Magnavox 19ME601B Service Manual download pdf (Page 99)

10-34

GND

DIF +

DIF -

GND

KEY-IN1

P-ON-H1

AMP-L

AMP-R

PROTECT1

LED1

ALL+3.3V

RCV-IN

P-ON+3.3V

P-ON-H2

DVD-Pb

DVD-Y

PROTECT2

6.7Vfor1.0V

P-ON+5.0V

GND

ALL+3.3V

LED1

RCV-IN

P-ON+3.3V

P-ON+5.0V

3.5Vfor1.8V

6.7Vfor1.0V

GND

VCOM-PWM

VGH+24.5V

GND

SP+14V

GND

P-ON+9V

GND

S-SW

A-MUTE

M+9V

P-ON+5V

GND

P-ON+9V

P-ON+5V

LCD+13V

DVD-MAIN-PWR

P-ON-H2

GND

ALL+3.3V

TU+5.0V

GND

ALL+3.3V

GND

LCD+13V

P-ON+5V

GND

PROTECT2

P-ON-H1

LCD+13V

GND

31V

GND

P-ON-H2

J127

J128

R406

JS305

R215

JS306

R216

JS307

R217

JS308

R219

R602

R411

J137

R1103

J138

R226

J140

R228

J141

R229

J142

R1113

J147

R235

J150

R239

J151

J152

J153

J157

R240

J158

C205

J161

J162

J176

R655

J187

J190

J191

R661

R662

J197

C631

C633

R670

R671

R680

C648

C649

D203

D205

D208

D209

C652

D403

D404

D408

D409

L301

D601

D410

D411

J003

D631

D632

J010

J205

J011

Q1001

C1005

C1012

J215

J216

J219

C1019

Q1016

J220

J221

J222

D657

J224

D1003

Q1025

R1001

R1002

D662

C1031

CN301

J236

CN302

J239

J049

J240

D1020

D1021

D1022

D1023

D1024

D1025

J056

J057

J058

J062

J063

C303

C1058

J066

C306

J067

J068

J071

Q202

Q203

Q205

Q207

Q208

D301

Q209

D302

D303

Q402

R1093

Q210

JS1010

JS1011

J101

Q635

J106

Q636

J109

J119

J1015

P-ON+3.3V

R1032

J245

J246

GND

D417

J043

SP-GND

C632

J160

J064

J059

J060

J018

J124

J125

J126

R806

R807

J149

R826

R635

R638

R838

R649

C806

R651

R652

J183

J185

R656

C812

R675

R676

R679

C831

C838

C647

C650

C653

C654

D407

D412

D413

D414

D415

D416

Q901

Q902

Q903

Q905

Q906

Q907

J017

D645

D649

J022

J026

J027

D650

Q171

J029

D651

Q172

D652

J030

J032

J033

J034

J035

J036

J037

J038

J039

J230

J231

D665

D666

J041

CN303

J044

J046

J048

R904

R905

R906

J050

J051

J053

J054

J055

CN702

R917

J061

R919

CN901

R926

J070

J073

J074

J075

J079

R932

J080

J081

J082

J083

R172

C910

C916

C917

C918

C921

C928

Q801

D901

D902

D903

D905

D907

D908

D909

Q634

J105

J107

Q637

J108

Q641

JS101

GND

R930

Q1007

J213

Q1017

R1007

R1008

R1010

D1028

D1029

R1029

R1030

D1039

D1040

R1044

R1047

JS1012

JS1013

TUNER

TU302

TU301

BL-ON 15V

J045

GND

J077

J065

GND

J085

J086

J226

INV+31V

J132

J131

J146

J145

D653

R699

R698

J159

J002

LED-R

JS103

J040

J069

J1018

D1046

D1047

GND

REG

BL-ON+15V

-INA

GND

31V

-INB

GND

M+10V SW

GND

P-ON+9V

GND

DVD-A-POW

GND

for TU+5V

GND

DVD-LED

GND

IF-AGC

SDA

SCL

TU+5V

Q640

GND

32V-A

32V-S

5V-S

GND

DVD-LED

5V-A

forA

forS

GND

R1111

J201

Q1003

C1009

Q1009

C1010

C1013

Q1014

Q1015

Q1019

J223

J225

D1001

D1004

D1005

D1006

D1007

D1009

C1033

D1011

D1014

D1016

R1012

R1014

D1026

D1027

C1055

D1034

D1035

D1036

GND

C1001

C1002

C1007

D1002

D1008

D1010

D1012

D1013

D1015

R1013

R1017

C1059

T1002

R1091

R1092

R1094

H.V CAUTION

C1008

C1006

C1015

CN1001

COLD

HOT

TOOL NO.

A B C D E F G H I J

D602

D603

D604

L601

C1011

D1037

C1014

J001

PROTECT

CN1002

PCB STUD

C601

C603

C692

D611

D612

HOT

FH602

SA601

F601

4A/125V

BLACK

WHITE

REPLACE FUSE AS MARKED

RISK OF FIRE-

COLD

TM601

TM602

R601

R603

R604

R610

FH601

C607

C819

D607

D608

D609

BC601

J100

CN862A

CN872

R606

AC601

FET-G

R605

R607

R608

R609

R611

R612

C604

C605

C606

C608

J180

D606

Q601

Q602

TRANS-D

COLD

HOT

D605

C643

D610

T601

C691

D643

R631

J189

D636

D638

J188

C638

D401

D641

J237

Q401

31V

C636

D637

D668

C401

C641

D402

BA01NDF0101 4

VT+32V

31V

R1117

R1118

C655

D661

D667

D1019

R1033

R1034

R1096

R1097

Q638

J1001

Q639

J1017

J122

15V

VGH+24.5V

GND

C661

Q1020

D660

J1005

J1004

R1100

R1101

R1102

J203

Q1006

Q1008

Q1010

Q1011

C1023

J227

D1018

R1026

D1030

R1031

J078

J1003

J117

J118

J076

GND

2IN+

15V

Q1024

LCD+13V

R1108

C207

D207

Q1002

Q1004

J209

J210

Q1012

Q1018

C1027

R1003

R1006

J241

C1053

D1031

D1045

R1049

R1065

R1066

R1074

JS1005

JS1006

JS1007

J1006

J214

J208

J204

BL-ON 15V

GND

JS1004

DRIVE

GND

2IN+

REF+5V

IC Vcc

DTC

GND

J199

J200

J211

Q1023

D1033

D1038

D1041

R1095

J1002

ADJ SW

GND

BL-ADJ

BL-SW

P-ON+3.3V

PROTECT3

VGL-7.1V

LCD+13V

GND

VGL-7.1V

D405

CN201

C209

J167

J168

J169

J171

J173

J174

J175

J178

J179

J228

J229

VCOM

GND

VT+32V

R218

C204

J164

J165

C217

J170

J177

J186

D201

D202

D206

D406

R207

R208

R222

R223

J154

C201

J163

J166

J172

R672

D204

D210

Q201

Q206

R201

GND

LCD SW

LCD+13V

C7A3 A3

5.5Vfor3.3V

P-ON-H2

6.7Vfor5.0V

5.5Vfor3.3V

RESET

P-ON-H2

GND

INV+31V

ALL+3.3V

INV+31V

J133

J134

J143

J144

J193

R663

J194

R664

R665

R690

D642

D659

J114

J116

J123

J148

J234

P-ON-H2

J135

J136

J139

R650

J232

J113

R659

R682

D654

D655

D670

J111

J120

R684

J129

J130

for ALL+3.3V

for P-ON+5V

for TU+5V

E234498

A01NMPW

Q904

R922

R923

R924

R925

R927

R929

R933

C904

C639

C640

R683

R688

R689

L901

D639

D640

IC631

J042

J242

R912

R913

R914

CN902

R928

D906

IC901

Q643

J192

J195

GND

31V

GND

IC601

J102

R637

R658

D646

D647

D648

Q633

J104

R634

D644

C919

J103

J052

J047

GND

Q631

D656

C645

P-ON SW

GND

AMP-R-HP

SP-GND

AMP-L-HP

RIPPLE REJECTION

C805

J181

C813

D805

D808

D809

IC801

J007

J008

J019

J021

J072

J084

A-Protect

AMP-R-HP

GND

SP-GND

D804

J009

J020

J025

J028

CN102

J247

Main CBA Top View [TYPE B]

NOTE:

The voltage for parts in hot circuit is measured using

hot GND as a common terminal.

Because a hot chassis ground is present in the power supply

circuit, an isolation transformer must be used when repairing.

Also, in order to have the ability to increase the input slowly,

when troubleshooting this type of power supply circuit,

a variable isolation transformer is required.

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

BA01NDF01014

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 133 134

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Magnavox 19ME601B Service Manual Page 99

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