Sony HCD-GTZ4 Service Manual page 41

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MAIN BOARD IC401 R5F3640DDFA (SYSTEM CONTROLLER)
Pin No. Pin Name
METER-IN3,
1, 2
METER-IN4
3 SW/USB CTRL
4
5
6, 7 M2-, M2+
8
9
10
11
12
13
14
15
16
17
18
19 MTK-BUSY
20
21
22, 23 SW3, SW1
24 SW-CHUCK
25
26 SW-CLOSE
27 SW-STOCK
TE
L 13942296513
28 SW-OPEN
29
30
31 METER BL CTL
32, 33
34 MTK-XIFCS
35
36
37 MTK-CLOCK
38
39 METER LED CTRL
40, 41
42 MTK PWR CTL
43 AD SUPPLY SW
44
45
46
47 HUB-RST
48 MTK-RST
49 TC_M+9V
50 PROTECT
51 STK MUTE
52 SW SPK RELAY
53 FR SPK RELAY
54 STBY RELAY
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55 EEP-SDA
56 EEP-SCL
57 VBus-Det
58 LINE MUTE
.
59 R2A15216FP-CLK
60 R2A15216FP-DATA
61 ST-TUNED
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I/O
O Meter motor drive signal output to the meter display block
O LED drive signal output terminal for USB A and SUBWOOFER indicator
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 - Ground terminal
CNVss - Ground terminal
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
For several hundreds msec. 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
O Communication initialization request signal output to the servo DSP
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 input 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 input 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
O Meter backlight LED drive signal output to the meter display block
NO-USE - Not used
I Communication initialization request acknowledge signal input from the servo DSP
MTK-TX O Serial data output to the servo DSP
MTK-RX I Serial data input from the servo DSP
I Serial data transfer clock signal input from the servo DSP
NO-USE - Not used
O LED drive signal output to the meter display block
NO-USE - Not used
O Power supply terminal on/off control signal output terminal
O Power supply terminal on/off control signal output terminal for the rotary encoder
HP DET I Headphone connection detection signal input terminal
MIC DET I Microphone connection detection signal input terminal
MTK-OE O Power supply on/off control signal output terminal for USB section
O Reset signal output to the USB controller
Reset signal output to the servo DSP
O
Reset signal output to the servo DSP and EEPROM
O Not used
I Speaker protect detection signal input from speaker protect circuit
O Power amplifi er on/off control signal output to the power amplifi er
O Relay drive signal output terminal for the subwoofer
O Relay drive signal output terminal for the front speakers
O Relay drive signal output terminal for the main power
I/O Two-way IIC data bus with the EEPROM
I/O Two-way IIC clock bus with the EEPROM
x ao
y
O VBUS voltage detection signal output to the USB controller
O Line muting on/off control signal output terminal
i
O Serial data transfer clock signal output to the electrical volume
O Serial data output to the electrical volume
I Tuning detection signal input from the tuner (FM/AM)
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8
Q Q
3 6 7 1 3
Not used
"L": reset (GTZ4/GTZ5)
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HCD-GTZ4/GTZ4i/GTZ5
2 9 9 4 2 8
Description
"H": protector on
"L": reset
Fixed at "H" in this set
"L": AC cut on
1 5 0 5 8 2 9 9 4
Not used
"H": LED on
"H": power on
"H": headphone connection
"H": microphone connection
"H": power on
"L": reset
"L": reset (GTZ4i)
"H": protector on
"H": amplifi er on
"H": relay on
"H": relay on
"H": power on
m
co
"L": muting on
9 9
"H": LED on
2 8 9 9
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