Read Panasonic TX-28PG45 Service Manual online
CONTROL BLOCK DIAGRAM
9
JIG
A - BOARD
A4
4
3
5
1
7
6
A1101
4
13
12
27
28
15
14
26
A3
7
8
A2
4
D2
4
U1
4
13
12
27
28
15
14
26
A1102
9
20
22
8
U2
9
20
22
8
Q854
Q851
A6
2
4
5
K1
2
4
5
D1011
H1
22
A10
22
A11
19
9
3
20
H2
21
19
9
3
20
AV1
AV2
AV4
8
10
12
10
8
8
A44
53
52
23
27
DG
53
52
23
27
Q1114
2
3
IC2001
34
33
6
13
27
IC3001
3
2
IC1253
17
14
18
16
15
13
3
2
4
5
6
7
IC1107
5
6
IC1104
7
6
IC1315
IC1101
99
98
75
74
101
77
127
124
5
6
76
100
RM1001
SWITCH
MATRIX
Rout
SDA1
SDA1
SDA1
SDA1
SCL1
SCL1
SCL1
SCL1
SDA0
SDA2
SCL2
SCL0
SLOW AV4
SLOW AV2
SLOW AV1
SLOW AV2
SLOW AV1
SDA2
SCL2
SCL2
SDA2
SCL1
SDA1
SCL2
SDA0
SCL0
SDA0
SCL0
SDA2
SCL2
V-DAF
H-DAF
SDA2
SCL2
SLOW AV1
SLOW AV2
SLOW AV4
QLINK
QLINK
RMCN
KEY
LED
RMCN
KEY SCAN
LED
PROTECT
SCL2
SDA2
SCL3(0)
SDA3(0)
SCL1
SDA1
SERVICE
PROTECT
H-DAF
V-DAF
D - BOARD
U - BOARD
K - BOARD
G - BOARD
H - BOARD
DG - BOARD
7
In
Out
A1
6
D1
6
Q451
D862
D595
D592
D869
D867
D865
V PROTECTION
Heater Supply
H. Flyback
EW Protection
-VCC Vertical
+15V Supply
+VCC Vertical
21
A7
4
G2
4
AV3
GND
MODEL DEPENDANT
MODEL DEPENDANT
TNR003
Main
Tuner
TNR004
Sub
Tuner
SDA1
SCL1
SDA1 SCL1
A4
2
JK3102
SCL2
SCL2
SDA2
89
90
1
89
90
82
83
48
49
Q1316
IC1303
IC1316
IC1304
IC1301
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