Sony HCD-GT111 Service Manual page 61

MAIN BOARD IC401 R5F3640DDFA (SYSTEM CONTROLLER)
Pin No. Pin Name
METER-IN3,
1, 2
METER-IN4
3 SW LED
4 SIRCS
5 CDM-SD
6, 7 M2-, M2+
8 BYTE
9 CN Vss
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 M1-
19 SBSY
20 AC-CUT
21 M1+
22, 23 SW3, SW1
24 SW-CHUCK
25 SW2
26 SW-CLOSE
27 SW-STOCK
28 SW-OPEN
29 IIC-CLK
30 IIC-DATA
31 MC TXD
32 MC RXD
33 USB RESET
34 USB CTS0
35 USB TXD0
36 USB RXD0
37 USB SEL-SW
38 USB RTS0
39 AD SUPPLY SW
40 MP3 IREQ
41 to 44 CD BUS0 to CD BUS3
45 CD BUCK
46 CD CCE
47 CD-MMUTE
48 CD-XRST
49 TC_+9V SW
50 PROTECT
51 STK MUTE
52 SW SPK RELAY
53 FR SPK RELAY
54 STBY RELAY
55 EEP-DATA
56 EEP-SCL
57 DMPORT DET
58 LINE MUTE
59 R2A15216FP-CLK
60 R2A15216FP-DATA
I/O
O Meter motor drive signal output to the motor drive (GT222/GT444/GT555)
O LED drive signal output terminal for SUBWOOFER indicator (GT222/GT444/GT555)
I SIRCS signal input from the remote control receiver
I CD mechanism deck protector detection signal input signal
O Disc change and mode change motor drive signal output terminal
I External data bus width selection signal input terminal
I Processor mode switch input terminal (for test)
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 switch
I
after the power supply rises, "L" is input, then it changes to "H"
O Main system clock output terminal (5 MHz)
- Ground terminal
I Main system clock input terminal (5 MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt signal input terminal
O Tray/drawer transportation motor drive signal output terminal
I Subcode block sync signal input from the CD-MP3 processor
I AC cut on/off detection signal input terminal
O Tray/drawer transportation motor drive signal output terminal
I Disc change and mode change detection signal input from CD mechanism deck
I Tray chuck position detection signal from CD mechanism deck
I Disc change and mode change detection signal input from CD mechanism deck
I Drawer close position detection signal input from CD mechanism deck
I Tray stock position detection signal from CD mechanism deck
I Drawer open position detection signal input from CD mechanism deck
I/O Serial data transfer clock signal output terminal
I/O Serial data output terminal
O Serial data output terminal
I Serial data input terminal
O Reset signal output to the USB controller
I Clear to send signal input from USB controller
O Serial data output to the USB controller
I Serial data input from the USB controller
O Bus selection signal output terminal
O Ready to send signal to USB controller
O Power on/off control signal output terminal for the jog dail
I Request signal input from the CD-MP3 processor
I/O Serial data output to the CD-MP3 processor
O Serial data transfer clock signal output to the CD-MP3 processor
O Chip enable signal output to the CD-MP3 processor
O Muting signal output to the coil/motor driver
O Reset signal output to the CD-MP3 processor
O Power on/off control signal output terminal for the tape section
I Speaker protect detection signal input from speaker protect circuit
O Power amplifi er on/off control signal output terminal
O Relay drive signal output terminal for the subwoofer
O Relay drive signal output terminal for the front speakers
O Main power on/off control signal output terminal
I/O Two-way IIC data bus with the EEPROM
I/O Two-way IIC clock bus with the EEPROM
I DMPORT adaptor connection detection input terminal
O Line muting on/off control signal output terminal
O Serial data transfer clock signal output to the electrical volume
O Serial data output to the electrical volume
HCD-GT111/GT222/GT444/GT555
Description
"L": reset For several hundreds msec.
Not used
"L": AC cut on
Not used
Not used
Not used
Not used
"H": amplifi er on
"H":relay on (GT444/GT555)
"H":relay on
"H":power on
Not used
"L":muting on
"H": protector on
"H":protector on
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