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A-Board (10 Of 19) Schematic Diagram - Panasonic TH-42LRU20 Service Manual

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11.11. A-Board (10 of 19) Schematic Diagram

A-BOARD TXN/A11PDUS (10/19)
!
PC
JK3304A
6
TP3300
1
11
7
TP3301
2
12
TP3302
8
3
13
TP3303
9
4
TP3304
14
10
5
15
TP3305
R3301
R3303
D3300
OPT
K7AAAY000006
SUB3.3V
AV2
JK3300
V
V
V-G
L
L
L-G
R
R
R-G
82
83
TERMINAL VIDEO AUDIO I/O
JK3301D
AVSW
TO 11/19
AV1
R
C3116
R3126
PC_R
R3224
AVSW_R003PIN_RIN
S
10V
10u
R3103
68
75
R3125
G
R3226
C3118
PC_G
COMPONENT
AVSW_R001PIN_GIN
S
10u
10V
68
R3105
75
C3117
R3225
R3127
PC_B
AVSW_R099PIN_BIN
S
10V
10u
68
R3104
75
AUDIO
IN
JK3351
R3227
R3123
K2HC1YYA0024
AVSW_R002PIN_HDIN
S
68
AUDIO
R3101
4.7k
OUT
R3124
R3228
AVSW_R100PIN_VDIN
S
68
R3102
4.7k
TO 3/19
Peaks-COMMON
R3108
100
IECOUT
AVSW
TO 11/19
L3104
R3117
C3113
J0JCC0000287
10u
10V
220
AVSW_R081PIN_CVBSIN5
R3109
75
L3100
R3120
C3111
J0JCC0000287
220
1u
10V
AVSW_R068PIN_L6IN
C3105
R3106
50V
33k
560p
L3101
R3121
C3112
J0JCC0000287
220
1u
10V
AVSW_R069PIN_R6IN
C3106
R3107
50V
33k
560p
JK3350
TP3353
Hotel RS232C
100
R3356
RS232C_RXD(FROM PC) RIGHT
0
R3358
TP3354
RS232C_TXD(TO PC) LEFT
100
R3357
0
D3352
B0BC01600013
B0BC01600013
D3353
D3350
B0BC01600013
D3351
sLD(STM)
TO 3/19
B0BC01600013
SG-P15V_DET/SBI
STMSBI1
HOTEL_SBI
SG-P3.3V_DET/SBO
STMSBO1
HOTEL_SBO
84
85
K1U812A00001
AV1
VIDEO IN
V
V
L
TV VIDEO OUT
L
R IN
R
R
G
Y-SW
Y
Y
G
PB
PB
PR
PR
L
L
R
R
G
TP3351
R
TP3352
L
AUDIO
OUT
C3154
50V
560p
C3153
50V
560p
R3359
IC3350
STB3.3V
C0ZBZ0001361
RS232C DRIVER
20
EN 1
FORCEOFF
C3350
19
2
C3351
C1+
6.3V
VCC
16V
1u
0.1u
18
V+
3
16V
GND
C3354
R3353
100
0.1u
17
C1-
4
T1OUT
R3352
100
16
C2+
5
C3353
R1IN
16V
R3350
100
15
6
C3352
C2-
0.1u
R1OUT
16V
R3354
0.1u
14
7
V-
FORCEON
100
R3351
100
13
T2OUT
8
T1IN
12
R2IN
9
T2IN
11
R2OUT
10
INVALID
86
87
88
37
AVSW
TO 11/19
L3107
J0JCC0000287
R3152
C3123
AVSW_R079PIN_CVBSIN6
10V
10u
220
R3145
75
JS3103
C3163
R3192
10u
10V
AVSW_R095PIN_CYIN1
R3181
82
JS3101
C3164
75
R3196
10u
10V
AVSW_R093PIN_PBIN1
R3182
82
C3165
JS3112
75
R3193
10u
10V
AVSW_R097PIN_PRIN1
82
R3183
75
L3114
R3173
C3149
J0JCC0000287
AVSW_R062PIN_L3IN
10V
1u
220
C3137
R3165
560p
33k
JS3111
50V
S
C3138
R3166
560p
33k
50V
R3174
C3150
AVSW_R063PIN_R3IN
10V
1u
L3115
220
J0JCC0000287
C3157
L IN
R3188
AVSW_R070PIN_L7IN
L3117
10V
1u
220
J0JCC0000287
C3155
R3186
560p
33k
50V
L3118
R3189
C3158
R IN
J0JCC0000287
AVSW_R071PIN_R7IN
10V
1u
220
C3156
R3187
560p
33k
50V
C3161
L3120
R3195
10V
10u
AVSW_R051PIN_R3OUT
J0JCC0000287
330
C3162
R3185
R3191
Q3105
10V
10u
100k
B1ABCF000231
100
R3194
C3159
L3119
330
10V
10u
AVSW_R052PIN_L3OUT
J0JCC0000287
C3160
R3184
10V
10u
100k
Q3104
R3190
B1ABCF000231
100
Analog-ASIC
TO 13/19
MONITOROUT_MUTE
89
90
TH-42LRU20

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