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