Magnavox 19ME601B Service Manual download pdf (Page 73)

10-8

390K

R603

560P/2KV

C606

KTC3199

-GR-AT/P

Q631

0.39/2W

R610

390K

R604

2200P

/100V

C645

2.2K

R611

2SC2120-Y

Q602

1800P

/100V

C608

TK5A50D

Q601

4V3BSB-T26

D605

0.082

/100V

C607

27BSB-T26

D606

0.039

/100V

C604

150

R607

390K

R605

IC601

LTV817MCF

P-ON-H1-SW

150

R608

AC CORD

AC601

39BSB-T26

D607

1200P

/100V

C605

HZS5.6NB2TE-EQ

D648

1.5K

R609

4700P/250V

C691

220

R612

270

/200V

C603

1N5397BD

D601

SURGE

ABSORBER

SA601

4A 125V

1.2/3W

R602

1N5397BD

D603

4A/125V

F601

L601

LINE FILTER

/1/2W

R601

1N5397BD

D604

0.47

/300V

C601

1N5397BD

D602

OPEN

D609

D610

2200P/250V

C692

KTC3199-GR-AT/P

Q633

KTC3199

-GR-AT/P

Q634

WIRE

R652

3V3BSB-T26

D649

6V8BSA-T26

D650

10BSB-T26

D416

2SA950-Y

Q643

123

IC631

LD1117V

VOUT

VIN

COM

OPEN

D652

10BSB-T26

D402

1/50V

C401

KTC3199

-GR-AT/P

Q401

OPEN

C402

3300/10V

C641

10K

R674

2SC4881F

Q640

22K

R668

1000

/6.3V

C652

KTA1267-QR-AT/P

Q639

KTC3199-GR-AT/P

Q638

R667

3.6K

R673

D662

KIA431-AT/P

3.3/50V

C661

R671

OPEN

C651

2SC2120-Y

Q637

220/10V

C650

TUNER+5V

2SC2120-Y

Q636

2SC2120-Y

Q635

D659

KIA431B-AT/P

10K

R633

10K

R660

R662

1.1K

R632

220/10V

C649

47/25V

C648

OPEN

R404

2200/10V

C639

DVD+5V

1000/25V

C643

OPEN

C644

OPEN

D644

OPEN

C640

1000/35V

C632

1500P/1KV

C633

1ZB43BB

D633

2SD400

Q201

10K

R211

0.01

C202

KTC3199

-GR-AT/P

Q203

KTA1267

-QR-AT/P

Q202

2.2K

R204

510

R203

D202

KIA431-AT/P

27K

R213

470/25V

C201

D210

470/25V

C631

27BSB-T26

D668

9.1K

R202

OPEN

C205

OPEN

R235

KTC3199

-GR-AT/P

Q205

R219

24BSC-T26

D205

10/50V

C204

8.2K

R218

KTC3199-GR-AT/P

Q206

2200/6.3V

C638

12K

R631

OPEN

C206

120

R222

15K

R223

7V5BSA-T26

D207

24 OE2

29 VCOM-PWM

21 AL+3.3V

15 PROTECT2

7 GND

CN301

1 P-ON-H2

25 REMOTE

26 BACKLIGHT-SW

28 BACKLIGHT-ADJ

3 GND

19 P-ON+3.3V

12 GND

18 GND

8 AMP(R)-OUT

2 AUDIO(L)-OUT(NU)

9 P-ON-H1

5 PROTECT3

6 AMP(L)-OUT

14 P-ON+5V

4 AUDIO(R)-OUT(NU)

16 P-ON+7V

22 AL+3.3V

17 GND

11 PROTECT1

20 P-ON+3.3V

23 GND

10 P-ON+3V

27 LED1

13 LED-R

AMP(L)-OUT

AMP(R)-OUT

LED1

BACKLIGHT-ADJ

VCOM-PWM

PROTECT3

REMOTE

BACKLIGHT-SW

PANEL+15V

INV+31V

TU-VT+31V

OPEN

Q905

OPEN

R932

OPEN

D901

OPEN

C921

OPEN

D908

OPEN

D909

OPEN

C910

DVD-M+10V(EV+9V

0.1

C203

10BSB-T26

D666

22/50V

C653

KTC3199

-GR-AT/P

Q641

100/16V

C654

P-ON+9V

KTC3199

-GR-AT/P

Q210

150

R239

OPEN

D667

22/50V

C655

470

R655

56K

R209

6.8K

R210

D406

D407

D409

47K

R406

47K

R408

47K

R407

KTC3199

-GR-AT/P

Q402

RESET

GND5

11 GND

PANEL+13V2

PANEL+24.5V4

PANEL+3.3V7

CN201

GND1

PANEL+13V3

PANEL+3.3V6

9 GND

PANEL-7.1V8

10 VCOM

SP+14V

D405

PROTECT1

P-ON+5V

P-ON+9V

P-ON+3.3V

D412

D411

D410

OPEN

D403

D408

KTC3199

-GR-AT/P

Q172

KTC3199

-GR-AT/P

Q171

VCOM

0.1

C685

22K

R412

R677

D653

0.1

C681

0.1

C682

0.1

C683

0.1

C684

0.1

C656

0.1

C646

4V7BSB-T26

D657

100/10V

C647

P-ON+5V

AL+3.3V

PANEL+13V

BEAD

BC601

100/25V

C636

36BSB-T26

D637

10/50V

C207

0.1

C218

0.1

C219

0.1

C221

0.1

C220

SB2A0BD

D631

SB360BH

D641

SB240-B/P

D638

D608

D208

D903

OPEN

D642

FR154

D655

D209

FR154

D654

OPEN

D661

D204

D645

D651

SB160

D670

D201

D646

WIRE

D660

D206

FR104-B

D401

FR104-B

D636

WIRE

D665

D902

OPEN

D203

FR151-B/P

D639

FR252

D643

OPEN

D647

D404

OPEN

D640

SB3200BR

D632

680

R649

330

R215

120

R641

270

R670

3.9K

R240

22K

R644

3.3/1W

R684

R689

47K

R206

0.18/1W

R672

10K

R669

220

R637

6.8K

R208

22K

R642

620

R685

2.7

/1/2W

R659

2.7K

R658

820

R639

820

R654

22K

R221

680

R661

R676

220

R635

2.7K

R638

22K

R175

7.5K

R645

2.7K

R217

3.3

R690

R688

22K

R413

22K

R212

5.6K

R402

R675

820

R681

2.7K

R216

47K

R647

R651

OPEN

R174

3.3K

R214

36K

R403

22K

R411

WIRE

R682

OPEN

R171

18K

R640

OPEN

R930

5.6/1W

R201

3.3

R663

10K

R648

820

R653

3.9

R664

OPEN

R173

OPEN

R636

22K

R643

3.3/1W

R683

680

R650

1.5K

R205

680

R656

OPEN

R680

OPEN

R405

R401

47K

R220

3.9

R665

22K

R666

22K

R172

R686

6.8K

R207

OPEN

R414

12K

R634

820

R646

OPEN

R906

612

POWER TRANS

T601

R699

330K

R606

R176

OPEN

R698

D656

1ZB220-YBB

D612

STUVWXY

30.6

SWITCHING

CONTROL5.8

MAIN CBA

0.4

134.0

ERROR

VOLTAGE DET

30.6

5.7

31.6

HOT CIRCUIT. BE CAREFUL.

COLD

0.2

HOT

(SWITCHING)

(FEED BACK)

0.4

5.8

6.3

13.3

(+5V REG)

(+3.3V REG.)

(SW+3.3V)

(SW+5V)

(RESET)

(SW+13V)

(SW+24.5V)

(SW-7.1V)

CONTINUE

MAIN 3

CONTINUE

MAIN 1

(SW+9V)

CONTINUE

MAIN 1

CONTINUE

MAIN 2

CONTINUE

MAIN 3

CONTINUE

MAIN 2

CONTINUE

MAIN 3

(SWITCHING)

(SW+9V)

UNLESS OTHERWISE SPECIFIED:

DIODES ARE 1SS133.

TO LCD MODULE

ASSEMBLY

3.3

2.6

3.4

3.3

5.2

3.3

0.6

2.6

0.6

6.9

0.7

3.3

3.2

0.9

3.3

3.2

2.1

(SWITCHING)

5.9

-3.7

13.9

15.4 13.3

31.1

31.8 31.7

0.1

0.7

-9.1

-9.2

-8.5

0.2

0.7

6.7

31.8 6.4

5.1

5.8 5.0

5.12.1 3.4

-1.3

3.1

10.3

11.6 9.6

9.9

13.8 9.2

24.3

0.4

0.6

4.7

4.0

5.2 3.3

6.1

6.9 6.9

0.2

0.7

5.9

5.26.8

5.9

5.26.8

5.9

5.26.7

24.9

24.331.2

TO DIGITAL MAIN

CBA UNIT CN3002

FL11.0SCMB4

Main 4 Schematic Diagram [TYPE B]

NOTE:

The voltage for parts in hot circuit is measured using

hot GND as a common terminal.

CAUTION !

Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.

If Main Fuse (F601) is blown , check to see that all components in the power supply

circuit are not defective before you connect the AC plug to the AC power supply.

Otherwise it may cause some components in the power supply circuit to fail.

For continued protection against risk of fire,

replace only with same type 4 A, 125V fuse.

CAUTION ! :

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

4A/125V

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 133 134

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Magnavox 19ME601B Service Manual Page 73

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