JVC AV-20320/S, AV-20321/S Schematics

SCHEMATIC DIAGRAMS

COLOR TELEVISION

AV-20320
AV-20321

AV-20320/S AV-20321/S

CD-ROM No.SML200203

BASIC CHASSIS

FV5

CONTENTS

NOTE ON USING CIRCUIT DIAGRAMS

SEMICONDUCTOR SHAPES

BLOCK DIAGRAM

CIRCUIT DIAGRAMS

PATTERN DIAGRAMS

CHANNEL CHART

COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.

2-1

2-2

2-3

2-5

2-9

2-11

No.51964

Mar. 2002

AV-20320

STANDARD CIRCUIT DIAGRAM

NOTE ON USING CIRCUIT DIAGRAMS

1.SAFETY

The components identified by the symbol and shading are
critical for safety. For continued safety replace safety critical
components only with manufactures recommended parts.

2.SPECIFIED VOLTAGE AND WAVEFORM VALUES

The voltage and waveform values have been measured under the
foll owin g condition s.

(1)Input signal : Color bar signal

(2)Setting positions of
each knob/button and
variable resistor

(3)Internal resistance of tester

:DC 20k

/V

(4)Oscil loscope sweeping time

:H

20µS/div

:V

5mS/div

:Others

Sweeping time is
specified

(5)Voltage values

:All DC voltage values

Sin ce the voltage values of si gnal circuit vary to some extent
according to adjustments, use them as reference values.

3.INDICATION OF PARTS SYMBOL [EXAMPLE]

In the PW board

:R1209

R209

4.INDICATIONS ON THE CIRCUIT DIAGRAM

(1)Resistors

Resistance value

No unit :[

]

K

:[K

]

M

Rated allowable power
No indication :1/ 16 [ W]

Others :As specified

Ty pe

No indication

:Carbon resistor

OM R

:Oxi de metal film resi stor

MFR

:Met al film resi stor

MPR

:Metal plate resistor

UNFR

:Uninflammable resistor

FR

:Fusible resistor

Composition resistor 1/2 [W] is specified as 1/2S or Comp.

(2)Capacitors

: Original setting position
when shipped

5.NOTE FOR REPAIRING SERVICE

This model's power circuit is partly different in the GND. The
difference of the GND is s hown by the LIVE : ( ) side GND and the
ISOLATED(NEUTRAL) : ( ) side GND.Therefore, care must be
taken for the following points.

(1)Do not touch the LIVE side GND or the LIVE side GND and the
ISOLATED(NEUTRAL) side GND simultaneously. If the above
caution is not respected, an electric shock may be caused.
Therefore, make sure that the power cord is surely removed from
the receptacle when, for e xample, the chassis is pulled out.

(2)Do not short between the LIVE side GND and ISOLATED(NEUTRAL)
side GND or never measure with a measuring apparatus measure
with a measuring apparatus ( oscilloscope, etc.) the LIVE side GND
and ISOLATED(NEUTRAL) side GND at the same time.
If the above precaution is not respected , a fuse or any parts will be broken.

Since the circuit diagram is a standard one, the circuit and
circuit constants may be subject to change for improvement
without a ny n otice.

NOTE
Due improvement in performance, some par t numbers show
in th e ci rcuit dia gram may not agree wi th those indicated i n
the part list.
When ordering parts, please use the numbers that appear
in the Part s List .

Ty pe

MM

:Metalized mylar capacitor

PP

:Polypropylene capacitor

MPP

:Metalized polypropylene capacitor

MF

:Metalized film capa citor

TF

:Thin film capacitor

BP

:Bipolar electrolytic capacitor

TAN

:Tantalum capacitor

(3) Coi ls

No unit

:[

µ

H]

Others

:As specified

(4)Power Supply

:B1

:9V

:5V

Respective voltage values are indicated

(5)Test point

:Test p oint

:Only test point display

(6)Connecti ng me thod

:Connector

:Wrapping or soldering

:Receptacle

(7)Ground symbol

:LIVE side ground

:ISOLATED(NEUTRAL) side ground

:EARTH ground

:DIGITAL ground

:[M ]

Capacitance valu e

1 or higher :[pF]

less than 1

:[µF]
Withstand voltage
No indication :DC50[V]

Others :DC withstand voltage [V]

AC indicated

:AC withstand voltage [V]

Electrolytic C apacitors

47/50[Example]:Capacitance value [µF]/withstand voltage[V]

No indication

:Ceramic capacitor

:B2 (12V)

AV-20320

/S

,AV-20321

/S

AV-20321

CHANNEL CHART (CA)

MODE CHANNEL

TV CATV

2-12

BAND

MID E 18

SUPER P 29

HYPER W+15 51

ULTRA W+31 67

REAL DISP

02

VL 04

VH 10

03

05
06
07
08
09

11
12

13
A14
B15
C16
D17

F19
G20
H21

I22
J23
K24
L25
M26

W+1 37
W+2 38
W+3 39
W+4 40
W+5 41
W+6 42
W+7 43
W+8 44

W+9 45
W+10 46
W+11 47
W+12 48
W+13 49
W+14 50

W+16 52
W+17 53
W+18 54
W+19 55
W+20 56
W+21 57
W+22 58
W+23 59
W+24 60
W+25 61
W+26 62
W+27 63
W+28 64
W+29 65
W+30 66

W+32 68
W+33 69
W+34 70

N27
O28

Q30
R31
S32
T33
U34
V35

W36

TUNER

BAND

.

MODE CHANNEL

TV CATV REAL DISP

NOTE:

TO RECEIVE THE SUBSCRIPTION OR
PREMIUM PROGRAMMING FROM CERTAIN
CABLE COMPANIES.
SPECIAL ADAPTERS MAY BE REQUIRED.

No.51964

BAND

W+35 71
W+36 72
W+37 73
W+38 74
W+39 75
W+40 76
W+41 77
W+42 78
W+43 79
W+44 80

ULTRA W+60 101

SUB

MID

UHF

TOTAL 180CH

W+45 81
W+46 82
W+47 83
W+48 84
W+49 85
W+50 86
W+51 87
W+52 88
W+53 89
W+54 90
W+55 91
W+56 92
W+57 93
W+58 94
W+59 100

W+61 102
W+62 103
W+63 104
W+64 105
W+65 106
W+66 107
W+67 108
W+68 109
W+69 110
W+70 111
W+71 112
W+72 113
W+73 114
W+74 115
W+75 116
W+76 117
W+77 118
W+78 119
W+79 120
W+80 121
W+81 122
W+82 123
W+83 124
W+84 125

A-8 01
A-4 96
A-3 97
A-2 98
A-1 99

VHF 124CH
UHF 56CH

14

69

TUNER

BAND

.

82 !

,2$$

AV-20320
AV-20321

Mar. 2002 No. 51964

AV-20320

CHANNEL CHART (US)

MODE CHANNEL

TV CATV

BAND

REAL DISP

.

TUNER

BAND

02
03

VL 04

05
06
07
08
09

VH 10

11
12

13
A14
B15
C16
D17

MID E 18

F19
G20
H21

I22
J23
K24
L25
M26
N27
O28
P29

SUPER Q 30

R31
S32
T33
U34
V35

W36
W+1 37
W+2 38
W+3 39
W+4 40
W+5 41
W+6 42
W+7 43
W+8 44
W+9 45

W+10 46
W+11 47
W+12 48
W+13 49
W+14 50

HYPER W+15 51

W+16 52
W+17 53
W+18 54
W+19 55
W+20 56
W+21 57
W+22 58
W+23 59
W+24 60
W+25 61
W+26 62
W+27 63
W+28 64
W+29 65
W+30 66

ULTRA W+31 67

W+32 68
W+33 69
W+34 70

MODE CHANNEL

TUNER

TV CATV REAL DISP

.

BAND

W+35 71
W+36 72
W+37 73
W+38 74
W+39 75
W+40 76
W+41 77
W+42 78
W+43 79
W+44 80
W+45 81
W+46 82
W+47 83
W+48 84
W+49 85
W+50 86
W+51 87
W+52 88
W+53 89
W+54 90
W+55 91
W+56 92
W+57 93
W+58 94
W+59 100

ULTRA W+60 101

W+61 102
W+62 103
W+63 104
W+64 105
W+65 106
W+66 107
W+67 108
W+68 109
W+69 110
W+70 111
W+71 112
W+72 113
W+73 114
W+74 115
W+75 116
W+76 117
W+77 118
W+78 119
W+79 120
W+80 121
W+81 122
W+82 123
W+83 124
W+84 125

A-8 01
A-4 96

SUB A-3 97

MID A-2 98

A-1 99

14

UHF

69

TOTAL 180CH

VHF 124CH
UHF 56CH

NOTE:

TO RECEIVE THE SUBSCRIPTION OR
PREMIUM PROGRAMMING FROM CERTAIN
CABLE COMPANIES.
SPECIAL ADAPTERS MAY BE REQUIRED.

BAND

AV-20321

CONTENTS

AV-20320
AV-20321

SEMICONDUCTOR SHAPES

BLOCK DIAGRAM
CIRCUIT DIAGRAMS

MAIN PWB CIRCU IT DIAGRAM

PATTERN DIAGRAMS

MAIN PWB & CRT SOCKET PATTERN

CHANNEL CHART

SEMICONDUCTOR SHAPES

TRANSISTOR

BOTTOM V IEW

IC

CHIP IC

2-2

BOTTOM VIEW FRONT VIEW TOP VIEW

N

N

E
C

B

OUT
E

IN

N

1

N

ECB

IN OUTE

BCE

(G)(D)(S )

FRONT VI EW

1 N

TOP VIEW

ECB

1

N

ECB

1 N

CHIP TR

1

TOP VIEW

C

BE

N

2-2

2-3

2-5

2-9

2-11

No.51964No.51964

2-11

BLOCK DIAGRAM

RGB
OUT

IC421

V.OUT

DY01

T522

FBT

D911

RECT

IF

TUNER

V01

CRT

CRT SOCKET

PWB

24

HB

HEATER

X-RAY

HV

FOCUS

SCREEN

B1

VIDEO

LED

REMOCON
RECEIVER

KEY

F901

IC701

MICRO COMPUTER

32
34

39 40 41 42

YS B G R

IC702

MEMORY

L

Q101

IF AMP

IC201

1CHIP DECODER

52 47

41

37

32

2221201987

BGR

RY901

F902

Q522

H.OUT

Q521

H.DRIVE

HD

TV.V

VIDEO

TV.V DET

R / G / B

VD

IC921

POWER
REGULATOR

MAIN PWB

39

CF161

4.5 FILTER

17

54

VC

SIF

SF101

Q132

BUFFER

CF131

4.5 TRAP

79

2625 3938

Q161

BUFFER

R

INPUT

L

R

AUDIO
VARI.OUT

SP

L

R

IC602

AUDIO AMP

1 13 6

8

Q131

BUFFER

43

41

L

RL

R

OUTIN

IC651

MTS&TONE CONTROL

RL RL

VARI.OUT IN

AUDIO

MPX

45

Q361

BUFFER

Q201
Q202

BUFFER

Q271

BUFFER

Y

C

Y

C

AV-20320
AV-20321

AV-20320
AV-20321

No.51964

2-3 2-4

No.51964

CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAMS

C602

MAIN PWB

SFV-1077A-M2

(20320/S)

IC601
OPT

OPT

C604

OPT

C603

OPT

A_GND

CN00S

S

MONO

Y601

OPT

SP01

A_GND

C601

OPT

R613

OPT

Q601

OPT

C611

OPT

V2

.47/50

R612
OPT

R611
OPT

SFV-1083A-M2

R236

OPT

C257

OPT

L251

OPT

C264

OPT

VC

8.9V

EF252

OPT

C283

OPT

NOTE

*1

:

*2

:

*3

:

*4

:

*5

:

*6

:

*7 MTZJ5.6A-T2

:

*8

:

*9

:

OPTY270

IN OUT

C258

OPT

C265

OPT

C277

OPT

5.1V

R249
OPT

R248

OPT

R250
OPT

2SA1037AK/QR/-X

2SC2412K/QR/-X

DTA124EKA-X

DTC124EKA-X

1SS133-T2

MTZJ9.1C-T2

RGP10J-5025-T3

1SR35-400A-T2

IC253

OPT

R235

OPT

R289

OPT

COMP

YOUT

COUT

VSS

TEST2

Q278
OPT

R247
OPT

0R 2SB709A/QR/-X

OR 2SD601A/QR/-X

(20321/

EF251

C263

OPT

OPT

C260

C259

OPT

OPT

R234
OPT

Q274
OPT

R279

OPT

R287
OPT

Q276
OPT

R285

OPT

IC252

OPT

VIN

R293

OPT

VDD

VCOIN

PIN

TEST1

C284

OPT

R246

R245

OPT

OPT

CF251
OPT

BW

OPT::

*

C279

OPT

C286

OPT

C285
OPT

:

BUS WIRE

NON-MOUNT(OPEN)

SAFETY PARTS

0Ω RESISTOR:0

DIFFERENCE PARTS

:

R298

0

Q273
OPT

R257

OPT
R270
OPT

N

C287
OPT

C278
OPT

R244

R241

OPT

OPT

R242

OPT

R243
OPT

R240
OPT

S

)

OPTC267

R269

C266

OPT

OPT

L252

R260

OPT

OPT

C269

C268

OPT

OPT

C280

OPT

R238
OPT

Q280

OPT
Q279
OPT

R239
OPT

R237
OPT

C254

10/50

R_OUT

L_OUT

V1

V2

MICOM

J004

QNN0348-001

R258

75

C252

10/50

SEL1

SEL2

D252
*6

BA7612NIC251

VIDEO SW

D254
*6

V1

R254

OPT

L

R

VTV

D652

*6

R672

C688

0.0047

J003

QNN0349-001

C

VIDEO

L

R

INPUT

D659

*6

L1

1K

Y

No.51964 No.51964

IC602 LA4446! AMP

IN

CH1

1.4V

0V

C616

N

R627
100

A_VCC

A_GND

R_OUT

L_OUT

R615

12K

C667

C668

1/50

4.2V

VOF

A-GND

IIC BUS

SDA

SCL

2.4V

2.2V
*6D660

R683

R684

560

560

SCL1

SDA1

R1

D651

C686

10/50

10/50

R671

1k

L

R

R256

OPT

EXT

REAR

OUT

Vcc

LNF

POGND

MUTE

2.3V

C627

470/16

C617

47/25

R619 47/25
560

R617

3.3k

R618

3.3k

R616

12K

VY

R271

R351

1.5k

R352
1k

VC

C664

10/16

TAN

1/50

1/50

C665

C666

33/50

2.7V

3.9V

d01

do2

IC651

VARIABLE
LINE

ROT

D-GND

C685

C687

0.0047

J002

OPT

VIDEO

AUDIO

INPUT

CH2 OUT

LBS

CH1

2.2V

9V

2.2V

2.3V

C624

100/16

C618

100/16

OPTR614

C614

1000/25

BWY609

8.7V
Q602

DTC323TK-X
SWITCH

0V

R626

OPT

R273

R272

OPT

1k

1k

L271
OPT

C272

OPT

C355

15p

CH

R354

2.7k

C352

68p

CH

1.5kR656

3.3/16

1/50C663

1%

5.1kR660

3.3kR655

15k

R658 1%

4.8V1.2V

3.7V

4.3V

4.8V

ITI

STI

WTI

SRB

WRB

MTS

UPC1851BCU

OUT TONE/SURROUND

TRO

SUR

LOT

4.3V

RBC

RTC

4.2V

4.2V

4.3V

4.2V

X

C607

C671

C672

0.0022

2.2/50

D658*6

C691

OPT

OPT

R689
OPT

75

R251

R259

75

RBS

2.2V

22L351

C662

TAN

0.1

C661

33k

R654

0.1

C673

4.1V

SOA

TLO

4.2V

C670
10/50

SAP DEMODULATIONdbx NR

C674

POGND

Y602

TV/EXT

R682

68k

4.2V3.1V

4.2V

2.2/50

SP01
SP02

RESET5VOUTPUT

5.5V

C719
47/25

Q271

*2

2.9V

R278

1.5k

Y

C

C005

0.01

K003

0

SDA1

0R003

SCL1

D004

D003

*6

*6

AV-20320
AV-20321

CEMN072-002

R688

1k

C690

10/50

L

D657

1

*6

R

VC

C006
47/25

D001

MTZJ33B-T2

BT

J007

L702

BW

IC001
AN7805F

10/50C004

3

ER2

CEMN065-002

J006

EL2

R263

100

VTV

Y170

X

C013

0.01

2

R687
1k

C689

10/50

D656

*6

STB5V

R265
1K

C255

10/50

CEMN065-001

RESET

STB5V

BUFFER

Q261

*1

0.8

TP-12B

L133

OPT

C140

OPT

SIF
GND

2SC5083/L-P/-T

J005

C171
OPT

1

C166

0.01

C165

OPT

Q101

IF AMP

L101

OPT

R261

X

R255

75

L132
OPT

C139
OPT

R163

4.7k

SIF 4.5MHz

CELT003-109J3

RF AGC

R101

82

Q132

BUFFER

0V

0V

R138
820

CN0CW

OPT

C172

R172
OPT

IC201
TA1242N

DECODER

T161

R102

5.6k

C102

0.01

R103

1.8k

*2

CE41505-001

0.01

C169

D751

POWER

SLR-342VR3F

S756

RED

QSW0619-003Z

R758

1.2k

R714

470

K701

QQR0582-001Z 56k

IC701

M37272MAH-501S

L701

4.7

C720

C721

47/25

0.01

CF702

QAX0428-001

2.2V

0V

Q704
DTC323TK-X
SWITCH

L131

R136

R135

22

820

560

CF161

4.5MHz

CF131

TRAP

AFCMPX

R164

3.3k

R104

100

1/2W

0.9V

BUFFER

CW

2.6V

ATT

NC

3.6V

4.7kR145

QQLZ014-R22

7.2V
Q101

R106

27

R105

18

R162

1k

*2Q161

C167

47p
CH

MPX

2.6V

4.6V

FM

DET

SIF TANK

2.6V

C134

4700p

L102

0.22

CF101
FTP47.25MF

SFSH4.5MCB

C168

OPT

2.6V

V

REF

3.1V

C133

.47/50

C108

68p
CH

C101

0.01

0V

SIF

LIMI

TER

AGC
DET

IF AGC

AGC FIL

4.3V

SAW FILTER

C170

CE42589-201

R137

1.5k

C103

0.01

4.5MHZ

CF701

CST8.00MTW

CERAMIC RESO.

OPTY701

0

R765

0V

2V

Vss

X OUT

DD

OSC2

V

4.7V

1.7V

0

R722

C723

C722

5p
CH

C761

OPT

C138

47/25

C163

47p

C164

47p

CH

L162
39

QQL03BJ-390Z

QQL03BJ-680Z

100/16C161

C162

0.01

0.01

7.5V

7.5V

PIF

SIF

GND

TANK

VCO

LOCK

DET

PIF

GND

PIF

1.9V

0.01

C104

L104

PIF GND

2V

X IN

OSC1

2.1V

5p
CH

CH

R161

1k

C136

8.5V

PIF

90

Q

DET

PIF

1.7V

C132

L103

R107

68

C711

.47/50

0

R766

R715

CNVss

RESET

5.2V

1M

R719

R723

R761

OPT

0V

0V

T131

CW TRANSF

QQR0907-001

OPT

3.6V

SIF

Vcc

PIF

Vcc

8.8V

1500P

OPT

OPT

C105

C307SF101

.47/50

100R133

1M

1k

SW

LOOP FILTER

100/16

1.6V

CV IN

S-IN

4.8V

0V

R134

8.6V

4.2V

C710

680p

C708

5%

C709

1000p

0.4V

VHOLD

MUTE

AGC

0V

1k

R732

0.001

C712

SEL1

D761

OPT

R142

100

*2Q131

BUFFER

1k

C303

0.01

L161

68

C304

100/16

VTV DET

1.6V

C

Vcc

V/C/D

BPF

I

DET

APC

VCXO

APC FILTER

5.9V

270

R131

X301

0.15

C131

0.022

C306

0.01C106
18k

R306

X301

QAX0310-001Z

3.58MHz

220p

C707

R713

1.9V

HLF

SEL1

4.7V

R721

R711

IC102 47

1.5

BWL163

R143

R144

R305

3V

AFT

AGC

4.5V

CH

C305

1/50

1k

4.7V 0.1V

2.3V

1k

OPT

OPT

OPT

39k

4.3V

AFC

RF

2PC309

CH

10p

10

L709

0.1C706
150p

4.6V

AVcc

LED_PWR

KEY-1

RF AFC

4.8V

0V

0.01

C704

1k

R710

SEL2

C

C207

.47/50

C214

10/50

C135

0.01

C215

1/50

4.4V

4.4V

Y

REF

DC

CLAMP

3.58
TRAP

DC REF

COLOR DEMOD

KILLER TINT

ANALOGUE RGB

GND

V/C/D

YS

4.5V

0V

C801

.47/50

C804

OPT

5V

D752

OPT

R757

R762

1.2K

OPT

C705

CH

4.8V

NC

LED_TMR

REMOCON

SDA1

SEL2

TV/EXT

3.2V

4.7V

R726

3.9k

560

R745

*6

OPT

C732

D718

SDA1

VC

Y202

OPT

56kR216

BLACK PEAK DET

3.1V3.2V

4.9V

BLACK

STRETCH

SMOOTH

Y-DL

RGB

4.5V

4.5V

NNN

C802

C803

.47/50

.47/50

R512

1K

D512
OPT

B

R

G

YS

R729

15K

4.8V
NC

0V

NCBUS

KEY-2

PW_ON/OFF

FREE

SCL1

SPK

ON/OFF

3.4V

0V

0V

3.9k

R728

6.8k

R730

560

*6D717

R746

OPT

C731

SPK

IC102 45

0.4

SCL1

BUS_FREE

VTV

330k

R215

*6

D251

1/50

C210

ACL

SYNC

SYNC

3V

1.6V

SHARP

CONTRAST

BRIGHT

WPL

MATRIX

LPF

CUT-OFF/DRIVE

RGB

3.1V

2.4V 2.3V

100

D-Vcc

R804

OPT

D801

D511

47/25

C511

R511

680

MTZJ3.3A-T2

9V

GRB

CRT SOCKET PWB

R716
150k

R717

C714

0.01

1.1V

AC

A-MUTE

4.5V

*5

D704

A_MUTE

R205

1.5k

Y206

OPT

C209
1/50

OPT

C213

ABL

X2

2.2V 0.7V

R805

R806

100

OPT

D803

D802

*5

D805

D804

MTZJ5.1B-T2

CN00TT

QSW0619-003Z

R754
10k
R755

4.7k

4.8V

4.8V

SCL2

SDA2

YsBG

NC

3.6V

R734

1.8k

CH

47p

C726

3.3k

R736

YS

BUFFER

2.3V

1.6V

Y201
OPT

CF501
CSB503F30
503KHz

5.9V

7.4V

D-GND

32fh

VCO

H

C/D

H

SEPA

V-RAMP

VD

4.8V 5V

100

C403

0.001

1k

OPT

R441

1/2W

VD

NFB

VOL+ VOL-

S755

R756
15k

*7D703

10k

R725

4.8V

NECK

3.6V

OPT

C728

OPT

C727

1k

R735

4.7K

R737

1.5k

R738

R740

BW

L705

B

C216

OPT

*2Q202

R220

C205
OPT

R204

0

R213

390

C212

0.1

R503

OPT

R501
360

1.1V

HD

H

32fh

OUT

H-AFC

AFC-1

VV

SEPA C/D

NFB

V-RAMP

OPT

D401

C402

2.2/50

V_RAMP

QSW0619-003Z

IC702

10k

R727

4.4V

V-SYNC

0V

OPT

C729

4.7K

R739

R742

1.5k

G

OPT

7.2V

C211
OPT

C504

R505

8.2k

1.3V

V-SEPA

FILTER

8.8V

6.3V

2.2/50

C401

S754

ATC24C02-20320

Vss

MEMORY

SDA

4.8V

4V

H-SYNC

R

0V

C730
OPT

4.7K

R741

1.5k

R

L201

OPT

Q201

OPT

2.9V

2.3V

R203
OPT

OPT

NC

0V

HP

RAY

RAMP

AFC-2

BUS I/F

H-Vcc

SCL

2.4V

0

R743

SCL1

C501

100/16

D501

*6

QSW0619-003Z

A1

A2

NP

SCL

4.8V 4.8V

SDA2

SCL2

Y

R222
OPT

Y205

0

C251

OPT

R253

OPT

C505
10/50

X

H

SDA

2.2V
R744

0

D716
OPT

SDA1

OPTD715

CH+ CH-

S753

R753

15k

A0

DD

V

C735

V1

R252
OPT

D203

R212

10k

R507
56k

IC102 19

4.5

IC102 20

4

IC102 21

4

R752

4.7k

C724

0.01

IC102 43

0.7

CONTROL

*5

R210

3.9k

470R211

R751

10k
S752
QSW0619-003Z

C725
220/10

10kR708

R704

10k

4.4V

C703

OPT

D702

OPT

4V

0V

*2Q701

H.PULSE DRIVE

*2Q203

3.3V

R209
470

D202

*5

MENU
S751

QSW0619-003Z

R709

R724

10k

1K

0V

R768

47K

*2Q702

V.PULSE DRIVE

0.1V

C701

OPT

IC102 32 IC102 22

3

D201

*5

R206

OPT

R219

1.2k

3.9V

C208
10/50

R208

4.7k

DEF_GND

R502

1.5K

C503

0.01

OR

R567

3.9k

11V

R568

22k

D563

*5

Q561
2SC2785/JH/-T
SWITCH

CN00C

4.8V

4.8V
R759

100

R760

R769
1K

2.7V

INVERTER

C7020.01

R706

0.0027
10k

R702
10k

1

R218

1.8k

C217
47/25

2.2kR506

D564

OPT

C502
10/50

Q562
2SA933AS/QR/-T
2SA1309A/QR/-T

SWITCH

C563

0.01

11.2V

R566

33k

11V

0V

R564

15k

BUS_FREE

NC

NC

C

CONTROL

IC751

GP1UM281QK

OUT

Vcc

GND

RECEIVER

C751
47/25

C752
OPT

100

AC

ON/OFF

*2Q703

D710

OPT

R705

82k

R701

56k

R565

0

C562

4.7/50

SCL1

SDA1

SCL2

SDA2

GND

EXT

PW

NECK

VP

STB18V

ABL

HD

HP

Y582
OPT

X_RAY

H_VCC

VD

NFB

V_RAMP

H_VCC

A_VCC

A_GND

BT

AV-20320
AV-20321

J602
QNS0155-001

R628

C620

0.1

C626

0.1

SP-ON/OFF

C653
47/25

4.2V

PD2

PHASE

DET

EL1

4.2V

A_MUTE

GND

C654

0.1

4.2V

FIXED

LINE

4.3V

7V

2.9V

PD1

FOR

270

1/2W
R629 1/2W
270

Y604

OPT

SPK

V2

C716

82 1/4W

47/25

FR

FR720

!

QRZ9017-820

A_MUTE

OPTC276

R277

R276

OPT

OPT

7V

1.7V1.7V

1.7V

2.8V

Vcc

0V

2.9V

0.1V

R3630.01

D361

R361

OPT

VRE

OUT

470

R669

OPT

OPT

0.01C651

C652
100/16

4.3V

9V

1/2

Vcc

Vcc

MOA

FOL

4V

4.3V

C679

1/50

470

R670

ANT INPUT

ER2

EL2

D655

*6

Y651

X

Y652

X

TUNER
TU001 QAU0274-001!

0V

IF1

NC

IF2

31.8V

BT

NC

5V

5V

8.2V
C012

BM

0.01

2.2V

SDA

2.4V

SCL

ADSEL

4.6V

TU

2.1V 1.6V

AGC

RNF

PRGND

CH2 IN

2.2V

0V

C622

BW

N

.47/50

C623

C619

R620

470/16

560

R621

4.7

1/2W

C625

470/16

R622

4.7

1/2W

D601

R625

*5

33k

C629

OPT

R653

6.8k

0.1C660

SI1

LTC

C675

0.0022

D602
*5

C628
OPT

IC271

OPT

C356

R652

C657

6.8k

2.2/50

C655

4.7/50

N

1kR651

C659

0.047

C658

C656

N

.47/50

1/50

4.2V

4.2V

0.3V

4.2V

4.8V

SDT

SOT

NDT

COM

PHD1

PHD2

PILOT

DET

EXT2

EXT1

IN

TV

OUT

IN

ER1

EL2

ER2

TVL

TVR

LBC

4.3V

4.2V 4.2V

4.2V

4.3V

4.3V

OPT

OPT

C678

C677

0.1

C676

D653

*6

C669
10/50

! !

CEBSS09D-03KJ2

SP01

Y603

OPT

SP02

CN10SS

STEREO

IC703 L78LR05E-MA

5V REG & RESET

INPUT

GND

CD

6.5V 5.2V

8.7V

C717

0.1

C718

0.01

OPTD276

1/50

R290

C274

56k

3.6V

C273

OPT

Y273

OPT

R291

47k

R362

R366

OPT

56k

Q361

*2

2.3V

Y274

R365

R367

OPT

1.5k

33k

MPX

CNMPX

COM

SOA
GND

RTV
LTV

CF001
QAX0349-001

47.25MHz

K001

BW

QQR0582-001Z

C003

220/10

C009
OPT

R004

C010
OPT

C002

OPT

C001

R146

10/50

5.6k

2-5 2-6

MAIN & CRT SOCKET PWB CIRCUIT DIAGRAM

AV-20320
AV-20321

AV-20320
AV-20321

PW

NECK

V_RAMP

X_RAY

A_VCC

STB18V

_ON/OFF

H_VCC

TUNER

BK

RK

GK

H

H

TP-E

QQL03BJ-390Z

Q373 C

110 140

U

V01
PICTURE TUBE
A51KRE89X(DT)

B

Y352

OPT

!

C392

0.001
3KV

QCZ0121-102

110

V01

G1SK371 G2 G3

E1

FOCUS

SCREEN

Q372 C

Q371 C

!

R385

12K

C373

C371

R372

R373
150

OPT

150

R371
150

OPT

2WOMR

2.2V

R388

2.7k

2WOMR

2.2V

R387

C372

2.7k

OPT

R383

2WOMR

2.1V

R386

2.7k

(20320/S)

(20321/

R384

129.5V

Q373
2SC4544-LB
B.OUT

1.8V

R376
330

12K

128V

Q372
2SC4544-LB
R.OUT

1.8V

R375
330

12K

1.32V

Q371
2SC4544-LB
G.OUT

R374
330

QETM2EM-336

S

)

BW

OPT::

:

*

MAIN PWB

SFV-1077A-M2

(20320/S)

SFV-1083A-M2

S

CE41106-00CJ1

!

0.01

*9

C957

OPT

1/2W

CNDEG

QFLC2AJ-104Z

D583
MTZJ9.1C-T2

D562

!

MA4068N/Z1/-T2

!

3.24k 1/10W

NRZ0032-3241X

T521

!

H.DRIVE

R982

OPT

C981
AC250V

D951

MTZJ12C-T2

CEKP007-002

I

DEG

)

R563

!
RY901

TH901

R902
OPT

D426
OPT

0.1C584

NRZ0032-7151X

R521
22

1/2W

Y925
OPT

!

T901

QQT0198-001

QSK0083-001

RELAY

!

!

0.1 AC275V

QFZ9072-104

L01

!
QQW0002-001

QQW0002-001
DEG. COIL

R586

4.7k
1/2W

CN00X

R562

!

7.15k 1/10W

H OUT

!

Q522

2SD1878-YD

!

C982

0.01

AC 250V

QCZ9074-103

POWER

C901

MF

Y901
OPT

C524

!
.0079 1.5KVH
QFZ0198-792
MPP

Q522 B

2

C911

!

.0047

AC250V

QCZ9074-472

!

R901
1

5W

UNFR

QRF054K-1R0

C902

0.047

MF!AC275V

QFZ9072-473

LF901

!

QQR0864-002

VA901

!

ERZV10V361CS

F901

5.0A

QMF51N1-5R0-J5

CN0PW

!

POWER CORD

QMPD390-200-JS

QMPD209-200-JC

AC120V

C583

10/50

!

C561
10/50
QETN1HM-106Z

!
125V

(20320/S)

(20321/S)

60Hz

R585
10k
1/2W

D911

!

D3SB60

C912

!

.0047 AC250V

QCZ9074-472

C913

!

.0047

AC250V

QCZ9074-472

1000

C915

OPT

C546

470/16

QETN1CM-477Z

!

QRX029J-2R7

!

F902

1.25A

125V

QMF51U1-1R25-J8

!

C914
330/200
QEZ0169-337

R584
39K
1/2W

C545
220/16
QETN1CM-227Z

R927
OPT
UNFR

2.7R921
UNFR2W

D423

*5

D424
OPT

R542
100

2WOMR

IC921

!

R922

R925

12K

1/4W

QRN141J-123Y

R924
330K
1/4W

QRN141J-334Y

R429

22k

R583
33k
1/2W

1SR35-400A-T2

QETN1VM-477Z

BASE
VOL­TAG E

GND

BW

C429

0.22
TF

QFV21HJ-224Z

D542

C543

470/35

R544

2.2

3WMFR

R926 270 15W

STR30134

ERROR
AMP SHARE

CONTROL

124

131

.7V

R923
47
1/4W
QRJ146J-470X

C921

3.3/160
QEHR2CM-335Z

R427

3.9k

R428
39k

D561

1SS81-T2

FR507

OPT

FR

R541

1.8

2W

FR

R543

1

3W

QRT039J-1R0

D544

*8

QRF154J-271UNFR!

POWER REGULATER

NC

V

123.1V

OPTFR508

C922
33/160

QRK126J-4R7X

(20321/

VP

VD

NFB

HP

BT

ABL

IC541
AN7809F
REGULATER

22R546 2WOMR

9V

GND

HD

AC

TO

OUT IN

C548
220/16

Q521 B

1

IC951
TA78L009AP-T

9V

OUT IN

8.8V

C956
10/50

Q521 C

C954

0.047

10.4V

30

R524

270

D958

*5

10.5V

R957

2.2K

C521

0.0033

C522

0.0082

2SA966/OY/-T

12.1V

11.5V

R954

1/2W

0.6V

R958
10K

R953

1.2K

C960
OPT

1/2W

Q952

SWITCH

1K

0V

12.1V

R955

22k

Q953
*2
SWITCH

R952

2.2K

100/25

0.6V

C953

2WOMR

QEM61HK-105Z

Y523

OPT

*9D953

C951
220/25

C958

100/25

QETN1EM-107Z

Q951

0V

*2
SWITCH

CNOE1

120R525

D942

*9

D944*9D943

*9

1/2W

OPT

C523
1/50

D941

BWD954

100R956

!

R981

2.7M

QRZ9041-275

QCZ9074-103

Q521
2SC2655/Y/-T

H

H.DRIVE

0.2V

R522

390

R523

470

D957

*5

C959

22/50

Y541
0

9V

12.1V

R421

4.7k

56p

QCS32HJ-560Z

R425

68k

C428

TF

0.47
QFV21HJ-474Z

R561

4.7
1/2

D541

*8

D543

*8

!

IC421 LA7830

THERMAL
PROTECTION

OUT PUT

GND OUT IN Vcc

14V

C421

0.01

C422

500V

QCS32HJ-180Z

D422
MTZJ75-T2

!

T522

QQH0030-002

HVT

134VB1

C525

!

100/160

QEZ0203-107

T522 2

38

VERT

IC421 2

22.
3V

3V

C424
100/35

D421
1N4003-T2

C425
470/35
QETN1VM-477Z

QFLC2AK-104Z

R424

OPT

R423

1.5
1W

QRX01GJ-1R5

C426

0.1

45

100V

DRIVE PUMP UP

OSC STOP

23.

0.7V

0.8V

3V

C423
18p

500V

K421

BW

R433

OPT

T522 4

200

C585

OPT

!

D581

RH1S-T3

FOCUS

SCREEN

R526

1.5K
3W

QRL039J-152

QFZ0210-534

T522 5

80 100 200

R581

1.2
QRJ146J-2R2X

R571

1.2

QRX01GJ-1R2

*C982

*8

C526

!

.53 250V

MPP

1/4W

D582

T522 6

25

C581
10/250

QETN2EM-106Z

*8

R422
390

1/2W

C427
2200/25

QETM1EM-228

R432
OPT

R582

22K

OMR2W

!

C582

0.047

ISOLATED

IC421 3 7

20

LIVE

CN0HV H

T522 8

CN0HV

C377

47/25

T

CN00T

GND

9V

B
R

V

DY01

QQD0011-001

(V)

G

CRT SOCKET PWB

(within MAIN PWB)

SFV-1077A-M2

SFV-1083A-M2

U

CN00U

HB

NC

HEATER

HV

FOCUS

SCREEN

NOTE

*1

:

2SA1037AK/QR/-X

*2

:

2SC2412K/QR/-X

*3

:

DTA124EKA-X

*4

:

DTC124EKA-X

*5

:

1SS133-T2

*6

:

MTZJ9.1C-T2

*7 : MTZJ5.6A-T2

: RGP10J-5025-T3

*8

*9 : 1SR35-400A-T2

DY01

QQD0011-001

(H)

R382

1.5k

330pC376

R379
100

R381

1.5k
1/2W

270pC375

R378
100

R380

1.5k
1/2W

270pC374

R377

1.7V

100

C391

33/250

Y351

BW

:

BUS WIRE

NON-MOUNT(OPEN)

SAFETY PARTS

0Ω RESISTOR:0

DIFFERENCE PARTS

CRT SOCKET

SK371

QNZ0537-001

TP-R

L391
39

R391
OPT

NC

CN00U

No.51964

2-7 2-8

No.51964

PATTERN DIAGRAMS MAIN & CRT SOCKET PWB PATTERN

CRT SOCKET PWB

B

C372 R387

C

B

W302

W301

R383

15

MARK

C377

T

Q371

TP-G

R371

Q372

R372

C371

R378

R380

B

R377

R384

E

C373

C375

R379

R375

GK

G2

C376

G1

C

R388

R381

RK

Y352

E
C374

R386R374

TP-91

(B1)

R376

TP-R

HE

Y351

R373

Q373

CKF1663-AU1

TP-E

E

H

SK371

UL MARK

C

R385

L391

C391

R382

1

TP-B

BK

E

MARK

U

4

R391

TOP

SCN

C392

RED

/2!

C523

R522

C423

R523

Q521

R524

C521

C522

R521

B

E

8

9

E1

W209

R427

HV

R526

LIVE

R425

K421

R423

C428

C425

B

R428

R429

D423

W165

R433

W164

1

2

CKF1663-AU1-1

C429

UL MARK

W208

R432

C427

D424

R424

W163

W168

COL

10

ABL

R422

C426

T522

1

/2!

W003

D542

3

D541

C546

R544

W156

D426

2

NC

C543

AC

R525

R421

C422

C421

D422

1

IC421

C424

5

7

D421

H001

Y523

T521

C526

C524

H.DEF

C

Q522

H002

C525

ABCDEF HI J KL M

FR507

4

B1

W148

9

C

R542

R546

IC541

W169

R541

3

HB

FR508

R543

D543

0

W041

1

2

W157

D544

Heater

3

C620

W161

OUT

IN

4

7

C619

W140

8

1

R621

W004

W170

H005

C545

R584

D583

R561

8

96

2

R629

R628

Y603

R622

C625

W172

W171

Y609

W162

W155

C548

R583

C584

R571

+27V

7

GND

+12V

5

A.Vcc

16.JAN.02
JIM

D

J602

AUDIO

W002

1

W322

C583

C561

D561

6

5

R614

4

4

W001

4

1

S

STEREO

S

W244

C614

W158

W154

D710

D562

C581

R261

Y604

W135

W325

C626

Y601

3

MONO

C628

C622

C618

R619

C627

Y541

R585

3

R562

MARK

1

D581

ISOLATED

C689

C602

W321

R618

C624

U

C611

Q601

X

R563

R582

R581

2

1

R255

D656

C604

D601

C623

Q602

D657

R611

C617

W159

R441

1

W199

C585

R687

C616

R620

R626

W204

R586

C582

E

IC601

1

8

R616

W211

W206

W205

W201

W200

W202

W083

C690

W214

CL001

D582

AV-20320
AV-20321

J006

C603

C702

C601

R706

R705

R613

W038

W215

R612

R615

R617

10

Y602

IC602

5113

R625R627

C629

H004

W194

D802

W195

D801

IN

IC001

OUT

C

GND

SCL1

SDA1

2

1

4

5

W216

D564

W086

1

Q702

W203

C505

W087

MARK

D804

SCL2

C703

R701

Y205

Q201

C208

R218

C501

C402

D401
D715
D716

W069

D803

W078

SDA2

C724

5

4

W213

D602

R219

C209

W082

FREE

3

IC702

W219

W217

W235

W212

W210

R252

D201

R506

C502

D501

C403

D001

W079

C013

C

C006

61

BUS

J007

1

R688

W220

C251

C211

R211

R744

W049

C725

D805

F

AV IN

2

W007

8

R708

1

R742

R704

R741

Q701

D702

R702

C701

W222

W221

W147

R213

C

C212

R253

R2

3

C217

R208

Q203

D202

29

C503

R502

W081

28 25 20

C401

W075

D511

5

T

D512

R511

R512

C511

K001

C004

K003

C003

R004

D003

D004

Y002

R740

C801

W223

W119

R743

W077

C005

S751

R751

W010

W218

W117

W108

R503

R505

R507

R805

CF001

W046

R003

W045

W012

Q271

R204

CF501

C504

SDA

SCL

W011

38

R739

C802

W228

R276

W116

R206

D203

IF1

IF2

BT

NC

5V

BM

MENU

R205

C210

W121

35

R101

TU

AV-20320
AV-20321

R752

W016

W015

C735

D704

R7

R737

C803

W226

W227

W224

R278

C273

C2
74

Y273

1

R277

R2

20

14

22

L201

C25

Y201

C2

W095

16

W120

D251

R209

R210

R212

C215

C2

14

R215

C213

40

R501

W085

IC201

R806

R804

R306

C102

R103

L101

C103

R106

TUNER

C012

C010

C009

ADRS

C002

R146

AGC

TU001

D703

R734

R736

R2

Y202

L104

C307

R105

R709

W013

IC701

C730

C726

42

L705

W230

W094
Y206

C207

W093

R216

C804

15

1

Q1

W056

W009

R727

1

C729

R363

R362

2

C303

R133

R143

R144

C305

C

A

1

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R735

R290

R291

IC271

Y274

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C13

5

R102

W065

C001

G

C727

R

366

Q131

X301

C101

W047

R724

5

W249

7105

65
C138

CW

R305

C3
9

R107

C105

SF101

S752

CH -

C7

14

R725

W112

8

R3

45

L102

R729

Q361

10

MPX

D717

D361

42

T131

C136

C306

C106

5

R1

R753

CH + VOL - VOL +

K701

W008

R716R717

L709

C707

C7

6

C705

10

W019

W3

C709

23

30

D718

W022

R710

W312

R746

R730

R745

C732

C731

W251

R265

D276

R361

C356

W113

R367

W122

C276

L163

W111

R161

R134

L161

C1

63

C162

CF161
W089

C1

61

50

C172

C132

W071

C134

R145

5

C165

L103

W072

C133

W070

C104

R104

C651

W050

C108

C652

W058

W057

D655

C679

C670

D653

1

4

3

J004 J003

19

R761

R721

W106

56

C169C170

1

C653

1

R670

C669

2

35

W110

R131

R7

R732

R354

R135

R162

R163

C655

42

R756

R713

C352

T161

C654

R669

C708

R715

C761

Q261

R263

C656

R651

40

15

2540

L351

C164

C168

C1
67

C304

R653

R672

C688

R766

R728

C355

CF131

L131

R137

C659

5

52

C686

C131

Y701

CF701

21

R726

C704

R711

R723
C723

W028

C722

R351

R352

L162

61

Q1

R1

64

C1
66

W073

FM-DET

R682

C658

78

C6

D6

C685

7

R671

3

C687

6

5

R765

C272

W128

C677

R256

9

R755

W014

C710

C711

C712

W021

W027

C721

22

L701

C720

R722

CF702

D761

IF/VIDEO/CHROMA/DEF

R235

R234

R273

L2

71

R272

W104

W090

W107

Q276

R285

C259

R287

W096

R289

R136

R138

Q132

L1

32

C140

C139

B

Y172

Y170

1

R172

C171

W131

Q704

R652

C657

C663

R655

R654

R660

C662

C661

10

R658

C660

C672

C673

C675

C676

D651

12

11

1

10

W062

4

30

C674

C671

R254

8

W088

1

4

2

35

MAIN PWB

S755S754S753

R754

W023

W024

R714

C719

W029

R279

W123

EF251

W105

C260

IC253

OUT E IN

C258

Y270

R236

W102

C264

L251

W103

TP-12B

R298

W098

W101

W133

W132

C666

21

R656

R684

25

J002

2

3

IC703

W229

C266

C668

R683

D660
22

R259

C716

1

5

R26 0

C667

IC651

W234

L702

Y582

MICOM

Q274

R271

C255

L133

3

CW

C664

C665

15

C607

AV IN/OUT

R251

C562

C263

C265

8

W239

D659

R689

2

4

Q280

C2
57

C287

E.E.

W031

10

C280

Q279

R269

C268

R258

MTS

W241

C717
C718

W311

E

IC252

1

L252

D

W006

Q561

W180

5

D658

W240

R760

R564

W181

5

C691

R5
65

R257

D252

JIHG

R759

Q703

R566

6

Y651

C981

W178

C252

D254

C922

C751

W033

B

E

C278

C254

Y652

R769

R768

Q562

R567

W176

IC751

1

W177

R243

W139

C563

W187

IC251

1

2

B

C277

C286
R244

CF251

R245

R238

Q273

C267

W174

C982

3

W039

C279

R237
R239

C285

R241

R270

C269

Y925

C752

68

W231

R293

R249

C283

EF252

D563

R5

W173

R240

R246
R247
C284
Q278
R248

R250

R982

R757

FR720

R242

R901

W138

W137

R758

POWER

W167

R956

C958

D951

R952

C915

D751

D958

W166

W149
W225

W196

R953

K

R762

C956

IC951

Q952

C960

C911

H003

D957

OUT INE

C954

E

ISOLATED

C953

C951

D954

C957

Q951

5

RY901

C912

C959

R955

T901

C914

4

IC921

R957

B

D911

D752

W191

R954

D953

D943

W145
W144

125V 1.25A

2

R922

L

POWER

S756

W190

R958

Q953

PW

F901

125V 6.3A

D944

D941

C913

1

D942

W236

R981

R927

TP-91

POWER

2

A

W248

F902

R921

TP-E

R902

M

0

1

LIVE

1

C901

LF901

C902

Y901

R926

C921

FRONT

3

CL

VA901

2

1

DEG

TH901

R925

R924

R923

33

44

55

66

77

8

9

TP-E

No.51964 No.51964

2-9 2-10

JVC SERVICE & ENGINEERING COMPANY OF AMERICA

.DIVISION OF JVC AMERICAS CORP

Head office
East Coast
Midwest
West Coast
Southwest
Hawaii
Southeast

Head office
Vancouver

1700 Valley Road, Wayne, New Jersey 07470

:

10 New Maple Avenue, Pine Brook, New Jersey 07058

:

705 Enterprise St. Aurora, Illinois 60504

:

5665 Corporate Avenue, Cypress, California 90630

:

10700 Hammerly, Suite 105, Houston,Texas 77043

:

2969 Mapunapuna Place, Honolulu, Hawaii 96819

:

1500 Lakes Parkway, Lawrenceville, Georgia 30243

:

JVC CANADA INC.

21 Finchdene Square Scarborough, Ontario M1X 1A7

:

13040 Worster Court Richmond B.C. V6V 2B3

:

[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]

[phone]
[phone]

Printed in Japan
VP 0203
DP6060