Sony HCD-ZUX9 Service Manual - Page 83

IC325, BH2210FV-E2 I/O EXPAND MAIN BOARD 2/4, Pin No., Pin Name, Pin Description

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HCD-ZUX9 IC325 BH2210FV-E2 (I/O EXPAND) (MAIN BOARD (2/4)) Pin No. Pin Name I/O Pin Description 1 CTLIO I I/O mode select signal input 2 RESET I Reset signal input 3 CLK - Serial data clock signal input 4 LATCH - Serial data latch signal input 5 NO-USE O Not used 6 NO-USE O Not used 7 A-TRIG O Deck A side trigger plunger drive signal output "H": plunger on 8 CAPM-CNT O Capstan motor drive signal output 9 B-TRIG O Deck B side trigger plunger drive signal output "H": plunger on 10 REC-BIAS O Recording bias on/off control signal output "H": bias on 11 TC-RELAY O Not used 12 NO-USE O Not used 13 LATCHO O Serial data latch signal output 14 CLKO O Serial data clock signal output 15 DO1 O Serial data signal 1 output 16 DI2 I Serial data signal 2 input 17 NO-USE O Not used 18 NO-USE O Not used 19 REC-MUTE O Recording muting on/off control signal output "L": muting on 20 TC-MUTE O Tape playback muting on/off control signal output "L": muting on 21 NO-USE O Not used 22 NO-USE O Not used 23 NO-USE O Not used 24 NO-USE O Not used 25 DO2 O Serial data signal 2 output 26 D11 I Serial data signal 1 input 27 VSS - Ground 28 VDD - Power supply (+3.3V) 83

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83
HCD-ZUX9
IC325
BH2210FV-E2 (I/O EXPAND) (MAIN BOARD (2/4))
Pin No.
Pin Name
I/O
Pin Description
1
CTLIO
I
I/O mode select signal input
2
RESET
I
Reset signal input
3
CLK
—
Serial data clock signal input
4
LATCH
—
Serial data latch signal input
5
NO-USE
O
Not used
6
NO-USE
O
Not used
7
A-TRIG
O
Deck A side trigger plunger drive signal output
“H”: plunger on
8
CAPM-CNT
O
Capstan motor drive signal output
9
B-TRIG
O
Deck B side trigger plunger drive signal output
“H”: plunger on
10
REC-BIAS
O
Recording bias on/off control signal output
“H”: bias on
11
TC-RELAY
O
Not used
12
NO-USE
O
Not used
13
LATCHO
O
Serial data latch signal output
14
CLKO
O
Serial data clock signal output
15
DO1
O
Serial data signal 1 output
16
DI2
I
Serial data signal 2 input
17
NO-USE
O
Not used
18
NO-USE
O
Not used
19
REC-MUTE
O
Recording muting on/off control signal output
“L”: muting on
20
TC-MUTE
O
Tape playback muting on/off control signal output
“L”: muting on
21
NO-USE
O
Not used
22
NO-USE
O
Not used
23
NO-USE
O
Not used
24
NO-USE
O
Not used
25
DO2
O
Serial data signal 2 output
26
D11
I
Serial data signal 1 input
27
VSS
—
Ground
28
VDD
—
Power supply
(+3.3V)