Panasonic TC-26LX85 Service Manual page 44

11.10. A-Board (7 of 8) Schematic Diagram
A-BOARD (7/8)
!
TNPH0719S (32inch)
TNPH0719ABS (26inch)
Front End
!
TU8300
ENG36E15KF
SUB5V
NC
1
NC
R8337
2 0
NC
3
NC TU_L_ANALOG
4
SIF-out TU_R_ANALOG
5
RF-AGC_Monitor
7
Video-out L8301 TU_VIDEO_OUT
C8301
50V 1000p
8
J0JHC0000045
C8310 VB
6.3V 220u 9
BT30V
C8302
16V 0.1u
BT_Monitor
C8303
L8302
50V 0.01u 11
J0JHC0000045
BTL
C8311
35V 22u 12
SDA R8302 47
C8304
50V 82p 14
SCL R8303 47
C8305
50V 82p
15
AFT-out TU_AFT
16
C8312 +B
6.3V 220u 17
L8303
IF_Monitor
C8307 J0JHC0000045
16V 0.1u 18
C8313 IF-AGC R8304 0
50V 1000p 19
IFD-out1
20
IFD-out2
= 21
C8386
50V
1000p
IF_OUT_P
IF_OUT_N
C8387
50V
1000p
TC-32/26LX85
A-Board (7/8) Schematic Diagram
55 56
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SUB5V
L8308
J0JHC0000045
R8313
1k
5.0V
R8311
220
*Q8300
B1ADCE000022
FE_SDA_TU
FE_SCL_TU
FA_IF_AGC
C8315 C8318
R8305 C8321
12p
100 50V 50V 100p 16V 0.01u
FA_FAT_N
L8304
R8309
C8314 G1CR22JA0020 C8317 C8320
R8336 220
50V 50V 50V
68
27p L8305 27p 22p
G1CR22JA0020 C8323 C8324
50V 50V
FA_FAT_P
10p 15p
25MHz
R8306 C8316 C8319
C8322 X8300
12p
100 50V 50V 100p 16V 0.01u H0J250500079
FA_FAT_P
FA_FAT_N
57 58
SUB3.3V
L8307
J0JHC0000045
C8336
C8328
10V
16V
0.1u 10u
1
2
3
C8330 4
NC3 NC15
VDDA6 TRST
16V 5
NC4 NC19 NC17 VDDL9
0.1u
6 NC20 OPN11
NC5 VSS15
7
VDDA0 OPN9
C8325 8
VSSA0 OPN8
16V 9
0.1u VSSA1 Front End VDDH5
C8331 10
VDDL0 VSS14
16V
11
VSS0 IBSCK
0.1u 12 IC8300
NC6 VDDL8
13
VDDA1 VSS13
MN884350
14
VSSA2 IBSDO
C8332 15
NC7 IBDEN
16V 16
NC8 IBPCK
0.1u
17
VDDA2 VDDH4
18
VSSA3 VSS12
19
C8326
OPN0 OPN7
16V 20
VDDA3 OPN6
0.1u
21
VDDL1 VDDH3
C8333 22
VSS1 VSS11
16V
23
VDDL2 OPN5
0.1u 24
XO OPN4
C8327 25
XI VDDL7
16V 26
VSS2 VSS10
R8314 12k
0.1u C8334 27
IBADIRF OPN3
16V
1% 28
VSSA4 OPN2
0.1u
29
VDDA4 VDDH2
30
VSSA5 VSS9
31
VDDA5 OPN1
IBADVRL NC12
32
IBAINP NC11 FIXL3 IBERR
C8335
33 IBADVRL2 FIXL2
NC9 IBFSYNC
16V
34
0.1u
35
C8337 16V 36
0.1u
C8338 16V
0.1u
16V
C8339
0.1u
C8340 16V
0.1u
C8346
16V
0.01u
59 60
44
TO 5/8
TU_AFT R8331 0
TP8300
TU_L_ANALOG R8300 0
TP8301
TU_R_ANALOG R8301
S
TP8302
TU_V R8332
S
SUB1.2V SUB3.3V
SUB3.3V
R8334
47k TO 1/8
3.3V_D XIRQ2
XECS6
TO 2,8/8
AD_SDA2
AD_SCL2
108
107
R8323 100 C8360 XIRQ2
106
105 16V
0.1u
104
103
102
101 C8361 TO 1/8
100 16V 0.1u
CH0CLK
99
R8324 47 C8362 CH0CLK
98
CH0PSYNC
97 16V 0.1u
96
CH0VAL
95 R8325 47 CH0DATA
CH0VAL
94 R8326 47
CH0DATA
93 R8327 47 C8363 CH0PSYNC
92 16V 0.1u
R8333
91
47k
90
89 C8364
88 16V 0.1u
87
86
85 C8365
16V 0.1u
84
83
82
81 C8366
80 16V 0.1u
79
78
SUB1.2V
77
76 C8367
16V
75 0.1u
74
73
C8382
16V
SUB3.3V 0.01u
C8372 C8376 C8381 BT30V
10V 16V 16V
10u 0.01u 0.1u
C8370
50V
1000p
TC-32/26LX85
A-Board (7/8) Schematic Diagram
61 62
AG_RF_AFT1
RF_L
RF_R
RF_V
XIRQ2
XECS6
AD_SDA2
AD_SCL2
CH0CLK
CH0PSYNC
CH0VAL
CH0DATA
C8375
C8373
16V 10V
0.1u 10u
C8371 C8380
50V 50V
0.1u 0.01u
63