Panasonic TH-42PX20U-P Service Manual page 253

14.34. DG-Board (3of 7) Schematic Diagram
11
AVR 12V
PQ12SZ1T
VIN
1
C4828 C4829
50V 6.3V
0.01
47/16V
12
13
14
15
16
17
18
19
20
21
22
23
DG-BOARD
!
TNPA2816AB
(3/7)
24
25
TH-42PX20U-P
DG-BOARD (3 of 7) Schematic Diagram
19
TO
PA-BOARD
(PA2)
3
GND
IC4810
VO
TP4411
2
TP4578
C4831
C4830
50V 47/16V
0.01 6.3V
MAIN9V
DG42
101
201
301
102 401
202
302
103 402
203
303
104 403
204
304
105 404
205
305
106 405
206
306
107 406
207
307
108 407
208
308
109 408
209
309
110 409
C
210
310
111 410
211
311
112 411
212
312
113 412
213
313
114 413
214
314
115 414
215
315
9.5V
116 415
216
L4562
316
117 416
J0JGC0000021
217
317
417
20
Q003
Q_SMIN_NPN
R005
2K
R006
1500 R4818
0
12V
21
MAIN_Y
MAIN_PB
MAIN_PR
C4799
16V
47
22
MAIN5.0V
C4793
16V R4501
0
220
C4795
16V R4502
0 220
C4797
16V R4503
0 220
R4
R4
9V
L4501
JW
=
C4502
C4501
16V 10V
0.01
33/10
5V
1 5
Vin Vo
C4800
16V
1
2
GND
3 4
Nr
ON/OFF
IC4521
PQ1X331M2ZP
PQ1X331M2ZP
AVR 3.3V
23
96