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Philips FW-R55/21 Service Manual Download Page 47

8-9

8-9

AUDIO CIRCUIT

12MHz

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

A

B

C

D

E

F

2202 F3

4.4V

4.4V

0.5ms

4.8V

4.5V

2.4V

2.4V

2.4V

2.4V

2.4V

2.4V

2203 F3
2204 F3
2209 F1
2212 F2
2221 F6
2237 E1
2238 F7
2240 E1

2.4V

4.4V

0V

0.5ms

~160ms

8-bit microcontroller

2.2V

4.4V

2.5V

3.7V

0V

3.5V

CD10_RST TIMING

4.4V

1.9V

2242 C3
2243 F5
2244 E2
2245 D1
2246 C1
2249 F2
2250 C2
2251 A2
2252 B3
2255 F6
2257 F6
2260 A1
2266 D1
2267 B1
2269 B1
2274 D3

3.5V

2275 B3
2278 C5
2283 B6
3215 A8
3216 A8
3220 A8
3222 A9
3251 E4
3252 A5
3253 D4
3254 D3
3255 D3
3256 D2
3257 E2
3258 D2
3259 B7
3260 D9
3261 C1
3262 C2
3263 A8
3264 A8
3265 A1
3266 A2
3267 B2
3268 A5
3269 B5
3277 C6
3278 D6
3279 D6
3281 B1
3282 D1
3283 B3
3284 D3
3285 B3
3286 C3
5202 D9
5209 E2
5211 D2
5216 E5
5217 B5
6208 F5
7207-A B2
7207-B D2
7211 E1
7212 C8
7214 D5

+5V

100n

2278

3263

47R

2209

100u

4u7 2245

22n

2238

2237

100u

2221

100u

10u

2242

2240

100n

2266

1n

BZX79-B4V7

6208

4R7

3251

3215

47R

AGND

47R

3220

3283

100K

3255

47R

33R

3253

3252

22R

22R

3268

2275

470p

2204

100n

2212

100u

AGND

AGND

3256

3K9

1n

2257

4u7 2260

AGND

1n

2250

5217

5211

7207-A

NJM4560M

3

2

1

8

4

5216

3277

10K

100R

3286

10K

3279

22K

3278

10K

3216

3259

10K

12M

CST

5202

5209

AGND

AGND

AGND

100u

AGND

4K7

3262

2243

3269

22R

10K

3264

3222

10K

7214

BC847BW

100n

2203

470p

2274

2202

100n

3261

10K

4K7

3257

6

7

8

4

10K

3282

3285

100R

7207-B

NJM4560M

5

100K

3284

3281

10K

47R

3254

2244

47u

47u

2283

GND

IN

OUT

AGND

LF35A

7211

2252 10u

3258

4K7

2269

4u7

1n

2267

4K7

3267

VAA

10n

2255

2251

1n

11

P3_5

12

P3_6

13

P3_7

26

PSEN

4

RST

38 VDD

16

VSS

15

XTAL1

14

XTAL2

AGND

AGND

1

P1_5

2

P1_6

3

P1_7

18

P2_0

19

P2_1

20

P2_2

21

P2_3

22

P2_4

23

P2_5

24

P2_6

25

P2_7

5

P3_0

7

P3_1

8

P3_2

9

P3_3

10

P3_4

NC2

28

NC3

39 NC4

37 P0_0

36 P0_1

35 P0_2

34

P0_3

33

P0_4

32

P0_5

31

P0_6

30

P0_7

40

P1_0

41

P1_1

42

P1_2

43

P1_3

44

P1_4

7212

P83C528EBB

27

ALE

29

EA

6

NC1

17

3260

1M

47u

2249

2246

4u7

3266

4K7

10K

3265

VCC

VCC

VCC

VCC

CD10_RST

+5V

AGND

AOL-

AOL+

AOR-

AOR+

VDD3

LEFT

RIGHT

+5V

VR

VR

DRST

RAB

+5V

VCC

DSA_S

DSA_A

DSA_D

SILD

SICL

SD

A

ALL DC VOLTAGES ARE MEASURED UNDER 5V SUPPLY CONDITION

3139 118 54470 ...88170 sh3 ... 3448 pt 1 dd wk107

Summary of Contents for FW-R55/21

Page 1: ...t Board 6 Tuner Board ECO5 Sys 7B VCD MPEG Module 8 ETF7 Tape Module 9 3CDC LC VCD Changer Module 10 Combi Board 11 Set Mechanical Exploded view parts list 12 Copyright 2001 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photoco...

Page 2: ...x Voltage Selector x Aux Input x Digital Output Headphone Socket x Line Output Subwoofer Output Surround Output Matrix Surround Loudspeakers x Standby Clock Display x Standby Dark Tuner board ECO5 Sys x Tuner board Tuner 95 Combi board 12W version Combi board 18W version Combi board 25W version x ETF7 ND DD FR Chrome Ferro ETF7 ND DD FF Chrome Ferro x ETF7 ND DD FF Ferro VERSION VARIATIONS Type Ve...

Page 3: ... DBB ON DBB Off 1 Incredible Surround IS IS Off 1 Digital Sound Control Jazz Techno Optimal Rock 1 VEC Control Hall Cinema Concert 1 Headphone output at 32Ω 16mW Input sensitivity Aux in 700mV 2dB at 600Ω Mic 3 5mV CASSETTE RECORDER Number of track 2 x 2 stereo Tape speed 4 76 cm sec 2 Wow and flutter 0 4 DIN Fast wind rewind time C60 130 sec Bias system 75kHz 10kHz Rec Pb frequency response withi...

Page 4: ...z e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50Ω Bandpass 250Hz 15kHz e g 7122 ...

Page 5: ...Hz 4822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 Anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connector box 1MΩ 4822 320 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table m...

Page 6: ...n osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spécia listes ...

Page 7: ...urce 13 DIM mode 13 14 Sound Control 14 CD VCD MP3 CD Discs for playback 15 16 Loading a Disc 16 Disc Direct Play 16 Playing a normal disc 16 Disc Change 16 Selecting a desired track 16 17 Searching for a particular passage during playback 17 Programming Tracks 17 Reviewing the programme 17 Playing the programme 17 18 Erasing the programme 18 Repeat 18 Video CD Adjusting the TV System 18 OSD On Sc...

Page 8: ...atic discharge may cause unexpected problems See whether these problems disappear if you unplug the AC power cord and plug it in again after a few seconds To disconnect the player from the power supply completely remove the AC power plug from the wall socket IMPORTANT PLEASE NOTE THAT THE VOLTAGE SELECTOR LOCATED AT THE REAR OF THIS SYSTEM IS PRESET AT 220V FROM THE FACTORY FOR COUNTRIES THAT OPER...

Page 9: ...his system can playback MP3 CD format disc also When VCD CD playback is stopped press to select the disc tray 1 2 or 3 PAL NTSC to select corresponding PAL or NTSC system of your TV set exception Multi system TV TUNER BAND to select Tuner mode When in tuner mode press to select the waveband FM or MW TAPE TAPE 1 2 to select Tape mode When tape playback is stopped press to select either tape deck 1 ...

Page 10: ...M DIM C D1 2 3 BAND TAPE 1 2 CDR VIDEO RECORD DUBBING A REPLAY VOLUME CLOCK T MER M CROPHONE LEVEL VCD MP3 CD MINI H FI SYSTEM VCD STOP CLEAR PLAY PAUSE RETURN PBC DEMO STOP PAL NTSC SEARCH TUN NG PREV NEXT PRESET MP 3 CD ALBUM TITLE TUNER TAPE AUX JOG CONTROL T E C H N O R O C K J A Z Z O P T I M A L D B B V E C D S C NCRED BLE SURROUND Important Before you operate the system complete the prepara...

Page 11: ...ting the System 14 English Sound Control VOLUME ADJUSTMENT Adjust VOLUME to increase or decrease the sound level For Personal Listening Connect the headphones plug to the n socket at the front of the system The speakers will be muted DIGITAL SOUND CONTROL DSC The DSC feature enables you to enjoy special sound effects that have preset equalizer settings providing the best music reproduction 1 Press...

Page 12: ...hird disc press the DISC CHANGE button The disc changer tray will rotate until the empty tray is ready for loading 4 Press OPEN CLOSE to close the disc changer tray The total number of tracks and the playing time of the selected disc appear on the display For MP3 CD only The first Album and the first Title information appear on the display Note To ensure good system performance wait until the disc...

Page 13: ...e Reviewing of the programme is possible only when playback is stopped Pressí or ë repeatedly to review the programmed tracks Press Ç to exit review mode Playing the programme 1 Press PLAYÉ Å to start programme playback PLAY PROGRAM will be displayed The track number and elapsed playing time of the current track will appear on the display If you press REPEAT during programme playback the current t...

Page 14: ... still picture frame in an enlarge mode After you have pressed PAUSEÉ Å to have a still picture on the TV screen 1 Press ZOOM once to enlarge the still picture by 2 times ZOOM appears on the TV screen You can move the zoom picture left or right by pressing à or á respectively You can move the zoom picture down or up by pressing í or ë respectively 2 Press ZOOM once more to return to normal still f...

Page 15: ...y AXX TXXX Note A represents ALBUM and T represents TITLE XX or XXX is the current selected Album or Title number CD VCD MP3 CD 22 English Tuner Note For PLUG PLAY feature please refer to page 12 Tuning to radio stations 1 Press TUNER BAND to select TUNER mode TUNER will be displayed A few seconds later the current radio frequency will be displayed 2 Press TUNER BAND again to select the desired wa...

Page 16: ...and To change from 9 kHz to 10 kHz or vice versa Changing of tuning grid will erase all previously stored preset stations 1 Disconnect the system from the AC power supply pull out the AC power cord 2 Press and hold TUNER and TUNING á while reconnecting the system to the AC power supply Display will show GRID 10 or GRID 9 Notes GRID 9 indicates that the tuning grid is in step of 9 kHz in MW band GR...

Page 17: ... Z O P T I M A L PROGRAM DIM RECORD DUBBING A REPLAY INCREDIBLE SURROUND AUX Selecting External Equipment If you have connected the audio out terminals of the external equipment TV VCR Laser Disc player DVD player or CD Recorder to the AUX IN terminals you can hear the enhanced sound from the system Press AUX CDR VIDEO to select the external equipment AUX CDR will be displayed Note All the sound c...

Page 18: ...2 3 BAND TAPE 1 2 TAPE VCD TUNER AUX STOP CLEAR PLAY PAUSE CDR VIDEO RECORD DUBBING A REPLAY VOLUME CLOCK T MER RETURN PBC DEMO STOP PAL NTSC SEARCH TUNING PREV NEXT PRESET MP 3 CD ALBUM TITLE MICROPHONE LEVEL D B B JOG CONTROL V E C D S C T E C H N O R O C K J A Z Z O P T I M A L INCRED BLE SURROUND View Clock You can view the clock if it is set if the system is in Standby mode or when any sound ...

Page 19: ...ollow the instructions supplied with cleaner Cleaning the Heads and the Tape Paths To ensure good recording and playback quality clean the heads the capstan s and pressure roller s after every 50 hours of tape operation Use a cotton swab slightly moistened with cleaning fluid or alcohol You can also clean the heads by playing a cleaning tape once Demagnetizing the heads Use a demagnetizing tape av...

Page 20: ...parently Check the speaker connection for proper imprecise physical location of musical phasing colored black wires to colored instruments black terminals Remote control has no effect on the Select the source VCD TUNER etc system before pressing the function button É í ë etc Reduce the distance to the system Insert the batteries with their polarities signs as indicated Replace the batteries Timer ...

Page 21: ... Take a paper clip or any stiff wire diameter of 1mm 1 5mm and make a marking about 17mm from the tip 2 Place the set in an upright position and insert the paper clip into the slot on the right side of the Cabinet Rear pos 251 3 With the marking just outside the Cabinet Rear you should be able to engage the gear on the side of the 3CDC LC Module Because of the distance between the gear and the Cab...

Page 22: ...P to remove the MPEG shield MPEG Board 2 Remove 2 screws M and uncatch C3 with a flat screw driver in the direction as shown to loosen the Plate Insulator P M C3 Dismantling of Rear Portion 1 Remove 1 screw H uncatch C1 to loosen the Mains socket board 2 Remove 2 screws F 2 screws G and uncatch C2 to loosen the Tuner board assembly 3 Remove 5 screws J 3x on the rear and 2x on the heatsink and unca...

Page 23: ...lowing assemblies or modules while working on other areas Tuner Board pos 1103 3CDC LC MPEG Module 1105 2 Flex cables are very fragile care should be taken not to damage them during repair After repair be very sure that the flex cables are inserted properly into the flex sockets before encasing otherwise faults may occurs ...

Page 24: ... holding the TUNER and R buttons depressed while switching on the Mains supply the tuning grid frequency is toggled between 9kHz and 10kHz for the Oversea 21 version b This Tuner information is also applicable for 12 and 28 versions Y N Y N Y N 2 Button pressed 2 Button pressed 9 Button pressed DISPLAY TEST Display shows Fig 1 and switch all LEDs on Display shows Fig 2 and selected LEDs on see not...

Page 25: ...ONT POWER AMPLIFIER FRONT BASS ALC SA BUFFER AMPLIFIER HEADPHONE Item 5401 RES CRSTAL 32KHz 768 12P5 DT 38R Item 5400 RESONATOR 8 MHz Item 5121 Crstal 75kHz 12P5 07 381B Updated on 25 09 2000 For 18W set Only RESONATOR 8 MHz Item 5400 COMBI IND FXD CHOKE 400u PM30 For 25W set Only Item 5202 ...

Page 26: ... 1 SET WIRING DIAGRAM MPEG01B ECO5 M TOP B3P VH ECO MTF FRONT TU95 HEADPHONE KARA FOR TAPE DECK HUM AND EMC SHIELD VCD 3C 3CDC LC HEADPHONE CVBS OUT MIC ETF7 CDC KEY LOGIC ECO5 TUNER95 TRAFO MAINS COMBI ETF7 ...

Page 27: ... B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 12G S3 S4 11G B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 6G a h j p k b f m g c e r n d Col Dp 5G a h j p k b f m g c e r n d 4G a h j p k b f m g c e r n d 2G a h j p k b f m g c e r n d P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 B14 B12 B7 B6 B5 B3 B13 B11 B7 B6 B3 B2 B9 B8 B4 B1 B10 B9 B8 B4 B2 B1 B14 B12 B7 B6 B5 B3 B9 B8 B4 B1 B10 B...

Page 28: ...able for Front Board ITEM NO A54690 A54700 3516 3518 330R 3524 1k 1k 3539 10k 10k 3541 3546 10k 10k 3555 10k 3575 10k 3576 10k 3577 12k 3578 5k6 3586 1k 3588 10k 10k 3600 5k6 3602 3603 10k 10k 3613 12k 12k 3616 3617 10k 10k 4400 x 4407 x 4410 x x 4412 x 4413 x 4417 x 4436 x 4588 6401 x 6402 x 6404 x 6405 x 6420 x 6422 6423 6424 6428 x 6433 6445 x 6446 x 6447 x 9475 x 9488 x 9520 x 9523 x x Item in...

Page 29: ...479 3435 1K D 180p 2458 6404 5405 2u2 D HN 14NN12T 1438 3515 100K D 1 2 DIPMATE 21 3561 4K7 3465 1K PH S 1403 1 2 3 4 5 6 3457 820R 47p 3444 1K 330R 3494 1K 9521 D 1K 3420 CST 5400 D D D 330R 3493 D 5407 2u2 2457 180p 1432 6445 2434 47p 3612 2447 10n 9469 1K 3422 BC847B 7403 4403 D 4402 D 820R 3451 6424 1N4148 3497 1K 3495 10K 3568 47K 1K8 3610 D 3437 1K 1N4148 6422 6401 D 9522 3581 10K 3609 1K8 F...

Page 30: ...MPONENT LAYOUT 6 4 6 4 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 118 3451 pt 1 dd wk106 ...

Page 31: ...CHIP LAYOUT 6 5 6 5 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 118 3451 pt 1 dd wk106 ...

Page 32: ...435 4822 051 10102 1k 2 0 25W 3436 4822 051 10102 1k 2 0 25W 3437 4822 051 10102 1k 2 0 25W 3438 4822 051 10102 1k 2 0 25W 3439 4822 051 10102 1k 2 0 25W 3440 4822 051 10102 1k 2 0 25W 3441 4822 051 10102 1k 2 0 25W 3442 4822 051 10102 1k 2 0 25W 3443 4822 051 10102 1k 2 0 25W 3444 4822 051 10102 1k 2 0 25W 3445 4822 051 10102 1k 2 0 25W 3446 4822 051 10102 1k 2 0 25W 3447 4822 051 10102 1k 2 0 25...

Page 33: ...822 051 20008 0R Jumper 0805 4485 4822 051 20008 0R Jumper 0805 4486 4822 051 20008 0R Jumper 0805 4487 4822 051 20008 0R Jumper 0805 4488 4822 051 20008 0R Jumper 0805 4489 4822 051 20008 0R Jumper 0805 4490 4822 051 20008 0R Jumper 0805 4491 4822 051 20008 0R Jumper 0805 4492 4822 051 20008 0R Jumper 0805 4493 4822 051 20008 0R Jumper 0805 4494 4822 051 20008 0R Jumper 0805 4495 4822 051 20008 0...

Page 34: ...L PARTS LIST FRONT BOARD TRANSISTORS INTEGRATED CIRCUITS 6 8 7413 4822 130 60511 BC847B 7414 4822 130 60511 BC847B 7415 4822 130 60511 BC847B Note Only the parts mentioned in this list are normal service spare parts ...

Page 35: ...OL AM FRAME AERIAL Reference Oscillator 1126 1 4 1 4 6 1 stereo 27 28 29 clock data enable clock data enable Version P1 P0 MW LW 31 30 programmable output ports AM RF AM Osc 3 5 1121 VLoop VLoop VLoop VLoop VLoop 2 6 5 43 1103 B C 450kHz 450kHz 450kHz 20 75kHz VStabA VStabB VStabB VStabA VStabB 10 7 MHz 10 7 MHz 35 9 Vcc Vdd Vcc1 7 23 VStabA VStabB 38 34 22 Vcc2 8 ECO5 sys 240698 A AM RF AM Osc FM...

Page 36: ... 5120 B4 5121 B4 5122 B3 5123 B2 5124 B2 5126 B3 5127 B4 5130 A3 5131 A3 6101 A2 6102 A1 6103 A1 6104 A2 6106 B3 6107 C5 6109 C2 6120 C4 7102 A3 7104 C2 7105 C3 7107 B3 7119 C4 9100 A2 9101 B3 9105 B2 9111 C2 9113 B2 9114 B2 9115 B3 9117 B2 9118 B4 9119 C4 9120 B4 9121 A2 9122 C3 9123 B1 9124 C4 9125 A3 9126 B5 9128 A2 9129 B3 9130 C3 9131 A5 9133 C3 9134 B3 9136 A5 9137 A5 2101 C4 2102 C4 2103 C3...

Page 37: ...20 1103 D 2 1102 B 2 1101 A 1 9128 A 4 9117 L10 9101 C 6 9100 B 4 7124 M13 7125 I16 7122 M 9 7119 B13 7111 F18 7109 M 7 7105 F 2 7104 E 3 7103 I 9 7102 D 8 7101 G11 4 5 1 6 7 8 9 10 11 12 13 14 15 2 16 17 18 19 20 21 3 K J N I H G F E D C B A M L K J N I H G F E D C B A M L 4 5 1 6 7 8 9 10 11 12 13 14 15 2 16 17 18 19 20 21 3 HN1V02H Chip jumper 8 7 6 5 4 3 2 1 6105 z_TEA5759 to from COMBI BOARD ...

Page 38: ...22k 5 0 1W for LW version 3140 4822 051 20008 0R Jumper 0805 5120 CDA10 7MG40K 3140 4822 117 10353 150R 1 0 1W 5120 CDA10 7MG61KA 3141 4822 051 20563 56k 5 0 1W 3142 4822 100 11163 Trimmer 100k 30 0 1W 3143 4822 051 20223 22k 5 0 1W for RDS version 3144 4822 051 10102 1k 2 0 25W for RDS version 3145 4822 117 11449 2k2 1 0 1W 3146 4822 051 20229 22R 5 0 1W 3152 4822 116 83883 470R 5 0 5W 3153 4822 ...

Page 39: ...lock diagram 8 3 P83C528EBB Internal Block diagram 8 3 ES3880 pins assignment 8 4 ES3883 pins assignment 8 5 MPEG 01B Board layout 8 6 ES3880 Circuit diagram 8 7 ES3883 Circuit diagram 8 8 Audio Circuit diagram 8 9 Electrical parts list 8 10 8 1 8 1 EXPLODED VIEW OF MODULE D3 x 10 D3 x 16 3CDC LC VCD Module Plate Insulation CDC LC Shield MPEG 01B MPEG 01B Board Flex Cable 22pin 3139 110 35290 ...

Page 40: ... IC7204 ESS3883 will follows resulting in the OSD display on the TV set connected to the Video out socket 4 When play button is activated the I2 S signal IIS_SCLK IIS_WCLK and IIS_DATA from the CD Board will enter IC7201 ESS3880 which will work closely with the Eprom IC7202 and Dram IC7203 Inverter IC7205 74HC04D serves to reconstruct the Digital signal level required by IC7201 ESS3880 5 Digital A...

Page 41: ...Board Conn 1602 Conn 1603 Conn 1601 Conn 1601 From SAA7324H on Servo Board DRST Conn 1601 5V CPU P83C528EBB DSA_A DSA_D DSA_S To From SAA7324H on Servo Board MIC_IN MIC_DET Video out P83C528EBB INTERNAL BLOCK 8 3 P0 0 P0 1 P0 2 P0 3 P0 4 P0 5 P0 6 P0 7 5 7 8 9 10 11 12 13 18 19 20 21 22 23 24 25 P0 P1 P3 P2 40 41 42 43 44 1 2 3 37 36 35 34 33 32 31 30 P1 0 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P2 0 P...

Page 42: ...ins SEL_PLL 1 0 select phase lock loop PLL clock frequency CPUCLK for the Visba See the SEL_PLL0 pin above for the settings DA9 DOE 92 O Dual purpose pin DRAM output enable active low DRAM multiplexed row and column address bus AIN 93 I Audio interface serial data input ARCLK 94 I Audio receive bit clock ARFS 95 I Audio interface receive frame sync TDMCLK 96 I TDM interface serial clock TDMDR 97 I...

Page 43: ...Ground VCM 42 I ADC Common Mode Reference CMR buffer output CMR is approximately 2 25 V Bypass to analog ground with 47 m F electrolytic in parallel with 0 1 m F VREFP 43 I DAC and ADC maximum reference Bypass to VCMR with 10 m F in parallel with 0 1 m F VCCAA 44 I Analog VCC 5 V AOR AOR 45 46 O Right channel output AOL AOL 47 48 O Left channel output MIC1 49 I Microphone input 1 MIC2 50 I Microph...

Page 44: ...8 6 8 6 MPEG 01B BOARD LAYOUT ...

Page 45: ...78 LA11 79 LA12 82 LA13 83 LA14 84 LA15 85 LA16 86 DA5 9 DA6 10 DA7 11 DA8 12 DA9 DOE_ 92 DBUS0 13 DBUS1 14 DBUS10 23 DBUS11 24 DBUS12 25 DBUS13 26 DBUS14 27 DBUS15 28 DBUS2 15 16 DBUS3 DBUS4 17 ATFS SEL PLL1 91 AUX0 45 AUX1 46 AUX2 47 AUX3 48 AUX4 49 AUX5 52 AUX6 53 AUX7 54 CAS_ 99 CPUCLK 42 DA0 4 DA1 5 DA2 6 DA3 7 DA4 8 ES3880 7201 ACLK 88 AIN 93 AOUT SEL PLL0 89 ARCLK 94 ARFS 95 ATCLK 90 8 9 10...

Page 46: ... VCC3 2220 100n 3227 100R VCC3 390p 2227 4K7 3218 VAV VAV 1n 2263 4K7 3240 27MHz 5201 CX 11F 3226 100R 2256 100n 5215 4K7 3243 71 72 73 74 75 76 77 78 79 8 80 81 82 83 84 85 86 87 88 89 9 90 91 92 93 94 95 96 97 98 99 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40...

Page 47: ...3 100K 3255 47R 33R 3253 3252 22R 22R 3268 2275 470p 2204 100n 2212 100u AGND AGND 3256 3K9 1n 2257 4u7 2260 AGND 1n 2250 5217 5211 7207 A NJM4560M 3 2 1 8 4 5216 3277 10K 100R 3286 10K 3279 22K 3278 10K 3216 3259 10K 12M CST 5202 5209 AGND AGND AGND 100u AGND 4K7 3262 2243 3269 22R 10K 3264 3222 10K 7214 BC847BW 100n 2203 470p 2274 2202 100n 3261 10K 4K7 3257 6 7 8 4 10K 3282 3285 100R 7207 B NJM...

Page 48: ...R 5 0 062W 3226 4822 051 30101 100R 5 0 062W 3227 4822 051 30101 100R 5 0 062W 3228 4822 051 30472 4k7 5 0 062W 3229 4822 051 30472 4k7 5 0 062W 3230 4822 051 30101 100R 5 0 062W 3231 4822 051 30472 4k7 5 0 062W 3232 4822 051 30472 4k7 5 0 062W 3233 4822 051 30101 100R 5 0 062W 3236 4822 051 30101 100R 5 0 062W 3237 4822 051 30472 4k7 5 0 062W 3238 4822 051 30472 4k7 5 0 062W 3239 4822 051 30103 1...

Page 49: ...ouble deck H L CRO2 Mechanism B Mechanism A Not for Ferro version Chrome Ferro Chrome Ferro Ferro 2624 100nF 2701 2702 150pF 270pF 270pF 2703 2704 100pF 220pF 220pF 2717 2718 10nF 15nF 15nF 2721 2722 6 8nF 6 8nF 2727 2728 470pF 1nF 1nF 3616 10k 1k 1k 3618 6k8 3620 10k trimmer 3622 10k trimmer 10k trimmer 3672 4k7 3676 47k 3687 220R 220R 3688 680R 3723 3724 15k 18k 18k 3725 3726 10R 10R 3727 3728 5...

Page 50: ...952BT 1A0 1A1 1A2 Rec current ATTEN ALC PLAYBACK EQUALISATION PB EON SW HEF4952BT 2A0 2A1 2A2 MPX 1A0 1A1 PB A ADJ PB B ADJ Rec In PB In 2A2 DOLBY B NR CXA1101M REC Out PB Out REC ADJ SHIFT REGISTER HEF4094BT 3A0 3A1 3A2 HS REC CRB DOLBY NOM HI SPEED REC EON 3A0 NS 2A2 MUTE For Dolby version only PB Out ATTEN 4794 9792 CLK DATA STROBE For Non dolby version only Only 1 channel is presented NOTE Mic...

Page 51: ...iable resistor 3773 for adjusting the optimal level of the bias current for Ferro or Chrome 11 Bias Symm For Dolby B NR version only Bias Symm making use of the Variable resistor 3785 to adjust the bias current for the left and the right channel to be equal 12 PB Switch Playback Switch which consists of the FETs 7785 For Dolby B NR version only 7786 J111 is for the purpose of providing a virtual g...

Page 52: ... for motor 13 CrO2 A Chrome tape detection switch deck A open Cr close Fe 14 H H pin for motor CONNECTORS ASSIGNMENTS CONNECTOR 1701 INTERCONNECTION TO AF BOARD 1 REC L Record input left 2 REC R Record input right 3 GND A AF Ground 4 TAPE L Playback output left 5 12V D C supply 12V for AF electronics 6 TAPE R Playback output right 7 CMOS Negative d c supply 9V for CMOS ICs CONNECTOR 1703 INTERCONN...

Page 53: ...ure 1 f Hz level dB 8dB 6dB 12 5k 4k 250 80 8dB f Hz level dB 8dB 10dB HSD 6dB 10k 4k 250 100 8dB 10dB HSD figure 2 check SBC419A 4822 397 30069 SBC420 4822 397 30071 SBC420 3150Hz SBC420 10kHz SBC420 DECK A B SBC419A SBC420 SBC419A or SBC420 SBC419A or SBC420 1 B Rec Switch REV Rec R CrO2 CrO2 Rec F Solenoid B Mode A Mode Solenoid Motor R1 680R R2 680R A Photo Sensor B Photo Sensor 2 B CrO2 Switc...

Page 54: ...LAYOUT CHIP LAYOUT 3139 113 3409 pt2 dd wk0042 3 4 2 1 6 5 3139 113 3409 pt2 dd wk0042 Some location on this board is prepared for both 0603 0805 SMDs footprint in such locations 0603 SMDs may be substituted 3 4 2 1 6 5 ...

Page 55: ...QUALISATION 1 1 REC R S4 PLAYBACK 0 1 S1 ANALOG CCTRY 1 1 0 S2 S1 S3 AN7323S 0 1 1 BIAS 4n7 2726 7784 BC857B 1M 3787 100n 2746 A0 7 A1 9 A2 10 VDD HEF4952B 7730 7782 220R 3701 C B4 A 3789 47K A A 2784 15n 1N4148 6778 7792 BC847B P 2706 220p 2A0 33n 2719 3736 22K 3760 120R A A 1N4148 6776 P 3K3 7786 J111 470p 2727 3K9 3722 2742 1K2 1M 3780 47u 2763 100p 2711 100n 2741 15K 3723 3703 220R 6K8 3769 37...

Page 56: ...10K mode_B Vcc CrO2_B 10K 47K 3676 7618 BC847B 100n 2626 M 5 1A0 1703 1 1N4003 6611 100n 2624 100K 3628 3679 47K 120K 3610 BC807 25 7613 CRB 100K 3685 P 7610 HEF4094BT M 100K 3686 2A1 3601 2K2 680R 3688 3608 MOTOR M L CLK L 1 VDD 16 8 VSS CP 3 D 2 E0 15 4 O0 5 O1 O2 6 7 O3 14 O4 13 O5 12 O6 11 O7 Os 9 Os 10 STR MOTOR 56K 3612 7619 BC847B 5 6K8 3618 1702 3604 56K 5 3623 100K CRA 3613 27K 3622 BC857...

Page 57: ...normal service spare parts TAPE MODULE EXPLODED VIEW 1 3139 118 77130 Autoreverse Mech CWE44FR01 1 3139 118 77140 Non Autoreverse Mech CWE44FF02 Chrome Ferro 1 3139 118 77950 Non Autoreverse Mech CWE44FF05 Ferro 3 Screw D3 x 10 6 Screw M2 x 16 7 3139 110 34080 Flex Cable 14 pin 7 5 cm Note Only the parts mentioned in this list are normal service spare parts ...

Page 58: ... Arm Assembly R 23 9965 000 02314 Coil Assembly 25 9965 000 06443 Cam Gear 32 4822 528 11209 Flywheel Assembly RV 42 9965 000 02315 Belt AF Autoreverse deck 42 9965 000 02718 Belt AF Non autoreverse deck 69 4822 492 11761 Spring 102 4822 532 12931 Washer 103 4822 532 12932 Washer 104 4822 532 12933 Washer Note Only the parts mentioned in the list are normal service spare parts ...

Page 59: ...00 06443 Cam Gear 32 4822 528 11209 Flywheel Assembly RV 44 2 9965 000 02317 Flex Socket 14 Pin 44 3 9965 000 02320 Photo Interrupter 44 4 4822 050 16801 680R 1 0 4W 44 6 9965 000 02318 Leaf Switch 44 7 9965 000 02319 Mode Switch 59 9965 000 02719 Belt BF Large 69 4822 492 11761 Spring 102 4822 532 12931 Washer 103 4822 532 12932 Washer 104 4822 532 12933 Washer Note Only the parts mentioned in th...

Page 60: ...02320 Photo Interrupter 44 4 4822 050 16801 680R 1 0 4W 44 6 9965 000 02318 Leaf Switch 44 7 9965 000 02319 Mode Switch 45 9965 000 02323 Rec Pb Head Assembly 50 4822 402 10973 Pinch Arm Assembly L 54 9965 000 02324 Flywheel Assembly L 69 4822 492 11761 Spring 73 4822 492 11762 Spring 101 9965 000 02325 Washer 102 4822 532 12931 Washer 103 4822 532 12932 Washer 104 4822 532 12933 Washer 107 9965 0...

Page 61: ...se 3678 482211710834 47k 1 0 1W 3679 482211710834 47k 1 0 1W 3680 482211710834 47k 1 0 1W 3685 482211652234 100k 5 0 5W 3686 482211710837 100k 1 0 1W 3687 482211711503 220R 1 0 1W not for Ferro 3688 482211710361 680R 1 0 1W Autoreverse 3701 482211711503 220R 1 0 1W 3702 482211711503 220R 1 0 1W 3703 482211711503 220R 1 0 1W 3704 482211711503 220R 1 0 1W 3705 482211711503 220R 1 0 1W 3706 482211711...

Page 62: ... Jumper 0805 4745 482205120008 0R Jumper 0805 4746 482205120008 0R Jumper 0805 4748 482205120008 0R Jumper 0805 4785 482205120008 0R Jumper 0805 only for Ferro 4790 482205120008 0R Jumper 0805 4794 482205120008 0R Jumper 0805 4795 482205120008 0R Jumper 0805 COILS FILTERS 5701 482215711477 Coil 2 2µH 5 5703 482215620946 Osc Coil 100kHz DIODES 6611 482213031878 1N4003G 6612 482213031878 1N4003G 661...

Page 63: ... 4 Blockdiagram 10 5 Component Layout Main Board 10 6 Circuit Diagram part1 10 7 Component Layout Main Board 10 8 Circuit Diagram part2 10 9 Circuit Diagram part3 10 10 Exploded View 10 10 Partslist 10 12 3CDC LC VCD 3 Disc Carousel Changer Layout stage 1 ...

Page 64: ...emove short circuit from Laserunit CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE CD DRIVE ELECTRONICS WHEN CONNECTING A NEW CDM MECHANISM THAT S WHY BESIDES THE SAFETY MEASURES LIKE SWITCH OFF POWER SUPPLY ESD PROTECTION ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN WARNING fig 1 Attention The laser diode of this CD drive is protected against ESD by a solder joint which shortcir...

Page 65: ...10 3 Service Position ...

Page 66: ...10 4 Wiring ...

Page 67: ... valid Play Position Closed if the tray is in one endposition Open during movement Open if the drive is in one endposition Closed during movement VDD pin 16 EN1 pin 15 Power on FOCUS MOTOR RADIAL MOTOR SLEDGE MOTOR MOTOR TURNTABLE 55 54 56 59 19 15 34 3 CD Text LC89170M EXCK SBSO SCOR WFCK MCK SRDT DQSY SCLK 7816 DQSY 3 13 SRDT 4 12 µP_CLK 2 11 1805 VCD Version 1802 5 3 7 14 12 10 13 18 17 16 16 1...

Page 68: ... F4 3822 F4 3823 F3 3824 F3 3825 E3 3826 E3 3827 D4 3828 D2 3829 F4 3830 F4 3831 F2 3832 C3 3833 E4 3834 F4 3836 E3 3837 D2 3838 D2 3839 E2 3840 C3 3841 E1 3842 D2 3843 E2 3844 F1 3845 D2 3846 E2 3847 E1 3848 D3 3849 C3 3850 E1 3851 E4 3852 F1 3853 E4 3854 E2 3855 E3 3856 E4 3857 E4 3858 C2 3859 C2 3860 C2 3861 C2 3862 C4 3863 D2 3864 E4 3865 C4 3866 F3 3867 E4 3868 E4 3869 E4 3870 F1 3871 E2 3872...

Page 69: ...ponents only forseen 3872 1K 3876 1K 2852 47n Vref 3servo 2828 47u 3 3V 5V 3 3V 5V 10V 10V 33R 3863 from part 2 5V 5V 10V 10V VrefCD10 VrefCD10 1 6V 1 6V 3 3V 3 3V 3 2V 1 6V 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 7 8 9 10 A B C D E E F G H 1 2 3 4 5 6 F G H A B C D I I 7806 BC847B 3794 82K 3872 10K 6811 BAS216 5V 1 9V 1 6V 1V 0 8V 4 7V 0 2V 0 9V 1 6V 1 7V 2 9V 2 1V 3 0V U 400mV Laser damaged...

Page 70: ... F4 3822 F4 3823 F3 3824 F3 3825 E3 3826 E3 3827 D4 3828 D2 3829 F4 3830 F4 3831 F2 3832 C3 3833 E4 3834 F4 3836 E3 3837 D2 3838 D2 3839 E2 3840 C3 3841 E1 3842 D2 3843 E2 3844 F1 3845 D2 3846 E2 3847 E1 3848 D3 3849 C3 3850 E1 3851 E4 3852 F1 3853 E4 3854 E2 3855 E3 3856 E4 3857 E4 3858 C2 3859 C2 3860 C2 3861 C2 3862 C4 3863 D2 3864 E4 3865 C4 3866 F3 3867 E4 3868 E4 3869 E4 3870 F1 3871 E2 3872...

Page 71: ...x 8 CD Text circuit 470R 3706 2871 22n 3701 470R 3733 470R 3732 470R 3734 470R 3707 3774 100R 470R 3718 4K7 47n 2870 33K 3730 10K 3711 3705 220R DQSY 13 1 EXCK GND 7 MCK 5 SBSO 2 SCLK 11 SCOR 3 SRDT 12 SW1 9 SW2 10 TEST 8 14 VDD WFCK 4 XMODE 6 7816 LC89170M 470R 3708 10K 3731 RCK SUB CL11 SBSY SFSY 6809 5V SRDT CD TEXT INFO SCLK 3 3ms DQSY only during 4V TOC reading 4V 7 35KHz 11MHz BZX284 C3V9 no...

Page 72: ...0K 3755 220R 22K 3713 10K 3714 220R 3754 10V TRAY MOTOR CAROUSEL MOTOR CAROUSEL MOTOR to part1 Changer Control Logic M 1877 8003 RF 500TB 1 2 3 1878 RF 500TB 1876 8002 1875 2 4 4 2 M Thermal Shutdown Buffer TRAY MOTOR 10K 3736 22K 3738 100K 3737 3719 12K 3R3 3775 12 13 2 6 3 11 14 16 15 1 8 7 9 10 7814 LA6531 4 5 56K 3748 56K 3745 3747 22K 47p 2860 22K 3739 3752 39K 3753 39K 47p 2889 220n 2875 47u...

Page 73: ...04 07110 NAIL FIXATION BLACK 46 3103 304 06880 GEAR 2 47 3103 304 66530 BRACKET LOAD 48 3103 304 06910 CAM 49 3103 304 66510 GUIDING 51 3103 304 06900 GEAR 4 52 3103 304 06870 GEAR 1 53 3103 304 06960 PULLEY FRAME 54 3103 304 66910 DRIVING BELT DRAWER 55 4822 361 10753 TRAY MOTOR 56 4822 502 12548 SCREW M2 6X3 5 57 3103 304 68890 COVER VAM 59 4822 466 12146 RUBBER MECHANICAL PARTS Drawer Chapter 1...

Page 74: ...Ω 5 0 1W 3817 4822 051 30471 470Ω 5 0 06W 3818 4822 117 11503 220Ω 5 0 1W 3819 4822 051 20471 470Ω 5 0 1W 3820 4822 051 30472 4 7kΩ 5 0 06W 3821 4822 051 20472 4 7kΩ 5 0 1W 3822 4822 051 30272 2 7kΩ 5 0 06W 3823 4822 051 30102 1kΩ 5 0 06W 3824 4822 051 30102 1kΩ 5 0 06W 3825 4822 051 10102 1kΩ 2 0 25W 3826 4822 051 20223 22kΩ 5 0 1W 3827 4822 051 20273 27kΩ 5 0 1W 3828 4822 051 30223 22kΩ 5 0 06W ...

Page 75: ... 20008 CHIP JUMPER 0805 4898 4822 051 20008 CHIP JUMPER 0805 COILS 1810 4822 242 10849 CRYSTAL 8 46MHz DIODES 6801 4822 130 83757 BAS216 6802 4822 130 83757 BAS216 6803 4822 130 83757 BAS216 6804 4822 130 83757 BAS216 6805 4822 130 11383 BZX284 C5V1 6807 4822 130 11366 BZX284 C3V9 6808 4822 130 83757 BAS216 6811 4822 130 83757 BAS216 6812 4822 130 83757 BAS216 TRANSISTORS 7806 4822 130 60511 BC847...

Page 76: ...Technical remarks 10 14 ...

Page 77: ... source before the signal is amplified with a buffer amplifier Tr 7503 7504 The source signal is then split into recording path for recording on tape and main signal path to the PWM volume control c PWM VOLUME CONTROL The discrete volume control makes use of 4Transistors 7505 7506 7507 7508 ON4986 or selected BC557B and PWM control signal from µP For good performance transistors for the left and r...

Page 78: ...FW V320 21K 21M Features Configuration A54710 A54720 Aux in x x Sub woofer Out Digital Out I S x Voltage Selector x x Karaoke x x DBB x x DSC x x Matrix Sound x 1 band Spectrum Analyser x 3 band Spectrum Analyser x 18W x 25W x VCD x x NTC ECO MTF ETF7 x x NOTES ...

Page 79: ...4 3 6 1577 1 T2A 1205 C PAD 1 2 3 9274 9298 5202 3208 10M e C PAD 1201 1 2 9272 3139 118 54710 86420 3452 pt 1 dd wk106 23 X This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 118 3452 pt 1 dd wk106 VIDEO OUT PART CIRCUIT LAYOUT 3139 118 3452 pt 1 dd wk106 2 provision 1 2 3 4 1 2 3 4 A B A B ...

Page 80: ...11 4 CHIP LAYOUT MAIN PART This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 118 3452 pt 1 dd wk106 ...

Page 81: ...5 COMPONENT LAYOUT MAIN PART This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 118 3452 pt 1 dd wk106 ...

Page 82: ...569 1 2 1N4003 6226 6256 BZX79 C6V8 VCD 680R 3278 1561 1 4503 1567 D 4502 4221 6m8 2232 6222 1N4003 3275 4K7 2222 1u BZX79 C5V6 6228 220R 3268 BC369 7234 6235 1N4148 1N4003 6221 2229 100n 3254 T1 6A 1209 1391 1 2 10R 100n 2221 F1 BC337 25 7247 1K2 3219 e CD 12K 3261 2235 22n 2246 1n e B 3289 330R DIPMATE 25 1 2 3 4 1203 6268 1N4003 CD 1210 1 2 3 4 1566 2228 47u EH B 7238 1N4003 6220 1571 1 F1 BC84...

Page 83: ...3414 3403 2K2 2323 2579 3551 47p 2594 3400 3K9 3380 AL 3K3 3537 pa a 9 3561 470R 8 a 1323 D 6 2595 100p BC550C 7503 2351 220u 100n 2538 10K 3345 47n 2410 3325 100K a 27p 2530 68K 3525 pa 9210 1K 3594 4K7 3549 a S_C 2510 470p paa D 2597 1n5 3374 330R 2R2 3351 22n 2567 10p 2401 47R 3338 220p 2332 C a 330p 2554 3379 4K7 2366 33n BC847B 330R 68K 3543 2K2 3586 3356 7554 A 3 2 1 8 4 5K6 6327 7506 ON4986...

Page 84: ...3 1M mic_gnd 100R 3662 2643 1n 2644 220u BC847B 7650 1M 3643 6632 1N4148 4606 9620 4617 3651 100K 9619 10K 3653 3652 10K 150K 3665 7643 BC550C 4 5 6 mic_gnd 680p 2670 TC38 1642 9 8 7 1 2 3 2667 680p MPEG_gnd 9605 agnd agnd 2651 470n 5640 22 u 2669 100n agnd agnd 1 2 agnd 48 DIPMATE 470n 2645 BC847B 7645 220K 3680 7651 100n 2671 3637 820R BC858C MPEG_gnd 820R 3636 2664 100n 1M 3669 agnd 6K8 3663 ag...

Page 85: ...22n 1 2 3 4 5 6 5321 2u2 22n 2301 b 2u2 5322 b DIPMATE 58 3300 0R 0R TC38 1324 1 5 2 4 2u2 5324 3301 3139 118 54710 86600 3452 pt 1 dd wk106 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 118 3452 pt 1 dd wk106 This assembly drawing shows a summary of all possible versions For components ...

Page 86: ...20 16V 2500 4822 124 80195 470µF 20 10V 2501 5322 122 32268 470pF 5 63V 2502 5322 122 32268 470pF 5 63V 2503 4822 124 40433 47µF 20 25V 2504 4822 124 40433 47µF 20 25V 2505 4822 124 40433 47µF 20 25V 2506 4822 122 33891 3 3nF 10 63V 2507 4822 124 81151 22µF 50V 2508 4822 126 14043 1µF 80 20 16V 2509 4822 126 14043 1µF 80 20 16V 2510 5322 122 34099 470pF 10 63V 2511 5322 122 34099 470pF 10 63V 2512...

Page 87: ...0 1W 3373 4822 116 52219 330R 5 0 5W 3374 4822 053 10331 330R 5 1W 3379 4822 051 20472 4k7 5 0 1W 3380 4822 051 20392 3k9 5 0 1W 3381 4822 116 52175 100R 5 0 5W 3382 4822 116 83933 15k 1 0 1W 3383 4822 051 20223 22k 5 0 1W 3384 4822 051 20223 22k 5 0 1W 3385 4822 117 10834 47k 1 0 1W 3386 4822 117 10834 47k 1 0 1W 3387 4822 117 11149 82k 1 0 1W 3388 4822 051 20334 330k 5 0 1W 3390 4822 051 20154 1...

Page 88: ...805 4521 4822 051 20008 0R Jumper 0805 4522 4822 051 20008 0R Jumper 0805 4523 4822 051 20008 0R Jumper 0805 4524 4822 051 20008 0R Jumper 0805 4525 4822 051 20008 0R Jumper 0805 4526 4822 051 20008 0R Jumper 0805 4527 4822 051 20008 0R Jumper 0805 4529 4822 051 20008 0R Jumper 0805 4530 4822 051 20008 0R Jumper 0805 4531 4822 051 20008 0R Jumper 0805 4532 4822 051 20008 0R Jumper 0805 4533 4822 0...

Page 89: ...8 6330 4822 130 30621 1N4148 6331 4822 130 31878 1N4003G 6452 4822 130 11589 LTL 1CHAE 6453 4822 130 11589 LTL 1CHAE 6454 4822 130 11589 LTL 1CHAE 6502 4822 130 34173 BZX79 B5V6 6549 4822 130 30621 1N4148 6550 4822 130 30621 1N4148 6551 4822 130 30862 BZX79 B9V1 6553 4822 130 31878 1N4003G 6632 4822 130 30621 1N4148 6633 4822 130 30621 1N4148 TRANSISTORS INTEGRATED CIRCUITS 7233 9322 139 22687 BD2...

Page 90: ...7B 7548 4822 130 60511 BC847B 7549 4822 130 60511 BC847B 7550 4822 130 60511 BC847B 7554 4822 209 31378 NJM4556MB 7556 3198 010 44010 PDTA114ET 7641 4822 130 41096 BC550C 7642 4822 130 41096 BC550C 7643 4822 130 41096 BC550C 7645 4822 130 60511 BC847B 7646 4822 130 60511 BC847B 7647 4822 130 60511 BC847B 7650 4822 130 60511 BC847B Note Only the parts mentioned in this list are normal service spare...

Page 91: ...12 1 12 1 EXPLODED VIEW MAIN UNIT ...

Page 92: ...Volume Rotary 152 3139 114 72010 Knob Karaoke 153 3139 118 15540 Cover Control 158 3139 118 13500 Cover Cassette Left 159 3139 118 13510 Cover Cassette Right 160 3139 114 71840 Lens Cassette Left 161 3139 114 71850 Lens Cassette Right 197 4822 443 10488 Door Cassette Right 198 4822 443 10487 Door Cassette Left 199 4822 402 10621 Push Catch 200 4822 529 10322 Damper Assembly 203 4822 492 11344 Spri...

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