Panasonic PT-44LCX65-K Service Manual page 159

CHECKING POINT OF IC2505
Pin Name Voltage Check Point WF No. Remarks
B8 RIN2 0.4
C8 RIN3 1.5 R2527
FOIL SIDE
A7 RIN4 0.2 (LOWER) B7 A7 C8 B8
B7 RIN5 0.3
WF108
C7 RIN6 0.3
A6 RIN7 0.7 R2528
FOIL SIDE
B6 RIN8 0.6 (LOWER) A5 B6 A6 C7
A5 RIN9 0.9
B12 GIN2 0.4
A12 GIN3 1.5 R2525
FOIL SIDE
C11 GIN4 0.3 (LOWER) C11 B12
B11 A12
B11 GIN5 0.3
WF109
A11 GIN6 0.3
C10 GIN7 0.8 R2526
FOIL SIDE
(LOWER) B10 A11
B10 GIN8 0.5
A10 C10
A10 GIN9 0.9
C16 BIN2 0.5
C16
B16 BIN3 1.5 R2514
B16
FOIL SIDE
A16
A16 BIN4 0.3 (RIGHT)
C15
C15 BIN5 0.4
WF110
B15 BIN6 0.4
B15
A15 BIN7 0.8 R2524
A15
FOIL SIDE
C14 BIN8 0.7 (RIGHT) C14
B14
B14 BIN9 0.8
Y7 ROUT0 1.1
Y7
W6 ROUT1 0.6 R2564
W6
FOIL SIDE
Y6 ROUT2 0.7 (LEFT) Y6
W5
W5 ROUT3 1.4
Y5 ROUT4 1.4
Y5
WF114
W4 ROUT5 1.0 R2562
W4
FOIL SIDE
Y4 ROUT6 0.6 (LEFT) Y4
Y3
Y3 ROUT7 0.6
Y2 ROUT8 1.1 R2560 (UPPER) FOIL SIDE
Y1 ROUT9 1.0 R2558 (UPPER) FOIL SIDE
Y20 GOUT0 0.5
W19 GOUT1 0.5 R2565
WF115 FOIL SIDE
W19 W18
Y19 GOUT2 1.3 (LOWER)
Y20 Y19
W18 GOUT3 0.8
Pin Name Voltage Check Point WF No. Remarks
Y18 GOUT4 1.0
W17 GOUT5 1.1 R2563
FOIL SIDE
Y17 GOUT6 0.9 (LOWER) W17 W16
Y18 Y17 WF115
W16 GOUT7 0.9
Y16 GOUT8 0.6 R2561 (LOWER) FOIL SIDE
W15 GOUT9 1.0 R2559 (LOWER) FOIL SIDE
D20 BOUT0 1.3
E19 BOUT1 0.5 R2537
FOIL SIDE
E20 BOUT2 1.1 (LOWER) E19 F19
D20 E20
F19 BOUT3 1.4
F20 BOUT4 0.6
WF116
G19 BOUT5 0.5 R2536
FOIL SIDE
(LOWER) G19 H19
G20 BOUT6 1.1
F20 G20
H19 BOUT7 1.0
H20 BOUT8 0.6 R2535 (LOWER) FOIL SIDE
J18 BOUT9 1.2 R2534 (LOWER) FOIL SIDE
B18 SDATA 3.4 R2357 (UPPER) WF124 FOIL SIDE
B19 SCS 3.2 R2407 (LOWER) COMPONENT SIDE
B20 SCLK 3.4 R2354 (UPPER) WF125 FOIL SIDE
C19 RESET 3.4 R2529 (RIGHT) FOIL SIDE
D2 VSYNC 3.4 R2516 (LOWER) WF112 FOIL SIDE
E2 HSYNC 3.1 R2523 (LOWER) WF111 FOIL SIDE
E1 DCLK 1.5 R2515 (LOWER) WF113 FOIL SIDE
D7
D8
D9
VDD1 1.9 Pin 1 of IC2501 COMPONENT SIDE
etc.
C5
D18
COMPONENT SIDE
G16 L2510 (LEFT)
VDD2 3.5
etc.
159
IC2503 DETAIL BLOCK DIAGRAM
1
2
3
4 GND
5 GND
6 LAMP ON(H)/OFF(L)
7
8 GND
9
10
11
12
13 VCC GND
14 GND
LVDS TO TTL
PARALLEL
15 CONVERTER
16
17
18
19
20
21 GND GND
PLL
22 GND
23 VCC
24 GND
25 POWER DOWN(L)
26
27 V-SYNC
28 GND H-SYNC
PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K
VCC 56
55
54
53
52
51
50
49
VCC 48
47
46
45
44
43
42
41
VCC 40
39
38
37
36
35
34
33
32
VCC 31
30
29
CHECKING POINT OF IC2505
IC2503 DETAIL BLOCK DIAGRAM
PT-44LCX65-K/PT-52LCX65-K/PT-61LCX65-K