Read Sony HCD-GN88D / MHC-GN88D Service Manual online
76
HCD-GN88D
Description
Pin Name
Pin No.
I/O
1
STEREO
I
Stereo signal input from tuner
–––––––––––––––––
2
TUNED
I
Tuned signal input from tuner
3
ST-CE
O
Tuner chip enable signal output
4
SIRCS
I
SIRCS input
5
ST-DOUT
O
Tuner data output
6
ST-DIN
I
Tuner data input
7
ST-CLK
O
Tuner clock signal output
8
BYTE
—
Not used (connected to ground)
9
CNVSS
—
Not used (Connected to ground with resistor)
10
XC-IN
I
Sub clock input (32.768KHz)
11
XC-OUT
O
Sub clock output (32.768KHz)
12
RESET
I
System reset input
13
X-OUT
O
Main system clock output (16MHz)
14
VSS
—
Ground
15
X-IN
I
Main system clock input (16MHz)
16
VCC
—
Power supply (+3.3V)
17
NMI
I
Not used (Pull up with resistor)
18
SOFT-TEST
O
Not used (open)
19
NO USE
—
Not used (open)
20
AC-CUT
I
AC cut check signal input
21
E-1
I
DVD/CD turn table encoder signal input
22
E-2
I
DVD/CD turn table encorder signal input
23
DVD-POWER (SYSPWR)
O
DVD power ON signal
24
NO USE
—
Not used (open)
25
DVD-MUTE (SYSPWR)
O
DVD mute signal output
26
NO USE
—
Not used (open)
27
STBY-RELAY
O
Standby relay driver signal output
28
NO USE
I
Not used (Connected to ground)
29
IIC-CLK
I
IIC serial clock input
30
IIC-DATA
I
IIC serial data input
31
TXD1
O
Test TX data signal output (Not used)
32
VMUTE2
O
Video mute 2 signal output
33
VMUTE
O
Video mute signal output
34
M-REQ
I
M request signal input
35
NO USE
O
Not used (open)
36
NO USE
O
Not used (open)
37
NO USE
I
Not used (Connected to ground)
38
NO USE
I
Not used (Connected to ground)
39
CLOCK-OUT
O
Not used (open)
40
SYS-RESET
O
DVD system reset signal
41
TBL-SENS
I
Table sensor signal input
42
OPEN SW
I
CDM eject switch signal input
43
E-3
I
DVD/CD turn table encoder signal input
44
TM-F
O
DVD/CD turn table motor-F signal output
45
MT-R
O
DVD/CD turn table motor-R signal output
46
LMF
O
LD motor-F signal output
47
LMR
O
LD motor-R signal output
48
STBY-LED
O
Standby LED driver signal output
49
GC-RESET
O
Display control system reset signal output
50
HP DETECT
I
Headphone detect input
• IC501 M30620MCN-A27FP (SYSTEM CONTOL) (MAIN Board)
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