JVC AV-48WP74/AHA Service Manual page 97

MAIN PWB CIRCUIT DIAGRAM (8/12) SHEET 8
HDCP_H
SHEET 4
HDCP_V
SVP
SHEET 6
SHP
COMSYNCY
SHEET 7
COMSYNCY
SDA0
SDA0
SHEET 10
SCL0
SCL0
L1211
QQL25CK-100Z
HDCP_H
HDCP_V
SVP
SHP
SYNC. SEP./
DETECT/
IC1211
SW
TA1318N
GND
R1233
Q1231
OPEN
OPEN
C1232
Q1233
OPEN
OPEN
R1237 R1238 R1239 R1234
OPEN OPEN 5.6k
OPEN
R1232
5.6k GND GND GND
R1240
Q1232
0
2SB709A/QR/-X
R1236
C1233
5.6k
18p
NDC31HJ-180X
GND GND
IC1211-3 IC1211-4
[H]
-M2
1.6Vp-p 3.5Vp-p
No.52105
AV-48WP74 AV-48WP74
AV-56WP74 AV-56WP74
SHEET 12
C1213
100 /16
QETN1CM-107Z
GND
R1217
OPEN
PIN NO.
IC1211
R1218
8.2k
C1216
4.7 /16
NCF11CZ-475X
IC1212
C1220 C1221
OPEN OPEN
Q1232
GND
GND
C1218
1 /16 N
NCB11CK-105X
R1227
OPEN
R1226
10k
R1229 IC1212
3.3K TC7W08F-X
R1228
R1235
2.2k OPEN
C1219
4.7 /16
NCF11CZ-475X
GND GND
R1231
R1230
IC1211-7 IC1211-13 IC1211-15
[V] [H]
2µs/div
0.2Vp-p 3.0Vp-p 3.3Vp-p
2-21 2-22
VOLTAGE (V)
1 0.1
2 0.1
3 0.2
4 0
5 0
6 6.3
7 ---
8 9
9 1.2
10 0.1
11 0
12 0.1
13 0.5
14 0
15 0
16 4
17 4.5
18 4.4
19 2.3
20 1.2
21 2.1
22 0
23 0
24 0
1 3.1
2 3.1
3 0.2
4 0
5 0.5
6 0.5
7 3.3
8 3.3
E 2.9
C 0
B 2.2
220
100
IC1211-21 IC1211-22 IC1211-23
[H] [H] [V]
3.3Vp-p
0.1Vp-p 4.2Vp-p
No.52105
AP_V
AP_V
SHEET 9
AP_H
AP_H
MAIN_H
MAIN_H
SHEET 10
MAIN_V
MAIN_V
[V]