Sony HCD-GTZ4 Service Manual page 41

MAIN BOARD IC401 R5F3640DDFA (SYSTEM CONTROLLER)
Pin No. Pin Name
METER-IN3,
1, 2
METER-IN4
3 SW/USB CTRL
4 SIRCS
5 CDM-SD
6, 7 M2-, M2+
8 BYTE
9 CNVss
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 M1-
19 MTK-BUSY
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 METER BL CTL
32, 33 NO-USE
34 MTK-XIFCS
35 MTK-TX
36 MTK-RX
37 MTK-CLOCK
38 NO-USE
39 METER LED CTRL
40, 41 NO-USE
42 MTK PWR CTL
43 AD SUPPLY SW
44 HP DET
45 MIC DET
46 MTK-OE
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
55 EEP-SDA
56 EEP-SCL
57 VBus-Det
58 LINE MUTE
59 R2A15216FP-CLK
60 R2A15216FP-DATA
61 ST-TUNED
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
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
- Ground terminal
- Ground terminal
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
For several hundreds msec. 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
O Communication initialization request signal output to the servo DSP
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 input 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 input 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 Meter backlight LED drive signal output to the meter display block
- Not used
I Communication initialization request acknowledge signal input from the servo DSP
O Serial data output to the servo DSP
I Serial data input from the servo DSP
I Serial data transfer clock signal input from the servo DSP
- Not used
O LED drive signal output to the meter display block
- 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
I Headphone connection detection signal input terminal
I Microphone connection detection signal input terminal
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
O VBUS voltage detection signal output to the USB controller
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
I Tuning detection signal input from the tuner (FM/AM)
HCD-GTZ4/GTZ4i/GTZ5
Description
"L": reset
Fixed at "H" in this set
"L": AC cut on
Not used
Not used
"H": LED on
"H": headphone connection
"H": microphone connection
"L": reset
"L": reset (GTZ4/GTZ5)
"L": reset (GTZ4i)
"H": relay on
"H": relay on
"H": power on
"L": muting on
"H": LED on
"H": protector on
"H": power on
"H": power on
"H": protector on
"H": amplifi er on
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