Sony HCD-FL7D Service Manual page 123

• GC BOARD IC202 PT8300 (FRONT PANEL CONTROLLER)
Pin No. Pin Name
1 VSS
2
RESET_B
3
CLK
4 LATCH
5
TC SW
6
CD SW 3
7
CD SW 2
8 CD SW 1
9
H.P
10 to 12
NC
13
LATCHO
14
CLKO
15
DO1
16 DI2
17
TC A SW
18
TC B SW
19 to 23
LED5 to LED1
24 LED SELECT
25
DO2
26
DO1
27
PULLDO
28 VCC
I/O
—
Ground terminal
I Reset signal input from the system controller
I Serial data transfer clock signal input from the fuluorescent indicator driver
I Serial data latch pulse input from the fuluorescent indicator driver
I Key input terminal (A/D input)
I Key input terminal (A/D input)
I Key input terminal (A/D input)
I Key input terminal (A/D input)
I Headphone detection signal input
O Not used
O Serial data latch pulse output terminal
O Serial data transfer clock signal output terminal
O Serial data output terminal Not used
I Serial data input terminal Not used
O TC holder open plunger drive signal output (DECK A)
O TC holder open plunger drive signal output (DECK B)
O LED drive signal output terminal
O LED drive signal output terminal
O Serial data output to the fuluorescent indicator driver
I Serial data input from the fuluorescent indicator driver
— Not used
— Power supply terminal (+3.3V)
Description
HCD-FL7D
123