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5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C3282
0.1u
50V
C3291
0.1u
16V
A/F only
00
SDA0
SCL0
ly
C2045
0.1u:A/F
0:M/H/R
X2003
R2031
330:A/F
EFCT7004BF
0:M/H/R
R2032
1k
4BF
C2044
08
0.1u
16V
1A0L
L_OUT
R_OUT
MAIN9V
C3234
0.1u
16V
R3267
698
R3259
MAIN_YV
750
1%
R3247
100
Q3208
R3270
698
2SB0709A0L
R3262
750
MAIN_C
1%
R3248
100
Q3209
2SB0709A0L
R3268
698
R3263
750
SUB_YV
1%
R3249
100
Q3210
R3271
698
2SB0709A0L
R3264
750
SUB_C
1%
R3250
100
Q3211
2SB0709A0L
H-BOARD (2/2)
TNPA2949AB(FOR TH-42PA20M/H/R)
TNPA2949AC(FOR TH-42PA20A)
TNPA2949AD(FOR TH-42PA20F)
4
15
30
TO
TB-BOARD
(T11)
21
22
23
24
H11
1
2
3
4
5
6
7
8
9
10
C3285
C3287
0.1u
0.1u
16V
50V
C3292
16V
0.1u
H/M/R only
EX.I/O
MAIN9V
IC3290
C3290
C1AB00000441
16V
0.1u
16
Vcc
R3291
47
15
SCL
R3292
47
R3288
14
SDA
12k
13
SAD2
R3289
12
SAD1
12k
11
SAD0
R3290
100
10
SW3
9
SW2
R3293
100
MAIN_Y_OUT
MAIN_C_OUT
SUB_Y_OUT
SOUND_DEF mute
AV_MUTE
mute
SUB_C_OUT
RGB Sel AV4 AV1
Q-Link Sel AV4 AV2
YUV judge YC,RGB YUV
TH-42PA20A/F/M/H/R H-BORAD (2 of 2) Schematic Diagram
16
11
12
13
14
15
16
17
18
19
20
21
22
23
24
H/M/R only
MODE2_1
MODE2_2
Q3220
MODE1_1
UNR521100L
R3294
Q3221
100
1
UNR521100L
SW1
R3295
MODE1_2
2
SW0
100
R3296
100
3
DAC4
MSP_RESET
R3297
Q3223
SAW_SW2
4
100
DAC3
UNR521100L
R3298
100
5
DAC2
R3299
6
100
DAC1
R3300
100
SAW_SW1
7
DAC0
Q3222
8
GND
UNR521100L
TP3109
TP3114
TP3111
TP3110
TP3108
C3199
C3201
C3196
C3198
C3194
16V
16V
16V
16V
16V
0.1u
0.1u
0.1u
0.1u
0.1u
MAIN_Y_OUT
MAIN_C_OUT
SUB_Y_OUT
SUB_C_OUT
AV4_Y
0
R3269
AV4_PB
0
R3266
AV4_PR
0
R3265
AV3_R
AV3_L
C3195
C3197
R3260
R3261
50V
50V
100k
100k
5600p
5600p
AV3_C
1
5
AV3_Y
2
6
AV3_GND
3
7
AV3_V
4
8
L3120
G0BYYYG00005
AV3_S
AV2_Y
AV2_PR
AV2_PB
17
JS3133
JS3134
JS3137
0
JS3140
0
JS3139
0
JS3138
0
ZA3102
K4ZZ01000121
ZA3104
K4ZZ01000121
ZA3101
K4ZZ01000121
ZA3103
K4ZZ01000121
TP3117
30V
TP3119
C3200
50V
0.1u
B1
30V
A1
MAIN5V(SUB5V)
B2
MAIN9V
A2
SUB5V
B3
MAIN9V
A3
SUB9V
B4
MAIN3.3V
POWER
A4
SUB9V
B5
MAIN3.3V
A5
GND
B6
GND
A6
GND
B7
GND
SDA1
A7
SDA1
0
SDA0
R3281
B8
IIC
SDA0
SCL1
A8
SCL1
0
SCL0
R3282
B9
SCL0
A9
C3181
C3182
GND
47p
47p
B10
GND
50V
50V
A10
GND
B11
GND
A11
MAIN-L
Audio Out
B12
MAIN-R
A12
A_GND
B13
MAIN_Y
A13
A_GND
MainVideo
B14
MAIN_C
A14
A_GND
B15
SUB_Y
A15
A_GND
SubVideo
B16
SUB_C
A16
A_GND
B17
AV4_Y
A17
A_GND
B18
AV4
AV4_PB
A18
A_GND
B19
AV4_PR
A19
A_GND
B20
VD
AV4
A20
A_GND
HS,VS
B21
HD
A21
C2058
50V
B22
220p
AV_MUTE
A22
AV_MUTE
SOUND_DEF
B23
SOUND_DEF
Control
AFT2
A23
AFT2
AFT1
C2059
B24
AFT1
220p
50V
A24
A_GND
B25
IDTV_R
A25
IDTV_V
B26
IDTV_L
A26
A_GND
B27
AV3_R
A27
AV3_L
AGC2
B28
AGC2
A28
A_GND
B29
AV3_C
AV3_input
A29
AV3_V_GND
B30
AV3_V
A30
AV3_C_GND
B31
AV3_Y
A31
AV3_Y_GND
B32
AV3_S
AGC1
A32
AGC1
B33
A33
AV2_Y
B34
AV2
AV2_PR
A34
AV2_PB
TO
H1
DG-BOARD
JS3132
K1KB68A00024
(DG1)
0
18
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