Sony HCD-GN700 Service Manual page 51

• IC501 M30622MGN-B14FP SYSTEM CONTOL (MAIN Board)
Pin No. Pin Name
1 MP3 CS
2 MP3 LP
3 MP3 ACK
4 SIRCS
5 MP3 DATA OUT
6 MP3 DATA IN
7 MP3 CLK
8 BYTE
9 CNVSS
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 MP3 REQ
19 SCOR
20 AC-CUT
21 E-1
22 E-2
23 CD-POWER
24 BU-PWM3
25 CD-A-MUTE
26 BU-PWM2
27 STBY-RELEY
28 BU-PWM1
29 IIC-CLK
30 IIC-DATA
31 TXD1
32 SQ-DATA
33 SQ-CLK
34 SENS
35 CD-DATA
36 XLAT
37 CD-CLK
38 LD-ON
39 STBY-LED
40 XRST
41 TBL-SENS
42 EJECTSW
43 E-3
44 TM-F
45 TM-R
46 LMF
47 LMR
48 MP3 RESET
49 GC-RESET
50 HP DETECT
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51 REC-MUTE
52 TC-MUTE
53 PB-A/B
I/O
O MP3 chip select signal output
O MP3 latch pules output
I MP3 acknowledge signal input
I SIRCS input
O Serial data output
I Serial data input
O Serial clock output
I Not used (connected to ground)
— Not used (Connected to ground with resistor)
I Sub clock input
O Sub clock output
I System reset input
O Main system clock output (16MHz)
— Ground
I Main system clock input (16MHz)
— Power supply (+5V)
I Not used (Pull up with resistor)
I Interrupt request signal input
I Subcode sync (S0+S1) detection signal input
I AC cut check signal input
I Disc tray status detection signal input
I Disc tray status detection signal input
O CD power on/off signal output
O BU PWM 3 (for CD-RW) signal output
O CD mute signal output
O BU PWM 2 (for CD-RW) signal output
O Reley drive signal output
O BU PWM 1 (for CD-RW) signal output
I IIC serial data clock input
I IIC serial data input
— Not used
I Subcode Q data input
O Subcode Q data reading clock signal output
I SENS signal input from CXD3068Q
O CD data output
O CD latch signal output
O CD data clock output
O Laser diode control signal output
O Standby LED drive signal output
O CD reset signal output
I Table sensor signal input
I Eject switch signal input
I Disc tray status detection signal input
O Table motor control signal output
O Table motor control signal output
O Loading motor control signal output
O Loading motor control signal output
O MP3 reset signal output
O GC reset signal output
I Headphone detect input
O REC mute signal output
O TC line mute signal output
O TC A/B select signal output
HCD-GN700/GX8800
Description
51