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HCD-GPX5
– AMP Board –
IC602 RT8H015C-T112-1
6
5
4
OVER LOAD
DC
DETECT
DETECT
1
2
3
– PANEL (1) Board –
IC801 µPD16315GB-3BS
LED1
1
LED2
2
3
LED3
LED4
4
OSC
5
OSC
DOUT
6
DIN
7
SERIAL
INTERFACE
CLK
8
STB
9
KEY1
10
KEY2
11
44
44
43
4-BIT LATCH
12-BIT SHIFT
REGISTER
KEY DATA MEMORY
(2 x 16 BITS)
TIMING GENERATOR
KEY SCAN
DISPLAY MEMORY
24-BIT OUTPUT
24 BITS x 12 WORDS
LATCH
COMMAND
DIMMING
DECODER
CIRCUIT
12
13
42
41
40
39
38
37
36
12
4
GRID
DRIVER
8
8
DATA
MULTIPLEXED
SELECTOR
DRIVER
8
24
16
SEGMENT
DRIVER
14
15
16
17
18
19
20
35
34
4
33 SEG19/GRID10
32 SEG18/GRID11
31 SEG17/GRID12
8
30 VEE
29 SEG16/KS16
28 SEG15/KS15
27 SEG14/KS14
16
26 SEG13/KS13
25 SEG12/KS12
24 SEG11/KS11
23 SEG10/KS10
21
22
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