Panasonic TH-50PX20U-P Service Manual page 136

TH-50PX20U-P
14.72. SU-Board Block Diagram
SU
Scan Out (up) Board
TO SC41
SU51
Vf A1 A21 Vf
FSI A2 A22 FSI
FCL A3 A23 FCL
FCLK A4 FCLK
A24
PRO A5 A25 PRO
A6 A26
VF5V VF5V
A7 A27
A8 A28
Vf Vf
A20 A40
TO SC42 SU52
B1 B21
Vf Vf
B10 B30
B11 B31
VSCN VSCN
B12 B32
B13 B33
Vfo Vfo
B20 B40
TO SC45 SU45
2 FSI
4 FCL
6
FCLK
8 PRO
9
5V
10
1
3
5
7 Vf
TH-50PX20U-P SU-BOARD Block Diagram
Vf
30 31 32 44 45 46 81 82 83 84 87 92 93 94 95
IC6401
PDP SCAN DRIVER
HV64 76
FSI
HV63 75
85
HV62 74
FCLK
86
FCL 64 PIN
89
OUTPUT
PRO
90
HV03 1
FS01
HV02 100
91
HV01 99
Vf5
88
34 35 41 42 78 79 97 98
Vfo
Vf
30 31 32 44 45 46 81 82 83 84 87 92 93 94 95
IC6402
PDP SCAN DRIVER
HV64 76
FSO1
HV63 75
85
HV62 74
FCLK
86
64 PIN
FCL
89
OUTPUT
PRO
90
HV03 1
FSO2
HV02 100
91
HV01 99
Vf5
88
34 35 41 42 78 79 97 98
Vfo
Vf
30 31 32 44 45 46 81 82 83 84 87 92 93 94 95
IC6403
PDP SCAN DRIVER
HV64 76
FSO2
HV63 75
85
HV62 74
FCLK
86
FCL 64 PIN
89
OUTPUT
PRO
90
HV03 1
FSO3
HV02 100
91
HV01 99
Vf5
88
34 35 41 42 78 79 97 98
Vfo
IC6404
PDP SCAN DRIVER
SU1
FSO3
A48 B48
A47 B47
FCLK
FCL
PRO
FSO4
To 1st 96pins of
A17 B17
SCAN ELECTRODES
Vf5
A16 B16
A2 B2
A1 B1
IC6405
PDP SCAN DRIVER
FSO4
FCLK
FCL
PRO
FSO5
Vf5
SU2
A48 B48
A47 B47
IC6406
To 2nd 96pins of
PDP SCAN DRIVER
A33 B33
SCAN ELECTRODES
A32 B32
FSO5
FCLK
FCL
PRO
A2 B2
A1 B1
Vf5
136
Vf
30 31 32 44 45 46 81 82 83 84 87 92 93 94 95
SU3
HV64 76
A48 B48
HV63 75
85
HV62 74 A47 B47
86
64 PIN
89
OUTPUT
90
HV03 1
HV02 100
91
To 3rd 96pins of
HV01 99
A17 B17
SCAN ELECTRODES
88 A16 B16
34 35 41 42 78 79 97 98
Vfo
A2 B2
A1 B1
Vf
30 31 32 44 45 46 81 82 83 84 87 92 93 94 95
HV64 76
HV63 75
85
HV62 74
86
64 PIN
89
OUTPUT
90
HV03 1
HV02 100
91
HV01 99
88
34 35 41 42 78 79 97 98
Vfo
SU4
A48 B48
A47 B47
Vf
30 31 32 44 45 46 81 82 83 84 87 92 93 94 95
To 4th 96pins of
A33 B33
SCAN ELECTRODES
HV64 76 A32 B32
HV63 75
85
HV62 74
86
64 PIN
89
OUTPUT
90
HV03 1
A2 B2
HV02 100
91
A1 B1
HV01 99
88
34 35 41 42 78 79 97 98
Vfo
TH-50PX20U-P SU-BOARD Block Diagram