Sony HCD-GTK1i Service Manual page 27

• IC Pin Function Descriptions
MAIN BOARD (1/3) IC100 R5F364AEDFA (CD-MP3 PROCESSOR)
Pin No. Pin Name
1 USB_OC
2 IPOD_OC
3 NO-USE
4 SIRCS
5 NO-USE
6 REG_OE
7 NO-USE
8 BYTE
9 CNVss
10 NO-USE
11 NO-USE
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 BU81459KV_MCHNG
19 BU81459KV_IRPTO
20 AC-CUT
21 BU81459KV_RESET
22 BU81459KV_CLK
23 BU81459KV_BUSY
24 BU81459KV_DATA
25 IPOD_ACCP
26 R2A15909SP_DATA
27 R2A15909SP_CLK
28 NO-USE
29 IIC-CLK
30 IIC-DATA
31 FLASH_TXD
32 FLASH_RXD
33 FLASH_CLK
34 FLASH_RTS
35 NO-USE
36 STK_MUTE
37 SPK_RELAY
38 NO-USE
39 NO-USE
40 NO-USE
41 PROTECT
42 LINE MUTE
43 NO-USE
44 NO-USE
45 NO-USE
46 NO-USE
47 IPOD_TXD
48 IPOD_RXD
49 NO-USE
50 NO-USE
51 NO-USE
52 NO-USE
53 NO-USE
I/O
I USB device over current detect pin
I iPod device over current detect pin
- Unused port (Input port setting - short to GND)
I Remote control signal input
- Unused port (Input port setting - short to GND)
O iPod & USB VBUS 5V Regulator Control, "L" : ON
- Unused port (Output port setting - open)
- Ground terminal
- Ground terminal
- Unused port (Output port setting - open)
- Unused port (Output port setting - open)
I System reset signal input from the reset circuit. "L": reset
After the power supply rises, "L" is input for 20msec or more and then change to "H".
O Main system clock output terminal (8MHz)
- Ground terminal
I Main system clock input terminal (8MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt input terminal
I Music Change input signal from USB decoder IC
I Device (Have 2 confi guration or more, e.g. iPod) connection's interruption input signal
I AC off detection signal input from the reset circuit. "L": AC Cut detected
O Reset signal to USB decoder IC. "L" : reset.
I/O I2C Interface Clock output to USB decoder IC
I Command Operation Busy Flag from USB decoder IC
I/O I2C Interface Data Input/Output with USB decoder IC
I iPod accessory power detect
I/O Serial data output to audio signal IC, R2A15909SP
O Serial data transfer clock signal output to audio signal IC, R2A15909SP
- Unused port (Input port setting - short to GND)
I/O Clock signal for IIC communcation for Master Control controller
I/O Data signal for IIC communcation for Master Control controller
O Transmit line for SC micom IC (IC100) fl ash writing
I Receive line for SC micom IC (IC100) fl ash writing
I Clock input for SC micom IC (IC100) fl ash writing
I Reset signal to SC micom IC (IC100) fl ash writing
- Unused port (Input port setting - short to GND)
O Power amplifi er on/off control signal output "H": amplifi er on
O Relay drive signal output for the passive sub woofer "H":relay on
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
I Speaker protect detection signal input from speaker protect circuit "L":protector on
O Line muting on/off control signal "L":muting on
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
O Serial data output to the iPod
I Serial data receive from the iPod
- Unused port (Output port setting - open)
- Unused port (Output port setting - open)
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
- Unused port (Input port setting - short to GND)
HCD-GTK1i/GTK2i
Desciption
27