Panasonic TH-42PA25U-P Service Manual page 287

C2-BOARD TNPA2870
A
L7207 STB5V
ELKE103FA
5V
1 3
2
C7210
1u R7222
16V
10k
R7221
10k
D7201
R7306 MA3X152K0L
Q7201
100k
2SB0709A0L
TO
C21 R7305
D-BOARD
22k
D7202
(D32) L7208
MA3X152K0L
5V ELKE103FA 5V
B
1
5V 1 3
2
2
5V
3 C7242
5V 1u
16V
4
NC
5
GND
6
OPT AK_OPT
7
STB5V
8
KEY_SW AK_KEY_SW
9
AK_REMOCON
REMOCON
10
LED_G
11
AB_LE4
LED_R
12
GND
13
DRVRST AB_LE5
DRVRST
14
C7252
GND
50V
15
100p
AF_PCL AB_LE6
PCL
16
AF_CEL
CEL
17
(BLKL)
C AB_LE7
(BLKL)
18
GND
19
CLKL
20
NCLKL
21
GND
22
AJ_D73
D76
23
AJ_D72
D75
24
AJ_D71
D74
25
AJ_D76
D73
26
AJ_D75
D72
AJ_D71
27
AJ_D74
D71
AA_BD75
28
GND
AJ_D72
29
AI_D63
D66
AA_BD76
30
AI_D62
D65
AJ_D73
31
AI_D61
D64
AC_BD61
32
AI_D66
D63
AJ_D74
33
AI_D65
D62
AC_BD62
D 34
AI_D64
D61
35
GND
36
AH_D53
D56
37
D55 AH_D52
38
D54 AH_D51
39
D53 AH_D56
40
D52 AH_D55
41
D51 AH_D54
AH_D51
42
GND
AC_BD63
43
D46 AG_D43
AH_D52
44
D45 AG_D42
AC_BD64
45
D44 AG_D41
AH_D53
46
AG_D46
D43
AC_BD65
47
AG_D45
D42
AH_D54
48
AG_D44
D41
AC_BD66
49
GND
50
E
AH_D55
AE_BD43
AH_D56
AE_BD44
AG_D41
AE_BD45
AG_D42
AE_BD46
F
TH-42PA20U
C2-Board Schematic Diagram
1 2
R7224
10k
R7223
10k
D7203
MA3X152K0L
Q7202
2SB0709A0L
D7204
MA3X152K0L
5V
ELKE103FA
1
5V
R7309 R7310
CLOCK BUFFER 0 0
C7201
C7202
5V
6.3V
1 20 16V
1G~ VCC 1u 10u
AF_CLKL 2 19
R7226 1A1 2G~ R7230
47 47
3 18 AB_CLK11
2Y4 1Y1
4 17 AF_CEL
R7227 1A2 2A4
47
5 16
2Y3 1Y2
AF_NCLKL 6 15
R7228 1A3 2A3 R7232
47 47
7 14 AB_CLK21
2Y2 1Y3
8 13
R7229 1A4 2A2
R7278
47
9 12 0 AB_PCL
2Y1 1Y4
10 11
GND 2A1
5V
BUFFER
C7235 C7236
1 20 16V 6.3V
1G~ VCC
1u 10u
2 19
1A1 2G~
R7245 47
R7241 47 3 18 AA_BD71
2Y4 1Y1
4 17 AJ_D75
1A2 2A4
R7246 47
R7242 47 5 16 AA_BD72
2Y3 1Y2
6 15 AJ_D76
1A3 2A3
R7243 R7247 47
47 7 14 AA_BD73
2Y2 1Y3
8 13 AI_D61
1A4 2A2
47
R7244 47 9 12 R7248 AA_BD74
2Y1 1Y4
10 11 AI_D62
GND 2A1
5V
C7244 C7246
16V
1 20 6.3V
1G~ VCC
1u
10u
2 19
1A1 2G~
TO
R7249 R7253 47 AD_BD51
47 3 18
2Y4 1Y1
DATA
AI_D63
4 17
1A2 2A4 DRIVER
R7254 47 AD_BD52
R7250 47 5 16
2Y3 1Y2
AI_D64
6 15
1A3 2A3
R7255 47
R7251 47 7 14 AD_BD53
2Y2 1Y3
8 13 AI_D65
1A4 2A2
R7252 R7256 47
47 9 12 AD_BD54
2Y1 1Y4
10 11 AI_D66
GND 2A1
BUFFER
5V
BUFFER
C7239 C7250
1 20 16V 6.3V 67V
1G~ VCC
1u 10u
2 19
1A1 2G~
R7257 47 R7261 47 AD_BD55
3 18
2Y4 1Y1
4 17
1A2 2A4
AG_D43
R7258 47 R7262 47 AD_BD56
5 16
2Y3 1Y2
6 15
1A3 2A3
AG_D44
R7259 47 R7263 47 AE_BD41
7 14
2Y2 1Y3
8 13
1A4 2A2
AG_D45
R7260 R7264 47 AE_BD42
47 9 12
2Y1 1Y4
10 11
GND 2A1
AG_D46
TO
DATA
DRIVER
3
TO
SS-BOARD
(SS23)
C23
75V
L7209
5V
5V
3
2
C7243
16V
1u
R7285 Vda67V
0
67V
C7207
R7219
0.1u
220k
100V
TO
C22
C1-BOARD
(C12)
(C1-BOARD REVERSE FOR CONENCETOR PIN NO)
C7211
0.1u
R7287
100V
0
R7213 R7211 R7212 R7214
22
22 22 22
67V 67V 67V
R7294 R7295
120 120
R7293
C7203 120
16V1u
5V
C7217
0.1u
R7286
100V
0
R7238 R7239
R7233 R7235
22 22
22 22
67V 67V
R7290 R7291
180 180
C7206
R7289
16V1u 180
5V
4 5
TO
K-BOARD
C24
(K24)
1
STB5V
2
LED_G
3
LED_R
AK_KEY_SW
4
KEY_SW
5
AK_REMOCON 6
REMOCON
AK_OPT 7
OPT
8
GND
R7237
22
67V 67V
TO
C7406
R7296
120 DATA R7301
16V1u 0
DRIVER
C7254
C7256
50V
100p
100p
50V
5V
R7217
22
67V 67V
TO
C7204
DATA
R7292 R7297
180 DRIVER 16V1u 22
C7253
100p C7255
100p
50V
50V
5V
6 7
C7219
R7269
0.1u 0
100V
R7234 R7240
R7236
22 22 22
67V 67V 67V
R7302 R7303
0 0
R7205
1k
C7213
0.1u
R7268
100V 0
R7215 R7218
R7216
22 22 22
67V 67V 67V
R7298 R7299
22 22
R7300
22
TH-42PA20U C2-Board Schematic Diagram
8 9