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HCD-GRX2/RX33

US Model

Canadian Model

HCD-RX33

E Model

Australian Model

HCD-GRX2

SERVICE MANUAL

MINI Hi-Fi COMPONENT SYSTEM

MICROFILM

HCD-GRX2/RX33 is the tuner, deck, CD
and amplifier section in MHC-GRX2/RX33.

— Continued on next page —

SPECIFICATIONS

Model Name Using Similar Mechanism

HCD-G101

CD Mechanism Type

CX3

Base Unit Type

KSM-213BCM

Optical Pick-up Type

KSS-213B/S-N

Model Name Using Similar Mechanism

HCD-G101

DECK-A

TK20FX-SW943-800

DECK-B

TK20FX-SW943-800

CD

SECTION

TAPE

DECK

SECTION

Tape Transport
Mechanism Type

AUDIO POWER SPECIFICATIONS:
(U.S.A. model only)

POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
with 6 

 loads both channels driven, from 70 – 20,000 Hz; rated 25 W per

channel minimum RMS power, with no more than 0.9% total harmonic
distortion from 250 mW to rated output.

Amplifier section

North American model

Continuous RMS power output

35 W + 35 W (6 

 at 1 kHz, 10% THD)

Other models

The following measured at AC 110, 220 V 60 Hz;
DIN power output (Rated) 25 W + 25 W (6 

 at 1 kHz, DIN)

Continuous RMS power output (Reference)

30 W + 30W (6 

 at 1 kHz, 10% THD)

The following measured at AC 120, 240 V 60 Hz;
DIN power output (Rated) 30 W + 30 W (6 

 at 1 kHz, DIN)

Continuous RMS power output (Reference)

35 W + 35W (6 

 at 1 kHz, 10% THD)

Peak music power output (Reference)

400 W

Outputs

PHONES (stereo phone jack) :

accepts headphones of 8 

 or more

SPEAKER :

accepts impedance of 6 to 16 

CD player section

System

Compact disc and digital audio system

Laser

Semiconductor laser (

λ

 = 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

Tape deck section

Recording system

4 -track 2 -channel stereo

Frequency response

60 – 13,000 Hz (± 3dB), using Sony
TYPE 

Ι

 cassette

Photo : HCD-GRX2

Summary of Contents for HCD-GRX2

Page 1: ...inuous RMS power output 35 W 35 W 6 Ω at 1 kHz 10 THD Other models The following measured at AC 110 220 V 60 Hz DIN power output Rated 25 W 25 W 6 Ω at 1 kHz DIN Continuous RMS power output Reference 30 W 30W 6 Ω at 1 kHz 10 THD The following measured at AC 120 240 V 60 Hz DIN power output Rated 30 W 30 W 6 Ω at 1 kHz DIN Continuous RMS power output Reference 35 W 35W 6 Ω at 1 kHz 10 THD Peak musi...

Page 2: ...flective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emission observe from more than 30 cm away from the objective lens SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINEWITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS...

Page 3: ...SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set 0 15 µF 1 5 kΩ AC Voltmeter 0 75 V Earth Ground Fig A Using an AC voltmeter to check AC leakage TABLE OF CONTENTS 1 GENERAL 4 2 DISASSEMBLY 2 1 CD Door 5 2 2 CD Mechanism Deck 5 2 3 Front Panel 6 2 4 Main Board and H P ...

Page 4: ...on TIMER ON OFF button DISPLAY DEMO TUNER BAND play pause button ENTER NEXT button CD AMS TUNER PRESET TIMER SET buttons FILE SELECT I u POWER button ª TUNER MEMORY REPEAT button º EDIT button STEREO M NO PLAY MODE button TAPE button π STOP button 0 CD TUNER button PHONES jack Deck A PLAY REC Deck B PLAY Tape operaying buttons r recording play 0 fast rening fast forward p 6 stop eject P pause 7 1 ...

Page 5: ...leasing claws into the direction of arrow 2 CD door 2 1 CD DOOR Note Follow the disassembly procedure in the numerical order given 6 CD mechanism deck 1 Two screws B 3 8 3 Two screws BVTP 3 10 2 Screw PTPWH 3 10 2 Screw PTPWH 3 10 4 Flat type wire CN09 5 Harness CN302 2 2 CD MECHANISM DECK ...

Page 6: ... Screw PTPWH 3 10 8 Screw BVTP 3 10 2 Three screws BVTP 3 10 1 Connector CN401 9 Front panel HOW TO SET THE POWER CORD power cord 1 Harness CN303 8 H P board 2 Harness CN204 3 Connector 4 Connector CN202 5 Connector CN201 7 MAIN board 6 Two screws KTP 3 8 Craw 2 3 FRONT PANEL 2 4 MAIN BOARD AND H P BOARD ...

Page 7: ...6 3 Screw P 2 6 4 6 CD tray 1 Two screws BVTP 3 10 2 Two screws BVTP 3 10 Two craws 7 CD DECODER board 3 Belt 6 Flat type wire CN06 5 Flat type wire CN01 4 Connector CN05 º Connector CN03 8 Two screw BVTP 3 10 9 Sheet Craw Craw 2 5 CD TRAY 2 6 CD DECODER BOARD ...

Page 8: ...Screw PTPWH 2 6 8 3 UD gear 4 Screw PTPWH 2 6 8 5 UD Cam 8 Spring 7 Spring 6 Spring 1 Two screws KTP 3 8 9 Base unit Four craws Four craws 2 Cassette lid R 1 Cassette lid L 2 7 BASE UNIT 2 8 CASSETTE LID L R ...

Page 9: ...4 ELECTRICAL ADJUSTMENTS 1 Demagnetize the record playback head with a head damagnetizer 2 Do not use a magnetized screwdriver for the adjustments 3 After the adjustments apply suitable locking compound to the parts adjusted 4 The adjustments should be performed with the rated power supply voltage unless otherwise noted 5 The adjustments should be performed in the order given in this service manua...

Page 10: ...ode Playback 2 Adjust the SFR201 so that the frequency counter reads 3 000 Hz 90Hz Adjustment Location MAIN board Sample Value of Wow and flutter W RMS JIS within 0 3 test tape WS 48B MAIN BOARD Component side CN204 L CH peak R CH peak screw position output level within 2dB within 2dB L CH peak screw position R CH peak test tape P 4 A100 10kHz 10dB SPEAKER terminal JK501 L CH set L R oscilloscope ...

Page 11: ...2 so that when the waveform on the oscilloscope is maximum no noise appears Repeat the procedures in each adjustment several times and the tracking adjustment should be finally done by the trimmer capacitors Adjustment Location MAIN board See page 12 FM Tuning Voltage Adjustment DC voltmeter Procedure 1 Set the reception frequency of the unit to 87 5 MHz 2 Adjust L103 for 1 2 0 05V reading on the ...

Page 12: ... noise appears Repeat the procedures in each adjustment several times and the tracking adjustment should be finally done by the trimmer capacitors Adjustment Location MAIN board Adjustment Location MAIN BOARD Component side JK501 JK101 L105 TC102 L104 IC101 L102 L103 TC101 SFR101 IC102 TP1 IC103 AM Tracking AM Tuning Voltage FM Tuning Voltage FM Tracking FM Tuned Level Carrier frequency 90 MHz 106...

Page 13: ...lloscope waveform is clear and check RF signal level is correct or not Note Clear RF signal waveform means that the shape can be clearly distinguished at the center of the waveform oscilloscope level 1 0 Vp p VOLT DIV 200 mV TIME DIV 500 nS 0 3 0 2 Adjustment Location CD DECODER board Procedure 1 Connect DC voltmeter to test point CN12 FEO VC on CD DECODER board 2 Turned Power switch on 3 Put disc...

Page 14: ...RAMS 5 1 CIRCUIT BOARDS LOCATION SW C board SW D board SW B board DISK board PANEL board CD DECODER board H P board SENSOR board R P SWITCH board VR board AC POWER board MAIN board SW A board MOTOR board MOTOR 6P S board ...

Page 15: ...B 21 CE 22 CLK 23 DI 18 DATA 17 SQCK 20 XLAT 19 SQSO 51 SENS 38 SCOR MUTE DRIVE Q583 584 Q604 MUTE MUTE SWITCH Q603 CD SYNC SWITCH Q208 4 TU MUTE 24 DI1 48 SYS REC 7 DBFB 3 SYSTEM MUTE 2 POWER LED DRIVE IC602 2 3 4 36 ALATCH 11 13 LED DRIVE DI CLK Q208 Q605 606 RESET SWITCH POWER DOWN DET Q601 10 RESET 15 POWER DOWN Q602 LED602 LED601 Q602 D602 X2 11 X1 12 VR UP 44 X601 4 19MHz VR DOWN 45 VR601 EN...

Page 16: ...Hz FM OSC AMP Q102 D103 L103 L105 MW OSC IF G VT AM FM TUNING VOLTAGE TP1 L104 AM ANT AM RF AMP Q104 MPX 16 FM IF 1 OSC 23 AFC 22 AM RF 21 FM IF AF DET 18 FM DET AM FM IF BUFF AM OSC AM MIX AM DET SMET 20 CF103 450kHz MUTE AGC AM IF DECODER 14 L 15 R 4 2 T102 AM IFT 8 FM DET 17 MPX VCO CF104 10 7MHz CF105 19kHz R CH FM AM MPX IC102 L P F Q105 106 FM TUNED LEVEL PD1 21 X201 7 2MHz FM B 17 TUB B Q10...

Page 17: ...LOADING M SENSOR 1 8 2 3 4 5 6 7 16 9 15 T C 14 13 12 11 10 SERIAL I O CONTROL LATCH LATCH LATCH 36 PHD2 PHD1 PHD 33 LD 32 RF M 31 RF O 30 RF I 29 CP 28 CB 27 CC1 26 CC2 25 FOK 24 SENS 23 C OUT 22 XRST 21 DATA 20 XLT 19 CLK 18 VCC 17 ISET 16 SL 0 15 SL M 14 SL P 13 12 TA O TA M 11 FSET 10 TG2 9 TGU 8 SRCH 7 FE M 6 FE O 5 FLB 4 FGD 3 FDFCT 2 FEI 1 FEO 48 VC 47 TDFCT 46 TZC 45 ATSC 44 TEI 43 LPFI 42...

Page 18: ...D 6 1 559 583 11 CORD POWER US CND 6 1 551 506 99 CORD POWER MX SAF 6 1 696 966 11 CORD POWER AUS 7 4 210 299 01 WASHER AC CORD 8 4 210 301 01 FOOT B 9 4 210 298 01 CHASSIS PT302 1 431 939 11 TRANSFORMER POWER US CND PT302 1 431 961 11 TRANSFORMER POWER MX SAF PT302 1 431 962 11 TRANSFORMER POWER AUS Ref No Part No Description Remarks Ref No Part No Description Remarks 52 53 54 6 1 CABINET SECTION...

Page 19: ...1 9 980 286 01 CAP SCREW 2 7 5 152 9 980 288 01 A SCREW 2 7 AZIMUTH 153 9 980 287 01 B SCREW 2 3 154 9 980 276 01 PINCH ROLLER ARM ASSY 157 9 980 279 01 SCREW M COLLAR 158 9 980 278 01 MOTOR RUBBER 160 9 980 277 01 BELT W F 161 9 980 281 01 BELT M 163 1 759 417 11 DECK MECHANICAL HE901 9 980 284 01 E HEAD ERASE HP901 9 980 282 01 P HEAD PLAY HRP901 9 980 283 01 RP HEAD REC PLAY M901 9 980 285 01 M...

Page 20: ... 212 4 992 187 01 CUSHION 213 4 992 186 01 CUSHION SW LEVER 214 4 992 173 01 GEAR B RELAY 215 4 992 183 01 SCREW RELAY GEAR B 216 4 992 174 01 GEAR CHANGE 217 4 992 184 01 WASHER CHANGE GEAR 218 4 992 176 01 SPRING CHANGE GEAR 219 4 992 185 01 WASHER CHANGE PLATE 220 4 992 172 01 GEAR A RELAY 221 4 993 032 01 PLATE CHANGE 222 4 993 033 01 WASHER POLY ETHYLENE 223 1 670 798 11 SW B BOARD 224 1 670 ...

Page 21: ...4 992 190 01 UD CAM 253 4 992 191 01 UD GEAR 254 4 992 195 01 MAGNET 255 4 992 196 01 CHASSIS MAIN 256 4 992 197 01 BELT LOADING GEAR 257 4 992 198 01 PULLEY B GEAR 258 4 992 199 01 GEAR SLIDE 259 4 992 200 01 ROLLER 261 4 992 192 01 SPRING BRAKE CAM 262 4 992 193 01 LEVER SW 263 1 670 800 11 SW D BOARD 264 1 670 799 11 SW C BOARD 266 4 992 194 01 CLAMP 267 4 992 201 01 WASHER POLYETHYLENE 268 A 4...

Page 22: ...848 379 31 OPTICAL PICK UP KSS 213B S N 309 1 639 678 12 MOTOR 6P S BOARD 310 1 783 740 11 WIRE FLAT TYPE 16 CORE M101 X 2625 877 1 MOTOR ASSY SPINDLE M102 X 2625 769 1 MOTOR ASSY SLED The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer qu...

Page 23: ...159 11 CERAMIC 0 1uF 50V C19 1 126 963 11 ELECT 4 7uF 20 50V C20 1 162 306 11 CERAMIC 0 01uF 20 16V C21 1 136 157 00 FILM 0 022uF 5 50V C22 1 126 933 11 ELECT 100uF 20 10V C23 1 164 159 11 CERAMIC 0 1uF 50V C24 1 126 965 11 ELECT 22uF 20 50V C25 1 126 960 11 ELECT 1uF 20 50V C26 1 161 494 00 CERAMIC 0 022uF 25V C27 1 162 306 11 CERAMIC 0 01uF 20 16V C28 1 164 159 11 CERAMIC 0 1uF 50V C30 1 126 933...

Page 24: ... CARBON 10K 5 1 4W R32 1 247 903 00 CARBON 1M 5 1 4W R33 1 247 855 11 CARBON 10K 5 1 4W R34 1 247 879 11 CARBON 100K 5 1 4W R35 1 247 847 11 CARBON 4 7K 5 1 4W R36 1 247 847 11 CARBON 4 7K 5 1 4W R37 1 247 807 11 CARBON 100 5 1 4W R38 1 247 807 11 CARBON 100 5 1 4W R39 1 247 847 11 CARBON 4 7K 5 1 4W R41 1 247 807 11 CARBON 100 5 1 4W R42 1 247 807 11 CARBON 100 5 1 4W R44 1 247 807 11 CARBON 100 ...

Page 25: ... 10 50V C134 1 162 294 31 CERAMIC 0 001uF 10 50V C135 1 126 962 11 ELECT 3 3uF 20 50V C137 1 126 959 11 ELECT 0 47uF 20 50V C138 1 161 494 00 CERAMIC 0 022uF 25V C139 1 161 494 00 CERAMIC 0 022uF 25V C140 1 126 933 11 ELECT 100uF 20 16V C141 1 161 494 00 CERAMIC 0 022uF 25V C142 1 126 933 11 ELECT 100uF 20 16V C143 1 126 959 11 ELECT 0 47uF 20 50V C144 1 161 494 00 CERAMIC 0 022uF 25V C145 1 162 2...

Page 26: ...CT 10uF 20 50V C353 1 126 964 11 ELECT 10uF 20 50V C355 1 126 964 11 ELECT 10uF 20 50V C356 1 126 933 11 ELECT 100uF 20 16V C357 1 162 282 31 CERAMIC 100PF 10 50V C358 1 162 282 31 CERAMIC 100PF 10 50V C359 1 164 159 11 CERAMIC 0 1uF 50V C360 1 164 159 11 CERAMIC 0 1uF 50V C361 1 130 485 00 MYLAR 0 015uF 5 50V C362 1 130 485 00 MYLAR 0 015uF 5 50V C363 1 162 284 31 CERAMIC 150PF 10 50V C364 1 162 ...

Page 27: ...D110 8 719 991 33 DIODE 1SS133T 77 D201 8 719 991 33 DIODE 1SS133T 77 D202 8 719 991 33 DIODE 1SS133T 77 D203 8 719 991 33 DIODE 1SS133T 77 D204 8 719 991 33 DIODE 1SS133T 77 D205 8 719 991 33 DIODE 1SS133T 77 D208 8 719 991 33 DIODE 1SS133T 77 D209 8 719 991 33 DIODE 1SS133T 77 D210 8 719 991 33 DIODE 1SS133T 77 D211 8 719 991 33 DIODE 1SS133T 77 D212 8 719 991 33 DIODE 1SS133T 77 D301 8 719 991 ...

Page 28: ...103 1 249 398 11 CARBON 27 5 1 4W F R104 1 247 807 11 CARBON 100 5 1 4W R105 1 249 411 11 CARBON 330 5 1 4W R106 1 247 807 11 CARBON 100 5 1 4W R107 1 247 879 11 CARBON 100K 5 1 4W R108 1 247 871 11 CARBON 47K 5 1 4W R109 1 247 879 11 CARBON 100K 5 1 4W R110 1 247 867 11 CARBON 33K 5 1 4W R111 1 247 830 11 CARBON 910 5 1 4W R112 1 247 807 11 CARBON 100 5 1 4W R113 1 247 879 11 CARBON 100K 5 1 4W R...

Page 29: ...10 1 249 440 11 CARBON 82K 5 1 4W R315 1 247 867 11 CARBON 33K 5 1 4W R316 1 247 867 11 CARBON 33K 5 1 4W R317 1 247 887 00 CARBON 220K 5 1 4W R318 1 247 887 00 CARBON 220K 5 1 4W R319 1 247 855 11 CARBON 10K 5 1 4W R320 1 247 855 11 CARBON 10K 5 1 4W R321 1 249 434 11 CARBON 27K 5 1 4W R322 1 249 434 11 CARBON 27K 5 1 4W R323 1 247 871 11 CARBON 47K 5 1 4W R324 1 247 871 11 CARBON 47K 5 1 4W R325...

Page 30: ...N 1K 5 1 4W F R567 1 249 438 11 CARBON 56K 5 1 4W R583 1 249 439 11 CARBON 68K 5 1 4W R584 1 247 847 11 CARBON 4 7K 5 1 4W R585 1 247 839 11 CARBON 2 2K 5 1 4W R586 1 249 431 11 CARBON 15K 5 1 4W R587 1 249 432 11 CARBON 18K 5 1 4W R588 1 249 438 11 CARBON 56K 5 1 4W R589 1 249 434 11 CARBON 27K 5 1 4W R590 1 249 431 11 CARBON 15K 5 1 4W R591 1 247 847 11 CARBON 4 7K 5 1 4W RELAY RL501 1 515 921 1...

Page 31: ... 10K 5 1 4W R612 1 247 855 11 CARBON 10K 5 1 4W R613 1 247 855 11 CARBON 10K 5 1 4W R614 1 247 855 11 CARBON 10K 5 1 4W R615 1 247 855 11 CARBON 10K 5 1 4W R616 1 249 418 11 CARBON 1 2K 5 1 4W F R617 1 249 420 11 CARBON 1 8K 5 1 4W F R618 1 249 418 11 CARBON 1 2K 5 1 4W F R619 1 249 420 11 CARBON 1 8K 5 1 4W F R620 1 247 841 11 CARBON 2 7K 5 1 4W R621 1 249 424 11 CARBON 3 9K 5 1 4W F R622 1 249 4...

Page 32: ... FLAT TYPE 18 CORE 163 1 759 417 11 DECK MECH 251 1 769 856 11 WIRE FLAT TYPE 5 CORE 308 8 848 379 31 OPTICAL PICK UP KSS 213B S N HE901 9 980 280 01 E HEAD ERASE HP901 9 980 287 01 HEAD PLAY HRP901 9 980 279 01 HEAD REC PLAY M103 X 4948 765 1 MOTOR ASSY TURN TABLE M104 X 4948 766 1 MOTOR ASSY A TRAY M901 9 980 281 01 MOTOR CAPSTAN REEL PT302 1 431 939 11 TRANSFORMER POWER US CND PT302 1 431 961 1...

Page 33: ...85 131 19 SCREW P 2 6 4 TYPE2 SLIT 6 7 685 139 29 SCREW TAPPING M2 6 20 7 7 685 134 19 SCREW PTPWH 2 6 8 TYPE2 8 7 685 138 19 SCREW BTP 2 6 16 TYPE2 N S 9 7 624 118 01 RING RETAINING E 2 5 10 7 685 903 31 SCREW PTPWH 3 10 TYPE2 11 7 685 246 19 SCREW KTP 3 8 TYPE2 NON SLIT 12 7 685 547 14 SCREW BTP 3 10 TYPE2 N S 13 7 685 547 19 SCREW BTP 3 10 TYPE2 N S 14 7 685 549 14 SCREW BTP 3 14 TYPE2 N S 15 7...

Page 34: ... 72 HCD GRX2 RX33 Sony Corporation Home A V Products Company 9 922 792 11 98C167032 1 Printed in Singapore 1998 3 Published by General Engineering Dept Shibaura ...

Page 35: ...on Remarks C02 1 126 963 11 ELECT 4 7uF 20 50V C04B C07A 1 162 199 31 CERAMIC 10PF 5 50V C08 1 161 494 00 CERAMIC 0 022uF 25V C23A C26 1 161 494 00 CERAMIC 0 022uF 25V C27 1 162 306 11 CERAMIC 0 01uF 20 16V C28 1 164 159 11 CERAMIC 0 1uF 50V C29A C30B C38 1 102 958 00 CERAMIC 20PF 5 50V C39 1 102 958 00 CERAMIC 20PF 5 50V C46 1 126 933 11 ELECT 100uF 20 10V C51 1 162 288 31 CERAMIC 330PF 10 50V C5...

Page 36: ... Indicates corrected portion 3 4 ADDED DELETED ADDED DELETED ADDED DELETED DELETED ...

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