JVC AV-65WP74/HA Service Manual page 79

MAIN PWB CIRCUIT DIAGRAM (5/12) SHEET 5
SHEET 10 Y_BSDGND
Y_BSDGND
V_RT
V_RT
Y_BSD
Y_BSD
L_BSA L_BS
Y1501
L_BSA
OPEN
L_BSD
Y1502
L_BSD
NOT USE
0
V_BS
V_BS
R_BSA R_BS
Y1503
R_BSA
OPEN
R_BSD
Y1504
R_BSD
0
C_BSD
C_BSD
V2
V2
L2
L2
Y2
Y2
R2
R2
C2
C2
S2_2
S2_2
S2
SHEET 3
S2
V1
V1
L1
L1
Y1
Y1
R1
R1
C1
C1
S2_1
S2_1
S1
S1
L3
L3
V3
V3
R3
R3
MON_Y
MON_Y
MON_C
MON_C
NOT USE MON_V
MON_V
MON_L
MON_L
MON_R
MON_R
VOLTAGE (V)
PIN NO. PIN NO.
IC1501
1 3.9
2 4.5
3 3.9
4 4.5
5 4.4
6 0
7 5.0
8 4.4
9 4.5
10 3.9
11 4.4
12 4.4
13 0.4
14 0
15 3.9
16 4.4
17 4.4
18 4.4
19 4.4
20 0.1
21 5.0
-M2
R1582
0
GND
R1535
220
Y3
R1536
6.8k
RV3
R1537
220
C3
S2-3
S-3
R1538
220
V4
R1539
6.8k
LV4
R1577
220
Y4
R1578
6.8k
RV4
R1579
220
C4
D1596
MA8100/M/-X
S2-4
GND
S-4
LV5
R1523 6.8k
V5
R1520 220
RV5
R1525 6.8k
ADR
D1593 D1594
OPEN OPEN
GND
R1521 R1524
220 220
VOLTAGE (V) VOLTAGE (V) VOLTAGE (V)
PIN NO. PIN NO.
22 0 44 6.6 IC1502
23 4.4 45 4.5 1 0
24 3.9 46 3.8 2 4.0
25 4.4 47 4.4 3 4.0
26 4.4 48 0 4 0
27 0.1 49 6.3 5 0
28 5.0 50 4.5 6 0
29 4.5 51 4.4 7 5.1
30 3.9 52 4.5 8 0
31 4.5 53 6.2 9 0
IC1501-22
32 0 54 4.5 10 0
[H]
33 4.0 55 4.5 11 0
34 4.0 56 5.6 12 0
35 0 57 0 13 5.1
36 0.1 58 4.3 14 0
37 4.4 59 4.4 15 0
38 4.5 60 5.3 16 5.1
39 3.7 61 4.4
40 4.5 62 4.4
41 3.5 63 5.2 1.0Vp-p
42 9.1 64 4.5
43 4.5
No.52096
AV-65WP74 AV-65WP74
D1591 D1592
OPEN OPEN
R1501
R1502
R1507
R1508
R1504
R1509
GND
GND
C1501
0.1 /16
C1502
GND GND
47 /25
GND
IC1501
CXA2069Q
RTV
TV
LTV
RV6
V6
LV5
COUT1
VGND
YOUT1
TRAP1
ROUT1
VOUT1
LOUT1
N
CIN1 C1510
10 /16
C1532
BIAS 22 /50
QETN1HM-226Z
YIN1
R1530
1k
Q1531
C1531
R1560
0.1 /16
100
R1563
0 GND
R1561
R1562
OPEN
1K
GND
IC1501-41 IC1501-44 IC1501-53 IC1501-56
[H] [H] [H]
2.8Vp-p 2.0Vp-p 2.1Vp-p
2-15 2-16
CN100H
QGF1201C2-13
10 SCL0
10 SDA0
GND
10 SUR_EFCT C4
C4
10 SUR_MONO
GND
10 SUR_SW Y4
Y4
10 BBE_SW
GND
V4
V4
GND
GND
L4
L4
GND
R4
IC1502 R4
S4
M62320FP-X
S4_DET
GND
NC
R1510 OPEN BBE_LO
GND
R1506 OPEN BLEV1
R1505 OPEN BLEV2
R1543 10 AMP_MU
R1512 OPEN HP_MU
SCL0
SCL0
SDA0
SDA0
BBE_LO
BBE_LO
TV_V2
TV_V2
TV_L2
TV_L2
TV_R2
TV_R2
GRVOUT
GRVOUT
TV_L1
TV_L1
TV_R1
TV_R1
SUR_SW
SUR_SW
BBE_SW
BBE_SW
R1547 0
TV_R1 SUR_EFCT
SUR_EFCT
SUR_MONO
C1539
SUR_MONO
R1548 0 4.7
GRVOUT AMP_MU
AMP_MU
C1538 HP_MU
HP_MU
R1549 0 OPEN
TV_L1
GND C_SWMAIN
C_SWMAIN
R1550 1k
TV_R2
C1505
VY_SWMAIN
4.7 VY_SWMAIN
R1551 0
TV_V2
VY_SWAP
VY_SWAP
R1552 1k
TV_L2
C_SWSUB
C_SWSUB
VY_SWSUB
VY_SWSUB
R_SWSUB
R_SWSUB
HP_R
R1553 OPEN
L_SWSUB
L_SWSUB
HP_L
R1554 OPEN
BLEV1
BLEV1
BLEV2
BLEV2
L_SWMAIN
L_SWMAIN
R_SWMAIN
R_SWMAIN
BS_5V
BS_5V
AV_9V
AV_9V
S1DC
S1DC
IC1501-63
[H] [H]
1.3Vp-p
2.1Vp-p
No.52096
FRONT RELAY PWB
SHEET 23
SHEET 1
SHEET 11
SHEET 1
SHEET 2
SHEET 1
SHEET 11
SHEET 1
SHEET 10
SHEET 7
SHEET 6
SHEET 1
SHEET 1
SHEET 11
SHEET 7
SHEET 12
NOT USE