Sony HCD-R500 Service Manual
Sony HCD-R500 Service Manual

Sony HCD-R500 Service Manual

Mini hi-fi component system

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SERVICE MANUAL
HCD-R500/RX55 is the tuner, deck, CD and
amplifier section in MHC-R500/RX55.
Amplifier section
North American model
Continuous RMS power output
50 W + 50 W (6
Other models
The following measured at AC 110, 220 V 60 Hz;
DIN power output (Rated) 35 W + 35 W (6
Continuous RMS power output (Reference)
45 W + 45W (6
The following measured at AC 120, 240 V 60 Hz;
DIN power output (Rated) 40 W + 40 W (6
Continuous RMS power output (Reference)
50 W + 50W (6
Peak music power output (Reference)
600 W
Inputs
MD IN (phone jacks) : voltage 450 mV, impedance 47 k
Outputs
MD OUT (phone jacks) :
PHONES (stereo phone jack) :
accepts headphones of 8
SPEAKER :
accepts impedance of 6 to 16
MICROFILM
HCD-R500/RX55
Photo : HCD-RX55
CD
SECTION
TAPE DECK
SECTION
SPECIFICATIONS
at 1 kHz, 10% THD)
at 1 kHz, DIN)
at 1 kHz, 10% THD)
at 1 kHz, DIN)
at 1 kHz, 10% THD)
voltage 250 mV, impedance 1 k
or more
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
Model Name Using Similar Mechanism
Tape Transpor Mechanism Type
CD player section
System
Compact disc and digital audio system
Laser
Semiconductor laser ( = 780 nm)
Emission duration: continuous
Laser output
Max. 44.6 µW*
*This output is the value measured at a
distance of 200 mm from the objective
lens surface on the Optical Pick-up Block
with 7 mm aperture.
Frequency response
20 Hz – 20 kHz (± 0.5 dB)
Wavelength
780 – 790 nm
DIGITAL OUT (OPTICAL)
(Square optical connector jack, rear panel)
Wavelength
600 nm
Output Level
–18 dBm
Tape deck section
Recording system
4 -track 2 -channel stereo
Frequency response
40 – 13,000 Hz (± 3dB), using Sony
TYPE cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
MINI Hi-Fi COMPONENT SYSTEM
AEP Model
UK Model
HCD-G101
CX3
KSM-213BCM
KSS-213B/S-N
NEW
CWB44RR10
— Continued on next page —

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Summary of Contents for Sony HCD-R500

  • Page 1 HCD-R500/RX55 SERVICE MANUAL AEP Model UK Model HCD-R500/RX55 is the tuner, deck, CD and amplifier section in MHC-R500/RX55. Photo : HCD-RX55 Model Name Using Similar Mechanism HCD-G101 CD Mechanism Type Base Unit Type KSM-213BCM SECTION Optical Pick-up Type KSS-213B/S-N Model Name Using Similar Mechanism...
  • Page 2 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. Upper Cover and CD Door ..........5 2-2. Front Panel ................. 5 2-3. Main Board ................. 6 2-4. Amp Board ................. 6 2-5. CD Tray ................7 2-6. CD Decoder Board ............. 7 2-7.
  • Page 4: General

    SECTION 1 GENERAL LOCATION OF PARTS AND CONTROLS #¡ #º @ª @• @¶ @§ @∞ !¡ @¢ !™ @£ !£ @™ !¢ @¡ !∞ @º !§ !ª !• !¶ !¶ DISC 1 button JOG DIAL !• π (STOP) button DISC 2 button !ª...
  • Page 5: Disassembly

    SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. UPPER COVER AND CD DOOR 4 Upper cover 6 CD door 3 Seven screws 2 Three screws claws 1 Three srews 5 Pull out the CD tray and remove the CD door with releasing craws into the directioin of arrow.
  • Page 6: Main Board

    2-3. MAIN BOARD 1 Five screws 4 Harness (CN08) 5 MAIN board 3 Harness (CN302) 2 Harness (CN701) 2-4. AMP BOARD 4 Three screws 1 Two screws 5 AMP board 2 Three screws 3 Three screws — 6 —...
  • Page 7: Cd Tray

    2-5. CD TRAY 1 Screw 2 Bracket 5 Flat type wire (CN06) 3 Screw 4 Bracket 6 CD tray 2-6. CD DECODER BOARD 3 Flat cable 2 Two screws 6 CD decoder board 4 Flat cable claws 5 Connector 1 Two screws —...
  • Page 8: Base Unit

    2-7. BASE UNIT 4 Screw 2 Screw 3 UD-gear 5 UD-Cam 7 Spring 6 Spring 8 Spring 1 Two screws 9 Base unit 2-8. CASSETTE DOOR Cassette door (Note: Four claws are used.) — 8 —...
  • Page 9: Mechanical Adjustments

    SECTION 3 SECTION 4 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS DECK SECTION 0 dB=0.775V Precaution 1. Clean the following parts with a denatured alcohol-moistened Demagnetize the record/playback head with a head swab: damagnetizer. 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 10 Turn the adjustment screw and check output peaks. If the peaks After the adjustments, apply suitable locking compound to the do not match for L-CH and R-CH, turn the adjustment screw parts adjusted. so that outputs match within 2 dB of peak. Adjustment Location: L-CH peak...
  • Page 11 TUNER SECTION 0 dB=1µV MW Tuning Voltage Adjustment Main board DC voltmeter – Procedure: Set the reception frequency of the unit to 531 kHz. Adjust L105 for 1.2 ± 0.05 V reading on the DC voltmeter. Set the reception frequency of the unit to 1,602 kHz. Confirm that the voltage reading on the DC voltmeter is within 8.0 ±...
  • Page 12 FM Tuned Level Adjustment FM RF SSG coaxial Carrier frequency : 98 MHz FM ANTENNA terminal Modulation : AUDIO 1 kHz, 75 kHz (JK101) deviation (100%) Output level : 28 dB (at 75 open) Procedure: Supply a 28 dB 98 MHz signal from the ANTENNA terminal. Tune the set to 98 MHz.
  • Page 13 RF Level Check CD SECTION oscilloscope CD DECODER board Note: CD Block is basically constructed to operate without TP (RF) adjustment. Therefore, check each item in order given. CN12 (VC) Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. Use an oscilloscope with more than 10M impedance. Clean the object lens by an applicator with neutral detergent Procedure : when the signal level is low than specified value with the...
  • Page 14: Diagrams

    SECTION 5 DIAGRAMS 5-1. CIRCUIT BOARDS LOCATION SW (B) board SW (D) board MOTOR (6P) (S) board SW (C) board MOTOR board MAIN board CD BUTTON board SW (A) board PANEL board CD DECODER board FUSE board AMP board VOLUME board DECK board —...
  • Page 15: Block Diagrams

    HCD-R500/RX55 5-2. BLOCK DIAGRAMS — DECK SECTION — SELECTOR IC301 JK301 LINE AMP IC303 HP AMP MD L IC401 IC302 (1/2) R CH LINE JK303 OUT L Q408 PHONES REC/PB MUTE Q301 EQ AMP IC201 Q404 Q417 POWER AMP +12V...
  • Page 16: Cd Section

    HCD-R500/RX55 — TUNER/CD SECTION — FM/AM MPX FM FRONT END IC102 L101 FE101 FM ANT Q101 CF101 CF102 TU L 10.7MHz RF IF 10.7MHz FM IF AM/FM MUTE DECODER IF BUFF R CH JK101 ANTENNA Q117 CF104 FM DET MUTE 10.7MHz...
  • Page 17: Ic Block Diagrams

    5-3. IC BLOCK DIAGRAMS IC03 (CD DECORD BOARD) BA5941FP – – + – – + – – LEVEL SHIFT – LEVEL SHIFT LEVEL SHIFT – LEVEL SHIFT – – + – – + – MUTE IC02 (CD DECORD BOARD) TC9173P DRIVER SERIAL I/O MUTE...
  • Page 18 IC01 (CD DECORD BOARD) CXA1782BQ – LEVELS 24 SENS – MIRR RF IV AMP1 DFCT 23 C. OUT – 22 XRST RF IV AMP2 21 DATA FE BIAS • IIL DATA RESISTOR • INPUT SHIFT RESISTOR • ADDRESS DECODER 20 XLT •...
  • Page 19 IC201 (MAIN BOARD) TA8189N METAL TAPE A CH2/A CH2/B /TAPE B – – VREF1 IREF VREF2 – – CH1/A CH1/B METAL GND1 IC301 (MAIN BOARD) LC75392 LVROUT RVROUT LVRIN RVRIN LTOUT RTOUT – – – LTCOM RTCOM LATCH DECODER SHIFT REGISTER VREF CONTROL...
  • Page 20 IC101 (MAIN BOARD) LA1186 IC603 (PANEL BOARD) BU2114 RF IN BYPAS VREF MIX IN SHIFT REGISTER LATCH LATCH SOUT ENABLE IC602 (PANEL BOARD) BU2092 16 15 14 13 12 11 12 BIT CONTROL SHIFT CIRCUIT REGISTER OUTPUT 12 BIT BUFFER STORAGE (OPEN DRAIN) REGISTER...
  • Page 21: Ic Pin Function

    5-13. IC PIN FUNCTION IC601 µPD780205FG (SYSTEM CONTROL) / PANEL BOARD Pin No. Pin Name Description — POWER OUT Power switch output. ON: H, OFF: L S. MUTE OUT System mute output. ON: H, OFF: L TU. MUTE OUT Tuner mute output. ON: H, OFF: L TUNED OUT Surround output.
  • Page 22 Pin No. Pin Name Description SENS Input from CXD2508A SENS Input from CXD2508A FOK. OK: H, Others: L COUNT Input from CXD2508A COUNT — Ground PIC UP Input from CD mechanism pick up switch. Up: L, Others: H PIC DOWN Input from CD mechanism pick down switch.
  • Page 23: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number When indicating parts by reference number, have some differences from the original one. in the exploded views are not supplied. please include the board name.
  • Page 24: Front Panel Section

    4-210-574-01 WASHER (9Q), VOLUME 4-210-592-01 WINDOW, DISPLAY 4-210-578-01 SPRING, EJECT LEVER 4-210-581-01 HOLDER, CD BUTTON 4-210-575-01 LEVER, EJECT 4-962-708-01 EMBLEM (4-A), SONY 4-210-573-01 HOLDER, EJECT 4-992-131-01 DAMPER (GRY), GEAR 4-211-427-01 PANEL (A), FRONT(R500) 4-211-428-01 BUTTON, POWER (R500) 4-210-551-01 PANEL (A), FRONT (RX55)
  • Page 25: Cassette Mechanism Deck Section

    6-3. CASSETTE MECHANISM DECK SECTION (CWB44RR10) not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-759-633-11 DECK, MECHANICAL 9-880-890-01 PLUNGER 9-880-883-01 HOLDER HEAD ASSY 9-880-891-01 MODE SW 9-880-884-01 FRAME HEAD...
  • Page 26: Cd Mechanism Deck Section 1

    6-4. CD MECHANISM DECK SECTION 1 (CX3) M103 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 201 1-670-801-11 MOTOR BOARD 4-992-183-01 SCREW, RELAY GEAR (B) 3-669-480-11 + PTPWH 2 4-992-174-01 GEAR, CHANGE 4-992-168-01 TRAY, CHANGER BASE 4-992-184-01 WASHER, CHANGE GEAR 4-992-180-01 PLATE, BLIND 4-992-176-01 SPRING, CHANGE GEAR...
  • Page 27: Cd Mechanism Deck Section 2

    6-5. CD MECHANISM DECK SECTION 2 (CX3) 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) 4-992-192-01 SPRING, BRAKE CAM 4-992-190-01 UD-CAM 4-992-193-01 LEVER, SW 4-992-191-01 UD-GEAR * 263 1-670-800-11 SW (D) BOARD...
  • Page 28: Base Unit Section (Ksm-213Bcm)

    6-6. BASE UNIT SECTION (KSM-213BCM) not supplied M102 M101 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) ! 308 8-848-379-31 OPTICAL PICK-UP KSS-213B/S-N 4-992-166-01 DAMPER (RED) * 309 1-639-678-12 MOTOR (6P)(S) BOARD 4-992-167-01 SPRING, MECHANICAL BASE...
  • Page 29: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST NOTE: • 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. please include the board name. specified in the diagrams or the components METAL: metal-film resistor The components identified by mark ! or used on the set.
  • Page 30 CD BUTTON CD DECODER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TERMINAL > < RELAY > JK703 1-694-443-11 TERMINAL BOARD RL701 1-515-921-11 RELAY (12V) ************************************************************ < TRANSISTOR > 1-670-443-11 CD BUTTON BOARD Q701 8-729-188-23 TRANSISTOR 2SD882-P **************** Q702 8-729-188-23 TRANSISTOR 2SD882-P...
  • Page 31 CD DECODER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-126-933-11 ELECT 100uF < COIL > C30A 1-164-159-11 CERAMIC 0.1uF 1-162-600-11 CERAMIC 0.0047uF 30% 1-410-509-11 INDUCTOR 10uH 1-162-301-11 CERAMIC 0.0015uF 30% 1-162-306-11 CERAMIC 0.01uF < TRANSISTOR > 1-162-286-31 CERAMIC 220PF 8-729-195-23 TRANSISTOR 2SA952...
  • Page 32 CD DECODER DECK Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-249-427-11 CARBON 6.8K 1/4W F C211 1-161-054-00 CERAMIC 0.018uF 1-249-442-11 CARBON 1/4W C212 1-161-054-00 CERAMIC 0.018uF 1-247-903-00 CARBON 1/4W C213 1-126-960-11 ELECT 1-247-855-11 CARBON 1/4W C214 1-126-960-11 ELECT 1-247-855-11 CARBON...
  • Page 33 DECK Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R233 1-247-863-11 CARBON 1/4W R234 1-247-863-11 CARBON 1/4W L251 1-416-771-11 COIL (BIAS) R235 1-247-847-11 CARBON 4.7K 1/4W R236 1-247-847-11 CARBON 4.7K 1/4W < TRANSISTOR > R239 1-249-381-11 CARBON 1/4W F...
  • Page 34 FUSE MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-670-445-11 FUSE BOARD C150 1-164-159-11 CERAMIC 0.1uF C151 1-128-551-11 ELECT 22uF *********** C152 1-162-294-31 CERAMIC 0.001uF 1-533-293-11 FUSE HOLDER C154 1-162-294-31 CERAMIC 0.001uF C155 1-162-294-31 CERAMIC 0.001uF <...
  • Page 35 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C328 1-126-934-11 ELECT 220uF C415 1-161-494-00 CERAMIC 0.022uF C329 1-162-282-31 CERAMIC 100PF C416 1-161-494-00 CERAMIC 0.022uF C330 1-162-282-31 CERAMIC 100PF C417 1-126-933-11 ELECT 100uF C331 1-126-960-11 ELECT C418 1-126-933-11 ELECT 100uF...
  • Page 36 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > Q410 8-729-422-57 TRANSISTOR UN4111 Q415 8-729-993-43 TRANSISTOR 2SA934R IC102 8-759-801-96 IC LA1186 Q416 8-729-194-57 TRANSISTOR 2SC945-P IC103 8-759-820-53 IC LA1145M Q417 8-729-029-72 TRANSISTOR DTC114YS IC301 8-759-473-59 IC LC75392 IC302...
  • Page 37 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R302 1-249-434-11 CARBON 1/4W R369 1-247-847-11 CARBON 4.7K 1/4W R303 1-247-847-11 CARBON 4.7K 1/4W R370 1-247-883-00 CARBON 150K 1/4W R304 1-247-847-11 CARBON 4.7K 1/4W R371 1-247-883-00 CARBON 150K 1/4W R305...
  • Page 38 MOTOR (6P)(S) PANEL MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < ADJ > < CONNECTOR > SFR101 1-228-995-00 RES, ADJ, METAL 22K CN601 1-770-331-11 CONNECTOR, D-SUB (11W1) CN602 1-568-861-11 SOCKET, CONNECTOR 18P < TRANSFORMER > CN602 8-719-031-85 DIODE 1N4002L T102...
  • Page 39 PANEL SENSOR SW (A) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q611 8-729-900-63 TRANSISTOR DTA124ES R662 1-249-420-11 CARBON 1.8K 1/4W F Q612 8-729-900-63 TRANSISTOR DTA124ES R663 1-247-718-11 CARBON 2.7K 1/4W F Q613 8-729-900-63 TRANSISTOR DTA124ES R664 1-247-720-11 CARBON 3.9K...
  • Page 40 HCD-R500/RX55 SW (B) SW (C) SW (D) VOLUME Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-670-798-11 SW (B) BOARD ACCESSORIES & PACKING MATERIALS ************* ******************************** < SWITCH > 1-475-827-11 REMOTE COMMANDER (RM-SG7) 1-475-828-11 REMOTE COMMANDER (RM-SG7B)
  • Page 41 HCD-R500/RX55 PARTS LIST Page INCORRECT CORRECT Ref. No. Part No. Description Remarks Part No. Description Remarks AEP Model 1-126-963-11 ELECT 4.7uF ––––––––––– –––––––––––––––––––––– C04B ––––––––––– –––––––––––––––––––––– 1-126-925-11 ELECT 470uF UK Model C07A 1-162-199-31 CERAMIC 10PF 1-162-201-31 CERAMIC 12PF 1-161-494-00 CERAMIC 0.022uF...
  • Page 42 : Indicates corrected portion (ADDED) (DELETED) (DELETED) (ADDED) (DELETED) (DELETED) (ADDED) — 3 — — 4 —...

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