Panasonic TH-50PE8U Service Manual page 54

11.18. A-Board (10/15) Schematic Diagram
! A-BOARD TNPH0716AKS (10/15)
SUB5V
!
TU8300
R8336
0
ENGE6604KF
TUNER
NC
1
NC
2
NC
R8300
3
VJUMP1005-S
L-out RF_L
S
4
R-out RF_R
5 S
R8301
VJUMP1005-S
RF-AGC_Monitor
R8332
7 VJUMP1005-S
Video-out VIDEO_OUT
S
8
VB 5V_VB
9 C8301 C8302 C8310 L8301
50V 16V 6.3V J0JHC0000045
1000p 0.1u 220u
BT30V
BT_Monitor
TP8303
11 L8302
BTL BT30V J0JHC0000045
12 C8303 C8311
35V
50V
0.01u 22u
SDA R8302 47 FE_SDA_TU
14 C8304
R8303
SCL 50V 82p 47 FE_SCL_TU
15 C8305
R8331
AFT-out 50V 82p 0 AG_RF_AFT1
16
+B 5V_+B
17 C8313 C8307 C8312
L8303
IF_Monitor 50V 16V 6.3V
J0JHC0000045
1000p 0.1u 220u
18 R8304
IF-AGC 0
19
IFD-out1
20
IFD-out2
21
C8386
50V
R8305
1000p
100
IF_OUT_P
C8314
C8387 50V
50V 27p
1000p
IF_OUT_N R8306
100
TH-50PE8U
A-Board (10/15) Schematic Diagram
82 83
FrontEnd
SUB5V
R8313
1k
R8311
220
Q8300
2SB0709ASL
C8325
16V
FA_IF_AGC
0.1u
C8326
16V
0.1u
C8315 C8318 C8321
50V
50V 16V
12p 100p 0.01u FA_FAT_P
L8304
G1CR22JA0020 C8317 C8320
R8335
50V 50V
L8305 27p 68
22p
G1CR22JA0020
C8327
16V
FA_FAT_N
C8323 C8324 0.1u
50V 50V
C8316 C8319 C8322
12p 12p
50V 16V
50V 100p
12p 0.01u
X8300 FA_FAT_P
H0J250500079
25MHz
FA_FAT_N
84 85
SUB3.3V
1 108
2 107
3 106
4 105
NC3 NC15
VDDA6 TRST
5 104
NC4 NC19 NC17 VDDL9
6 NC20 OPN11 103
NC5 VSS15
C8330
7 102
16V VDDA0 OPN9
0.1u
8 101
VSSA0 OPN8
9 100
VSSA1 VDDH5
10 99
VDDL0 VSS14
11 98
VSS0 IBSCK
12 97
NC6 IC8300 VDDL8
C8331
13 96
16V VDDA1 VSS13
0.1u 14 95
MN884350
VSSA2 IBSDO
15 94
NC7 IBDEN
16 93
NC8 IBPCK
C8332
17 92
16V VDDA2 VDDH4
0.1u 18 91
VSSA3 VSS12
19 90
C8333 OPN0 OPN7
16V 20 89
VDDA3 OPN6
0.1u
21 88
VDDL1 VDDH3
22 87
VSS1 VSS11
23 86
VDDL2 OPN5
24 FRONT END PROCESSOR 85
XO OPN4
25 (TERRESTRIAL RECEIVER) 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
IBADVRL NC12
0.1u 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
16V
0.1u
C8340
16V
0.1u
C8346
16V
0.01u
86 87
54
R8333
47k
SUB1.2V SUB3.3V
CH0CLK
CH0CLK
CH0PSYNC
CH0PSYNC to (1/15)
CH0VAL LiteII
CH0VAL
CH0DATA
CH0DATA
SUB3.3V
R8334
47k
XIRQ2
to (1/15)
XIRQ2
FE_XRST
XECS6
to (1/15)
XECS6
AD_SDA2
AD_SDA2
AD_SCL2 to (3/15)(5/15)(13/15)
AD_SCL2
R8323 100 XIRQ2
C8360
16V
0.1u
C8361
16V
0.1u
R8324 47
CH0CLK
C8362
16V AG_RF_AFT1
AG_RF_AFT1
0.1u
R8325 47 CH0DATA TP8300
47 CH0VAL
R8326
RF_L
R8327 47 CH0PSYNC RF_L
C8363 TP8301
16V
0.1u
RF_R
RF_R to (5/15)
TP8302
C8364
16V RF_V
0.1u RF_V
C8365
16V
0.1u
C8366
16V
0.1u
SUB3.3V SUB1.2V
C8367
16V
0.1u
C8372 C8382
C8376 C8381 C8373 C8375
10V 16V
16V 16V 16V 10V
10u 0.01u
0.01u 0.1u 0.1u 10u
SUB5V BT30V
C8374 C8377 C8378 C8379 C8370 C8371 C8380
10V 16V 16V 16V 50V 50V 50V
0.1u
10u 0.1u 0.01u 0.1u 1000p 0.01u
TH-50PE8U
A-Board (10/15) Schematic Diagram
88 89
to (7/15)
90