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Sony HCD-GT444 Service Manual page 61

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MAIN BOARD IC401 R5F3640MDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
METER-IN3,
1, 2
METER-IN4
3
4
5
6, 7
M2-, M2+
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22, 23
SW3, SW1
24
SW-CHUCK
25
26
SW-CLOSE
TE
L 13942296513
27
SW-STOCK
28
SW-OPEN
29
30
31
32
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
47
CD-MMUTE
48
CD-XRST
49
TC_+9V SW
50
PROTECT
51
STK MUTE
52
SW SPK RELAY
53
FR SPK RELAY
www
54
STBY RELAY
55
EEP-DATA
56
EEP-SCL
.
57
DMPORT DET
58
LINE MUTE
59
R2A15216FP-CLK
60
R2A15216FP-DATA
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I/O
O
Meter motor drive signal output to the motor drive (GT222/GT444/GT555)
SW LED
O
LED drive signal output terminal for SUBWOOFER indicator (GT222/GT444/GT555)
SIRCS
I
SIRCS signal input from the remote control receiver
CDM-SD
I
CD mechanism deck protector detection signal input signal
O
Disc change and mode change motor drive signal output terminal
BYTE
I
External data bus width selection signal input terminal
CN Vss
I
Processor mode switch input terminal (for test)
XC-IN
I
Sub system clock input terminal (32.768 kHz)
XC-OUT
O
Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset switch
RESET
I
after the power supply rises, "L" is input, then it changes to "H"
X-OUT
O
Main system clock output terminal (5 MHz)
VSS
-
Ground terminal
X-IN
I
Main system clock input terminal (5 MHz)
VCC
-
Power supply terminal (+3.3V)
NMI
I
Non-maskable interrupt signal input terminal
M1-
O
Tray/drawer transportation motor drive signal output terminal
SBSY
I
Subcode block sync signal input from the CD-MP3 processor
AC-CUT
I
AC cut on/off detection signal input terminal
M1+
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
SW2
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
IIC-CLK
I/O
Serial data transfer clock signal output terminal
IIC-DATA
I/O
Serial data output terminal
MC TXD
O
Serial data output terminal
MC RXD
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
CD CCE
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
x
ao
y
I/O
Two-way IIC clock bus with the EEPROM
i
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
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HCD-GT111/GT222/GT444/GT555
8
Q Q
3
6 7
1 3
Not used
Not used
Not used
u163
.
2 9
9 4
2 8
Description
"H": protector on
"L": reset For several hundreds msec.
Not used
"L": AC cut on
1 5
0 5
8
2 9
9 4
Not used
"H":protector on
"H": amplifi er on
"H":relay on (GT444/GT555)
"H":relay on
m
"H":power on
co
Not used
"L":muting on
9 9
2 8
9 9
61
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