Panasonic TH-42PA25U-P Service Manual page 309

H-BOARD TNPA2817(2/2)
1
2
3
4
5
6
7
8
9
C4204
IC4201 0.01
C4205
M5243AFP09-600D
0.022
C4206
EQUALIZER C4201
0.1
16V
10
R4202 R4209
NP
91K 2200
R4201
R4203 R4210
4700 470 91K
C4207
R4204 R4211
1000P
2200 91K
9V
IC4202
TC74HC4066AF(EL)
SWITCH
R4214
10K
R4207
3300
R4208
Q4201
47K
2SD1819A0L
C4211
IC4203
C4212 3300p
NJW1147AM-TE1 C4213
16V 0.033
BBE VIVA
C4214 25V 4R7
C4215 0.1
C4216 1
C4217 0.1
C4218 1
1
C4219
SDA2
SCL2
IC4204
BA15218F-E2
VAO
R4206
1K
R4205
10K
10
TH-42PA20U
H-Board(2of2)Schematic Diagram
10 11
30V
9V
IC4301
CXA2079Q
R4381 R4382 R4383
680 680 680
INPUT SELECT
C4369
0.01[ZF]
R4380
68
1%
Q4303 R4305 220
2SB1218A0L S1
R4384
470 C4301 1 R4306 220
C1
C4302 1 R4307 220
R1
C4303 1 R4308 220
Y1
C4304 1 R4309 220
L1
C4305 1 R4310 220
V1
GND
C4236 C4246 S2
0.015 0.01
C4208 1 20 C2 C4306
IN1-1 IN1-2
0.015
2 19 C4237 R2 C4307
NF1-1 NF1-2 C4247
0.022
C4209 3 18 0.022 Y2 C4308
IN2-1 IN2-2
0.022
4 17 C4238 L2 C4309
NF2-1 NF2-2 C4248
C4249
0.068[KB] C4310
C4210 5 16 0.1 V2
IN3-1 IN3-2 16V
0.068[KB] 16V
10
6 15
NF3-1 NF3-2 R4234 R4241
NP
7 14 2200 91K
PFBIN-1 PFBIN-2
8
13
NFBIN-1 NFBIN-2 C4243 R4245
R4219 R4230 R4235 R4242
9
4700 12 4700 1000P 91K 470 4700
OUT1 OUT2
10 11
GND VCC R4243
C4225 C4239 R4236
91K 2200
10V 10V
1[ZF] 100/16V
R4233
10K
L4201
10
C4240 C4242
Q4204
1 10V 10V
14
1[ZF] 100/16V 2SD1819A0L
2 1 EQ_L SWITCH
13
3 12
4 2 THROUGH_L 11
R4240
3300
5 4 10
AUX0 AUX1
EQ_R R4238
Lo Lo PROHIBIT
6 9 47K
Lo Hi GEQ ON
7 3 8
Hi Lo Through
THROUGH_R
Hi Hi PROHIBIT
SWITCH
BBE_L
C4227
1 1 30 1 BBE_R
INa INb
2 29 C4228
BBE1a
BBE1b 3300p
3 28
BBE2a BBE2b C4229
0.033
4 27
BBEOUTa BBEOUTb
5 26
TONEINa TONEINb
6 25
TONE-Ha TONE-Hb C4230 25V 4.7
+
7 24 R4244
TONE-La TONE-Lb C4231 0.1
680
8 23
OUTa OUTb
9V
9 22 Q4205
AGC SR-FIL C4232 0.1
AUDIO_R
10 21 2SD1819A0L
SS-FIL VREFF C4233 1
11 20
CVB CTH C4234 1 R4247
R AMP
1K
12 19
CVA CTL C4235 1
13 18
SDA AUX0
R4217 100
R4246
14 17
SCL AUX1
R4218 100 680
15 16
GND Vcc
C4241
C4226 Q4206
10V AUDIO_L
0.01
100/16V 2SD1819A0L
L AMP
GND
R4248
1K
C4220
0.01[ZF]
GND
8 1
VCC
R4226
2 18K
7 R4231
R4228
10K
R4212 R4220
3 3300
10K 18K 6 NP
NP 4 C4244
5 R4227
GND 16V
4700
10
C4202 R4215
16V 3300
R4221 R4232
10 4700 C4223 10K
GND
R4213 16V
10K 10
C4221
16V
10
R4225 C4224 C4245 R4239
C4203 C4222 R4223 1K 1 1 1K
1[ZF] 1[ZF] 1K
10V 10V Q4203
R4224 R4229
R4216 Q4202 10K 47K 2SD1819A0L
47K
2SD1819A0L
VAO_MUTE
R4237
R4222
1K
1K
VAO MUTE
VAO MUTE
12 13
9V
NTSC2
C4315
C4312
16V
0.01
47/16V
C4370
16V 1
C4317
16V 47/16V
C4316 R4330
16V 1
82
+
32 52 NTSC_L
31 53
30 54 NTSC_R
AGND YIN1
29 55
NC BIAS TRAP1 R4331
SDA
28 V1IN=AV4
SCL CIN1 56 82 NTSC_VY1
S-4 V2IN=AV3 YOUT1
LOUT1
27 ADR R4332 GND GND
V3IN=AV2 57
S2-4 NC VOUT1 VGND
V4IN=AV1 82
26 ROUT1 NTSC_C1
NC V5IN=TV1 58
C4 COUT1
LTV
25 V4 TV =TV2 R4333 220 C4372 C4371 1 LTV1
59
RV4 S-3 TV LV5
1
24 RTV R4334 220 VTV1
S2-3 60
Y4 V5
C3 V1
23 R4335 220 C4373 1 RTV1
RV3 LV1 61
LV4 RV5
22 Y3 Y1 62 GND
21 63 R4336 220 C4374 VTV2
1
20 64
GND
GND
R4376 PT C4375 PT ATSC_L
R4377 PT C4376 PT ATSC_R
C4318
GND ATSC_V
16V R4378 PT C4377 PT
1 GND
V3
1
C4319 1 L3
1
C4320 16V 1
Y3
1
C4321 1 R3
1
C4322 1 C3
1
S3
R4401
75 1%
R4402
75 1%
SD Y/C
IIC2
14 15
NTSC_MAIN
ATSC-YPbPr
IC4302
AN15852A-VT
AN15852
YPbPr SELECT
C4325 65
1
R4342 1K
NTSC_VY2 66
NTSC_C2 67
SC
Pbout1
PDD2
C4326 R4343 1K 68 APD2
SY Prout1
1 L2 VGND7
69
VGND5
R2 Lout1
70
L5 AGND2 Rout1
71 CV/SY BIAS
R5
Yout2
72
AGND5
73
SLV_ADD
C4327 1 R4344 1K L6 Pbout3
DTV_Y1 74
CV/SY
R6 Prout3
C4328 1 R4345 1K 75
DTV_PB1
SC AGND6 AGND9
DTV_PR1 C4329 1 R4346 1K 76
I_VCC Lout3
SY
77 SDA Rout3
VGND6
R4340 1K AGND4
DTV_L1 C4323 78
1
DTV_R1 79
C4324 R4341 1K 80
1
C4330
1000P[KB]
C4331
1000P[KB]
C4334
16V
L4301
0.1
10
C4332
16V
5V
0.1
C4333
6.3V
100/6.3V
DTV2
9V
DVI/HDMI
5V
VAO_MUTE
AUDIO_L
SUB9V
TO
DG-BOARD
(DG1)
TH-42PA20U H-Board(2of2)Schematic Diagram
16
MAIN
C4351
0.1
TP4226
TP4227
9V
R4371
330
BBE_L
R4372
330
40 BBE_R
39 C4360 R4373
+ 0
16V 10 SUB_Y
38
37 C4356 R4374
VGND8
16V 0.1 0 SUB_PB
36
Pbout2
SUB_PR
35
Prout2
34 C4357 R4375
VGND8
16V 0.1 0
33
L2
32 L4302
R2
DCOUT 10
31
AVCC
30
Yout3 C4358 C4359
16V
29 10V
VGND9
1.0 100/16V
28
27
26
GND
25
GND
Y_SD
BBE_R
GND
ATSC_V
GND
DVI_PB
GND
17 18