JVC AV-25LS/C, AV-25LX/C Schematics

AV-25LS

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM(1/2)[AV-25LS/C]

TO
SPEAKER

J771

CEMN072-001

)

VIDEO-1
INPUT

CEMN072-002

CEMN072-003

J772

J773

R898

75

FRONT INPUT
(

VIDEO-3

0V

0V

5.0V

4.9V

4.3V

4.9V

4.4V

4.9V

5.3V

4.3V

4.4V

7.0V

5.9V

4.3V

4.3V

4.9V

4.3V

4.3V

5.7V

4.9V

4.4V

4.9V

4.3V

9.0V

4.4V

5.0V

4.2V

4.2V

1.9V

1.7V

4.1V

4.2V

3.4V

4.2V

5.1V

9.0V

3.0V

2.4V

2.9V

1.9V

4.2V

1.9V

2.6V

2.6V

COMPONENT
(

VIDEO-2

INPUT

OUTPUT

D806

R885

MTZJ12C-T2

)

75

D807

R884

MTZJ12C-T2

75

2.3V

1.7V

2.6V

2.1V

9.0V

5.0V

4.4V

IC801

1.2Vp-p(H

IC801

2.1Vp-p(H

7

)

27

)

IC801

2.2Vp-p(H

IC801

2.2Vp-p(H

23

)

22.8

0

0V

11.5V

V

V

15.3V

0.1V

11.4V

24V

37

)

0V

-0.3V

0V

4.6V

-1.0V

5.0V

0V

-0.4V

0V

0V

0.6V

MAIN PWB ASS’Y(1/2
SCH-1063A-H2

No.51848B10

)

0.6V

16.9V

0V

AV-25LS

0V

8.3V

7.4V

0V

3.7V

3.7V

3.7V

3.7V

3.7V

0.1V

3.7V

0V

5.0V

1.5V

0.2
V

9.0V

0V

2.9V

2.9V

2.4V

2.4V

5.0V

5.0V

1.7V

1.9V

5.0V

TO CRT SOCKET

PWB CN10T

6.3V

3.1V

2.5V

9.0V
0V

4.3V

9.0V

0V

3.9V

3.0V

4.9V

4.3V

4.9V

4.3V

4.3V

4.3V

0V

3.0V

3.9V

3.3V

2.7V

5.0
V

5.0V

5.0V

0V

3.3V

5.0V

2.7V

0V

5.0V

33.8V

3.3V

3.3V

2.6 2.4

5.0

5.0

4.8V

V

V

1.6V

0V

1.5V

0V

3.3V

1.8V

1.6V

3.3V

3.3V

3.3V

5.0

2.8

V

V

3.3V

1.5V

0V

4.6V

8.6V

1.9V

1.7V

5.0V

2.7V

2.8V

2.7V

3.3V

3.3V

0V

0V

8.3V

0V

0V

9.0V

2.2V

3.0V

4.2 1.9
VVV

V

2.6V

5.1V

3.8V

3.0V

4.9V

0V

5.0V

5.0V

0V

0V

0V

3.0V

3.7V

1.5V

8.3V

0V

3.3V

4.0V

2.0V

3.8V

0.8V

0.7V

1.9V

3.6V

1.9V

0.6

1.4V

V

2.0V3.5V3.8V

2.6V

IC701

TDA9365N13S0518

4.6V

2.1V

0

1.9

1.9

4.0V

V

V

V

33

IC701

)

2.8Vp-p(H

43

IC701

)

0.55Vp-p(H

51

IC701

)

3.4Vp-p(H

53

IC701

)

3.6Vp-p(H

IC701

1.0Vp-p(V

IC701

1.0Vp-p(V

IC701

1.04Vp-p(H

IC701

1.6Vp-p(H

IC701

2.6Vp-p(H

21

)

22

)

42

)

47

)

52

)

NOTE

: OPTION(NON MOUNT

X

: BUS WIRE

BW

: 2SC2412K/QR/-X

1

: 2SA1037AK/QR/-X

2

: MA111-X

3

: DTC124EKA-X

5

: 2SC1740S/QR/-T

7

)

No.51848B 11

AV-25LX

MAIN PWB CIRCUIT DIAGRAM(1/2)[AV-25LX/C]

TO
SPEAKER

J771

CEMN072-001

)

VIDEO-1
INPUT

CEMN072-002

CEMN072-003

J772

J773

R898

75

FRONT INPUT
(

VIDEO-3

0V

0V

5.0V

4.9V

4.3V

4.9V

4.4V

4.9V

5.3V

4.3V

4.4V

7.0V

5.9V

4.3V

4.3V

4.9V

4.3V

4.3V

5.7V

4.9V

4.9V

4.4V

4.3V

9.0V

4.4V

5.0V

4.2V

4.2V

1.9V

1.7V

4.1V

4.2V

3.4V

4.2V

5.1V

9.0V

3.0V

2.4V

2.6V

1.9V

4.2V

1.9V

2.6V

2.6V

COMPONENT
(

VIDEO-2

INPUT

OUTPUT

R885

D806

75

)

R884

MTZJ12C-T2

D807

75

MTZJ12C-T2

2.3V

1.7V

2.6V

2.1V

22.8V

0

0V

0V

-1.0V

4.6V

5.0V

0V

-0.4V

0V

0V

0.6V

-0.4V

11.5V

V

0V

15.3V

11.4V

24V

0.1V

IC801

1.2Vp-p(H

IC801

2.1Vp-p(H

9.0V

5.0V

4.4V

7

)

27

)

IC801

2.2Vp-p(H

IC801

2.2Vp-p(H

23

)

37

)

12

MAIN PWB ASS’Y(1/2
SCH-1061A-H2

No.51848B

)

0.6V

16.9V

0V

AV-25LX

9.0V

0V

9.0V

3.0V

2.4V

1.9V

TO CRT SOCKET
PWB CN10T

4.3V

9.0V

0V

3.9V

3.0V

4.9V

4.9V

4.3V

4.3V

4.3V

4.3V

0V

3.0V

3.9V

2.6V

3.3V

2.7V

4.8V

5.0

5.0V
V

5.0V

0V

.4V

3.3V

5.0V

2.7V

3.3V

3.3V

3.3V

5.0V

1.8V

5.0VV5.0

1.6V

3.3V 1.6V

0V

3.3V

3.3V

2.7V1.5V

0V

3.3V0V3.3V 2.8V

0V

8.3V

0V

0V

3.3V

5.0

2.8

V

V

1.5V

9.0V

2.2V

4.9V

3.0V

1.92.6

2.4V4.2

2.6V2.7V 5.1V
VV

3.8V

3.0V

5.0V

0V

0V

1.5V 3.7V 3.3V 8.3V

0V

V

4.0V

2.0V

0V

5.0V

3.8V

0.8V

0.7V

1.9V

3.6V

1.9V

0.6

3.8V

3.5V 2.0V

4.6V

1.4V

V

2.6V

2.1V

0

1.9

1.9

4.0V

V

V

V

33

IC701

)

2.8Vp-p(H

43

IC701

)

0.55Vp-p(H

51

IC701

)

3.4Vp-p(H

IC701

1.0Vp-p(V

IC701

1.0Vp-p(V

IC701

IC701

IC701

21

22

42

1.04Vp-p(H

47

1.6Vp-p(H

52

2.6Vp-p(H

)

)

)

)

)

53

IC701

)

3.6Vp-p(H

0V

33.8V

0V

4.6V

8.6V

1.9V

1.7V

5.0V

5.0V

NOTE

: OPTION(NON MOUNT

X

: BUS WIRE

BW

: 2SC2412K/QR/-X

1

: 2SA1037AK/QR/-X

2

: MA111-X

3

: DTC124EKA-X

5

: 2SC1740S/QR/-T

7

)

No.51848B 13

AV-25LS

MAIN(2/2)AND CRT SOCKET PWB CIRCUIT DIAGRAMS [AV-25LS/C]

DEG COIL

L01

QQW0119-001

F901

4.0A

QMF51E2-4R0J4

IC901

STR-F6709A/F7

POWER REGULATOR

2.4V

19.6V

291V

0V

K902

CE41433-001Z

C915
.0015

)

0.7Vp-p(V

2

IC401

)

2Vp-p(V

9.0V

0V

T901

QQS0116-001

C955
470p

CP952

K953

-001Y

RGP10J-5025-T3

31DF6N-FC5

D956

ICP-N50-Y
IC PROTECT

C960

220/160

QEZ0203

C956
220/35

C958

1000/25

-227

QQR1214

D907
MA3150/M/-X

R905
.15
3WMFR

R912

1.5k

R910

4.7k

MY

1/2W

IC401

Y955

30Vp-p(V

20Vp-p(V

BW

)

6

)

3.3V

5.3V

100/16

C977
47/35

C976

C972
47/35

9.8V

9.1V

5.1V

2.7V

C973

100/16

3

IC401

1

IC401

14

MAIN PWB ASS’Y(2/2
SCH-1063A-H2

Q521

)

No.51848B

2Vp-p(H

134.2V

26.6V

0V

150Vp-p(H

8Vp-p(H

0V

0.6V

T551

150Vp-p(H

T551

96Vp-p(H

7

)

2

)

6

)

9

)

27.7V

0V

Q522

Q521

2.4Vp-p(H

45Vp-p(H

B

T551

)

C

T551

)

B

)

NOTE

: OPTION(NON MOUNT

X

: BUS WIRE

BW

: 2SC2412K/QR/-X

1

: 2SA1037AK/QR/-X

2

: MA111-X

3

)

AV-25LS

CRT SOCKET

V01
PICTURE TUBE

1.8k

1.8k

1.8k

R354

R364

R369

C353

1/250

A60LST196X

14.4V

0.3V

0.9V

-13.1V

0.3V

-15.2
V

14.6V

5

IC401

)

60Vp-p(V

7

IC401

)

5Vp-p(V

R414

1/2W

R413

2.7

12

2.0

2.0V

9.0V

1.9V

V

6.6V

2.5V

2.4
V

R493

1/2W

R494

L480

47

33k

3W OMF

QQR1138-001

TO
MAIN
PWB
CN00T

R528

0.47

2W OMF

R529

.47

2W OMF

L524

QQLZ034-240

T551

QQH0097-001

FBT

R373

120k

CRT SOCKET PWB ASS’Y

SCH-1063A-H2

R542

120k
1/2W

R541
120k
1/2W

TO CRT

R524

82

QRL03EJ-820X

-0.1V

T521

QQR1229

-001

20.6V

0V

C524

.0045

1.5kVH MPP

R526
270
QRL029J-271

4810

T551 T551 T551

25Vp-p(H

)

D521
RH3G-F1

D522
31DF6N

-FC5

C525
QFZ0200-113

1.5kVH MPP

90Vp-p(H

C528

.22

250V MPP

C529

2.2/100

QENC2AM

-225Z

)

1140Vp-p(H

)

QQR1137-005

QQD0043-001

L523

DY01

R592

3.9

R591

4.7k

1/2W

C592
220/160
QETM2CM-227

134.2V

R593
820

133.8V

0V

5.0V

0V

FOR ADJ.
CONNECTOR

DEF YOKE

No.51848B

15

AV-25LX

MAIN(2/2)AND CRT SOCKET PWB CIRCUIT DIAGRAMS [AV-25LX/C]

DEG COIL

L01

QQW0119-001

F901

4.0A

QMF51E2-4R0J4

IC901

STR-F6709A/F7

POWER REGULATOR

19.6V

291V

0V

2.4V

K902

CE41433-001Z

D907
MA3150/M/-X

R905
.15
3WMFR

T901

QQS0116-001

9.0V

QQR1214-001Y

0V

K953

RGP10J-5025-T3

C955

470p

IC401

0.7Vp-p(V

IC401

2Vp-p(V

CP952

ICP-N50-Y

IC PROTECT

ICP-N75-Y

IC PROTECT

CP953

1

)

2

)

C956
220/35

C958
1000/25

IC401

Y955

30Vp-p(V

20Vp-p(V

BW

)

6

)

3.3V

5.3V

9.8

5.1

9.1V

2.7

V

V

V

C970

2.2/50

C973

100/16

C972
47/25

3

IC401

MAIN PWB ASS’Y(2/2
SCH-1061A-H2

D956

2Vp-p(H

31DF6N-FC5

C960

220/160

QEZ0203

-227

134.2V

26.6V

0V

0V

27.7V

0V

0.6V

B

)

Q522

2.4Vp-p(H

Q521

45Vp-p(H

B

)

C

)

6

T551 T551

)

150Vp-p(H

9

T551 T551

)

8Vp-p(H

150Vp-p(H

96Vp-p(H

7

)

2

)

R912

1.5k

R910

C915

4.7k

.0015

1/2W

Q521

)

NOTE

: OPTION(NON MOUNT

X

: BUS WIRE

BW

: 2SC2412K/QR/-X

1

: 2SA1037AK/QR/-X

2

: MA111-X

3

)

16

No.51848B

AV-25LX

CRT SOCKET

V01
PICTURE TUBE

1.8k

1.8k

1.8k

R369

R354

R364

C353

1/250

A60LST196X

0.3

14.4V

V

0.9V

-13.1V

0.3V

-15.2V

TO
MAIN
PWB
CN00T

14.6V

R373
120k

T551

QQH0097-001

FBT

1/2W

CRT SOCKET PWB ASS’Y
SCH-1061A-H2

TO CRT

R542
120k
1/2W

R541
120k
1/2W

5

IC401

)

60Vp-p(V

7

IC401

)

5Vp-p(V

R413

2.7

2.0

9.0V

2.0V

1.9V

R414

12

1/2W

V

R529

R528

.47

2W OMF

2W OMF

.47

6.6V

2.5V

2.4
V

R493

R494

33k

1/2W

3W OMF

47

L480

QQR1138-001

L524

QQLZ034-240

QQR1229-001

20.6V

-0.1V

D521

1.5kVH MPP

T551

RH3G-F1

C524
.0045

4

T521

R526
270

R524

82

0V

25Vp-p(H

D522
31DF6N-FC5

)

1.5kVH MPP

T551

C525
.011

90Vp-p(H

8

C529

2.2/100
QENC2AM-225Z

)

C528

.22

250V MPP

T551

1140Vp-p(H

L523

QQR1137-005

10

)

DY01

QQD0043-001

DEF YOKE

3.9

R592

R591

4.7k

1/2W

C592
220/160
QETM2CM-227

134.2V

R593
820

133.8V

0V

5.0V

0V

No.51848B

FOR ADJ.
CONNECTOR

17