Sony HCD-GNX700 Service Manual page 59

• IC401 M30622MEP-A51FPUO SYSTEM CONTROL (MAIN BOARD)
Pin No. Pin Name
1 XRST
2 CD-DATA
3 XLAT
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 CD-CLK
19 SCOR
20 AC-CUT
21 SENS
22 MP3 RST
23 MP3 CS
24 MP3 LP
25 MP3 ACK
26 MP3 REQ
27 MP3 STB
28 XTCN
29 IIC-CLK
30 IIC-DATA
31 VMUTE
32 CD POWER
33 CDG DET
34 EFFECTOR-SELECT
35 CDG RST
36 EFFECTOR-S0
37 CD MUTE
38 OPEN SW
39 TBL-SENS
40 E-3
41 E-2
42 E-1
43 TM-F
44 TM-R
45 LMF
46 LMR
47 NO USE
48 A-HALF
49 EFFECTOR-S1
I/O
O Reset signal output to CXD3059AR ("L": reset)
O Serial data output to CXD3059AR
O Serial data latch signal output to CXD3059AR
I Remote control signal input
O Serial data output to TC94A34FG
I Serial data input from TC94A34FG
O Serial data transfer clock output to TC94A34FG
I Not used (Connected to ground)
– Ground at test (Pull down)
I Sub system clock input (32.768KHz)
O Sub system clock output (32.768KHz)
I System reset signal input
O Main system clock output (5MHz)
– Ground terminal
I Main system clock input (5MHz)
– Power supply terminal (+3.3V)
I Non-maskable interrupt input (Not used) (Pull up with resistor)
O Serial data transfer clock output to CXD3059AR
I Sub code sync (S0+S1) detection signal input from CXD3059AR
I AC off detection signal input ("L": AC cut detected)
I Internal status detection monitor input from CXD3059AR
O Reset signal output to TC94A34FG
O Chip select signal output to TC94A34FG ("L": enable)
O Latch pulse output to TC94A34FG ("L": enable)
I Acknowledgement signal input from TC94A34FG ("L": acknowledged)
I Request signal input to TC94A34FG
O Standby mode signal output to TC94A34FG ("L": standby mode)
O Oscillation on/off control signal output to CXD3059AR ("H": on)
I/O IIC bus serial clock input/output
I/O IIC bus serial data input/output
O CDG video signal muting on/off control signal output ("H": muting on)
O Power on/off control signal output ("H": power on)
I CDG disc detection signal input ("H": CDG disc detected)
O Effector circuitry bypass control signal output ("L": bypass)
O Reset signal output to the CDG decoder ("L": reset) (Not used) (Open)
O Effector circuitry delay time selection bit 0 output
O CD analog signal muting on/off control signal output "H": muting on)
I Eject detection signal input from CD mechanism deck
I Disc tray position detection signal input from CD mechanism deck
I Disc tray status detection signal input from CD mechanism deck
I Disc tray status detection signal input from CD mechanism deck
I Disc tray status detection signal input from CD mechanism deck
O Table motor control signal output
O Table motor control signal output
O Table loading motor control signal output
O Table loading motor control signal output
I Not used
I Deck A cassette detection signal input ("H": Cassette detected)
O Effector circuitry delay time selection bit 1 output
HCD-GNX700/GNX800
Description
59