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Panasonic TH-37PA20AA Service Manual page 441

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DG-BOARD TNPA2819 (1/8)
!
A
B
C
D
E
F
TH-42PA20B/E
DG-Board(1of8)Schematic Diagram
1
2
TO
PA-BOARD
(PA2)
DL1001
DL1032
DL1003
ELKE103FA
ELKE103FA
ELKE103FA
DL1048
ELKE103FA
DL1051
ELKE103FA
C1004
C1002
16V
16V
0.1u
0.1u
C1009
16V
+
+
0.1u
C1003
C1005
+
16V
4V
220u
C1008
47u
16V
47u
SUB9V
TO
DG1
H-BOARD
(H1)
B1
30V
JS195
0
A1
SUB5V
JS192
0
B2
MAIN9V
A2
JS020
SUB5V
B3
MAIN9V
R1236
A3
SUB9V
4.7k
B4
R1235
MAIN3.3V
POWER
4.7k
A4
SUB9V
B5
MAIN3.3V
JS030
A5
GND
JS039
B6
GND
C1236
A6
GND
C1235
B7
50V
GND
A7
270p
SDA1
B8
JS021
IIC
SDA0
A8
SCL1
B9
SCL0
JS031
A9
GND
B10
GND
A10
GND
B11
GND
A11
MAIN-L
Audio Out
B12
MAIN-R
A12
A_GND
MainVideo
B13
MAIN_Y/VBS
A13
A_GND
B14
MAIN_C
A14
A_GND
B15
SubVideo
SUB_Y/VBS
A15
A_GND
B16
SUB_C
A16
A_GND
B17
AV4_Y
AV4_YUV
A17
A_GND
B18
AV4_Pb
A18
A_GND
B19
AV4_Pr
A19
A_GND
B20
NC
A20
A_GND
Controll
B21
AV2_QLINK
A21
AV4_QLINK
B22
QLINK_SEL
JS017
A22
AV_MUTE
JS028
B23
SOUND_DEF
A23
AFT2
B24
AFT1
A24
A_GND
B25
IDTV_R
A25
JS018
IDTV_V
IDTV
B26
IDTV_L
JS029
A26
A_GND
B27
AV3_R
AV3_R
A27
AV3_L
AV3_L
B28
(AGC2)
A28
A_GND
B29
AV3_C
AV3_C
JS019
A29
AV3_V_GND
AV3_input
B30
AV3_V
AV3_V
A30
AV3_C_GND
B31
AV3_Y
AV3_Y
A31
AV3_Y_GND
B32
AV3_S
AV3_S
A32
AGC1
B33
EC_FB
A33
EC_G
EC_RGB
B34
EC_R
A34
EC_B
JS025
JS014
ZA1000
ZA1003
K4ZZ01000121
K4ZZ01000121
ZA1002
ZA1004
JS182
AGC1
K4ZZ01000121
K4ZZ01000121
ZA1005
AV3_C,AV3_CGND,AV3_L,AV3_R,AV3_S,AV3_V,AV3_VGND,AV3_Y,AV3_YGND
K4ZZ01000121
DG7
TO
G-BOARD
(G7)
3
4
TO
PA-BOARD
(PA6)
DG6
DL1000
DL1031
ELKE103FA
ELKE103FA
C1006
C1000
16V
0.1u
16V
0.1u
C1007
4V
+
+
C1001
100u
6.3V
47u
R1068
R1075
10k
1k
R1071
TO
10k
D-BOARD
R1213
(D3)
1k
DG3
Q1007
2SD0601ALL
2SD0601A0L
B1ABCC000004
SUB ON
R1215
10k
R1005
R1214
10k
47
MAIN9V
Q1025
Q1026
SUB5V
2SD0601ALL
2SD0601A0L
2SD0601ALL
SDA1
B1ABCC000004
2SD0601A0L
SCL1
B1ABCC000004
TV ON
TV ON
R1237
10k
1
Vcc2
8
Vcc
C1238
50V
2
SCLOUT
7
100p
SDAOUT
C1234
C1239
3
SCLIN
6
50V
50V
50V
SDAIN
0.01u
100p
270p
4
GND
5
ACC
SDA0
L1270
SCL0
J0JCC0000241
MAIN9V
IC1235
5V<=>3.3V
C1274
C0ZBZ0000800
C1270
16V
0.1u
47u
16V
JS040
C1275
16V
R1279
100
1u
JS015
MAIN_YV
AV4_Y
1
G/Y/CV-1
C1276
AV4_PB
2
JS026
MAIN_C
B/U/SC-1
16V
R1278
AV4_PR
1u
100
3
R/V/CY-1
JS035
SUB_YV
R1276
C1277
100
4
16V
L1
1u
JS016
SUB_C
5
R1
6
JS027
Y/CV-2
AV4_Y
7
U/SC-2
JS036
AV4_PB
8
V/SY-2
JS052
AV4_PR
9
L2
10
R2
C1278
11
16V
VCC1
R1270
1u
100
MAIN_YV
12
Y/CV-3
MAIN_C
13
JS176
AV2_QLINK
U/SC-3
R1271
C1279
AV4_QLINK
100
14
16V
V/SY-3
1u
15
L3
JS037
QLINK_SEL
C1280
16
16V
R3
R1272
AV_MUTE
100
1u
SUB_YV
17
Y/CV-4
SUB_C
18
U/SC-4
MSP_DEF
R1273
C1281
100
16V
1u
IC1270
AN15851A-E1
AV SW
AFC1
JS034
EC_FB
SUBON
D1000
EC_GREEN
MA3X152K0L
R1000
EC_RED
47k
JS044
EC_BLUE
MAIN9V
KEY
TO
G-BOARD
(G18)
5
6
DL1015
ELKE103FA
R1224
0
TP47R
TP47B
TP47G
JS071
R1222
0
R1280
47
36
SDA
R1281
47
35
SCL
34
GND2
TP012
R1282
100
MAIN_Y_VBS
33
Y/SY/CV OUT1
TP017
R1283
100
MAIN_C_PB
32
U/SC OUT1
TP016
R1284
100
MAIN_PR
31
V/SY OUT1
30
L OUT1
29
R OUT1
28
VCC2
TP014
R1285
0
SUB_Y_VBS
27
Y/SY/CV OUT2
TP015
R1286
100
SUB_C_PB
26
U/SC OUT2
TP013
R1287
100
SUB_PR
25
V/SY OUT2
24
L OUT2
23
R OUT2
22
GND1
21
L4
JS172
20
R4
JS170
19
V/SY-4
JS169
JS168
SUB5VGK
DG18
DG12
TO
K-BOARD
(K12)
TH-42PA20B/E DG-Board(1of8)Schematic Diagram
7
1
2
3
4
5
6
7
8
9
SRQ
10
11
12
REMOCON
SOS-INFO
13
TU_RXD
TU_TXD
SOS_PANEL
14
15
16
17
18
19
20
21
8
9

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