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FWC50C37 (continued)

3509 220 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11503

3510 220 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11503

3511 680k, 5% 0,5W. . . . . . . . . . . . 4822 116 52298

3514 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3516 220 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11503

3523 10k, 1%, 0.1W. . . . . . . . . . . . 4822 117 10833

3535 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3536 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3537 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3538 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3539 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3540 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3541 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3542 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3543 330 ohm, 1%, 1.25W . . . . . . . . . 4822 117 13577

3544 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3545 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3546 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3547 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3548 1.5k, 1%, 0.1W . . . . . . . . . . . 4822 117 11139

3549 680k, 5%, 0.1W . . . . . . . . . . . 4822 051 20684

3550 47k, 1%, 0.1W. . . . . . . . . . . . 4822 117 10834

3551 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3552 1.5k, 1%, 0.1W . . . . . . . . . . . 4822 117 11139

3553 680k, 5%, 0.1W . . . . . . . . . . . 4822 051 20684

3554 47k, 1%, 0.1W. . . . . . . . . . . . 4822 117 10834

3555 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3556 1.5k, 1%, 0.1W . . . . . . . . . . . 4822 117 11139

3557 680k, 5%, 0.1W . . . . . . . . . . . 4822 051 20684

3558 47k, 1%, 0.1W. . . . . . . . . . . . 4822 117 10834

3559 470k, 5%, 0.1W . . . . . . . . . . . 4822 051 20474

3560 1 ohm, 5%, 0.5W. . . . . . . . . . . 4822 116 80176

3561 1 ohm, 5%, 0.5W. . . . . . . . . . . 4822 116 80176

3566 220 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11503

3567 220 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11503

3568 220 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11503

3570 82k, 1%, 0.1W. . . . . . . . . . . . 4822 117 11149

3571 82k, 1%, 0.1W. . . . . . . . . . . . 4822 117 11149

3572 82k, 1%, 0.1W. . . . . . . . . . . . 4822 117 11149

3575 82k, 1%, 0.1W. . . . . . . . . . . . 4822 117 11149

3576 1k, 2%, 0.25W. . . . . . . . . . . . 4822 051 10102

3577 470 ohm, 5%, 0.1W. . . . . . . . . . 4822 051 20471

3578 10k, 1%, 0.1W. . . . . . . . . . . . 4822 117 10833

3585 1Meg, 5%, 0.1W . . . . . . . . . . . 4822 051 20105

3586 47k, 5%, 0.5W. . . . . . . . . . . . 4822 116 83884

3587 47k, 5%, 0.5W. . . . . . . . . . . . 4822 116 83884

3593 1k, 2%, 0.25W. . . . . . . . . . . . 4822 051 10102

3600 270 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11504

3601 270 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11504

3602 270 ohm, 1%, 0.1W. . . . . . . . . . 4822 117 11504

4400 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4401 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4402 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4403 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4420 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4421 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4422 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4423 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4424 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4425 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4426 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4427 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4428 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4429 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4430 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4431 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4432 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4433 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4434 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4435 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4436 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4437 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4438 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4439 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4440 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4441 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4442 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4443 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4445 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4446 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4447 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4448 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4449 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4450 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4451 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4452 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4453 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4454 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4455 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4456 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4457 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4458 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4459 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4460 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4461 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4462 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4463 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4464 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4465 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4466 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4467 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4468 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4469 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4471 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4473 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4474 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4475 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4476 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4477 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4478 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4479 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4480 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4481 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4482 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4484 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4485 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4490 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4492 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4493 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4494 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4495 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4496 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4497 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4600 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4601 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4602 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

4603 0 ohm, Jumper 0805 . . . . . . . . . 4822 051 20008

COILS & FILTERS

5400 Coil, 2.2uH, 5%. . . . . . . . . . . 4822 157 62552

5401 Coil, 2.2uH, 5%. . . . . . . . . . . 4822 157 62552

SEMICONDUCTORS

6400 Diode, 1N4003G . . . . . . . . . . . 4822 130 31878

6402 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

6403 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

6404 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

6405 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

6461 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6462 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6463 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6464 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6465 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6467 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6468 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6469 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6470 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6471 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6472 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6473 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6474 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6475 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6476 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6480 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6484 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6485 Diode, 1N4003G . . . . . . . . . . . 4822 130 31878

6486 Diode, 1N4148. . . . . . . . . . . . 4822 130 30621

6500 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

6501 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

6502 Diode, LTL-1CHGE . . . . . . . . . . 4822 130 10791

7400 IC, TMP87CS71F - 'C50S52211' . . . . 3139 110 52210

7402 IC, M24C01-WBN6. . . . . . . . . . . 9322 143 19682

7404 IC, GP1U28XP . . . . . . . . . . . . 4822 130 10165

7405 IC, 74HC4094D. . . . . . . . . . . . 4822 209 15449

7420 Transistor, BC847B . . . . . . . . . 4822 130 60511

7421 Transistor, BC847B . . . . . . . . . 4822 130 60511

7422 Transistor, BC847B . . . . . . . . . 4822 130 60511

7425 Transistor, BC847B . . . . . . . . . 4822 130 60511

7426 Transistor, BC847B . . . . . . . . . 4822 130 60511

7427 Transistor, BC847B . . . . . . . . . 4822 130 60511

ECO5 TUNER BOARD PARTS LIST

ECO5 TUNER BOARD PARTS LIST

MISCELLANEOUS

1101 Antenna Socket 300 ohm . . . . . . . 4822 267 31505

1102 Antenna Socket Coax IEC 75 ohm . . . 4822 267 10283

CAPACITORS

2101 100pF., 5%, 50V. . . . . . . . . . . 5322 122 32531

2101 47pF., 1%, 63V, for USA. . . . . . . 4822 126 13692

2102 10nF., 20%, 50V. . . . . . . . . . . 4822 122 33177

2103 1nF., 10%, 50V . . . . . . . . . . . 5322 122 34123

2104 100pF., 10%, 50V . . . . . . . . . . 4822 122 33195

2106 Trimmer, 4-20pF., for LW version . . 4822 125 50355

2106 Trimmer, 3-11pF., 100V . . . . . . . 4822 125 60101

2107 1uF., 10%, 63V . . . . . . . . . . . 4822 121 51319

2108 100pF., 5%, 50V, for LW version. . . 5322 122 32531

S = Safety Part Be sure to use exact replacement part.

Содержание FW-C50/37

Страница 1: ...GIC CIRCUIT 14 27 FRONT BOARD CBA TOP VIEW 15 0 FRONT BOARD CBA BOTTOM VIEW 16 0 CDC KEYBOARD STANDBY LED CBAs BOTH SIDES 17 KARAOKE BOARD CBA TOP VIEW 18 KARAOKE BOARD CBA BOTTOM VIEW 19 RECORDER MTF BOARD CBA TOP VIEW 20 RECORDER MTF BOARD CBA BOTTOM VIEW 21 CD BOARD 3CDC LC CBA TOP VIEW 22 CD BOARD 3CDC LC CBA BOTTOM VIEW 23 POWER MODULE P4 99 CBA TOP VIEW 24 POWER MODULE P4 99 CBA BOTTOM VIEW ...

Страница 2: ...mself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected Hereafter throughout this manual Philips Consumer Electronics Company will be referred to as Philips WARNING Critical components having special safety characteristics are identified with a or S by the Ref No in the parts list and enclosed within a broken line where se...

Страница 3: ...he Ref No in the parts list and enclosed within a broken line where several critical components are grouped in one area along with the safety symbol on the schematic diagrams and or exploded views 7 When servicing any unit always use a separate isolation transformer for the chassis Failure to use a separate isolation transformer may expose you to possible shock hazard and may cause damage to servi...

Страница 4: ...s in a receiver with a problem of excessive high voltage reduce the line voltage by means of a Variac to bring the HV into acceptable limits while troubleshooting Do not operate the chassis longer than necessary to locate the cause of the excessive HV 6 New picture tubes are specifically designed to withstand higher operating voltages without creating undesirable X radiation It is strongly recomme...

Страница 5: ... procedure with the ac plug reversed Note An ac adapter is necessary when a polarized plug is used Do not defeat the polarizing feature of the plug OR With the instrument completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards Ins...

Страница 6: ...pe PARTS REPLACEMENT Many electrical and mechanical parts in Philips television sets have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc The use of a substitute part which does not have the same safety charac...

Страница 7: ...orrectly replace all missing protective shields including any removed for servicing convenience 2 When reinstalling the chassis and or other assembly in the cabinet be sure to put back in place all protective devices including but not limited to nonmetallic control knobs insulating fishpapers adjustment and compartment covers shields and isolation resistor capacitor networks Do not operate this in...

Страница 8: ...e manufacturer s warranty and may make you the servicer responsible for personal injury or property damage resulting therefrom 4 Picture Tube Implosion Protection Warning The picture tube in this receiver employs integral implosion protection For continued implosion protection replace the picture tube only with one of the same type number Do not remove install or otherwise handle the picture tube ...

Страница 9: ...onverters RF cables noise blocking capacitors and noise blocking filters etc C Use specified internal wiring Note especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation Tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing ac primary side components trans...

Страница 10: ...nnect the ac plug from the ac supply socket SAFETY CHECK AFTER SERVICING Examine the area surrounding the repaired location for damage or deterioration Observe that screws parts and wires have been returned to original positions Afterwards perform the following tests and confirm the specified values in order to verify compliance with safety standards 1 Clearance Distance When replacing primary cir...

Страница 11: ... as the knobs antenna terminals etc to be sure the set is safe to operate without danger of electrical shock Do not use a line isolation transformer during this test Use an ac voltmeter having 5000 ohms per volt or more sensitivity in the following manner Connect a 1500 ohm 10 wan resistor paralleled by 0 15 MFD ac type capacitor between a known good earth ground water pipe conduit etc and the exp...

Страница 12: ...nd semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by electrostatic discharge ESD 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any ESD on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging ESD wrist strap ...

Страница 13: ...replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your feet from a carpeted floor can generate static electricity ESD sufficient to damage an ES device NOTE to CATV system Installer This reminder is provided to call the CATV system installer s attention to article 820 22 of the NEC that provides guidelines for proper grounding a...

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Страница 33: ...mantling the Front Board Display Main Unit Exploded View to observe pos item numbers 1 Remove 1 screw C as indicated to loosen the Headphone Board pos 1101 A Display C E F screw removals within this view 2 Remove 5 screws E as indicated to loosen the Plate Front pos 254 3 Remove 4 screws F as indicated to loosen the Front Board pos 1102 A Dismantling of the MTF Module Display Main Unit Exploded Vi...

Страница 34: ...n of Mains Socket Repair Hint Temporary Board Removals During repair it is possible to disconnect the Tuner Board and CDC Module completely unless the fault is suspected to be in that area This will not affect the performance of the rest of the set Service Positions Display Service Position A Display Service Position B Note Use an insulation sheet to prevent the AF Board from being damaged or shor...

Страница 35: ...Display Main Unit Exploded View to observe pos item numbers ...

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Страница 58: ...MAIN CABINET EXPLODED VIEW ...

Страница 59: ...RECORDER BOARD MOUNTING DETAIL ...

Страница 60: ...TAPE MECHANISM EXPLODED VIEW ...

Страница 61: ...3CDC LT MODULE ASM EXPLODED VIEW ...

Страница 62: ...CD DRAWER BOTTOM VIEW ...

Страница 63: ...CD DRAWER TOP VIEW ...

Страница 64: ...Out Surround Out Subwoofer Out X Digital Out Matrix Surround X CD Text Dolby B RDS News Dolby Prologic DPL Incredible Surround Karaoke Features Voltage Selector Low Power Standby Clock Display Off Tuner board ECO5 Sys X Tuner board Tuner 95 Surround Loudspeakers X Specifications GENERAL Mains voltage 100V for 26 110 127V 220 240V Switchable for 21 21M 120V for 37 220V for 33 220 230V for 22 34 230...

Страница 65: ...dB 75dB Distortion at RF 1mV dev 75kHz 3 2 3dB Limiting point 7µV Crosstalk at RF 1mV dev 40kHz 18dB 26dB MW Tuning range 531 1602kHz 530 1700kHz for 21 21M 37 Grid 9kHz 10kHz for 21 21M 37 IF frequency 450kHz 1kHz Aerial input Frame aerial Sensitivity at 26dB S N 4 0mV M Selectivity at 18kHz bandwidth 18dB IF rejection 45dB Image rejection 28dB Distortion at RF 50mV m 80 5 7 LW Tuning range 153 2...

Страница 66: ... Rec Pb frequency response within 8dB 80Hz 12 5kHz Signal to noise ratio unweighted 44dB COMPACT DISC Measurement done at output conn of the CDC module Frequency response within 1 5dB 20Hz 20kHz Output level in Vrms 550mV 1dB unloaded Signal Noise ratio A weighted 80dBA Distortion at 1kHz 0 5 Channel difference at 1kHz 1dB Channel crosstalk at 1kHz 60dB De emphasis 0 or 15 50 mS Switched by subcod...

Страница 67: ...25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connector box 1Megohm 4822 320 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to connect product to mat or box 4822 320 11308 Complete kit ESD3 combining all above products 4822 320 10671 Handling SMD Chip Type Components Display Chip Componen...

Страница 68: ...Display Warning Safety Notice ...

Страница 69: ...Display Chip Component Removal Replacement ...

Страница 70: ...Display Tuner FM Measurement Setup ...

Страница 71: ...Display Tuner AM Measurement Setup ...

Страница 72: ...Display CD Measurement Setup ...

Страница 73: ...Display Recorder Measurement Setup ...

Страница 74: ...Display Panel Location Guide ...

Страница 75: ...84 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 1Megohm 4822 320 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to connect...

Страница 76: ...d CD drive 2 Connect paperclip to CD drive flexfoil to short circuit flexfoil Display Flexfoil Short circuit 3 Remove old CD drive 4 Remove short circuit from flexfoil 5 Connect flexfoil to new CD drive 6 Position new CD drive in its studs 7 Remove short circuit solder joint from Laser unit see below Attention The laser diode of a new replacement CD drive is protected against ESD by a solder joint...

Страница 77: ...Display Safety Warning Notices ...

Страница 78: ...Display Panel Board Location Guide ...

Страница 79: ...Display Service Test Program ...

Страница 80: ...Display Tuner Adjustment Table EC05 Tuner ...

Страница 81: ...Display Tape Module Adjustment Table MTF Module ...

Страница 82: ...Display Recorder PCB Bottom View ...

Страница 83: ...An additional small standby transformer connected in series to the mains transformer reduces power consumption in standby mode In case power is switched on the control line ECO is low relay 1208 is activated standby transformer 5211 is shortened and out of work When the set is switched off standby the control line ECO is high relay 1208 is not activated standby transformer 5211 is now connected in...

Страница 84: ...delivered by separate windings of the mains transformer 4 5VAC for FTD heating transformer pin 16 17 30V stabilized by the 30V regulator located on the amplifier part The supply part delivers 35V unstabilized transformer pin 9 10 typical value 35V 45V Stabilized 5V6 Stabilizer 7201 generates the supply voltage 5V6 for the microprocessor In fault condition the output voltage can rise up to approx 1...

Страница 85: ...221 7225 is now activated via 6233 7228 is blocked no base current anymore 7227 is blocked too no 12V These protections are implemented for saving the set electronic in any fault condition 30V regulator Grid supply for the FTD switched by the microprocessor Simple regulation with 6251 as reference Typical value 29V Maximum current 30mA VCD Supply Is a provision for versions with a Video CD Player ...

Страница 86: ...ransistor more and more conducting until the summary of the voltage drop on 3340 E B 7304 3342 becomes approx 1 4V Now the necessary VBE for a darlington type transistor is obtained 7305 begins to switch through and connects the again higher DC supply A slowly to the power stages 7305 regulates A same as described before for B 7322 and 7316 switch the ripple capacitor 2355 dependent on the output ...

Страница 87: ...ARAOKE MIC MIXING The AF6 Board has provisions which can be configured to cater for one of the following NK Non Karaoke SK Simple Karaoke which caters for single mic mixing with additional mic amplifier board FK Full Karaoke which caters for double mic mixing with additional mic amplifier board c DOLBY PRO LOGIC DPL INTERFACE The AF6 Board has provisions which can be configured to cater for Dolby ...

Страница 88: ...Overall Block Diagram ...

Страница 89: ...Tuner Block Diagram EC05 Tuner ...

Страница 90: ...Tape Module Block Diagram MTF Module ...

Страница 91: ...CD Block Diagram 3CDC LC Module ...

Страница 92: ... pos numbers refer to circuit diagram ...

Страница 93: ...Display B2 Supply Voltage Generation ...

Страница 94: ...Display C Supply Voltage Gereration ...

Страница 95: ...Display Simplified C Generation ...

Страница 96: ...All Models 1941 OVERALL WIRING DIAGRAM ...

Страница 97: ...All Models 1941 FRONT BOARD SCHEMATIC DIAGRAM ...

Страница 98: ...All Models 1941 CDC KEY STANDBY LED CIRCUIT DIAGRAMS ...

Страница 99: ...All Models 1941 KARAOKE BOARD CIRCUIT DIAGRAM ...

Страница 100: ...All Models 1941 TUNER BOARD ECO5 CIRCUIT DIAGRAM ...

Страница 101: ...All Models 1941 RECORDER MTF BOARD CIRCUIT DIAGRAM ...

Страница 102: ...All Models 1941 CD BOARD 3CDC LC CIRCUIT DIAGRAM PART 1 ...

Страница 103: ...All Models 1941 CD BOARD 3CDC LC CIRCUIT DIAGRAM PART 2 ...

Страница 104: ...All Models 1941 POWER 4 99 CIRCUIT SUPPLY PART ...

Страница 105: ...All Models 1941 POWER 4 99 CIRCUIT L R AMPLIFIER PART ...

Страница 106: ...All Models 1941 HEADPHONE BOARD CIRCUIT DIAGRAM ...

Страница 107: ...All Models 1941 AF6 BOARD CIRCUIT DIAGRAM PART 1 ...

Страница 108: ...All Models 1941 AF6 BOARD CIRCUIT DIAGRAM PART 2 ...

Страница 109: ...All Models 1941 AF6 BOARD DOLBY PRO LOGIC CIRCUIT ...

Страница 110: ...All Models 1941 FRONT BOARD CBA TOP VIEW ...

Страница 111: ...All Models 1941 FRONT BOARD CBA BOTTOM VIEW ...

Страница 112: ...All Models 1941 CDC KEYBOARD STANDBY LED CBAs BOTH SIDES ...

Страница 113: ...All Models 1941 KARAOKE BOARD CBA TOP VIEW ...

Страница 114: ...All Models 1941 KARAOKE BOARD CBA BOTTOM VIEW ...

Страница 115: ...All Models 1941 RECORDER MTF BOARD CBA TOP VIEW ...

Страница 116: ...All Models 1941 RECORDER MTF BOARD CBA BOTTOM VIEW ...

Страница 117: ...All Models 1941 CD BOARD 3CDC LC CBA TOP VIEW ...

Страница 118: ...All Models 1941 CD BOARD 3CDC LC CBA BOTTOM VIEW ...

Страница 119: ...All Models 1941 POWER MODULE P4 99 CBA TOP VIEW ...

Страница 120: ...All Models 1941 POWER MODULE P4 99 CBA BOTTOM VIEW ...

Страница 121: ...All Models 1941 HEADPHONE BOARD CBAs BOTH SIDES ...

Страница 122: ...All Models 1941 AF6 BOARD CBA TOP SIDE ...

Страница 123: ...All Models 1941 AF6 BOARD CBA BOTTOM SIDE ...

Страница 124: ...751 RESISTORS 3397 330 ohm 1 1 25W 4822 117 13577 3400 1k 2 0 25W 4822 051 10102 3401 10k 1 0 1W 4822 117 10833 3402 1k 2 0 25W 4822 051 10102 3403 10k 1 0 1W 4822 117 10833 3404 470 ohm 5 0 1W 4822 051 20471 3405 10k 1 0 1W 4822 117 10833 3406 1k 2 0 25W 4822 051 10102 3407 1k 2 0 25W 4822 051 10102 3408 10k 1 0 1W 4822 117 10833 3409 470 ohm 5 0 1W 4822 051 20471 3410 1k 2 0 25W 4822 051 10102 3...

Страница 125: ...umper 0805 4822 051 20008 4457 0 ohm Jumper 0805 4822 051 20008 4458 0 ohm Jumper 0805 4822 051 20008 4459 0 ohm Jumper 0805 4822 051 20008 4460 0 ohm Jumper 0805 4822 051 20008 4461 0 ohm Jumper 0805 4822 051 20008 4462 0 ohm Jumper 0805 4822 051 20008 4463 0 ohm Jumper 0805 4822 051 20008 4464 0 ohm Jumper 0805 4822 051 20008 4465 0 ohm Jumper 0805 4822 051 20008 4466 0 ohm Jumper 0805 4822 051 ...

Страница 126: ...1 20008 4102 0 ohm Jumper 0805 for 2 Band only 4822 051 20008 4103 0 ohm Jumper 0805 4822 051 20008 4104 0 ohm Jumper 0805 4822 051 20008 4105 0 ohm Jumper 0805 4822 051 20008 4106 0 ohm Jumper 0805 4822 051 20008 4108 0 ohm Jumper 0805 4822 051 20008 4111 0 ohm Jumper 0805 4822 051 20008 4120 0 ohm Jumper 0805 4822 051 20008 4150 0 ohm Jumper 1206 4822 051 10008 4151 0 ohm Jumper 0805 4822 051 20...

Страница 127: ...35 10k 5 0 5W HSD only 4822 116 83864 3736 2 2k 5 0 16W 4822 116 52256 3737 330k 5 0 5W 4822 116 52272 3738 220 ohm 5 0 5W 4822 116 83872 3740 10k 5 0 5W 4822 116 83864 3741 39 ohm 5 0 16W 4822 116 52193 3742 330k 5 0 5W 4822 116 52272 3743 220 ohm 5 0 5W 4822 116 83872 3745 10k 5 0 5W 4822 116 83864 3746 39 ohm 5 0 16W 4822 116 52193 3747 12k 5 0 5W 4822 116 52238 3748 470 ohm 5 0 16W 4822 116 83...

Страница 128: ... 11947 2861 10uF 20 16V 4822 124 11947 2862 220pF 5 63V 4822 122 33575 2863 220pF 5 63V 4822 122 33575 2864 22pF 5 50V 5322 122 32658 2865 22nF 10 63V 5322 122 32654 2867 220pF 5 63V 4822 122 33575 2869 47nF 10 63V 4822 126 13751 2872 47nF 10 63V 4822 126 13751 2873 47uF 20 16V 4822 124 80231 2875 10uF 20 16V 4822 124 11947 2876 220uF 20 4822 124 12245 2877 47pF 1 63V 4822 126 13692 2878 220pF 5 6...

Страница 129: ...umper 0805 4822 051 20008 4848 0 ohm Jumper 0805 4822 051 20008 4849 0 ohm Jumper 0805 4822 051 20008 4876 0 ohm Jumper 0805 4822 051 20008 COILS FILTERS 5802 Coil 100uH 4822 156 31058 SEMICONDUCTORS 6871 Diode BAS216 4822 130 83757 6872 Diode BAS216 4822 130 83757 6873 Diode BAS216 4822 130 83757 6874 Diode BAS216 4822 130 83757 6875 Diode BZX284 C5V1 4822 130 11383 6877 Diode BZX284 C3V9 4822 13...

Страница 130: ...221 Diode BZX79 B11 4822 130 34488 6225 Diode BZX79 C8V2 4822 130 34382 6226 Diode 1N4148 4822 130 30621 6228 Diode 1N4148 4822 130 30621 6233 Diode BZX79 C15 4822 130 34281 6234 Diode 1N4148 4822 130 30621 6235 Diode 1N4148 4822 130 30621 6236 Diode 1N4148 4822 130 30621 6239 Diode 1N4148 4822 130 30621 6242 Diode 1N4148 4822 130 30621 6243 Diode BZX79 B8V2 4822 130 34382 6244 Diode BZX79 B3V9 48...

Страница 131: ...51 20223 3568 22k 5 0 1W 4822 051 20223 3569 4k7 5 0 1W 4822 051 20472 3570 4k7 5 0 1W 4822 051 20472 3571 4k7 5 0 1W 4822 051 20472 3572 4k7 5 0 1W 4822 051 20472 3573 4k7 5 0 1W 4822 051 20472 3574 4k7 5 0 1W 4822 051 20472 3575 220 ohm 1 0 1W 4822 117 11503 3576 220 ohm 1 0 1W 4822 117 11503 3577 1k 1 0 4W 4822 050 11002 3578 1k 1 0 4W 4822 050 11002 3580 1k 2 0 25W 4822 051 10102 3581 2k2 1 0 ...

Страница 132: ...rce 3139 117 89790 134 Button Standby Timer 3139 117 89800 138 Cover Orn SNP 3139 118 11570 139 Window Display 3139 118 10460 140 Knob Volume Rotary 3139 117 89830 144 Button Set SNP 3139 117 89840 147 Button Set Up Down Jog 3139 117 89850 148 Cover Orn Up Down Jog 3139 117 89860 158 Cover Cassette Right 3139 117 89870 159 Cover Cassette Left 3139 117 89880 160 Lens Cassette Right 3139 117 89890 1...

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