Panasonic TH-42PA20A Service Manual page 31

4.7. DG-Board (1 of 8) Schematic Diagram
TO
PA-BOARD
(PA2)
A
C1004 C1002
16V
16V
0.1u 0.1u
+
+
C1005
C1003
16V
47u
220u
B
TO
DG1
H-BOARD
(H1)
B1 JS192
30V
JS195 0
A1
SUB5V
B2 0
MAIN9V
JS020
A2
SUB5V
B3
MAIN9V
A3
SUB9V
B4
MAIN3.3V
POWER
A4
SUB9V
B5
MAIN3.3V JS030
A5
GND
B6
GND
A6
C GND JS039
B7
GND
A7
SDA1
B8
IIC
SDA0
A8
SCL1
B9 JS021
SCL0
A9
GND
B10
GND
A10
GND
B11
GND
A11 JS031
Audio Out MAIN-L
JS040
B12
MAIN-R
A12
A_GND
MainVideo JS015
B13
MAIN_Y/VBS
A13
A_GND
JS026
B14
MAIN_C
A14
A_GND
JS035
SubVideo B15
SUB_Y/VBS
A15
A_GND
JS016
B16
SUB_C
A16
A_GND JS027
B17
AV4_Y
AV4_YUV
A17
A_GND
JS036
B18
AV4_Pb
A18
A_GND
JS052
B19
D AV4_Pr
A19
A_GND
B20
VS
A20
A_GND
B21
HS
A21
NC
B22
NC
JS018
A22
AV_MUTE
JS029
Controll B23
SOUND_DEF
JS038
A23
AFT2
JS019
B24
AFT1
A24
A_GND
B25
IDTV_R
A25
IDTV_V
IDTV
B26
IDTV_L
A26
A_GND
B27 AV3_R
AV3_R
A27
AV3_L
B28
(AGC2)
A28
A_GND
AV3_C
B29
AV3_C
A29
AV3_V_GND
AV3_input B30
AV3_V
A30
AV3_C_GND
B31 AV3_Y
AV3_Y
A31
E AV3_Y_GND
B32 AV3_S
AV3_S
A32
AGC1 JS025
B33
NC
A33
AV2_Y
JS014
B34
AV2_Pr
A34
AV2_YUV AV2_Pb
JS044
JS154
JS182
ZA1003 ZA1004
ZA1000
K4ZZ01000121 K4ZZ01000121
F K4ZZ01000121
K4ZZ01000121
TH-42PA20A/F/M/H/R DG-BORAD (1 of 8) Schematic Diagram
1 2
TO
PA-BOARD
(PA6)
C1009 C1006
C1000
16V 16V
16V
0.1u 0.1u
0.1u
C1001
C1007 +
4V + 6.3V
100u 47u
+
C1008
4V 16V
47u
R1068
10k
R1075 R1071
1k 10k TO
R1213
1k
D-BOARD
(D3)
Q1007
2SD0601A0L
R1215
10k
SUB5V
R1214
47
SDA1
Q1026
SCL1
Q1025 2SD0601A0L
R1235 R1236
2SD0601A0L
4.7k 4.7k
C1234
1 Vcc2 8 R1237 50V
Vcc
10k
0.01u
2 SCLOUT 7
SDAOUT
SDA0
C1235 C1236 3 SCLIN 6
50V 50V SDAIN
270p 4 GND 5
270p
ACC
MAIN9V
SCL0
C1238 C1239
IC1235
50V 50V
100p
100p
C0ZBZ0000800
5V<=>3.3V
MAIN_YV AV4_Y
AV4_PB
MAIN_C
AV4_PR
SUB_YV
SUB_C
EC_GREEN
AV4_Y
EC_BLUE
AV4_PB
EC_RED
AV4_PR
MAIN_YV
MAIN_C
AV_MUTE
MSP_DEF
AFC2
AFC1
SUB_YV
SUB_C
EC_GREEN
EC_RED
D1000
EC_BLUE
MA3X152K0L
SUBON
R1000
47k
AGC2
KEY
AGC1
JS207
ZA1005
ZA1002
K4ZZ01000121
3 4
TO
PA-BOARD
(PA8)
DG6
DG3
R1005
R1224
10k
0
TP47R TP47B TP47G
JS071
TU_RXD
TU_TXD
SOS_PANEL
R1222
L1270 0
J0JCC0000241
C1270 C1274
16V 16V
0.1u 47u
C1275
16V
1u
R1279 100 R1280 47
1 36
G/Y/CV-1 SDA
R1278 C1276 1u R1281
100 2 35 47
B/U/SC-1 SCL
16V
R1276 100
3 34
R/V/CY-1 GND2
C1277 100 TP012 MAIN_Y_VBS
4 33 R1282
16V L1 Y/SY/CV OUT1
1u
100 TP017
C1271 5 32 R1283 MAIN_C_PB
R1 U/SC OUT1
16V
R1277 1u TP016
100 R1284 100 MAIN_PR
6 Y/CV-2 V/SY OUT1 31
R1275 100 C1272 1u
7 U/SC-2 L OUT1 30
16V
R1274 100
8 29
V/SY-2 R OUT1
C1273
9 28
16V L2 VCC2
1u TP014
R1285 0 SUB_Y_VBS
10 27
R2 Y/SY/CV OUT2
TP015
R1286 100 SUB_C_PB
11 26
R1270 VCC1 U/SC OUT2
16V
TP013
100 C1278 1u R1287 100 SUB_PR
12 25
Y/CV-3 V/SY OUT2
C1279 1u
13 24
U/SC-3 L OUT2
16V
R1271
14 23
100 V/SY-3 R OUT2
15 L3 GND1 22
16 21
R1272 16V R3 L4
JS172
100
C1280 1u
17 20
Y/CV-4 R4
JS170
C1281 1u
18 19
U/SC-4 V/SY-4
16V
R1273
100 JS169
IC1270
JS168
AN15851A-E1
AV SW
SUB5VGK
DG7 DG18
DG12
TO
TO
TO
G-BOARD
K-BOARD
G-BOARD
(G7)
(K12)
(G18)
5 6
31
TH-42PA20A / TH-42PA20F / TH-42PA20H / TH-42PA20M / TH-42PA20R
DG8
SRQ
DG32
REMOCON
SOS-INFO
12V
SDA0
SCL0
Q1000
2SB0709A0L
R1013
5.6k R1015
3.3k
Q1001
2SD0601A0L
R1019
Q1002 0
2SD0601A0L
C1010
16V
0.1u
R1018
220k
DG-BOARD (1/8)
!
TXNDG1QCSA(FOR TH-42PA20A)
TXNDG1QCSF(FOR TH-42PA20F)
TXNDG1QCSH(FOR TH-42PA20H/M/R)
TH-42PA20A/F/M/H/R DG-BORAD (1 of 8) Schematic Diagram
7 8
1
2
3
4
5
6
7
8
9
10
11
R1022
27k
12
13
14
15
16
17
18
19
9