 39 for Waveforms. 5-6. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) – Refer to page 39 for Notes. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3...

  • Page 25: Schematic Diagram - Main Section (3/3)

    PMC-DR50 5-7. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) – 3 7 6 3 1 5 1 5 0 Waveforms – MAIN SECTION (2/3) – 60Vp-p 57kHz ATT : 1/10 VOLT/DIV : 1V AC L301 TIME/DIV : 5 µsec 15Vp-p...

  • Page 26: Printed Wiring Boards - Cd Section

    PMC-DR50 5-8. PRINTED WIRING BOARDS – CD SECTION – Refer to page 21 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 Semiconductor Location Ref. No. Location [DSP BOARD] D751 D-10 CN702 IC651 TP701 IC701...

  • Page 27: Schematic Diagram - Cd Section

    PMC-DR50 5-9. SCHEMATIC DIAGRAM – CD SECTION – Refer to page 63 - 64 for IC Block Diagrams. Refer to page 49 for Waveforms. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 28 PMC-DR50 5-10. SCHEMATIC DIAGRAM – CONTOROL SECTION – Waveforms (CD SECTION) Waveforms – CONTROL SECTION – (PLAY MODE) 4.8Vp-p 1.0 – 1.5Vp-p 32.768kHz IC701 ed VOLT/DIV : 0.5 V AC VOLT/DIV : 1V AC TIME/DIV : 1 µsec IC801 rs (RFO) TIME/DIV : 10 µsec...
  • Page 29 PMC-DR50 5-11. PRINTED WIRING BOARDS – CONTOROL SECTION – Refer to page 20 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 MAIN BOARD JACK BOARD Semiconductor CN304 CN304 Location (Page 31) (Page 29) Ref. No.

  • Page 30: Printed Wiring Boards - Amp Section

    PMC-DR50 5-12. PRINTED WIRING BOARDS – AMP SECTION – Refer to page 21 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 Semiconductor Location [POWER BOARD] [AMP IC BOARD] Ref. No. Location IC309 D401 T501...

  • Page 31: Schematic Diagram - Amp Section

    PMC-DR50 3 7 6 3 1 5 1 5 0 5-13. SCHEMATIC DIAGRAM – AMP SECTION – 1 3 9 4 2 2 9 6 5 1 3 Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 32 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 IC Block Diagrams – MAIN SECTION (2/3) – IC Block Diagrams – CD SECTION – IC751 CXD2589Q IC301 TA2068N IC701 CXA1992BR IC305 BA338 59 58 57 54 53 52 51 50 LOGIC MONITOR MONITOR...

  • Page 33: Exploded Views

    http://www.xiaoyu163.com SECTION 6 EXPLODED VIEWS 3 7 63 1515 0 NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark 0 may have some difference from the original number in the exploded views are not or dotted line with mark 0 are critical one.

  • Page 34: Control Section

    http://www.xiaoyu163.com 3 7 63 1515 0 6-2. CONTROL SECTION L 13942296513 FL801 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 A-3323-379-A CONTROL BOARD, COMPLETE 3-042-150-01 HOLDER, CASSETTE * 52 A-3323-381-A CPU BOARD, COMPLETE 3-042-159-01 SPRING, CASSETTE DOOR * 53 1-794-036-11 CABLE, FLEXIBLE FLAT 19P (90mm)

  • Page 35: Cd Mechanism Section

    http://www.xiaoyu163.com 3 7 63 1515 0 6-3. CD MECHANISM SECTION not supplied not supplied L 13942296513 M651 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 A-3322-390-A ASP BOARD, COMPLETE 1-452-899-21 MAGNET * 102 1-676-294-11 MOTOR BOARD 3-028-011-01 ARM 3-028-010-01 TRAY 3-931-379-01 RUBBER, VIBRATION PROOF (PINK)

  • Page 36: Mechanism Deck Section-1

    http://www.xiaoyu163.com 3 7 63 1515 0 6-4. MECHANISM DECK SECTION-1 (MF-PMCDR50) M160 not supplied (S301, 303, 304, 305) (S301, 303, 304, 305) PH160 179 180 S302 PM160 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-029-619-01 SCREW 3-029-626-01 WASHER...

  • Page 37: Mechanism Deck Section-2

    http://www.xiaoyu163.com 3 7 63 1515 0 6-5. MECHANISM DECK SECTION-2 (MF-PMCDR50) HRPE101 L 13942296513 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-029-573-01 LEVER (HD) 3-029-577-01 PLATE (D) 3-029-576-01 PINCH, ROLLER 3-029-578-01 REEL, CAP 3-029-574-01 PINCH (R), CAP 3-029-602-01 SPRING 3-029-575-01 PINCH (L), CAP...

  • Page 38: Cd Optical Pick-Up Section

    http://www.xiaoyu163.com 3 7 63 1515 0 6-6. CD OPTICAL PICK-UP SECTION (KSM-213CCP) not s upplied (including M702) M702 L 13942296513 M701 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref.

  • Page 39: Speaker (R-Ch) Section

    http://www.xiaoyu163.com 3 7 63 1515 0 6-7. SPEAKER (R-CH) SECTION F501 not supplied not supplied T501 SP101 not supplied not supplied not supplied L 13942296513 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.

  • Page 40: Speaker (L-Ch) Section

    http://www.xiaoyu163.com 3 7 63 1515 0 6-8. SPEAKER (L-CH) SECTION SP201 not supplied not supplied L 13942296513 supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-042-252-01 CABINET (L), BOTTOM 3-042-174-01 CABINET, WOOD 3-042-194-01 BOARD (L), BACK * 357 3-042-179-01 SPONGE, BACK BOARD X-3378-357-1 GRILLE ASSY, SPEAKER...

  • Page 41: Ao Y U163

    http://www.xiaoyu163.com SECTION 7 AMP IC ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS In each case, u : µ , for example : The components identified by mark 0 parts list may be different from the parts uA..
  • Page 42 http://www.xiaoyu163.com CONTROL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C705 1-130-487-00 MYLAR 0.022uF < RESISTOR > C706 1-104-665-11 ELECT 100uF R701 1-249-441-11 CARBON 100K 1/4W C707 1-161-494-00 CERAMIC 0.022uF R702 1-249-439-11 CARBON 1/4W C708...
  • Page 43 http://www.xiaoyu163.com CONTROL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D810 8-719-074-94 LED LTL-1CHEE (DIMMER) < RESISTOR > D811 8-719-074-95 LED LTL-1KHGE-U (RADIO SWITCH BACK-LIGHT) R151 1-249-393-11 CARBON 1/4W D812 8-719-074-95 LED LTL-1KHGE-U (RADIO SWITCH R251 1-249-393-11 CARBON 1/4W...
  • Page 44 http://www.xiaoyu163.com CONTROL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S825 1-771-838-11 SWITCH, TACT (TUNE TIME SET . - ) C853 1-164-095-11 CERAMIC 0.01uF S826 1-771-838-11 SWITCH, TACT (TUNE TIME SET > + ) C854 1-164-095-11 CERAMIC 0.01uF...
  • Page 45 http://www.xiaoyu163.com DISPLAY 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R819 1-249-417-11 CARBON 1/4W < CONNECTOR > R820 1-249-417-11 CARBON 1/4W * CN801 1-793-850-11 CONNECTOR (SIDE BASE), FFC 19P R821 1-249-417-11 CARBON 1/4W * CN802 1-793-849-11 CONNECTOR (SIDE BASE), FFC 18P...
  • Page 46 http://www.xiaoyu163.com DSP HEAD RELAY JACK 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C782 1-102-108-00 CERAMIC 150PF R771 1-249-417-11 CARBON 1/4W C783 1-164-083-11 CERAMIC 680PF R773 1-249-442-11 CARBON 1/4W C784 1-164-083-11 CERAMIC 680PF R774 1-247-903-00 CARBON...
  • Page 47 http://www.xiaoyu163.com JACK MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C356 1-164-097-11 CERAMIC 0.022uF Q323 8-729-822-89 TRANSISTOR 2SD1667-R C357 1-104-665-11 ELECT 100uF Q334 8-729-195-23 TRANSISTOR 2SA952 C359 1-126-964-11 ELECT 10uF Q335 8-729-049-00 TRANSISTOR 2SA733P C360...
  • Page 48 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-161-474-00 CERAMIC 0.022uF C225 1-126-964-11 ELECT 10uF C226 1-126-964-11 ELECT 10uF 1-164-087-11 CERAMIC 0.0015uF 10% C241 1-126-964-11 ELECT 10uF 1-164-087-11 CERAMIC 0.0015uF 10% C242 1-164-085-11 CERAMIC...
  • Page 49 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CA313 1-164-090-11 CERAMIC 0.0047uF 10% < JACK > 1-694-568-11 TERMINAL, ANTENNA (EXT ANT FM 75 Ω) CA315 1-130-499-00 FILM 0.22uF CA337 1-164-670-11 CERAMIC 0.0012uF 5% JK301...
  • Page 50 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q328 8-729-900-99 TRANSISTOR DTC144ES R121 1-247-879-11 CARBON 100K 1/4W Q329 8-729-119-78 TRANSISTOR 2SC403SP-51 R122 1-247-843-11 CARBON 3.3K 1/4W Q330 8-729-119-78 TRANSISTOR 2SC403SP-51 Q333 8-729-902-80 TRANSISTOR DTA114YS R123...
  • Page 51 http://www.xiaoyu163.com MAIN MOTOR POWER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R340 1-249-417-11 CARBON 1/4W 1-676-294-11 MOTOR BOARD R343 1-247-855-11 CARBON 1/4W ************* R344 1-247-855-11 CARBON 1/4W R346 1-249-401-11 CARBON 1/4W <...
  • Page 52 http://www.xiaoyu163.com SPEAKER POWER TC RF 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSFORMER > < RESISTOR > 0 T501 1-435-496-11 TRANSFORMER, POWER R870 1-247-843-11 CARBON 3.3K 1/4W R871 1-249-427-11 CARBON 6.8K 1/4W **************************************************************...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-685-247-19 SCREW +KTP 3X10 TYPE2 NON-SLIT 7-685-863-09 SCREW +BVTT 2.6X8 (S) 7-685-873-09 SCREW +BVTT 3X10 (S) 7-685-873-04 SCREW +BVTT 3X10 (S) 7-621-772-00 SCREW +B 2X3 7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT 7-621-255-45 SCREW +P 2X6 7-685-160-01 SCREW +P 4X10 TYPE1...
  • Page 54 PMC-DR50 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 2000C0214-1 9-927-681-11 Personal Audio Division Company Printed in Japan © 2000.3 – 86 – Published by General Engineering Dept. http://www.xiaoyu163.com...

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