H-Board (2 Of 2) Schematic Diagram - Panasonic TH-42PX20U-P Service Manual

TH-42PX20U-P

14.20. H-Board (2 of 2) Schematic Diagram

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
R4204 R4211
2200 91K
9V
IC4202
TC74HC4066AF(EL)
SWITCH
R4207
3300
R4208
47K
IC4203
NJW1147AM-TE1
BBE VIVA
C4214 25V 4R7
C4215 0.1
C4216 1
C4217 0.1
C4218
C4219
SDA2
SCL2
IC4204
BA15218F-E2
VAO
10
TH-42PX20U-P
H-BOARD (2 of 2) 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 1
IN1-1 IN1-2
0.015 C4237 C4307 1
2 19 R2
NF1-1 NF1-2 C4247
0.022
C4209 3 18 0.022 C4308 1
IN2-1 IN2-2 Y2
0.022 C4238 C4309 1
4 17 L2
NF2-1 NF2-2 C4248
C4210 5 16 0.068[KB] 0.1 C4249 V2 C4310 1
IN3-1 IN3-2
16V
0.068[KB] 16V
6 15 10
NF3-1 NF3-2 R4234 R4241
NP
7 14
PFBIN-1 PFBIN-2 2200 91K
8 13
NFBIN-1 NFBIN-2 C4243 R4245
R4219 R4230 R4235 R4242
4700
4700 9 OUT1 OUT2 12 4700 1000P 91K 470
10 11
C4207 GND VCC R4243
C4225 C4239 R4236
1000P
10V 10V 91K 2200
1[ZF] 100/16V
R4233
10K
L4201
10
C4240 C4242
Q4204
10V 10V
1 14
1[ZF] 100/16V 2SD1819A0L
EQ_L
2 1 13 SWITCH
3 12
2 THROUGH_L
4 11 R4240
3300
R4214
5 4 10 AUX0 AUX1
10K
EQ_R
R4238 Lo Lo PROHIBIT
6 9
47K
Lo Hi GEQ ON
3
7 8 Hi Lo Through
THROUGH_R
Hi Hi
PROHIBIT
Q4201
SWITCH
2SD1819A0L
BBE_L
C4227
C4211 1 1 BBE_R
1 30
INa INb
C4212 3300p 2 29 C4228
BBE1a
BBE1b 3300p
C4213
3 28 C4229
BBE2a BBE2b
16V 0.033
4 27 0.033
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 SS-FIL VREFF 21 C4233 1 2SD1819A0L
11 20 R4247
1 CVB CTH C4234 1 R AMP
1K
1 12 CVA CTL 19 C4235 1
13 18
SDA AUX0
R4217 100
R4246
14 SCL 17
AUX1 680
R4218 100
15 16
GND Vcc
C4226 C4241
Q4206
10V AUDIO_L
0.01
100/16V
2SD1819A0L
L AMP
GND
R4248
1K
C4220
0.01[ZF] GND
8 1
VCC
R4226
18K
7 2 R4231
R4228 10K
R4212
R4220 3300
10K 6 3
18K NP
C4244
NP 5 4 R4227
GND 16V
4700
C4202 R4215 10
16V 3300
R4221 R4232
10 GND 4700 C4223 10K
R4213
16V
10K
10
C4221
16V
10
R4225 C4224 C4245 R4239
R4206 C4203 C4222 R4223 1K 1 1 1K
1K 1[ZF] 1[ZF] 1K
10V 10V Q4203
R4224 R4229
R4205 R4216 Q4202
10K 47K 2SD1819A0L
10K 47K
2SD1819A0L
VAO_MUTE
R4237
R4222 1K
1K
VAO MUTE
VAO MUTE
12 13
9V
NTSC2
C4312 C4315
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
V1IN=AV4
V2IN=AV3
29 55
NC TRAP1 R4331
V3IN=AV2
28 56 82 NTSC_VY1
S-4 V4IN=AV1 YOUT1
NC
V5IN=TV1 GND GND
27 NC ROUT1 57 R4332
S2-4 TV =TV2 VGND
ADR VOUT1 82
26 58 NTSC_C1
C4 LOUT1 COUT1
25 S2-3 RTV 59 R4333 220 C4372 C4371 1 LTV1
RV4 LV5
S-3 TV 1
R4334 220 VTV1
24 V4 LTV V5 60
Y4
23 61 R4335 220 C4373 1 RTV1
LV4 RV5
GND
22 62
VTV2
21 63 R4336 220 C4374
1
20 64
GND GND
ATSC_L
R4376 PT C4375 PT
R4377 PT C4376 PT ATSC_R
C4318
GND ATSC_V
16V R4378 PT C4377 PT
1
V3 GND
C4319 1 L3
C4320 16V 1 Y3
C4321 1 R3
C4322 1 C3
S3
R4401
75 1%
R4402
75 1%
SD Y/C
9V
IIC2
14 15
82
NTSC_MAIN
ATSC-YPbPr
MAIN
IC4302
AN15852A-VT
C4351
0.1
AN15852
YPbPr SELECT
TP4227
9V
R4371
330
R4372
330
C4325
65 40
1
R4342 1K
NTSC_VY2 66 39 C4360
16V 10 +
NTSC_C2
67 SC L2 38
R2 APD2 PDD2
C4326 R4343 1K 68 Pbout1 37 C4356
SY VGND8
1 Prout1 16V 0.1
AGND2
69 36
VGND5 VGND7 Pbout2
CV/SY
70 35
L5 Lout1 Prout2
Yout2
Rout1
71 34 C4357
R5 VGND8
BIAS 16V 0.1
72 33
AGND5 L2
73 32
SLV_ADD R2
DCOUT
DTV_Y1 C4327 1 R4344 1K 74 31
CV/SY AVCC
L6 Pbout3
DTV_PB1 C4328 1 R4345 1K
75 30 C4358
SC R6 Prout3 Yout3
16V
DTV_PR1 C4329 1 R4346 1K 76 29
SY AGND6 AGND9 VGND9
1.0
I_VCC Lout3 100/16V
77 28
VGND6
R4340 1K SDA
DTV_L1 C4323 78 Rout3 27
DTV_R1 1
79 26
GND
C4324 R4341 1K 80 25
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
DVI/HDMI
5V
GND
Y_SD
BBE_R
GND
ATSC_V
GND
DVI_PB
VAO_MUTE
GND
AUDIO_L
SUB9V
TO
DG-BOARD
(DG1)
TH-42PX20U-P
H-BOARD (2 of 2) Schematic Diagram
16 17
TP4226
BBE_L
BBE_R
R4373
0
SUB_Y
R4374
0
SUB_PB
SUB_PR
R4375
0
L4302
10
C4359
10V
18