JVC AV-65WP74/HA Service Manual page 94

POWER & DEF PWB CIRCUIT DIAGRAM(2/2) SHEET 20
14V
5V
B1_POW
OCP
PROTECT
POWER &DEF
PWB(1/2)
SHEET 19
12V
28V/10V
R528
1.5K
QRG01GJ-152
D524
OPEN
GND
B1
R972 1.10k
1/4W,1 %
C971
100 /16
Q971
2SA1208/ST/Z1-T
R975
22k
1/2W
*
R977
47k C972
47
GND
MAIN PWB
SHEET 10
CN003
QGB1506M1-16
CN010 QGB1505J1-35
GND
Y585
BW
Y502
OPEN
R423 OPEN
R415
150k
R427
R428 BW
R425
OPEN
OPEN
GND
D583
*3
D406 R412
4.7k
D408
MTZJ6.8C-T
Q402
2 OPEN
*1
Q401 100
Y582
*1 R422 R420
OPEN
BW
D404 R418
MTZJ9.1B-T 2 2.2k
C410 C411
D582
.0022
OPEN R413
OPEN Y581 GND
100k
BW
C409 GND
GND
10 /50
ABL
R205
OPEN
R204
D581
OPEN OPEN
R206
OPEN
D202
OPEN
GND
MTZJ7.5S-T2
Q581
OPEN
C562
R565 4.7 /50
22k
GND QETN1HM-475Z
GND
GND
C527
47 /25
GND
DEF_H P
C524
47p Y588
OPEN
R523
Y589 Q521
Y586 OPEN
8.2k
OPEN
D522
R524
1SS81-T5
R521 6.8k
R526
10K
47
D521
FB P GND
MTZJ12C-T2
R522
GND
C525
10K
.0068
GND
C523
C522
.0068
/200
680P 2KV
QFLC2AJ-682Z
QCZ0122-681
GND
Q501-D Q501-G
[H] [H]
C504
OPEN
80Vp-p 4.5Vp-p
Q501
R503
BSN304-T
R501 1.5k
D
1/2W
H_DRIVE
470
G C501
S 330p
/500
R502
12k
D501
1/2W
1SS81-T5
GND GND GND
R504 R505
2.7k 2.7K C502
3WOMR 3WOMR
.01
/200
GND
20V
C529
OPEN
EW
GND
R973
7.5K
1
/2W*
T502-3 T502-4 T502-5
Y584 [H] [H] [H]
D972 D973 BW
*3
MTZJ15B-T2
R978
GND
33k
/25
30Vp-p 140Vp-p 140Vp-p
VELOCITY MODULATION PWB
J
CN00J
QGA2501C5-05Z SHEET 17
No.52096
AV-65WP74 AV-65WP74
DEF OSC PWB
IC401-3 IC401-4
[V]
SHEET 18
100Vp-p
R404
6.8k
IC401 1/4W,1 % 1/4W,1%
LA7876NZ
H401
LC31695-001A
R424
R407
OPEN R406
820
4.7k
GND 1/4W,1%
1/4W,1%
MTZJ75-T2
D401 C406
C412 C413 22 /16
C416 100
22 /16 QENC1CM-226Z C417
6800P /35
QENC1CM-226Z 100 /35
R408
820
1/4W,1 %
D407
R421 C401 D402
R401 1SR35-400A-T2
1SR35-400A-T2
6.8K 5.6k 1000 /35
GND
R403
C403 18 1/2W *
C402 5%
.0015 18P /500
GND
MY,5%
C405
R402
C404 K401
.1 10k
R409
QFV71HJ-104Z .1 /200 QQR0621-002Z
1/4W,1%
MY,5%
2WOM R
GND
R416
10k Y403 OPEN Y401 BW
R410
D405
*3 2WMF R
R419 Y402
OPEN OPEN
D201
1SR35-400A-T2
GND
C201
GND
.33 TF
QFV71HJ-334Z
D802
FR802
! EU2-T3
*
C812
1/2W
C802 QCB32HK-821Z
1000 /25
! D801
GND
FR801 * EU2-T3
D562 D561
R561
MTZJ7.5S-T2
4.7k 1/4W,1 % 1/2W
C801
1000 /25
GND
R562
R563
5.6k GND ! FR811
1/4W,1 % OPEN
4.7 1/2W FR
C811 QRZ9011-4R 7
GND
100 /35
D811
GND 1SR124-400A-T 2
*1
L801
*
C526
R525 Q503-B Q503-C
1k OPEN
[H] [H]
GND
C521
680P 2KV
QCZ0122-681
2Vp-p 1250Vp-p
D507
V11CA-C1
Y503
OPEN
K501 C506 C507
QFZ0122-452
QQR1139-001
.0045 .0045
QFZ0122-452
R591
T501 H503 3.3
LC31212-001B
QQR1111-001
Y504 D506 Y506
Y505 Y508 Y507
OPEN FMV-3FU-F 1 B BW BW
BW BW
C591
Q503
GND 100
2SC5904-RL
K502
OPEN K503 OPEN QEZ0203-107
C505
D505
OPEN
OPEN
C508
.01 630V
L502
QFP32JJ-103 200
R506
D504 QQR1230-001
H506
5.6 RG2A-LFC4
LC30521-001A
K504
Y501 Y509
QQR1139-001
BW
K505 BW
C503 OPEN
.22
C513
22
Q532
2SC1959/Y/-T
R535 47
R534
1k
R536
47
Q533
2SA562TM/Y/-T
GND
T502-7 T502-8 T502-9 T502-10
[H] [H] [H] [H]
90Vp-p 350Vp-p 8Vp-p 1250Vp-p
2-45 2-46
IC401-6 IC401-8 IC401-9 IC401-10
[V] [V] [V]
[V] [V]
60Vp-p 0.35Vp-p 30Vp-p 30Vp-p 60Vp-p
R405
6.8k
CN0AB
QGZ8001C1-03
R701 R703
L701
22 10k
D403
QQLZ036-222
*3 QRG01GJ-220 QRZ0056-103Z
CN0AA
WJP0037-001A
R702
12k
C701
C407
.027 1/2W
1 /5 0
C563
T701 OPEN
Y701
QQR1096-001
GND OPEN
GND
GND
R426 SHEET 18
OPEN
C408 CN00L
220 .1
C414 CE41507-001P
OPEN
C415
OPEN
S1
R411 GND
2.2 OPE N
GND
CN0S1
QGA2501C5-05Z
R201
GND
180k
R202
270k
R203
! 270k
T502
*
A
FR803
OPEN
GND
CN00A
QGA2501C5-04Z
D803
RU30A-F1 C803
Y801
33 /250
BW GND
R430
100 1/2W
CNRHV
CHC802T-05N-J
QRF154K-3R3
15WUN F R431
100 1/2W
L504
QQR0915-003
QFZ0128-254
C511
C510 250V MPP .25
.15 400V MPP CNGHV
R512 330 CHC802T-05N-J
C514
QFZ0414-226
2WOMR
560P /500
C509 .15
400V MPP
L501 18 QFZ0128-154
QQLZ025-180
R432
100 1/2W
CNBHV
R533
R532
82 CHC802T-05N-J
82
R531 QRL029J-820
2W
2W
1k 2W
QRL029J-102
C533
560P
C534
/500 D531 .0022 /200
RGP10J-5025-T3
QFM72DK-222Z
GND
D
G
Q531
C536
.0022 /200
IRFI620G
S
H531
GND GND
CEHT11B-005Q S
QFM72DK-472Z
POWER &DEF PWB
SSB-2068A-M2
No.52096
DIVIDER R CRT
G CRT
B CRT
FORCUS R CRT
PACK
G CRT
B CRT
G CRT SOCKET PWB
SHEET 15
PIN NO. VOLTAGE (V)
IC401
1 0
2 -14.8
3 0.2
4 13.7
5 2.1
6 2.1
7 14.8
8 -13.5
9 14.2
10 -13.6
Q401
E 0
C 5.8
B 0
Q402
E 0.1
C 11.7
B -1.5
Q503
E 0
C 213
B 0
Q521
E 1.5
C 11.7
B 1.7
Q532
E 9.7
C 11.7
B 9.6
Q533
E 9.6
C 0
B 9.7
Q501
S 0
D 32.2
G 1.7
Q531
S 0
D 21.8
G 9.7