Panasonic TH-42PX20U-P Service Manual page 329

14.72. SD-Board Block Diagram
TO SC44
VF5V
TO SC43
VSCN
TH-42PX20U-P
SD-BOARD BLOCK Diagram
SD
Scan Out (down) Board
SD52
Vf D20 D40 Vf
FSI D19 D39 FSI
D18 D38 FCL
FCL
FCLK FCLK
D17 D37
PRO PRO
D16 D36
D15 D35
VF5V
D14 D34
D13 D33
Vf
Vf
D1 D21
SD51
C20 C40
Vf Vf
C11 C31
C10 C30
VSCN
C9 C29
C8 C28
Vfo Vfo
C1 C21
Vf
30 31 32 44 45 46 81
IC6407
PDP SCAN DRIVER
FSI
85
FCLK
86
FCL
89
PRO
90
FS01
91
Vf5
88
34 35 41 42
Vfo
Vf
30 31 32 44 45 46 81
IC6408
PDP SCAN DRIVER
FSO1
85
FCLK
86
FCL
89
PRO
90
FSO2
91
Vf5
88
34 35 41 42
Vfo
Vf
30 31 32 44 45 46 81
IC6409
PDP SCAN DRIVER
FSO2
85
FCLK
86
FCL
89
PRO
90
FSO3
91
Vf5
88
34 35 41 42
Vfo
82 83 84 87 92 93 94 95
HV01 99
HV02 100
HV03 1
64 PIN
OUTPUT
HV62
74
HV63
75
HV64 76
78 79 97 98
82 83 84 87 92 93 94 95
HV01
99
HV02 100
HV03 1
64 PIN
OUTPUT
HV62
74
HV63
75
HV64
76
78 79 97 98
82 83 84 87 92 93 94 95
HV01
99
HV02 100
HV03 1
64 PIN
OUTPUT
HV62
74
HV63
75
HV64
76
78 79 97 98
SD1
A48 B48
A47 B47
To 1st 96pins of
A17 B17
SCAN ELECTRODE
A16 B16
A2 B2
A1 B1
SD2
A48 B48
A47 B47
To 2nd 96pins of
A33 B33
SCAN ELECTRODE
A32 B32
A2 B2
A1 B1
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