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Sony HCD-DX20, Service Manual

The Sony HCD-DX20 Service Manual is your comprehensive guide to operating this high-quality audio system. With step-by-step instructions and detailed diagrams, this manual ensures easy setup and troubleshooting. Download the manual for free at manualshive.com and optimize your experience with the Sony HCD-DX20 for immersive audio satisfaction.

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Ref. No.

Part No.

Description

Remarks

Ref. No.

Part No.

Description

Remarks

54

HCD-DX20/RG30

MAIN

R221

1-216-833-11 METAL CHIP

10K

5%

1/16W

R222

1-216-813-11 METAL CHIP

220

5%

1/16W

R223

1-216-848-11 METAL CHIP

180K

5%

1/16W

R224

1-216-848-11 METAL CHIP

180K

5%

1/16W

R225

1-216-837-11 METAL CHIP

22K

5%

1/16W

R226

1-216-837-11 METAL CHIP

22K

5%

1/16W

R227

1-216-846-11 METAL CHIP

120K

5%

1/16W

R228

1-216-846-11 METAL CHIP

120K

5%

1/16W

R229

1-216-824-11 METAL CHIP

1.8K

5%

1/16W

R230

1-216-824-11 METAL CHIP

1.8K

5%

1/16W

R231

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R231A

1-216-821-11 METAL CHIP

1K

5%

1/16W

R232

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R232A

1-216-821-11 METAL CHIP

1K

5%

1/16W

R233

1-216-843-11 METAL CHIP

68K

5%

1/16W

R234

1-216-843-11 METAL CHIP

68K

5%

1/16W

R235

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R236

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R237

1-216-833-11 METAL CHIP

10K

5%

1/16W

R238

1-216-855-11 METAL CHIP

680K

5%

1/16W

R239

1-216-833-11 METAL CHIP

10K

5%

1/16W

R240

1-216-833-11 METAL CHIP

10K

5%

1/16W

R241

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R242

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R243

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R244

1-216-838-11 METAL CHIP

27K

5%

1/16W

R245

1-216-833-11 METAL CHIP

10K

5%

1/16W

R246

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R247

1-216-845-11 METAL CHIP

100K

5%

1/16W

R248

1-216-834-11 METAL CHIP

12K

5%

1/16W

R249

1-216-855-11 METAL CHIP

680K

5%

1/16W

R250

1-216-848-11 METAL CHIP

180K

5%

1/16W

R251

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R252

1-216-838-11 METAL CHIP

27K

5%

1/16W

R253

1-216-833-11 METAL CHIP

10K

5%

1/16W

R254

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R255

1-216-821-11 METAL CHIP

1K

5%

1/16W

(DX20)

R256

1-216-833-11 METAL CHIP

10K

5%

1/16W

R257

1-216-816-11 METAL CHIP

390

5%

1/16W

R258

1-216-813-11 METAL CHIP

220

5%

1/16W

R259

1-216-821-11 METAL CHIP

1K

5%

1/16W

 (DX20)

R260

1-216-816-11 METAL CHIP

390

5%

1/16W

R261

1-216-816-11 METAL CHIP

390

5%

1/16W

R262

1-216-845-11 METAL CHIP

100K

5%

1/16W

R263

1-216-833-11 METAL CHIP

10K

5%

1/16W

R264

1-216-833-11 METAL CHIP

10K

5%

1/16W

R270

1-216-813-11 METAL CHIP

220

5%

1/16W

R271

1-216-857-11 METAL CHIP

1M

5%

1/16W

R272

1-216-857-11 METAL CHIP

1M

5%

1/16W

R273

1-216-823-11 METAL CHIP

1.5K

5%

1/16W

R274

1-216-823-11 METAL CHIP

1.5K

5%

1/16W

R275

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R276

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R277

1-216-845-11 METAL CHIP

100K

5%

1/16W

R278

1-216-845-11 METAL CHIP

100K

5%

1/16W

R301

1-216-833-11 METAL CHIP

10K

5%

1/16W

R302

1-216-833-11 METAL CHIP

10K

5%

1/16W

R303

1-216-838-11 METAL CHIP

27K

5%

1/16W

R304

1-216-838-11 METAL CHIP

27K

5%

1/16W

R305

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R306

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R307

1-216-835-11 METAL CHIP

15K

5%

1/16W

R308

1-216-835-11 METAL CHIP

15K

5%

1/16W

R309

1-216-857-11 METAL CHIP

1M

5%

1/16W

R313

1-216-845-11 METAL CHIP

100K

5%

1/16W

R314

1-216-845-11 METAL CHIP

100K

5%

1/16W

R315

1-216-839-11 METAL CHIP

33K

5%

1/16W

R316

1-216-839-11 METAL CHIP

33K

5%

1/16W

R317

1-216-845-11 METAL CHIP

100K

5%

1/16W

R318

1-216-850-11 METAL CHIP

270K

5%

1/16W

R320

1-216-847-11 METAL CHIP

150K

5%

1/16W

R321

1-216-833-11 METAL CHIP

10K

5%

1/16W

R322

1-216-833-11 METAL CHIP

10K

5%

1/16W

R323

1-216-813-11 METAL CHIP

220

5%

1/16W

R324

1-216-833-11 METAL CHIP

10K

5%

1/16W

R325

1-216-835-11 METAL CHIP

15K

5%

1/16W

R326

1-216-833-11 METAL CHIP

10K

5%

1/16W

R327

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

(DX20)

R328

1-216-827-11 METAL CHIP

3.3K

5%

1/16W

R329

1-216-827-11 METAL CHIP

3.3K

5%

1/16W

R331

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R332

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

R333

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R334

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R335

1-216-845-11 METAL CHIP

100K

5%

1/16W

R336

1-216-845-11 METAL CHIP

100K

5%

1/16W

R337

1-216-833-11 METAL CHIP

10K

5%

1/16W

R338

1-216-833-11 METAL CHIP

10K

5%

1/16W

R339

1-216-831-11 METAL CHIP

6.8K

5%

1/16W

R340

1-216-831-11 METAL CHIP

6.8K

5%

1/16W

R341

1-216-813-11 METAL CHIP

220

5%

1/16W

R342

1-216-813-11 METAL CHIP

220

5%

1/16W

R343

1-216-833-11 METAL CHIP

10K

5%

1/16W

(DX20)

R344

1-216-833-11 METAL CHIP

10K

5%

1/16W

(DX20)

R361

1-215-891-11 METAL OXIDE

680

5%

2W

R362

1-215-891-11 METAL OXIDE

680

5%

2W

R363

1-216-821-11 METAL CHIP

1K

5%

1/16W

R364

1-216-821-11 METAL CHIP

1K

5%

1/16W

R365

1-216-841-11 METAL CHIP

47K

5%

1/16W

R366

1-216-833-11 METAL CHIP

10K

5%

1/16W

R367

1-216-821-11 METAL CHIP

1K

5%

1/16W

R368

1-216-845-11 METAL CHIP

100K

5%

1/16W

R369

1-216-837-11 METAL CHIP

22K

5%

1/16W

R370

1-216-829-11 METAL CHIP

4.7K

5%

1/16W

(RG30)

R370

1-216-823-11 METAL CHIP

1.5K

5%

1/16W

(DX20)

R377

1-260-304-51 CARBON

10

5%

1/2W

(RG30)

R378

1-260-304-51 CARBON

10

5%

1/2W

(RG30)

R379

1-260-304-51 CARBON

10

5%

1/2W

(RG30)

R380

1-260-304-51 CARBON

10

5%

1/2W

(RG30)

R381

1-216-841-11 METAL CHIP

47K

5%

1/16W

(RG30)

Summary of Contents for HCD-DX20

Page 1: ...m from the objective lens surface on the Optical Pick up Block with 7 mm aper ture Frequency response 2 Hz 20 kHz 0 5 dB Wavelength 780 790 nm Signal to noise ratio More than 90 dB Dynamic range More than 90 dB CD OPTICAL DIGITAL OUT Square optical connector jack rear panel Wavelength 660 nm Output Level 18 dBm Amplifier section European models HCD RG30 DIN power output rated 50 50 watts 6 ohms at...

Page 2: ...ER PRODUCT MARKING is located on the rear exterior Laser component in this product is capable of emitting radiation exceeding the limit for Class 1 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radia tion exposure Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side o...

Page 3: ...m BD Section 23 6 5 Printed Wiring Board Main Section 24 6 6 Schematic Diagram Main Section 1 5 25 6 7 Schematic Diagram Main Section 2 5 26 6 8 Schematic Diagram Main Section 3 5 27 6 9 Schematic Diagram Main Section 4 5 28 6 10 Schematic Diagram Main Section 5 5 29 6 11 Printed Wiring Board Power AMP Section 30 6 12 Schematic Diagram Power AMP Section 31 6 13 Printed Wiring Board Panel Section 3...

Page 4: ...e panel board and the key board fix them by using the screws BVTP 2 6 8 respectively Screw in to the respective screw holes Do not tighten the screws excessively The panel board and the key board only are connected to the front panel by means of hot melting the plastics Note for installing the panel board and the key board REMOVING THE PANEL BOARD AND THE KEY BOARD Apply HANARL SLF 9 7 400 000 00 ...

Page 5: ...N OFF 4 ENTER 0 GAME eg GAME EQ 2 GROOVE 3 KARAOKE PON 2 es MD VIDEO qg MIC jack 2 e MIC LEVEL control 2 wj MOVIE EQ 9 MUSIC EQ 6 P FILE qa PHONES jack qk PLAY MODE 7 PTY DIRECTION 7 REC PAUSE START wd REPEAT 7 SPECTRUM 7 STEREO MONO 7 TAPE A B qf TUNER MEMORY 7 TUNER BAND qd VIDEO jack ef VOLUME control qh BUTTON DESCRIPTIONS v V b B 5 Z deck A wk Z deck B ql M fast forward ws go back wg Z OPEN C...

Page 6: ...ay 5 X pause 5 go forward PRESET 5 m rewind TUNING 5 4 Press ENTER 5 Press v or V repeatedly to set the hour 6 Press B The minute indication flashes 7 Press v or V repeatedly to set the minute 8 Press ENTER Tip If you made a mistake or want to change the time start over from step 1 Note The clock settings are canceled when you disconnect the power cord or if a power failure occurs Setting the time...

Page 7: ... R Side L Top CD door Front panel section CD mechanism deck CDM58B Key board Panel board Tape mechanism deck Sub trans board Video out board Back panel Power transformer Trans board Main board Power amp board Base unit BD board Set Case Side R Case Side L 5 qd qs qs q Case Top 6 Two screws Case 3 TP2 8 Screw BVTP 3 10 3 Screw BVTP 3 10 9 Screw BVTT 3 8 4 Screw BVTT 3 8 1 Two screws Case 3 TP2 qa F...

Page 8: ...pulley CD door Front panel side CD mechanism deck CDM58B 3 qd qs 5 CD mechanism deck CDM58B Front panel section q Connector B Deck 9 Connector A Deck 7 Connector CN714 6 Wire flat type CN2 1 Wire flat type CN102 2 Connector CN701 qa Three screws BVTP 3 6 8 Screw BVTP 3 10 3Screw BVTP 3 10 4 Screw BVTP 3 10 Chassis section ...

Page 9: ...NEL BOARD 1 Six screws BVTP 2 6 8 2 Tape mechanism deck 1 Volume knob 2 Vol knob ring 4 Connector CN712 Note When attching the panel board refer to Service Note on page 4 6 Panel board 3 5 Cut the seven melted connection points with a cutting plier ...

Page 10: ... Cut the six melted connection points with a cutting plier qf Two screws BVTT 4 6 qa Five screws BVTP 3 10 q Two screws BVTT 3 6 qs 1 Two screws BVTP 3 10 8 Screw BVTP 3 10 Back panel qg Two screws BVTT 4 6 qh Power transformer T911 qd Connector CN915 3 Connector CN2 5 Connector CN903 4 Connector CN901 2 Cover Duct 9 Video out board 7 Sub trans board Trans board 6 Two screws BVTP 3 10 ...

Page 11: ...wo screws BVTP 3 16 1 Two screws BVTT 3 6 2 Main board 5 Power amp board Main board Base unit qa 9 Two screws PTPWH M2 6 1 Screw PTPWH M2 6 q Screw DIA 12 7 Two screws BVTP 2 6 8 6 BD board qs Two insulators 2 Holder BU assy qs Two insulators 8 Two stoppers BU 3 Wire flat type 19p CN101 4 Wire flat type 16p CN102 5 Screw BVTP 2 6 8 ...

Page 12: ...Pull out the disc tray 4 Two screws BVTP 2 6 8 q Screw PTPWH 2 6 8 qa Tray 1 Screw BVTP 2 6 8 qs Screw BVTP 2 6 8 6 Wire flat type 8p CN721 3 Wire flat type 8p CN702 8 Motor board qd Address sensor board 2 Driver board 5 Remove the two solderings of motor 7 Connector 4p CN722 ...

Page 13: ...channels can be changed over between 9 kHz and 10 kHz Procedure 1 Press 1 button to turn the set ON 2 Select the function TUNER and press TUNER BAND button to select the BAND AM 3 Press 1 button to turn the set OFF 4 Press ENTER and 1 buttons simultaneously and the display of fluorescent indicator tube changes to AM 9 k STEP or AM 10 k STEP and thus the channel step is changed over GC Test Mode Th...

Page 14: ...tarts The VIDEO function is selected automatically as the input source 9 Select the desired loop by pressing the PLAY MODE button in the TAPE B function Insert a test tapeAMS 110A orAMS RO to Deck A 10 Press the SPECTRUM button to enter the AMS test mode 11 After a tape is rewound first the FF AMS is checked and the mechanism is shut off after detecting the AMS signal twice 12 Then the REWAMS is c...

Page 15: ...anism error EDC NO DISC error When aging operation is complete be sure to perform the MC Cold Reset to reset the error history D No disc error 01 FOCUS ERROR 02 GFS ERROR 03 SETUP ERROR 01 NO DISC judgment without chucking retry 02 NO DISC judgment after chucking retry Status at the time of NO DISC judgment High order digits only 1 STOP 2 SETUP 3 TOC READ 4 ACCESS 5 PLAY BACK 6 PAUSE 7 MANUAL SEAR...

Page 16: ...ewind is executed up to the top of tape A and B 2 A tape on FWD side is played for 2 minutes 3 FF is executed up to either made for 20 second or the end of tape 4 B tape is reversed and the tape on REV side is played for 2 minutes 5 Rewind is executed up to the top of tape 6 Returns to step 2 and repeat steps from 2 to 5 Function Change Mode elect either VIDEO or MD of the external FUNCTION input ...

Page 17: ...Ω impedance 4 Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks S Curve Check Procedure 1 Connect oscilloscope to TP FEO 2 Connect between TP FEI and TP VC by lead wire 3 Connect between TP AGCCON and TP D GND by lead wire 4 Turn Power switch on 5 Load a disc YEDS 18 and actuate the focus search In consequence ...

Page 18: ...ted in step 1 RF PLL Free run Frequency Check Procedure 1 Connect frequency counter to test point XPCK with lead wire 2 Turned Power switch on 3 Put the disc YEDS 18 in to play the number five track Confirm that reading on frequency counter is 4 3218MHz RF signal waveform VOLT DIV 200mV TIME DIV 500ns level 1 45 0 3Vp p TP TEO TP VC BD board oscilloscope level 1 3 0 6Vp p symmetry A DC voltage cen...

Page 19: ...o waveforms Signal path F FM f AM E PB DECK A d PB DECK B G REC DECK B J CD c digital out Abbreviation SP Singapore model KR Korea model MX Mexican model AR Argentina model TH Thai model EA Saudi Arabia model E51 Chiri and Peru model E2 Central and Aouth model THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block C B Th...

Page 20: ...TICAL PICK UP BLOCK A B C D E F LD VC 5V GND PD VR LD DRIVE FOCUS COIL TRACKING COIL Q101 RF AMP AM TRACKING IC103 VC 12 A 5 B 6 C 7 D 8 E 11 F 10 LD 3 PD 4 IC102 MOTOR DRIVER CH1 OUT R 13 CH1 OUT F 14 CH2 OUT R 11 CH2 OUT F 12 CH3 OUT R 18 CH3 OUT F 17 M M102 SLED MOTOR CH4 OUT R 16 CH4 OUT F 15 M M101 SPINDLE MOTOR F F T T 3 CH1 R IN 2 CH1 F IN 6 CH2 R IN 5 CH2 F IN 23 CH3 R IN 24 CH3 F IN 25 CH...

Page 21: ...T901 3 1 5 7V REG 1 3 RY901 12V REG 3 1 9V REG 3 1 CD POWER SWITCH 5V REG 3 1 IC681 Q681 682 IC682 IC683 IC684 D 5V SW A 5V SW RDS 5V BD 5V EVER 5V EVER 5 7V D 5V 5V SW MIC 12V 9V M 7V 7V D687 690 D686 D667 D661 D669 D670 STBY RELAY 86 38 CD POWER RESET 12 3 1 Q661 IC661 D383 D691 693 D664 D543 D542 JW912 JW6 JW5 JW3 JW1 66 B REC KEY REC FWD 90 B SHUT B PHOTO A B R CH L CH LOUT L CH J301 J705 R CH...

Page 22: ... BD SECTION See page 19 for Circuit Boards Location I C 1 0 1 IC102 IC103 Page 24 E CN102 TP VC TP RF TP TE0 TP FE0 TP FE1 TP D GND TP AGC CON TP XPCK 18 19 2 1 M 23 23 Ref No Location IC101 B 2 IC102 C 3 IC103 B 2 Q101 A3 Semiconductor Location ...

Page 23: ...23 23 HCD DX20 RG30 6 4 SCHEMATIC DIAGRAM BD SECTION See page 19 for Waveforms See page 40 41 for IC Block Diagrams IC B D IC B D IC B D CN102 Page 29 E 5 5 A X 2 1 1 16 16 ...

Page 24: ...IC101 C676 Q102 T102 DX20 L671 C140 C133 C114 C113 C137 JW1 RV101 C106 C108 C135 C143 C144 C127 C136 IFT101 CF101 C125 CF102 Q101 T101 C116 C117 X101 IC102 C677 CN102 C675 C671 C658 Q682 C304 C312 C314 C303 C310 C309 C687 1 2 3 C686 Q681 E E E E E E E E E E E E E E IC681 C319 C327 C339 C325 C328 C326 C333 C337 C338 C313 C318 C320 C315 1 64 32 33 C356 C317 C300 CN1 X602 C665 C661 C321 JW28 JW29 C66...

Page 25: ...0k 390 390 180k 180k 680k 10k 47p 100k 10k 4 7k 10k 0 01 220p 270k 220p 220p 47 180k 470p 1 8k 120k 8 2k 1M 1 5k 4 7k 100k 4 7k 100k 0 0015 22k 2 2k 1k 68k 0 27k 4 7k 4 7k 10k 2 2k 27k 4 7k 2 2k 12k 0 022 390 10k 4 7k 47 16V 2 2 50V 4 7 50V 1 50V 1 50V 100 16V 100 16V 220 100 10V 100 10V 47 16V 47 16V 10 10 47 16V 1 50V 1 50V 1 50V 47 16V 0 1 50V 47p 0 047 MC 0 001 MC 0 0047 MC 0 015 MC 0 022 MC 2...

Page 26: ...1 1 50V 4 7k 2 2k 560 560 100 16V 0 01 10 50V 10k 0 047 22 16V 10 50V 560p 12k 2 2k 100 1 50V 10k 0 2SC2412K 1k 470 100 4 7k 2 2 50V 10 50V 0 01 4 332MHz 56p 56p 4 7k 0 01 0 01 2 2 50V 100 0 47 DA204K 100 47 16V 0 01 0 47 50V 22p CH 33p CH 1SS355TE 100k 0 0 0 0 2SC1623 2SC1623 0 22 50V 4 7k 0 UN4111 0 01 2SC2410SN 0 0 0 0 0 0 0 0 0 0 0 TT DTZ 11 6 8B 1SS355TE 54 16 13 14 X1 X2 10 20 21 22 23 24 25...

Page 27: ...33k 0 047 0 047 0 047 10 50V 100k 270k 0 1 0 1 150k 220 16V 0 27 10 50V 10 50V 220 100 10V 0 22 0 033 2SC3623A 2SC3623A 2 2 50V 47 50V 0 1 0 1 6 8k 6 8k 0 022 0 022 4 7 100V BP 680 2W 680 2W 4 7 100V BP 0 22 0 022 0 022 10k 10k 1SS355TE 1SS355TE 1SS355TE UDZSTE 179 1B 4 7 50V DTA124ES DTA124ES DTC114ES X1 X2 36 37 38 48 41 52 21 20 51 50 49 43 18 8 12 13 14 27 28 11 9 53 5 6 7 80 81 82 A B C E D F...

Page 28: ...61 65 66 67 68 69 70 71 73 74 80 81 82 J I K 95 91 83 84 85 86 60 61 65 44 45 46 47 48 49 19 83 84 85 86 88 91 89 90 73 74 100 38 41 88 6 95 I J K 97 1 2 1 5 10 15 20 25 30 SENS HOLD XLT XRST OPEN CLOSE SQ DAT SQ CLK CD DAT OUT CANT USE CD CLK CD POWER CLOCK OUT M RESET LOAD IN LOAD OUT UP DOWN T SENS GAME DVD PROTECT VACS AVSS POWER AVCC S IN AV REF VIDEO SW2 SPEC IN MODE IN SP VACS B SHUT ASHUT ...

Page 29: ...S2N 470 16V 0 19P 0 DTC 114ES 0 11ES2N 11ES2N 11ES2N 11ES2N RT1P137S 13P 17 46 47 36 37 38 39 40 48 25 24 28 27 30 41 29 26 22 23 X3 16 44 35 34 21 20 18 19 32 33 34 40 42 43 35 37 H 38 F G 42 PH671 CD DIGITAL OUT 5V OUT IC681 UPC7805A UPC7805A IC682 IC683 UPC7812A IC684 VF VF B VP L OUT R OUT SP GND SP GND PW GND AC4 AC4 AC3 AC3 STBY PROTECTOR L OUT R OUT A GND 12V GND REG 12V FAN ON EVER 5V D GN...

Page 30: ...41 C 5 D542 A 3 D543 A 3 D551 B 4 IC501 A 5 Q501 B 5 Q503 B 5 Q504 B 5 Q551 B 4 Q581 B 5 Semiconductor Location POWER AMP BOARD 11 13 21 21 DX20 1 681 448 D F MAIN BOARD Page 24 MAIN BOARD Page 24 RG30 RG30 DX20 KR C TRANS BOARD Page 34 CHASSIS DX20 RG30 DX20 KR RG30 DX20 KR CHASSIS E E E E E R513 R519 _ 1 13 1 13 1 13 2 3 4 5 6 7 A 1 B C D ...

Page 31: ...22 25V 22 50V 56k 33k 33k 2 2k 22k 10k 2 2k 15k 100k 0 068 0 068 10 1 2W 22 50V 100 1 4W 2SC1841 10 1 2W 22k 22k 0 22 2W 0 22 2W 0 22 2W 0 22 2W 1k 22k 1 2W 22k 1 2W D5SBA204101 13P 13P 10k VCC PRE BIAS VCC VCC CH1 IN CH1 NF CH1 VE CH1 VE CH2 VE CH2 VE PRE VCC SUB GND CH2 NF CH2 IN PROTECTOR L OUT R OUT A GND 12V GND REG 12V FAN ON EVER 5V D GND STK MUT VF VF B VP L OUT R OUT SP GND SP GND PW GND ...

Page 32: ... RG30 11 13 21 21 1 681 446 DX20 RG30 DX20 J702 MIC VR703 MIC LEVEL CHASSIS CHASSIS A MAIN BOARD Page 24 CHASSIS M x X Z B B B B gG M E VIDEO OUT BOARD 11 13 21 21 1 681 441 DX20 RG30 1 1 2 L R CHASSIS CLP4 CN714 JK705 VIDEO OUT 2 IC702 1 2 6 7 5 4 3 1 J701 PHONES VOLUME S701 702 704 738 2 6 7 5 4 3 1 2 6 7 5 4 3 1 2 30 29 DX20 TUNER BAND E E E E 61 60 20 21 80 1 41 40 E DX20 1 4 5 8 1 13 1 13 DIS...

Page 33: ...DRIVE SEL5955A DTC114ES LED DRIVE SEL5955A SEL5955A DTC114ES LED DRIVE SEL5955A SEL5955A DTC114ES LED DRIVE SEL5955A SEL5955A DTC 114ES LED DRIVE SEL5955A SEL5955A SEL223C DTA124ES LED DRIVE 0 1 0 001 0 001 30P 1SS133T 1SS133T DTC114ES LED DRIVE DTC114ES LED DRIVE DTC114ES LED DRIVE DTC114ES LED DRIVE SEL5223S SEL5923A SEL5923A 13P 100 NJM4565M TE2 NJM4565M TE2 22k 180k 10k 10k 10k 10k 10k 10k 1k ...

Page 34: ... Page 30 11 11 1 681 444 11 11 1 681 445 SUB TRANS BOARD TRANS BOARD E B T911 POWER TRANSFORMER DX20 MX DX20 MX RG30 DX20 KR TH RG30 DX20 KR MX TH EXCEPT DX20 MX DX20 AR E2 E51 EA SP DX20 AR E2 E51 EA SP DX20 AR E2 E51 EA SP DX20 AR E2 E51 EA SP S901 VOLTAGE SELECTOR 240V 220 230V 120V RG30 DX20 KR MX TH RG30 DX20 KR TH RG30 DX20 KR TH DX20 MX DX20 AR E2 E51 EA SP DX20 AR E2 E51 EA SP MX AC IN 1 2...

Page 35: ...3P MTZJ 30B 2P 0 01 1SS133T T6 3AL 250V T6 3AL 250V 0 33 1 4W 2SA1932 30V REG RD5 6ESB2 13P 2SC2785 STBY RELAY EVER 5 7V D GND STBY RELAY EVER 5 7V D GND IC901 AC IN 5 7V REG POWER TRANSFORMER T911 AC4 AC4 AC3 AC3 VF VF VP D GND EVER 5V STBY RELAY AC1 GND AC1 VOLTAGE SELECTOR 120V 220 230V 240V CN3 CN2 POWER TRANSFORMER TA78057S RG30 DX20 DX20 RG30 RG30 RELAY DRIVER 2P RG30 DX20 KR MX TH 4P DX20 A...

Page 36: ...t Boards Location 1 2 A B C D 3 4 5 6 7 8 9 10 I C 7 1 1 IC701 14 14 14 14 14 14 Page 24 B CN1 4 CN1 Page 26 4 5 B IC B D A C E K MTZJ T 77 3 9A Ref No Location D707 E 1 IC701 B 8 IC711 B 5 Semiconductor Location 6 18 SCHEMATIC DIAGRAM DRIVER SECTION See page 42 for IC Block Diagrams ...

Page 37: ...al input RDS data signal input Tuner mute signal output STEREO detect signal input L ON H OFF TUNER detect signal input L ON H OFF TUNER chip eneble output TUNER data output TUNER data input TUNER clock signal output Not used Not used Not used Subcode Q data input CD data Subcode Q clock input CD clock BD condition signal input CD data output Not used CD clock output CD POWER ON OFF signal output ...

Page 38: ...gnal output H ON L OFF PB mute ON OFF signal output H ON L OFF REC mute ON OFF signal output H ON L OFF Serial data latch pulse output to BH3878KS2 IC301 Serial data latch pulse output to BH3878KS2 IC301 Serial data latch pulse output to BH3878KS2 IC301 Line mute signsl output L ON H OFF Power amplifier mute ON OFF signal output H ON L OFF Speaker protect signal input L ON H OFF STANDBY relay cont...

Page 39: ...eadphone detect signal input H ON L OFF Connected to ground Not used KEY input AD Connected to ground Power supply 5V Power supply 5V KARAOKE LED driver output GROOVE LED driver output ENTER LED driver output REC LED driver output GAME LED driver output MD VIDEO LED driver output TAPE LED driver output CD LED drover output TUNER LED driver output Not used Not used FL segment signal output Power su...

Page 40: ...TO SEQUENCER SERIAL IN INTERFACE OVER SAMPLING DIGITAL FILTER 3rd ORDER NOISE SHAPER PWM PWM EFM DEMODULATOR TIMING LOGIC DIGITAL OUT D A INTERFACE DIGITAL PLL ASYMMETRY CORRECTION CLOCK GENERATOR MIRR DFCT FOK DETECTOR DIGITAL CLV SUBCODE PROCESSOR SERVO INTERFACE SERVO DSP FOCUS SERVO TRACKING SERVO SLED SERVO PWM GENERATOR FOCUS PWM GENERATOR TRACKING PWM GENERATOR SLED PWM GENERATOR 16K RAM ER...

Page 41: ...BOARD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 QUAL RDATA VREF VDD1 VSS1 MUX VSS3 CMP RCLK XO XI NC VDD2 VSS2 T1 T2 8TH SWITCHED CAPACITOR FILTER PLL 57KHz RDS ARI BIPHASE DECODER DEFFERENTIAL DECODER PLL 1187 5Hz TEST CLOCK IC102 LC72130 MAIN BOARD 1 2 3 4 5 6 7 8 XIN B03 CE IFIN AOUT2 AIN1 AIN2 D1 CL B04 D0 B01 I01 B02 XOUT PD1 VSS PD2 FMIN AMIN AOUT1 VDD I02 B05 9 10 11 12 13 14 15 16 17 18 19 20...

Page 42: ... 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 CONTROL LOGIC TSD VREF OUT2 OUT1 RNF VM VCC FIN GND RIN 1 2 3 4 5 6 7 8 9 10 11 12 16 17 18 19 20 21 22 23 24 15 14 13 AM OSC AM MIX AM IF FM IF FM DET AM DET SD DET AGC LED DRIVER COMP SD SW VCO PD 1 2 DECODER VREG 1 2 FM IN FM DET TUNED STEREO IF OUT R OUT L OUT AM FM FM AM DET OUT AM MPX IN FM MPX IN IN REQ MUTE FM SD ADJ VCC GND AM OSC OUT...

Page 43: ...363 099 41 SCREW CASE 3 TP2 3 4 224 549 01 CASE SIDE L 4 4 234 009 01 CD DOOR RG30 4 4 234 009 11 CD DOOR DX20 5 4 224 550 01 CASE TOP 6 1 681 441 11 VIDEO OUT BOARD DX20 6 1 681 441 21 VIDEO OUT BOARD RG30 CD mechanism deck 3 3 3 3 3 3 3 5 4 3 11 1 1 2 2 front panel section chassis section not supplied 3 1 3 3 3 3 10 7 9 8 5 6 Abbreviation EA Saudi Arabia model SP Singapore model TH Thai model KR...

Page 44: ...18 729 11 INDICATOR TUBE FLUORESCENT 51 4 234 019 01 VOLUME KNOB RG30 51 4 234 019 11 VOLUME KNOB DX20 52 4 234 015 01 VOL KNOB RING 53 X 4953 757 1 PANEL FRONT ASSY DX20 53 X 4953 887 1 PANEL FRONT ASSY RG30 54 4 225 252 01 CUSHION FOOT 55 X 4953 759 1 CASSETTE WINDOW R ASSY DX20 55 X 4953 889 1 CASSETTE WINDOW R ASSY RG30 56 X 4953 758 1 CASSETTE WINDOW L ASSY DX20 56 X 4953 888 1 CASSETTE WINDO...

Page 45: ...BUSHING FBS001 CORD DX20 E51 EA SP KR AR RG30 106 3 703 571 11 BUSHING S 4516 CORD DX20 TH 106 4 966 266 01 BUSHING S FBS002 CORD DX20 E2 MX 107 1 681 444 11 TRANS BOARD DX20 107 1 681 442 21 TRANS BOARD RG30 0108 1 769 079 21 CORD POWER DX20 KR 0108 1 769 744 81 CORD POWER RG30 0108 1 777 071 81 CORD POWER DX20 E51 EA SP 0108 1 783 941 22 CORD POWER DX20 AR 0108 1 791 901 11 CORD POWER DX20 E2 MX...

Page 46: ...OARD 262 X 4952 608 1 CAM U D ASSY 263 4 221 681 01 LEVER EX 264 4 221 682 01 LEVER LIFTER 265 4 221 688 01 PULLEY B CHUCKING 266 1 471 035 11 MAGNET ASSY 267 X 4952 019 1 PULLEY A ASSY CHUCKING 268 X 4951 889 1 HOLDER BU ASSY 269 4 222 095 01 BELT 270 4 227 045 11 SPRING INSULATOR COIL 271 4 985 672 01 SCREW PTPWH M2 6 FLOATING 274 4 221 678 01 CAM CONTROL 275 4 221 683 01 GEAR U 276 4 221 685 01...

Page 47: ...3 038 00 CERAMIC CHIP 0 1uF 25V C115 1 104 665 11 ELECT 100uF 20 10V C116 1 104 665 11 ELECT 100uF 20 10V C117 1 104 665 11 ELECT 100uF 20 10V C118 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C119 1 163 235 11 CERAMIC CHIP 22PF 5 50V C121 1 163 038 00 CERAMIC CHIP 0 1uF 25V C122 1 104 665 11 ELECT 100uF 20 10V C123 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C124 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C...

Page 48: ...DE SEL5923A TP15 KARAOKE PON DX20 D710 8 719 057 97 DIODE SEL5923A TP15 GROOVE TRANSISTOR Q707 8 729 900 80 TRANSISTOR DTC114ES Q708 8 729 900 80 TRANSISTOR DTC114ES Q709 8 729 900 80 TRANSISTOR DTC114ES DX20 Q710 8 729 900 80 TRANSISTOR DTC114ES RESISTOR R703 1 249 413 11 CARBON 470 5 1 4W F R704 1 249 414 11 CARBON 560 5 1 4W F R705 1 249 415 11 CARBON 680 5 1 4W F R706 1 249 417 11 CARBON 1K 5 ...

Page 49: ...114 1 126 947 11 ELECT 47uF 20 16V C115 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C116 1 126 961 11 ELECT 2 2uF 20 50V C117 1 126 947 11 ELECT 47uF 20 16V C118 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C119 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C120 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C121 1 162 919 11 CERAMIC CHIP 22PF 5 50V C122 1 162 921 11 CERAMIC CHIP 33PF 5 50V C123 1 162 964 11 CERAMIC CH...

Page 50: ...R 0 015uF 5 50V C240 1 126 947 11 ELECT 47uF 20 16V C241 1 130 479 00 MYLAR 0 0047uF 5 50V C242 1 130 471 00 MYLAR 0 001uF 5 50V C243 1 162 965 11 CERAMIC CHIP 0 0015uF 10 50V C244 1 162 965 11 CERAMIC CHIP 0 0015uF 10 50V C245 1 165 128 11 CERAMIC CHIP 0 22uF 16V DX20 C246 1 165 128 11 CERAMIC CHIP 0 22uF 16V DX20 C256 1 126 960 11 ELECT 1uF 20 50V C257 1 126 956 11 ELECT 0 1uF 20 50V C265 1 162 ...

Page 51: ...LECT 100uF 20 10V C677 1 126 935 11 ELECT 470uF 20 10V C678 1 162 953 11 CERAMIC CHIP 100PF 5 50V C679 1 162 953 11 CERAMIC CHIP 100PF 5 50V C681 1 136 165 00 FILM 0 1uF 5 50V C683 1 136 165 00 FILM 0 1uF 5 50V C684 1 136 165 00 FILM 0 1uF 5 50V C685 1 126 768 11 ELECT 2200uF 20 16V C686 1 126 964 11 ELECT 10uF 20 50V C687 1 126 916 11 ELECT 1000uF 20 6 3V C688 1 126 964 11 ELECT 10uF 20 50V C689 ...

Page 52: ...6W JR14 1 216 864 11 METAL CHIP 0 5 1 16W DX20 JR15 1 216 864 11 METAL CHIP 0 5 1 16W JR16 1 216 864 11 METAL CHIP 0 5 1 16W JR17 1 216 864 11 METAL CHIP 0 5 1 16W JR109 1 216 864 11 METAL CHIP 0 5 1 16W DX20 JR110 1 216 864 11 METAL CHIP 0 5 1 16W RG30 JR602 1 216 864 11 METAL CHIP 0 5 1 16W JR603 1 216 864 11 METAL CHIP 0 5 1 16W JR606 1 216 864 11 METAL CHIP 0 5 1 16W JR607 1 216 864 11 METAL C...

Page 53: ...1 METAL CHIP 4 7K 5 1 16W R114 1 216 829 11 METAL CHIP 4 7K 5 1 16W R115 1 216 833 11 METAL CHIP 10K 5 1 16W R116 1 216 809 11 METAL CHIP 100 5 1 16W R117 1 216 845 11 METAL CHIP 100K 5 1 16W R118 1 216 809 11 METAL CHIP 100 5 1 16W R119 1 216 833 11 METAL CHIP 10K 5 1 16W R120 1 216 833 11 METAL CHIP 10K 5 1 16W R121 1 216 821 11 METAL CHIP 1K 5 1 16W R122 1 216 833 11 METAL CHIP 10K 5 1 16W R123...

Page 54: ...CHIP 4 7K 5 1 16W R276 1 216 829 11 METAL CHIP 4 7K 5 1 16W R277 1 216 845 11 METAL CHIP 100K 5 1 16W R278 1 216 845 11 METAL CHIP 100K 5 1 16W R301 1 216 833 11 METAL CHIP 10K 5 1 16W R302 1 216 833 11 METAL CHIP 10K 5 1 16W R303 1 216 838 11 METAL CHIP 27K 5 1 16W R304 1 216 838 11 METAL CHIP 27K 5 1 16W R305 1 216 825 11 METAL CHIP 2 2K 5 1 16W R306 1 216 825 11 METAL CHIP 2 2K 5 1 16W R307 1 2...

Page 55: ...AL CHIP 100 5 1 16W R636 1 216 809 11 METAL CHIP 100 5 1 16W R637 1 216 809 11 METAL CHIP 100 5 1 16W R638 1 216 864 11 METAL CHIP 0 5 1 16W R640 1 216 839 11 METAL CHIP 33K 5 1 16W RG30 R640 1 216 841 11 METAL CHIP 47K 5 1 16W DX20 R641 1 216 841 11 METAL CHIP 47K 5 1 16W RG30 R641 1 216 833 11 METAL CHIP 10K 5 1 16W DX20 EA R641 1 216 823 11 METAL CHIP 1 5K 5 1 16W DX20 KR SP TH R641 1 216 837 1...

Page 56: ...31 CERAMIC 100PF 10 50V C731 1 162 282 31 CERAMIC 100PF 10 50V C732 1 162 282 31 CERAMIC 100PF 10 50V C733 1 162 282 31 CERAMIC 100PF 10 50V C734 1 162 306 11 CERAMIC 0 01uF 30 16V C735 1 162 306 11 CERAMIC 0 01uF 30 16V C736 1 162 294 31 CERAMIC 0 001uF 10 50V C737 1 162 294 31 CERAMIC 0 001uF 10 50V C738 1 104 665 11 ELECT 100uF 20 10V DX20 C739 1 104 665 11 ELECT 100uF 20 10V DX20 C754 1 162 21...

Page 57: ...0 1 247 807 31 CARBON 100 5 1 4W R761 1 249 429 11 CARBON 10K 5 1 4W R762 1 247 807 31 CARBON 100 5 1 4W R763 1 249 429 11 CARBON 10K 5 1 4W R764 1 249 429 11 CARBON 10K 5 1 4W R765 1 247 903 00 CARBON 1M 5 1 4W R768 1 247 807 31 CARBON 100 5 1 4W R769 1 249 401 11 CARBON 47 5 1 4W F R770 1 249 417 11 CARBON 1K 5 1 4W F DX20 R771 1 249 430 11 CARBON 12K 5 1 4W DX20 R772 1 249 429 11 CARBON 10K 5 1...

Page 58: ...1K 5 1 4W F R502 1 249 438 11 CARBON 56K 5 1 4W R503 1 249 415 11 CARBON 680 5 1 4W F RG30 R503 1 249 418 11 CARBON 1 2K 5 1 4W F DX20 R504 1 249 435 11 CARBON 33K 5 1 4W RG30 R504 1 249 438 11 CARBON 56K 5 1 4W DX20 R505 1 249 417 11 CARBON 1K 5 1 4W F R506 1 249 431 11 CARBON 15K 5 1 4W R507 1 249 441 11 CARBON 100K 5 1 4W 0R508 1 217 151 00 METAL 0 22 10 2W R509 1 260 076 11 CARBON 10 5 1 2W 0R...

Page 59: ...R915 1 247 807 31 CARBON 100 5 1 4W R916 1 247 807 31 CARBON 100 5 1 4W 0R919 1 219 122 91 FUSIBLE 0 33 5 1 4W 0R920 1 219 122 91 FUSIBLE 0 33 5 1 4W SWITCH 0S901 1 786 055 21 SELECTOR VOLTAGE DX20 AR E2 E51 EA SP TRANSFORMER 0T911 1 437 224 11 TRANSFORMER POWER DX20 0T911 1 437 225 11 TRANSFORMER POWER RG30 1 681 441 11 VIDEO OUT BOARD DX20 1 681 441 21 VIDEO OUT BOARD RG30 CONNECTOR CN714 1 564 ...

Page 60: ...p to the next revised page Ver Date Description of Revision 1 0 2001 06 New 1 1 2002 05 Correction of exploded views Ref No 105 replaced with No 107 in the figure mutually SPM 02028 1 2 2003 01 Change of the supply classification of the chassis Ref No 289 Note addition for chassis exchange SPM 02119 1 3 2003 12 Part No correction of Ref No 286 for exploded views SPM 03061 ...

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