Sony HCD-RXD2 Service Manual
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Sony HCD-RXD2 Service Manual

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SERVICE MANUAL
HCD-RXD2 is the tuner , dec k, CD and
amplifier section in MHC-RXD2.
MICROFILM
HCD-RXD2
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Base Unit Type
SECTION
Optical Pick-up Type
TAPE
Model Name Using Similar Mechanism
DECK
Tape Transport Mechanism Type
SECTION
SPECIFICATIONS
MINI Hi-Fi COMPONENT SYSTEM
US Model
HCD-G101
CX3
KSM-213ECM
KSS-213ECM/C2NP
NEW
CWL-44-FF

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  • Page 1 HCD-RXD2 SERVICE MANUAL US Model HCD-RXD2 is the tuner , dec k, CD and amplifier section in MHC-RXD2. Model Name Using Similar Mechanism HCD-G101 CD Mechanism Type Base Unit Type KSM-213ECM SECTION Optical Pick-up Type KSS-213ECM/C2NP TAPE Model Name Using Similar Mechanism...

  • Page 2: Leakage Test

    COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. GENERAL ·········································································· 4 2. DISASSEMBLY 2-1. CD Door ············································································· 5 2-2. CD Mechanism Deck ························································· 6 2-3. Front Panel ········································································· 6 2-4. Main Board ········································································· 7 2-5. Front Board ········································································· 7 2-6. CD Tray ·············································································· 8 2-7.

  • Page 4: General

    SECTION 1 GENERAL 5 6 7 8 9 !º !¡ !™ !£ !¢ !∞ #™ #¡ !§ !¶ #º !• @ª !ª @• @º @¶ @¡ @™ @§ @∞ @¢ @£ 1/u (Power) button !¶ REC button and indicator !• TIMER SELECT button 6 OPEN/CLOSE button !ª...

  • Page 5: Disassembly

    SECTION 2 DISASSEMBLY CD DOOR CD MECHANISM DECK FRONT PANEL MAIN BOARD FRONT BOARD (Page 5) (Page 6) (Page 6) (Page 7) (Page 7) CASSETTE LID (L)/(R) CD TRAY BASE UNIT (Page 9) (Page 8) (Page 9) CD DECORD BOARD (Page 8) Note : Follow the disassembly procedure in the numerical order given.

  • Page 6: Cd Mechanism Deck

    2-2. CD MECHANISM DECK 6 CD mechanism deck 4 Flat type wire (CN09) 5 Harness (CN301) 2 Screw (+PTPWH 3 × 10) 3 Two screws (+BVTP 3 × 10) 1 Screw (+PTPWH 3 × 10) 3 Screw (+BVTP 3 × 10) 2-3.

  • Page 7: Main Board

    2-4. MAIN BOARD 3 Connector (CN203) 4 Connector (CN201) 2 Flat type wire (CN251) 5 Connector (CN202) 1 Harness (CN502) 8 MAIN board 7 Nylon rivet 6 Two screws (+KTP 3 × 8) 2-5. FRONT BOARD 4 Front board 5 Button (Release the two claws) !£...

  • Page 8: Cd Tray

    2-6. CD TRAY 1 Screw (+P 2.6 × 4) 2 Bracket 5 Flat type wire (CN06) 3 Screw (+P 2.6 × 4) 4 Bracket 6 CD tray 2-7. CD DECORD BOARD 1 Two screws (+BVTP 3 × 10) 6 Flat type wire (CN06) 5 Flat type wire (CN01) 7 CD decord board 8 Two screw...

  • Page 9: Base Unit

    2-8. BASE UNIT 4 Screw (+PTPWH 2.6 × 8) 2 Screw (+PTPWH 3 × 8) 3 UD-gear 5 UD-cam 7 Spring 6 Spring 8 Spring 1 Two screws (+KTP 3 × 8) 9 Base unit 2-9. CASSETTE LID (L) / (R) 1 Remove the cassette lids in the direction of arrow.

  • Page 10: Test Mode

    SECTION 3 TEST MODE Function Key combination Description CD service mode STOP + OPEN/CLOSE The message “CD S - -” is displayed on the screen. The sled is moved to the outer circumference Initialization while the FF button is pressed. Also, the SLED is moved to the STOP + POWER OFF All preset data is re-set to the initial inner (default) value.

  • Page 11: Mechanical Adjustments

    SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775V 1. Clean the following parts with a denatured alcohol-moistened Demagnetize the record/playback head with a head swab: demagnetizer. record/playback head pinch rollers Do not use a magnetized screwdriver for the adjustments. erase head rubber belts After the adjustments, apply suitable locking compound to the...
  • Page 12 Mode: Playback Tape Speed Adjustment (Deck A) test tape Procedure: SPEAKER P-4-A100 Mode: Playback terminal (JK501) (10kHz, –10dB) (L-CH) oscilloscope test tape WS-48B frequency counter (3kHz, 0dB) – SPEAKER SPEAKER terminal (JK501) terminal (JK501) (R-CH) Waveform of oscilloscope Adjust the SFR251 so that the frequency counter reads 3,000 Hz ±...
  • Page 13 TUNER SECTION 0 dB=1µV AM Tuning Voltage Adjustment DC voltmeter Main board – Procedure: Set the reception frequency of the unit to 530 kHz. Adjust L105 for 1.2 ± 0.05 V reading on the DC voltmeter. Set the reception frequency of the unit to 1,710 kHz. Confirm that the voltage reading on the DC voltmeter is within 8.0 ±...
  • Page 14 FM Tuned Level Adjustment FM RF SSG 75 Ω coaxial Carrier frequency : 98 MHz Modulation : AUDIO 1 kHz, 75 kHz FM ANTENNA terminal deviation (100%) (JK101) Output level : 28 dB (at 75 W open) Procedure: Supply a 28 dB 98 MHz signal from the ANTENNA terminal. Tune the set to 98 MHz.
  • Page 15 CD SECTION Note: CD Block is basically constructed to operate without adjustment. Therefore, check each item in order given. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. Use an oscilloscope with more than 10MΩ impedance. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.

  • Page 16: Diagrams

    SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION SW (B) board SW (D) board MOTOR (6P) (S) board TR board SW (C) board MOTOR board SW (A) board CD DECORD board SENSOR board MAIN board H/P SUPPLY board AC SUPPLY board VR SWITCH board FRONT board —...

  • Page 17: Block Diagrams

    HCD-RXD2 6-2. BLOCK DIAGRAMS — TUNER, CD SECTION — FM/AM MPX FM FRONT END IC102 FE101 T101 Q101 CF101 CF102 TU L 10.7MHz RF IF 10.7MHz FM IF AM/FM MUTE DECODER 75Ω IF BUFF R CH JK101 ANTENNA Q117 CF104...

  • Page 18: Main Section

    HCD-RXD2 — MAIN SECTION — CD L LINE AMP POWER AMP REC/PB IC301 IC501 EQ AMP SECTION IC201 CD (L) VOL OUT Q551 PB OUT R CH JK502 TAPE A MUTE TAPE (L) PHONES Q553 Q572 HP901 MUTE MUTE HEAD...
  • Page 19 HCD-RXD2 • WAVEFORM THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this necessary note is printed in each — BD SECTION — — PANEL SECTION — block.) IC101 #£ (PLAY MODE) IC601 $º (X' TAL) IC702 $ª...

  • Page 20: Printed Wiring Board - Cd Decoder Section

    HCD-RXD2 • Refer to page 16 for Circuit Boards Location. 6-3.PRINTED WIRING BOARD — CD DECODER SECTION — • Semiconductor Location SW (D) BOARD SW (C) BOARD Ref. No. Location D703 CN16 D707 MOTOR BOARD SW (B) BOARD D708 D797A...
  • Page 21 HCD-RXD2 6-4.SCHEMATIC DIAGRAM — CD DECORDER SECTION — • Refer to page 22 for Waveforms. • Refer to page 43 for IC Block Diagrams. The components identified by mark ! or dotted line with mark ! are critical for safety.

  • Page 22: Printed Wiring Board - Front Section

    HCD-RXD2 • Refer to page 16 for Circuit Boards Location. 6-5.PRINTED WIRING BOARD — FRONT SECTION — SENSOR BOARD C600 RM601 FRONT BOARD RA602 RA603 RA601 (11) CN604 1-674-549- RA604 FLD601 S604 DISPLAY /DEMO S602 R634 Q608 CLOCK D616 TIMER SET...

  • Page 23: Schematic Diagram - Front Section

    HCD-RXD2 6-6.SCHEMATIC DIAGRAM — FRONT SECTION — • Refer to page 22 for Waveforms. • Refer to page 41 for IC Pin Functions. • Refer to page 47 for IC Block Diagram. — 29 — — 30 —...

  • Page 24: Printed Wiring Board - Main Section

    HCD-RXD2 6-7.PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 16 for Circuit Boards Location. TO CD DECORD BOARD MAIN BOARD CN704 (SEE PAGE 23) C196 C197 R143 D102 Q114 R142 D101 R141 JK101 C318 C157 ANTENNA IC103...

  • Page 25: Schematic Diagram -Main (1/4) Section

    HCD-RXD2 6-8.SCHEMATIC DIAGRAM —MAIN (1/4) SECTION — • Refer to page 45 for IC Block Diagrams. — 33 — — 34 —...

  • Page 26: Schematic Diagram - Main (2/4) Section

    HCD-RXD2 6-9.SCHEMATIC DIAGRAM — MAIN (2/4) SECTION — • Refer to page 45,46 for IC Block Diagrams. • Refer to page 31 for Printed Wiring Board. — 35 — — 36 —...

  • Page 27: Schematic Diagram - Main (3/4) Section

    HCD-RXD2 6-10.SCHEMATIC DIAGRAM — MAIN (3/4) SECTION — • Refer to page 46 for IC Block Diagrams. • Refer to page 31 for Printed Wiring Board. — 37 — — 38 —...

  • Page 28: Schematic Diagram - Main (4/4) Section

    HCD-RXD2 6-11.SCHEMATIC DIAGRAM — MAIN (4/4) SECTION — • Refer to page 31 for Printed Wiring Board. The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. — 39 —...

  • Page 29: Ic Pin Function

    6-12. IC PIN FUNCTION IC601 CXP82032-107Q(SYSTEM CONTROL) FRONT BOARD Pin No. Pin Name Description 2G,1G FLD grid output. — Not used. SCOR CXD2589Q SCOR input. COUNT CXD2589Q COUNT input. POWER DOWN IN Power data input. FOK input. REMOTE IN Remote signal input. DATA IN Data input.(DECK secton) S/L output.(DECK secton)
  • Page 30 Pin No. Pin Name Description TRAY C. SW Tray close switch signal input. VR UP Volume up signal input. VR DN Volume down signal input. CD ENCODER IN A Not used. CD ENCODER IN B Not used. SURROUND OUT Not used. DBFB NOR&HI OUT Not used.

  • Page 31: Ic Block Diagrams

    6-13. IC BLOCK DIAGRAMS — CD DECORD BOARD — IC701 CXA1992BR 33 32 31 30 PD 2 PD 1 I-V AMP I-V AMP RF SUMMING FOCUS OK COMPARATOR LASER POWER CONTROL IFB1 – IFB6 PEAK/BOTTOM MIRR HOLD COMPARATOR ↓ DEFECT PEAK/BOTTOM BIAS HOLD...
  • Page 32 IC702 CXD2589Q 25 26 47 49 54 56 50 39 41 55 40 42 44 62 TES1 TEST XRST Clock Error Generator RMUT Corrector LMUT Serial In demoduretor Interface Interface ASYI XTAI Asymmetry Timing ASYO Corrector XTAO Logic BIAS Over Sampling Digital Filter XPCK FILO...
  • Page 33 — MAIN BOARD — IC103 LC72131 PHASE DETECTOR CHARGE PUMP POWER REFERENCE UNLOCK DIVIDER DETECTOR RESET SWALLOW COUNTER 1/16, 1/17 4BITS 12BITS PROGRAMMABLE DRIVER UNIVERSAL DATA SHIFT REGISTER LATCH INTERFACE COUNTER 2 3 4 5 6 7 8 9 IC201 TA8189N METAL TAPE A...
  • Page 34 IC252 74HC165 PARALLEL INPUTS CLOCK SERIAL OUTPUT INHIBIT INPUT CLOCK SERIAL INHIBIT SHIFT/ LOAD SHIFT/ CLOCK OUTPUT LOAD PARALLEL INPUTS IC301 M62439SP REC OUT2 INA2 INB2 INC2 IND2 TONEH2 TONEL2 OUT2 CONT CONTROL LOGIC REC OUT1 INA1 INB1 INC1 IND1 TONEH1 TONEL1 OUT1...

  • Page 35: Exploded Views

    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 ! or have some differences from the original one. in the exploded views are not supplied. dotted line with mark ! are critical for safety.

  • Page 36: Front Panel Section

    7-2. FRONT PANEL SECTION 81 82 Supplied with VR601 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-220-592-01 WINDOW (L), CASSETTE 4-220-612-01 BUTTON, ENTER/NEXT 4-220-593-01 WINDOW (R), CASSETTE 4-220-613-01 BUTTON, REC 4-220-626-01 HOLDER (L), CASSETTE 4-220-610-01 BUTTON, DISC 4-220-627-01 HOLDER (R), CASSETTE 4-220-608-01 BUTTON, TUNER 4-220-623-01 SPRING (L), DOOR...

  • Page 37: Cd Mechanism Deck Section-1

    7-3. CD MECHANISM DECK SECTION-1 M103 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-674-792-11 MOTOR BOARD 4-992-183-01 SCREW, RELAY GEAR (B) 4-221-891-01 BASE CHANGER 4-992-174-01 GEAR, CHANGE 4-221-895-01 SHEET, BLIND 4-992-184-01 WASHER, CHANGE GEAR 4-221-896-01 LEVER, SENSOR (SW) 4-992-176-01 SPRING, CHANGE GEAR 4-992-182-01 SPRING, SENSOR (SW) LEVER 4-992-185-01 WASHER, CHANGE PLATE...

  • Page 38: Cd Mechanism Deck Section-2

    7-4. CD MECHANISM DECK SECTION-2 not supplied not supplied M104 Base unit block Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-769-856-11 WIRE (FLAT TYPE) (5 CORE) 1-674-791-11 SW (D) BOARD 4-221-897-01 UD-CAM 1-674-790-11 SW (C) BOARD 4-992-191-01 UD-GEAR 4-992-194-01 CLAMP 4-992-195-01 MAGNET...

  • Page 39: Base Unit Section (Ksm-213Ecm)

    7-5. BASE UNIT SECTION (KSM-213ECM) not supplied M101 M102 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-992-164-01 BASE, KSM MECHANICAL 2-627-003-02 GEAR (B) 4-992-165-01 DAMPER (GREEN) 1-639-678-12 MOTOR (6P)(S) BOARD 4-992-166-01 DAMPER (RED) 1-783-740-11 WIRE (FLAT TYPE) 4-992-167-01 SPRING, MECHANICAL BASE ! 211 8-820-054-03 OPTICAL PICK-UP KSS-213ECM/C2NP...

  • Page 40: Electrical Parts List

    AC SUPPLY SECTION 8 ELECTRICAL PARTS LIST CD DECORD NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
  • Page 41 CD DECORD Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C787 1-162-294-31 CERAMIC 0.001uF R715 1-249-439-11 CARBON 1/4W C788 1-162-294-31 CERAMIC 0.001uF R716 1-249-439-11 CARBON 1/4W C789 1-161-494-00 CERAMIC 0.022uF R717 1-249-439-11 CARBON 1/4W C790 1-126-927-11 ELECT 2200uF R718 1-247-879-11 CARBON...
  • Page 42 CD DECORD FRONT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R778L 1-247-847-11 CARBON 4.7K 1/4W C628 1-162-294-31 CERAMIC 0.001uF R778R 1-247-847-11 CARBON 4.7K 1/4W C629 1-162-294-31 CERAMIC 0.001uF R779 1-247-839-11 CARBON 2.2K 1/4W C630 1-162-294-31 CERAMIC 0.001uF R780 1-247-839-11 CARBON...
  • Page 43 FRONT H/P SUPPLY MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R621 1-249-417-11 CARBON 1/4W F S606 1-572-647-11 SWITCH, KEY BOARD (DBFB) R622 1-249-417-11 CARBON 1/4W F S607 1-572-647-11 SWITCH, KEY BOARD (+, )) R623 1-249-417-11 CARBON 1/4W F S608...
  • Page 44 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C125 1-126-960-11 ELECT C214 1-126-960-11 ELECT C126 1-161-494-00 CERAMIC 0.022uF C215 1-162-303-11 CERAMIC 0.0033uF 30% C127 1-126-964-11 ELECT 10uF C216 1-162-303-11 CERAMIC 0.0033uF 30% C128 1-161-494-00 CERAMIC 0.022uF C217 1-126-933-11 ELECT...
  • Page 45 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C356 1-126-962-11 ELECT 3.3uF C733 1-126-933-11 ELECT 100uF C357 1-126-933-11 ELECT 100uF C734 1-162-286-31 CERAMIC 220PF C501 1-162-290-31 CERAMIC 470PF C735 1-104-665-11 ELECT 100uF C502 1-162-290-31 CERAMIC 470PF C741 1-104-664-11 ELECT...
  • Page 46 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q281 8-729-194-57 TRANSISTOR 2SC945-P D711 8-719-200-02 DIODE 10E2 Q282 8-729-194-57 TRANSISTOR 2SC945-P D715 8-719-991-33 DIODE 1SS133T-77 Q291 8-729-142-46 TRANSISTOR 2SC2001-LK D720 8-719-991-33 DIODE 1SS133T-77 Q292 8-729-119-76 TRANSISTOR 2SA1175-HFE D751 8-719-109-93 DIODE RD6.2ESB2 Q293...
  • Page 47 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R141 1-249-417-11 CARBON 1/4W F R254 1-247-847-11 CARBON 4.7K 1/4W R142 1-249-417-11 CARBON 1/4W F R255 1-249-417-11 CARBON 1/4W F R143 1-249-417-11 CARBON 1/4W F R256 1-249-417-11 CARBON 1/4W F R144 1-249-411-11 CARBON...
  • Page 48 MAIN MOTOR MOTOR (6P) (S) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R321 1-247-839-11 CARBON 2.2K 1/4W R707 1-215-863-11 METAL OXIDE R322 1-247-839-11 CARBON 2.2K 1/4W R708 1-249-413-11 CARBON 1/4W F R323 1-247-855-11 CARBON 1/4W R709 1-247-847-11 CARBON 4.7K...
  • Page 49 SENSOR SW (A) SW (B) SW (C) SW (D) VR SWITCH Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-674-549-11 SENSOR BOARD MISCELLANEOUS ************* ************* < CAPACITOR > 1-783-531-51 CORD, POWER 1-783-579-11 WIRE (FRAT TYPE) (16 CORE) C600 1-126-964-11 ELECT 10uF...
  • Page 50 HCD-RXD2 Sony Corporation 99D1619-1D Printed in Japan ©1999.4 Home A&V Products Company 9-928-883-11 Published by Quality Assurance Dept. — 62 — (Shinagawa)

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