Sony hcd-gn1000d Service Manual page 70

HCD-GN1000D
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IC401 M30620MCP-A17FPU0 (SYSTEM CONTROL) (MAIN BOARD)
Pin No. Pin Name
1 TUNED
2 ST-DOUT
3 ST-CLK
4 SIRCS
5 ST-DIN
6 ST-CE
7 STBY-RELAY
8 GND
9 GND
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 EFFECTOR - SELEC
19 EFFECTOR - S0
20 AC-CUT
21 MIC STATUS
TE
L 13942296513
22 KRMOD
23 MTK-BUSY
24 MTK-XIFCS
25 MTK-RESET
26 EJECTSW
27 TSENS
28 E3
29 IIC-CLK
30 IIC-DATA
31 MTK-SIO
32 MTK-SOD
33 MTK-CLK
34 E2
35 E1
36 TBL-POS
37 TBL-NEG
38 LOG-POS
39 LOG-NEG
40 GC-RESET
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41 STBY-LED
42 FAN-CONTROL
43 EFFECTOR - S1
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44 EFFECTOR - S2
45 EFFECTOR - S3
46 ANALOG-IN-MUTE
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I/O
I Tuning detection signal input from the TUNER unit ( "L": tuned)
O PLL serial data output to the TUNER unit
O PLL serial data transfer clock signal output to the TUNER unit
I Remote control signal input
I PLL serial data input from the TUNER unit
O PLL chip enable signal output to the TUNER unit
O Main power on/off control signal output ( "H": power on)
- Ground terminal
- Ground terminal
I Sub system clock input (32.768kHz)
O Sub system clock output (32.768kHz)
I System reset signal input from the reset signal IC ("L": reset) After the power supply
rises, "L" is input for several hundreds msec and then change to "H".
O Main system clock output (16MHz)
- Ground terminal
I Main system clock input (16MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt input
O Effector circuity bypass control signal output ("L":bypass)
O Effector circuitry delay time selection bit 0 output
I AC off detection signal input from the reset signal IC ("L": AC cut detected)
O Mic status output to DVD motherboard
I Karaoke mode detection input
O Communication initialization request signal to DVD motherboard
I Communication initialization request acknowledgement signal from DVD motherboard
O Reset signal output to DVD motherboard ("L": reset)
I Eject detection signal input from CDM
I Disc tray position detection signal input from CDM
I Disc tray status detection signal input from CDM
I/O Clock signal for IIC communcation between master control controller and display
control controller
I/O Data signal for IIC communcation between master control controller and display control
controller
O Serial data output signal to DVD motherboard
I Serial data input signal from DVD motherboard
I Serial data clock signal to DVD motherboard
I Disc tray status detection signal input from CDM
I Disc tray status detection signal input from CDM
O CDM turning motor control signal output
O CDM turning motor control signal output
O CDM loading motor control signal output
O CDM loading motor control signal output
O Reset signal output to display control IC ("L": reset)
O LED drive signal output of POWER indicator ("H": green color "L": red color)
O Fan driving signal output ("L": fan on)
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O Effector circuitry delay time selection bit 1 output
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O Effector circuitry delay time selection bit 2 output
O Effector circuitry delay time selection bit 3 output
O DVD Motherboard analog input signal muting on/off control signal output ("H": muting on)
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Desciption
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