Panasonic TH-C50FD18A Service Manual page 59

11.17. A-Board (11/12) Schematic Diagram
! A-BOARD TNPH0721AQS (11/12)
SUB5V
R8336
0
NC
1
NC
2
NC
3
L-out R8300 VJUMP1005-S RF_L
4 S
R-out R8301 VJUMP1005-S RF_R
5 S
RF-AGC_Monitor
7
Video-out R8332 VJUMP1005-S VIDEO_OUT
8 S L8301
J0JHC0000045
VB 5V_VB
9 C8301 C8302 C8310
50V 16V 6.3V
1000p 0.1u 220u
BT30V
BT_Monitor
TP8303
11 L8302
BTL BT30V J0JHC0000045
12 C8303 C8311
50V 35V
0.01u 22u
SDA R8302 47
14
C8304
SCL 50V 220p R8303 47
15
C8305
AFT-out 50V 220p R8331 0 AG_RF_AFT1
16
+B 5V_+B
17 C8313 C8307 C8312 L8303
IF_Monitor 50V 16V 6.3V J0JHC0000045
1000p 220u
0.1u
18
IF-AGC R8304 0
19
IFD-out1
20
IFD-out2
21
!
TU8300
ENGE6608KF
TUNER
IF_OUT_P
IF_OUT_N
TH-C50FD18A
A-Board (11/12) Schematic Diagram
91 92
FrontEnd
SUB5V
R8313
1k
R8311
220
Q8300
2SB0709ASL
FE_SDA_TU
FE_SCL_TU
FA_IF_AGC
C8326
16V
C8315 C8318 C8321 0.1u
50V 50V 16V
C8327
12p 100p 0.01u
FA_FAT_P 16V
C8386 0.1u
50V
R8305
1000p
100
L8304
G1CR22JA0020
C8314 C8317 C8320
R8335 R8309
50V 50V 50V 68 220
R8306 27p L8305 27p 22p
100 G1CR22JA0020
C8387 FA_FAT_N
C8323 C8324
50V
50V 50V
1000p C8316 C8319 C8322
16V 12p 12p
50V 50V
100p 0.01u
12p
X8300 FA_FAT_P
H0J250500079
25MHz
FA_FAT_N
93 94
SUB3.3V
C8336
C8328
16V 10V
0.1u 10u
1 108
2 107
3 106
4 105
NC3 NC15
VDDA6 TRST
5 104
NC4 NC19 NC17 VDDL9
6 103
NC20 OPN11
NC5 VSS15
C8330
7 102
16V VDDA0 OPN9
0.1u 8 101
VSSA0 OPN8
C8325
16V 9 100
VSSA1 VDDH5
0.1u
10 99
VDDL0 VSS14
11 98
VSS0 IBSCK
12 97
NC6 IC8300 VDDL8
C8331 13 96
16V
VDDA1 VSS13
0.1u
14 MN884350 95
VSSA2 IBSDO
15 94
NC7 IBDEN
16 93
NC8 IBPCK
C8332
17 92
16V VDDA2 VDDH4
0.1u 18 91
VSSA3 VSS12
19 90
OPN0 OPN7
C8333 20 89
16V VDDA3 OPN6
0.1u
21 88
VDDL1 VDDH3
22 87
VSS1 VSS11
23 86
VDDL2 FRONT END PROCESSOR OPN5
24 85
XO OPN4
(TERRESTRIAL RECEIVER)
25 84
XI VDDL7
26 83
VSS2 VSS10
R8314 27 82
12k IBADIRF OPN3
28 81
VSSA4 OPN2
C8334
29 80
16V VDDA4 VDDH2
0.1u 30 79
VSSA5 VSS9
C8335
31 78
16V VDDA5 OPN1
0.1u IBADVRL NC12
32 77
IBAINP NC11 FIXL3 IBERR
33 IBADVRL2 FIXL2 76
NC9 IBFSYNC
34 75
35 74
C8337
36 73
16V
0.1u
C8338
16V
0.1u
C8339 C8340
16V 16V
0.1u 0.1u
C8346
16V
0.01u
95 96
59
CH0CLK
CH0CLK
SUB1.2V SUB3.3V
CH0PSYNC
CH0PSYNC to (1/12)
LiteII
CH0VAL
CH0VAL
CH0DATA
CH0DATA
SUB3.3V
XIRQ2
to (1/12)
XIRQ2
XECS6 FE_XRST
to (1/12)
XECS6
AD_SDA2
AD_SDA2
to (3/12)(5/12)(12/12)
AD_SCL2
AD_SCL2
R8323 100 XIRQ2
C8360
16V
0.1u
C8361
16V
0.1u
R8324 47 CH0CLK
C8362
16V AG_RF_AFT1
to (7/15)
0.1u AG_RF_AFT1
CH0DATA
R8325 47 TP8300
R8326 47 CH0VAL
RF_L
R8327 47 CH0PSYNC RF_L
C8363 TP8301
16V
0.1u
RF_R
RF_R to (5/12)
TP8302
C8364
16V RF_V
0.1u RF_V
C8365
16V
0.1u
C8366
SUB3.3V SUB1.2V
16V
0.1u
C8367
16V
0.1u C8372 C8376 C8381 C8382 C8373 C8375
10V 16V 16V 16V 16V 10V
10u 0.01u 0.1u 0.01u 0.1u 10u
SUB5V BT30V
C8374 C8378 C8370 C8380
C8377 C8379 C8371
10V 16V 16V 16V 50V 50V 50V
10u 0.1u 0.01u 0.1u 1000p 0.01u
0.1u
TH-C50FD18A
A-Board (11/12) Schematic Diagram
97 98 99