Read Sony DHC-FLX9W / HCD-FLX9W Service Manual online
123
HCD-FLX9W
GC BOARD IC202 PT8300R-TP (FRONT PANEL CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
RESET_B
I
Reset signal input from the system controller
3
CLK
I
Serial data transfer clock signal input from the fuluorescent indicator driver
4
LATCH
I
Serial data latch pulse input from the fuluorescent indicator driver
5
TC SW
I
Key input terminal (A/D input)
6
CD SW 3
I
Key input terminal (A/D input)
7
CD SW 2
I
Key input terminal (A/D input)
8
CD SW 1
I
Key input terminal (A/D input)
9
H.P
I
Headphone detection signal input
10 to 12
NC
O
Not used
13
LATCHO
O
Serial data latch pulse output terminal
14
CLKO
O
Serial data transfer clock signal output terminal
15
DO1
O
Serial data output terminal Not used
16
DI2
I
Serial data input terminal Not used
17
TC A SW
O
TC holder open plunger drive signal output (DECK A)
18
TC B SW
O
TC holder open plunger drive signal output (DECK B)
19 to 23
LED5 to LED1
O
LED drive signal output terminal
24
LED SELECT
O
LED drive signal output terminal
25
DO2
O
Serial data output to the fuluorescent indicator driver
26
DO1
I
Serial data input from the fuluorescent indicator driver
27
PULLDO
—
Not used
28
VCC
—
Power supply terminal (+3.3V)
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