Dg-Board (2 Of 7) Schematic Diagram - Panasonic TH-42PX20U-P Service Manual

14.33. DG-Board (2 of 7) Schematic Diagram

DG-BOARD TNPA2816AB (2/7)
!
TO
JG-BOARD
(PJG22)
T602
T601
G1BYYYH00004 G1BYYYH00004
1 3 1 3
2 4 2 4
1
STB3.3V
2
3
4
5
6
7
VAO_MUTE
AFC_1ST_TNR
R4828
0
AFC1
SCL2
1 3
LC4421
J0HAAB000012 2 4
SDA2
1 3
LC4422
J0HAAB000012
2 4
HDMIWP
HDMIINT
LC4423 1 3
J0HAAB000012 2 4
SCLHDMI
1 3
LC4424
J0HAAB000012
2 4
SDAHDMI
LC4425 1 3
J0HAAB000012 2 4
Q4517
DVI_Y
2SB1218A-TX_M LC4426
J0HAAB000012
1 3
R4848
R4845
220 2 4
200
Q4518
DVI_PB LC4427
2SB1218A-TX_M
J0HAAB000012
1 3
R4849
220 2 4
Q4519
DVI_PR
2SB1218A-TX_M LC4428
J0HAAB000012
1 3
R4850
220 R4847 2 4
200
DVI_L
1 3
LC4429
J0HAAB000012 2 4
DVI_R
1 3
LC4430
J0HAAB000012
2 4
R4834 R4632 R4633
2200
0 0
TO
G-BOARD
(G7)
DG7
8
TH-42PX20U-P
DG-BOARD (2 of 7) Schematic Diagram
10 11
TO
PA-BOARD
TO
(PA6)
JG-BOARD
(PJG21)
TO
DV-BOARD
(DV7)
DG51
1
2
3
4
101
5
102
6 103
7 104
8
105
9 106
10 107
11
108
R4631
12
Q4514 0 109
2SD1819A-TX HDMI_Y
R4842 13 110
68
R4836
14 111
220
R4839 HDMI_PB
15
560 112
Q4515
16
2SD1819A-TX 113
R4843
68 HDMI_PR
R4837 17 114
220
R4840 Q4516 18 115
560
2SD1819A-TX
19 SUB9V
116
R4844
R4838
68
220 20 117
R4841 21
560
22
TO
23
H-BOARD
24 (H1)
25
(DG->TU,H)
HDMI_L 26
27
HDMI_R
28
29
30
TOP
12 13
TO
PA-BOARD
(PA8)
R168 R4817
R167
100
10K 100
MAIN_5V
R4820
R4822
10K
10K
C4833
6.3V
R4824
6.8
470
R4823
10K
C4834
6.3V
R4825
6.8
470
R4821
10K
AVR 9V
2SD1819A-TX
IC4811
PQ09TZ11
DG1
AUDIO_GND
AUDIO_R
PQ07VZ012ZP
AUDIO_GND
201
IN SW OUT Vadj GND
301
AFC_1ST_TNR_1
401
202 L4812
302 AFC2_2
10
402
FM_TRAP_1
203
303 C4814 1%
403 SDA2_2 C4813
16V R4816
204 10V R4815
SUB_Y2 0.1 1.37k
304 33/10V 1.5k
404 1%
205 SUB_PB2
305
SUB_PR2
405
206
306 MAIN_PB1
406
207
MAIN_PR1
307
407 S3
208
308
408 R4630 0
209 V3
309 R4629 0
409
L3
210
310 R3
410
211
311 JPEG_C
411
212 BBE_L
312
ATSC_Y
412
213
313 ATSC_PB
413
ATSC_PR
214
314
414 ATSC_L
215
ATSC_R
315
415
DVI_Y
216
316
DVI_PR
416
217
DVI_L
317
417
DVI_R
14 15
95
R4830
12K
Q4559
2SD1819A-TX
MAIN_Y_CC
R4826 MAIN
1k
SUB SUB_Y_CC
Q4560
R4827
1k
C4817 C4818
16V
4V
1 100
TH-42PX20U-P
DG-BOARD (2 of 7) Schematic Diagram
16 17
TH-42PX20U-P
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
18