Pioneer PDP-503PE Service Manual page 91

PDP-503PE, PDP-503PU
•
Block Diagram
DB
GND
Selector
VDD
•
Pin Function
Name Pin No.
CLK 39
DA 44
DB 37
LE 40
A/B 36
CLR 45
OC1 42
OC2 43
HVO 1-30, 51-82, 99, 100
VDD 41
34, 35, 38, 46, 47,
GND
87-89, 91-94
VH1 84, 85, 49, 50
VH2 31, 32, 96, 97
33, 48, 95, 83, 86,
NC
90, 98
90
A/B CLR
64 bit Shift Register
64 bit Latch
GND HVO33 - 64 VH2
I/O Num.
I 1 Shift clock (start edge partial response)
I/O 1 The serial data input of shifting register
I/O 1 The serial data output of shifting register
I 1 It output data done a latch of by "L" level
I 1 A shift directional control signal of shift register
I 1 It do data of shift register with "L" by "L" level
I 1 An output control terminal of HVO
I 1 An output control terminal of HVO
O 64 High voltage drive output (HVO1 - HVO64)
−
1 Logic power supply
−
12 Standard potential. This is common to HVO1 - HVO64.
−
4 The high potential circuit power supply which is common to HVO1 - HVO32
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4 The high potential circuit power supply which is common to HVO33 - HVO64
−
7 It is the insulation electrically
DA CLK LE
Selector
GND HVO1 - 32 VH1
Function
OC1
OC2