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Vf

SD 32 33 43 44 79 80 96 97
Scan Out (Down) Board
IC6955
PDP SCAN DRIVER
SD1
TO SC46 SD46 HV64 76
FSI A40 B40




SHIFT RESISTOR
2 85
FSI




SELECTOR
A39 B39
FCLK HV33 46
4 86




LATCH
FCL
FCL HV32 30 64 PIN
6 89
FCLK OUTPUT
PRO
7 90
PRO HV03 1
FS01
9 91 HV02 100
VF5V To 1st 80pins of
HV01 99
VF5V 10
Vf5 SCAN ELECTRODES
88 A9 B9

A8 B8


32 33 43 44 80 79 96 97

TO SC42 SD42
Vfo
FSI B39 B79
FSI
A2 B2
B38 B78
FCL FCL A1 B1
Vf
FCLK B37 B77
FCLK
32 33 43 44 79 80 96 97
PRO B36 B76
PRO

B35 B75 IC6956
VF5V VF5V
B34 B74 PDP SCAN DRIVER

B33 B73 HV64 76
Vf Vf FS01




SHIFT RESISTOR
85




SELECTOR
FCLK HV33 46
86




LATCH
B11 B51

B10 B50 FCL HV32 30 64 PIN
89
VSCN VSCN OUTPUT
B9 B49
PRO
90
B8 B48
HV03 1
SD2
FS02
Vfo Vfo 91 HV02 100
A40 B40
HV01 99
B1 B41 A39 B39
Vf5
88




32 33 43 44 80 79 96 97



To 2nd 80pins of
Vfo A17 B17
SCAN ELECTRODES
A16 B16

Vf


32 33 43 44 79 80 96 97


IC6957
PDP SCAN DRIVER A2 B2

HV64 76 A1 B1
FS02
SHIFT RESISTOR




85
SELECTOR




FCLK HV33 46
86
LATCH




FCL HV32 30 64 PIN
89
OUTPUT
PRO
90
HV03 1
FS03
91 HV02 100


HV01 99

Vf5 SD3
88
A40 B40

A39 B39


32 33 43 44 80 79 96 97



Vfo


To 3rd 80pins of
Vf A25 B25
SCAN ELECTRODES
A24 B24

32 33 43 44 79 80 96 97


IC6958
PDP SCAN DRIVER

HV64 77
FS03 HV63 76
SHIFT RESISTOR




85 A2 B2
SELECTOR




HV62 75
FCLK A1 B1
LATCH




86

FCL 48 PIN
89
OUTPUT
PRO
90

HV18 16

HV17 15

Vf5
88




TH-37/42PW7 series 32 33 43 44 80 79 96 97
TH-37/42PW7 series
TH-37/42PWD7 series TH-37/42PWD7 series
Vfo
SD-Board Block Diagram SD-Board Block Diagram