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TH-42PH12EK / TH-42PH12ES
13.8. HU-Board (1 of 2) Schematic Diagram
HU-BOARD TXNHU1VBTE (1/2)
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A
B
C
D
E
F
1
2
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9V
C3426
16V
47u
JK3301
P2347
VIDEO
K1QBB1AB0008
IN
L3301
S3301
D3302
R3301
EXC3BB221H
GAP0.3
MAZ81400ML
75
VIDEO IN
JK3302
L
L_IN
L-G
L3302
C3301
K2HA204B0097
S3302
EXC3BB221H
R3304
R
50V
R_IN
GAP0.3
560p
22k
R-G
AUDIO IN
L3303
C3302
S3303
R3305
50V
EXC3BB221H
GAP0.3
22k
560p
L3304
EXC3BB221H
S3306
R3302
D3304
75
MAZ81400ML
GAP0.3
C3450
16V
1u
JK3304
L3305
EXC3BB221H
K1CB106B0027
C
Y
S-VIDEO
R3303
D3306
S3307
IN
MAZ81400ML
GAP0.3
75
S-VIDEO IN
JK3303
L
L_IN
K2HA204B0097
L-G
L3306
C3303
R3306
S3304
EXC3BB221H
R
50V
22k
R_IN
GAP0.3
560p
AUDIO IN
R-G
L3307
S3305
C3304
R3307
EXC3BB221H
GAP0.3
50V
22k
560p
C
R3308
1k
D3307
MAZ81400ML
D3308
MAZ81400ML
R3411
13
1k
S-2
14
V3
15
LV3
C3451
R3416
16
16V
0
Y3
17
0.1u
RV3
18
C3
19
S2-3
20
IC3301
S-3
21
LV4
22
C1AB00000461
V4
23
24
AV SW
9V
3
4
C3427
16V
0.1u
Q3301
2SD0601ARL
C3319
16V
R3338
0.1u
1k
R3318
L3308
R3332
R3336
100
G1C100K00020
127
100
R3326
C3321
C3325
330
R3334
50V
50V
430
10p
47p
Q3305
2SB0709ARL
Q3302
2SD0601ARL
C3320
16V
R3339
0.1u
1k
R3319
L3309
R3333
R3337
100
G1C100K00020
127
100
R3327
C3322
C3326
330
50V
R3335
50V
10p
430
47p
Q3306
2SB0709ARL
R
Y
L
R
L
V
Q3303
D3309
MAZ81400ML
2SD0601ARL
R
R3320
R3324
D3310
33k
100
MAZ81400ML
R3330
100
C3317
AE_R
R3321
10V
47k
10u
C3446
R3328
16V
1k
0.1u
48
TV
47
LTV
C2
46
C(+6dB) 4.5V
S2-2
COUT1
45
Q3304
GND
44
V/Y(+6dB) 3.3V
2SD0601ARL
YOUT1
43
TRAP1
42
R(0dB) 4.5V
R3322
ROUT1
41
33k
L
R3325
BIAS
VOUT1
40
L(0dB) 4.5V
100
YIN1
LOUT1
R3331
39
C3318
100
CIN1
AE_L
38
R3323
10V
47k
37
10u
C3315
C3316
C3448
R3329
16V
10V
16V
47u
1u
1k
0.1u
C3314
10V
10u
R3413
22
F_SDA
F_SCL
R3414
22
L3319
J0JHC0000078
9V
C3309
C3311
16V
16V
47u
0.1u
5
6
7
52
C
C3329
50V
1000p
C3327
C3331
16V
10V
0.1u
10u
Y
C3330
50V
1000p
C3328
C3332
16V
10V
0.1u
10u
1
2
3
4
5
8
9
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