Sony HCD-MG110 Service Manual page 49

• MAIN BOARD IC801 M30622MGA-A42FP (SYSTEM CONTROLLER) • MAIN BOARD IC801 M30622MGA-A68FP (SYSTEM CONTROLLER)
Pin No. Pin Name
1 NC
2 LOAD POS
3 LOAD NEG
4 RMC
5 TABLE POS
6 LOAD IN SW
7 LOAD OUT SW
8 —
9 CNVSS
10 SUBXIN
11 SUBXOUT
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NC
18 T-SENS2
19
SCOR
20 KB-SCL
21 C-MUTE
22 PWM1
23 R-MUTE
24 PWM2
25 PL-RQ
26 PWM3
27 PL-DATA
28 PL-CLK
29 IIC CLK
30 IIC DATA
31 NC
32 C-SQSO
33 C-SQCK
34 FRONT
35 REAR
36 KB-SDA
37 KB-CTRL
38 S/W MUTE
39 NC
40 R-RELAY
41 NC
I/O
—
Not used (open)
O
Loading motor drive signal (load-out direction) output the motor driver (IC881)
O
Loading motor drive signal (load-in direction) output the motor driver (IC881)
I
Remote control signal input from the remote control receiver (IC702)
O
Table motor drive signal (counterclockwise) output to the motor driver (IC881)
I
Load in/out detect switch (S842) input "L": load in
I
Load in/out detect switch (S842) input "L": load out
—
Not used (fixed at "L")
—
Not used
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator (IC802) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Main system clock output terminal (16 MHz)
—
Ground terminal
I
Main system clock input terminal (16 MHz)
— Power supply terminal (+5V)
—
Not used (fixed at "H")
I
Table position sensor (IC13) input terminal
I
Subcode sync (S0+S1) detection signal input from the CXD3017Q (IC101)
O Serial data transfer clock signal output to the KEYBOARD (J801)
O
Muting on/off control signal output terminal "H": muting (center speaker) (MG310AV only)
O
Focus servo drive PWM signal output to the CXA2581N (IC103)
O
Muting on/off control signal output terminal "H": muting (rear speakers) (MG310AV only)
O PWM signal output to the CXA2581N (IC103)
O
Serial data latch pulse output to the M62464FP (IC401) (MG310AV only)
O
RFDC PWM signal output to the CXA2581N (IC103)
O
Serial data output to the M62464FP (IC401) (MG310AV only)
O Serial data transfer clock signal output to the M62464FP (IC401) (MG310AV only)
Communication data reading clock signal input or transfer clock signal output with the display
I/O
controller (IC701)
I/O
Communication data bus with the display controller (IC701)
—
Not used
I
Subcode Q data input from the CXD3017Q (IC101)
O Subcode Q data reading clock signal output to the CXD3017Q (IC101)
Selection signal output of the rear speaker output signal to the BU4066BC (IC307)
O
"H": Same the front channel (MG310AV only)
Selection signal output of the rear speaker output signal to the BU4066BC (IC307)
O
"H": Rear channel (MG310AV only)
I Keyboard data input from the KEYBOARD (J801)
O Keyboard control signal output to the KEYBOARD (J801)
O Muting on/off control signal output terminal "H": muting (super woofer) (MG310AV only)
—
Not used (open)
Relay drive signal output for the surround speaker (rear and center) protection "H": on
O
(MG310AV only)
—
Not used (fixed at "L")
HCD-MG110/MG310AV
Description
Ver 1.1
49