Panasonic TH-42PX20U-P Service Manual page 150

31
32
33
34
35
36
37
IC4506
RESET
PST9128NR
R4551
0
3.3V
1 5
VDD
C4559
2 16V
0.1
R4553
1k
3 4
RST
38
2.5V for A/D
IC4505
PQ07VZ012ZP
PQ07VZ012ZP
IN SW OUT Vadj GND
L4509
10
R4547
C4550 1.5k C4561
C4549 C4564
10V 16V 16V 4V
5V 1%
33/10V 0.1 1
100
R4550
1.37k
1%
39
R4549
0
AVR 3.3V
L4510
J0JGC0000021 3.3V
5V 1 5
Vin Vo
C4552 C4560
C4563
C4551
16V 4V 16V
6.3V 1 100
2 GND 1
6.8
3 4
Nr
ON/OFF C4562
16V
IC4507 0.1
R4548
0 PQ1X331M2ZP
40
R4552
120
41
AB_UCLP
AB_VCLP
AB_YCLP
SDA1
SCL1
42
43
44
DG-BOARD
!
TNPA2816AB
(4/7)
45
46
47
48
49
TH-42PX20U-P
DG-BOARD (4 of 7) Schematic Diagram
28 29
65
C4572
0.1 66
16V
67
C4573
AVSAD11
68
16V 0.1
AVDAD11
69
1%
VRH1
70 NRST
R4559 C4565
NC
33 71 AVSAD12
16V 0.1
AVDAD12
72 VIN1
R4554 R4563
1% VRL1
73
33 150
1%
NC
74
C4566
NC
16V 0.1 75
C4574
AVSAD22
0.1 76
16V
AVDAD22
77
AVSAD21
78
AVDAD21
79
C4575
R4560
NC
33 80
16V 0.1
1%
VRH2
81
C4567
NC
16V 82
0.1
VIN2
83
R4564 1%
R4561 NC
84
33 150
1% VRL2
85
C4568
NC
16V 0.1 86
Global_tvsiginal_processing_CoreLSI
NC
87
C4576
AVSAD32
16V 0.1 88
AVDAD32
89
AVSAD31
90
AVDAD31
91
R4555 NC
92
33
1%
VRH3
93
C4570
NC
94
16V 0.1
VIN3
95
R4562
R4556 NC
96
33 150 1%
1% VRL3
97
MB87J8641PFF-G-BND
C4569
NC
16V 0.1 98
NC
99
AVDCLP
100
C4577
AVSCLP
16V 0.1 101
UCLP
102
VCLP
103
YCLP
104
VSS
105
VDDI_2.5
106
VDDE_3.3
107
MST
108
SMCK
109
C4578
VPD
16V 0.1 110
XTST
111
C4579
VPIN1
16V 0.1 112
HPIN1
113
SCS
114
XSM
115
R4557 56
SDA
116
R4558 56
SCL
117
C4571
VSS
118
16V 0.1
VDDE_3.3
119
AX_FO9
FO9
120
AX_FO8
FO8
121
AX_FO7
FO7
122
AX_FI9
FIN9
123 FIN5
AX_FI8
FO6
FIN8
124
AX_FI7
FIN7
125
AX_FI6
FIN6
126
AX_FI5
127
AX_FO6
128
C4597
C4581
C4582 16V 16V
16V 0.1
0.1
0.1
C4596
16V
0.1
5V 2.5V
1 5
Vin Vo
C4580 C4583
C4587 C4588
6.3V 16V
16V
6.8 1 2 4V
GND
1
100
3 4
Nr
ON/OFF
C4586
16V R4571
IC4509
0.1
12k
PQ1X251M2ZP
R4573
PQ1X251M2ZP
10K
AVR 2.5V
R4574
10K
30 31
C4642
4V
100
256
255
COMP6 VRO6
254
VREF6
AVDDA6
253
AOUT6
252
AVSDA6
251
NC
250
COMP5
249
AOUT5
248
AVSDA5
247
AVDDA5
246
NC
245
COMP4
244
VREF4
243
VRO4
242
AVDDA4
241
AOUT4
240
AVSDA4
239
COMP3
238
AOUT3
237
AVDDA3
236
AVSDA3
235
AOUT2
234
AVDDA2
233
GC2M+ AVSDA2
232
VREF2
231
VRO2
230
ver.2_for_Main_processor
AVDDA1
229
AVSDA1
228
AOUT1 227
VREF1
226
IC4501
VRO1
225
AVDAD
224
VR
223
AVSAD
222
EHT2 AIN4
221
MP AIN3
220
EHT AIN2
219
ACL AIN1
218
TEST
217
YUVOE
216
VMYS
215
VSS
214
VDDE_3.3
213
XOUT
212
VDDI_2.5
211
XIN
210
VSS
209
VDDE_3.3
208
FRCLK
207
VPO4
206
HPO4
205
BLK
204
HCLP
203
BCF
202
GCF
201
RCF
200
POUT BDV
199
For FBP
For BurstLock For Mid_CLK VDDI
RDV
198
PLL
PLL PLL
VDDE_3.3
197
Macro
Macro Macro VSAW
196
VDDE
195
194
193
C4602 C4613
16V
16V
0.1
0.1
C4612 C4614
16V 16V
R4581 0.1 0.1
180
R4586
1.8k
C4604 C4621
50V
1
C4619
470p
1
C4601 C4603 C4606 C4611
10V 16V
16V 10V
0.1 1[ZF] 0.1
1[ZF]
R4603 R4610
470 470
C4645
R4587 R4589
C4650
50V
470 470
33p 50V
68p
C4617
C4622
50V
50V
33p
68p
32 33
IC4522
MAIN2.5V
PQ1X251M2ZP
AVR 2.5V
5V
1 5
Vin Vo
C4589 C4590 C4594
L4515
16V
J0JGC0000021 6.3V 16V
MAIN2.5V
6.8 1 2 1
GND
C4657
4V 3 4
56 Nr
ON/OFF C4591
16V
0.1
R4609
1.1k
C4625
R4611
1% 1.4k
10V 1[ZF] 1%
R4591
C4626
C4653
1%
2.7K 10V 1[ZF] 4V
100
R4597
C4623
1%
200 10V 1[ZF]
R4598
C4627
1[ZF] 75[F]
10V R4618
B_OUT
1% 10
C4628
10V 1[ZF]
R4606
C4636 C4629 1.4k
10V 1[ZF] 10V 1[ZF] 1%
C4624
R4592
1% R4607
2.7K 10V 1[ZF]
1.1k R4616
10
1% G_OUT
R4599
75[F] 1%
C4630 R4600 R4617
1%
10
10V 1[ZF] 75[F] R_OUT
R4601 C4631
1%
470 10V 1[ZF]
L4516
J0JCC0000241
C4639 C4648
R4614
10V 10V 1[ZF] 1.4k
1[ZF]
1%
R4593 R4612 C4649
L4517
1% 1% 1[ZF] J0JCC0000241
2.7K 1K[F] 10V
1%
R4615
C4640 PLL2.5V
R4613
1.4k
1K[F]
10V 1[ZF]
R4594
2.7K 1% 1%
MAIN3.3V 1%
C4641 R4605
C4658
C4632
10V 1[ZF] D4502 470
10V 16V
MA3X70400L 0.1
1[ZF]
C4655
16V
0.022
R4627
R4620 2.2k
100
C4656
L4514 R4628
50V
J0JCC0000241 2.2k
R4595 R4602 0.01
0
0
C4633
16V 0.1
X4501 C4651
LN-M8-349
50V 15p
C4652
50V 15p
C4637
16V 0.1
R4604
22
C4634
0.1
16V
R4567
C4635
5V 0 5V
16V 0.1 AP_BLK
AP_HCLP 3.3V
BCF
GCF
1 5
Vin Vo
RCF C4654 C4660
16V
16V
AP_BDV
1 2 1
GND
AP_RDV
R4622
3 4
Nr
10k C4661
ON/OFF
16V
0.1
IC4511
R4623 PQ1X331M2ZP
10k
AVR 3.3V
C4638
16V
0.1
C4646
16V 0.1
MAIN3.3V
C4616
16V
0.1
VCC 1Re 1Ce 1Q 2Q
FLIP FLOP
R4584 IC4510
10K
TC74HC221AF(ELNEW)
TC74HC221
1A 1B 1CLR 1Q 2Q
1%
R4590
3.3k
AP_BOW
1%
R4596
15k
TH-42PX20U-P
DG-BOARD (4 of 7) Schematic Diagram
34 35
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
2CLR 2B 2A
2Ce 2Re GND
C4647
50V
1000p
C4644
16V
1
66
67
68
69
70
36