Sony HCD-GNV99D Service Manual page 70

HCD-GNV99D/GNV111D
IC401 M30620MCP-A03FPU0 (SYSTEM CONTROL) (MAIN BOARD)
Pin No. Pin Name
1 TUNED
2 MC-DOUT(ST)
3 ST-CLK
4 SIRCS
5 MC-DIN(ST)
6 ST-CE
7 STBY-RELAY
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 KRMOD
19 VOICE
20 AC-CUT
21 MIC SW
22 MREQ
23 IFBSY
24 XIFCS
25 SYSRST
26 OPEN SW
27 TBL SENS
28 E3
29 IIC-CLK
30 IIC-DATA
31 SIO
32 SOO
33 SCO
34 E2
35 E1
36 TB-F
37 TM-R
38 LM-F
39 LM-R
40 GC-RESET
41 STBY LED
42 FAN CTRL
43 NO USE
44 NO USE
45 NO USE
46 A PLAY
47 A-HALF
48 A-TRIG
49 B-TRIG
70
I/O
I Tuner tuning detection signal input
O Tuner tuning PLL serial data output
O Tuner tuning PLL serial data transfer clock signal output
I Remote control signal input
I Tuner tuning PLL serial data input
O Tuner tuning PLL chip enable signal output
O Main power on/off control signal output
– Not used (connected ground)
– Ground
I Sub system clock input terminal (32.768kHz)
O Sub system clock output terminal (32.768kHz)
I System reset signal input
O Main system clock output terminal (16MHz)
– Ground
I Main system clock input terminal (16MHz)
– Power supply (+3.3V)
I Non-maskable interrupt input (Not used)
I KRMOD signal input from CXD9804R
I Not used (Open)
I AC off detection signal input from ICBD4828G
O Mic status output to CXD9804R
I Muting request signal input from CXD9804R
O IFBSY signal to CXD9804R
I XIFCS signal from CXD9804R
O System reset signal output to CXD9804R
I Eject detection signal input
I Disc tray position detection signal input
I Disc tray status detection signal input
I/O IIC serial clock signal input/output
I/O IIC serial data signal input/output
O Serial data output to CXD9804R
I Serial data input from CXD9804R
I Serial clock input from DVD Motherboard
I Disc tray status detection signal input
I Disc tray status detection signal input
O Disc tray turning motor control signal output
O Disc tray turning motor control signal output
O Disc tray loading motor control signal output
O Disc tray loading motor control signal output
O Reset signal output to MB90M407PF
O LED drive signal output
O Fan driving signal output
I Not used (connected ground)
I Not used (connected ground)
I Not used (connected ground)
I Deck A playback detection signal input
I Deck A cassette detection signal input
O Deck A side trigger plunger drive signal output
O Deck B side trigger plunger drive signal output
Description