Panasonic TH-42PX20U-P Service Manual page 151

51
52
53
54
55
56
57
58
59
C4684
16V
0.1
R4642 R4645 R4647
RGB AMP
33k 33k 33k
IC4512
C4663
C4665 C4666
6.3V 6.3V 6.3V AN15935A-VF
1 1
1
60 Rin
13
R4643
RCF
10k 1%
14 COF-R ROUT
61
15 Gin OUTPUT9v
GCF
1% R4644
BCF 10k
R4636 16 COF-G GOUT
10k 1%
62
Bin BrightS/H
D4503 17
MA3X70400L
COF-B BOUT
18
R4652
AP_BLK
19 BLK SPOTkiller
0
AP_HCLP R4637
100
CLP OSD-Rin
20
AP_RDV
R4638 10k
Drv-R OSD-Gin
21
1%
AP_BDV
R4639 10k
22 Drv-B OSD-Bin
1%
AP_OSDCNT
R4640 10k
23 CONTRAST
1%
R4648 R4650 R4651 24 GND
33k
33k 33k
C4667 C4668
C4669
6.3V 6.3V 6.3V
1
1 1
63
M_YS
64
65
Q4522
R4677 6.3V
C4805
2.2k
16V R4653 2SD1819A-TX
0
220
SUB_PB C4678
50V 22p 6.3V
R4656 R4662 R4667
L4520
0 220 1% 5.6 330
Q4526
1%
2SB1218A-RTX
C4671 C4685
R4674
R4657
50V 50V
2.4k
680
47p 120p
1%
C4670
10V
1[ZF]
Q4523
6.3V
C4807
2SD1819A-TX R4678
16V R4654
2.2k
0 220
SUB_PR1 C4679 6.3V
50V 22p
R4658 R4663 L4521 R4668
0 220 5.6 330
1%
Q4527
1%
C4672 2SB1218A-RTX
C4686 R4675
R4659 50V 50V 2.4k
680
47p 120p 1%
C4682
10V
Q4524 R4681
C4809 33/10V
2.2k
16V R4655 2SD1819A-TX
0 220
SUB_Y
6.3V
C4680
50V 5P[CC]
R4660 LC4523
R4664 L4522 R4679
0 240 4.7 0 220
Q4529
1%
1% 2SB1218A-RTX
R4661 C4673
C4691
680
50V 50V R4680
100p 750 1%
33p
DG-BOARD
!
TNPA2816AB
(5/7)
66
67
68
69
70
TH-42PX20U-P
DG-BOARD (5 of 7) Schematic Diagram
37 38
C4687 C4683 Q4556
C4820
16V 16V C4819 R4779
16V 16V
10 0.1 1K 2SD1819A-TX
0.1 47
C4821
6.3V
4R7[KB]
GC_B
R4780
R4788
1800
2200
R4776 R4781
120 1K
C4823
6.3V
Q4553 Q4557
4R7[KB]
GC_R
2SB1218A-RTX 2SD1819A-TX
R4782
R4789
1800
9v 12 R4777 2200
120 R4783
1K
11
C4825
Q4554 6.3V
10 4R7[KB]
2SB1218A-RTX GC_G
R4784 Q4558
1800
9 2SD1819A-TX
C4674
R4778
16V 0.1 R4673
120
R4790
8 0
2200
Q4555
7
2SB1218A-RTX
6
M_OSD_R
C4675
5 16V 0.1
M_OSD_G
C4676
4
16V 0.1
M_OSD_B
C4677
3
16V 0.1
M_YS
R4669
YS 2
0 L4524
M_YM J0JGC0000021
R4670
5V
YM 1 5V 1 5
150
Vin Vo
C4702
16V
2
GND
1
C4704
3 4
33/10V Nr
10V ON/OFF
IC4514
C0CBCBD00006
PQ1X331M2ZP
AVR 3.3V
AVR 2.5V
IC4513
PQ07VZ012ZP
MAIN9V
PQ07VZ012ZP
IN SW OUT
L4525
R4689 10
0 AQ_UCLP
1%
C4703 C4705
R4695
10V
0.1 1.5k
Q4533
C4700 33/10V
C4695 R4690 C4701
2SD10300TL 10V R4696
1 10K 16V
1.5k
1[ZF] 47
1%
C4696
R4685 R4692
1 33
33
Q4531 R4697
0
R4694
2SB1218A-RTX
470
R4682
0
AQ_VCLP R4698
0
R4699
120
C4693
1
C4694
Q4530
1
2SD10300TL
R4683
33
R4686
470
AQ_YCLP
R4687
0
MAIN9V
Q4532
R4688 2SD10300TL
C4697
33
6.8
R4693
330
39 40
MAIN2.5V
L4528
J0JGC0000021
C4659
4V
56
R4704 R4715
470 470
C4737
MAIN2.5V
C4735
C4734 16V
50V 50V 0.1[KB]
68p 33p
3.3V
C4706
C4711 C4712
16V C4736 C4738
10V 4V
1
1[ZF] 220 16V 16V
0.1
0.1
C4707
16V
0.1 C4715
C4714 C4740
4V
10V 16V
220 0.1
1[ZF]
C4710
R4700
1 330 65
66
AVDPL3
67
C4729
AVSPL3
10V 1[ZF] 68
C4717
L4526 R4705
NC
J0JCC0000241 10V 1[ZF] 2.7K 69
R4702
R4701 1%
VRO1
1.4k 1% 1K[F] 70
VREF1
1% 71
C4730
L4527
72 AVSDA1
J0JCC0000241 10V 1[ZF] VGS3
73 AVDDA1 CPO3
74 AOUT1
R4711 470
75 NC
1%
76 AVDCLP
C4731
77 AVSCLP
16V 0.1
AQ_UCLP
UCLP
78
AQ_VCLP
VCLP
79
AQ_YCLP
YCLP
80
C4718
Vadj GND
NC
16V 0.1 81
R4706
NC
82
33
1%
VRH1
83
C4708 AD2.5V R4712
NC
150 1% 84
10V
C4724
1[ZF]
0.1 85 AVSAD1
16V
C4709
86 AVDAD1
4V
R4707 1%
100 87 VRL1
33
88 NC
C4719 0.1
16V
89 VIN1
NC
90
NC
91
C4720
R4708
NC
33 16V 0.1 92
1%
VRH2
93
R4713
NC
150 94
C4725 1%
AVSAD2
0.1 95
16V
AVDAD2
96
C4721
97 NC
16V 0.1
98 VRL2
99 NC
R4709 1%
33 100 NC
101 VIN2
C4722
NC
16V 0.1 102
103 VIN3
R4710
VRL3
33 1% 104
C4726
AVSAD3
16V 0.1 105
AVDAD3
106
1%
VRH3
107
R4703 C4723 1% R4714
VSS
33 16V 150 108
0.1
109 VDDE_3.3
110 VDDI_2.5
C4727
111 TEST
16V 0.1 C4732
112 IOCTRL
16V 0.1
113 SADR
SMCK
114
MST
115
XTST
116
C4728 XSM
117
16V 0.1 VDDI_2.5
118
VDDE_3.3
119
C4733
VSS BSUVIN1
120
16V 0.1
BSUVIN0
121 BSUVIN7
122 BSUVIN6
123 BSUVIN5
124 BSUVIN4
125 BSUVIN3
BSUVIN2
126
127
128
C4755 C4762 C4741 C4744 C4751
16V 16V 16V 16V
16V
0.1 0.1
0.1 0.1 0.1
MAIN2.5V
MAIN3.3V
41
MAIN5.0V
5V
L4529
5V
J0JGC0000021
2.5V
1 5
Vin Vo
C4743
C4747
16V C4749
1 16V 4V
2
GND 1
100
3 4
Nr
ON/OFF
C4748
16V
IC4516
0.1
AVR 2.5V
C0CBCAD00006
PQ1X251M2ZP
L4530
J0JCC0000241
C4757
50V
0.01[KB]
R4724
180
C4756
1
C4760
10V
1[ZF]
C4745
C4752
16V 16V
0.1
0.1
C4746 C4753 C4758
16V 16V 16V
0.1
0.1 0.1
Macro Macro
PLL_C PLL_B
For FC READ For SDRAM
VSS
VDDE_3.3
VDDI_2.5
GC2S+
IC4502
MB87J8651PFF-G-BND
DQ14
DQ15
42 43
81
82
83
84
85
86
87
L4531
J0JCC0000241
C4764
C
50V 470p
C4761
10V
1[ZF] C4770
1
R4725
330
MAIN3.3V
MAIN2.5V
C4765
16V
0.1
C4766
16V
0.1 C4771
256
16V 0.1 88
255
254
AY_DQ0
DQ0
253
AY_DQ1
DQ1
252
AY_DQ2
DQ2
251
AY_DQ3
DQ3
250
AY_DQ4
DQ4
249
AY_DQ5
DQ5 248
AY_DQ6
DQ6 247
AY_DQ7
DQ7 246
C4772
VSS 245
16V 0.1
VDDE_3.3 244
VDDI_2.5
243
AY_WE
SDWE
242
AY_CAS
CAS
241
AY_RAS
RAS
240
AY_BS
BS
239
AY_A10
A10
238
AY_A0
A0
237
AY_A1
A1 236
AY_A2
A2 235
C4773
VSS 234
16V 0.1
VDDE_3.3 233
VDDI_2.5 232
AY_DQ16
DQ16
231
AY_DQ17
DQ17 230
AY_DQ18
DQ18 229
AY_DQ19
DQ19
228
AY_DQ20
DQ20
227
AY_DQ21
DQ21
226
AY_DQ22
DQ22
225
AY_DQ23
DQ23
224
AY_DQ24
DQ24
223
AY_DQ25
DQ25
222
AY_DQ26
DQ26
221
AY_DQ27
DQ27
220
AY_DQ28
DQ28
219
AY_DQ29
DQ29
218
AY_DQ30
DQ30
217
AY_DQ31
DQ31
216
C4774
VSS
215 16V 0.1
VDDE_3.3
214
VDDI_2.5
213
AY_A3
A3 212
AY_A4
A4 211
AY_A5
A5 210
AY_A6
A6 209
AY_A7
A7 208
AY_A8
A8
207
AY_A9
A9
206
R4726 AY_CKE
CKE
205 0
AY_CLK
SDCLK
204
C4775
VSS
203 0.1
16V
VDDE_3.3
202
VDDI_2.5
201
AY_DQ8
DQ8 200
AY_DQ9
DQ9 199
AY_DQ10
DQ10 198
AY_DQ11
DQ11 197
AY_DQ12
DQ12 196
AY_DQ13
DQ13
195
AY_DQ14
194
AY_DQ15
193
C4767
16V 0.1
C4768
16V 0.1
C4769
16V 0.1
MAIN3.3V
89
90
TH-42PX20U-P
DG-BOARD (5 of 7) Schematic Diagram
44 45