Sony XAV-612BT Service Manual page 52

XAV-612BT
MAIN BOARD IC502 R5F3650KCDZ92FB (SYSTEM CONTROLLER)
Pin No. Pin Name
1 SPEED_IN
2 SIRCS
3 MHL_OVER
4 MODEL_SEL2
5 NCO
6 BYTE
7 FLASH_W
8 XCIN
9 XCOUT
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC
15 NMI
16 MODEL_SEL4
17 BU_IN
18 MHL_ON
19 REVERSE_IN
20 NAVI/XM_Rx
21 VOL_ATT
22 NAVI/XM_Tx
23 NAVI_DET
24 FSW_OUT
25 STB
26 BEEP
27 I2C_SCK
28 I2C_SIO
29 FLASH_Tx
30 FLASH_Rx
31 F_CLK
32 BUSY
33 HIT2_SDA
34 HIT2_SCL
35 DIAG
36 XM_EN
37 ZxZ_ATT
38 NCO
39 HOLD
40 HIT2_RST
41 MHL/EXT_SEL
42 PARKING_IN
43 ACCIN
44 WRI/WR
45 MECHA_Tx
46 MECHA_Rx
47 ATT_CNT
48 MECHA_RTS
49 ATT
50 SERVICE
51 EXTATT_XEN
52 Z_MUTE
53 SELF_SW
52
I/O
I Speed pulse signal input terminal
I SIRCS signal input from the panel section
I Over current detection signal input from the MHL section
I Model setting terminal
- Not used
I External data bus width selection signal input terminal
I Flash writing terminal "L": normally operation mode, "H": writing mode
I Low-speed system clock input terminal (32.768 kHz)
O Low-speed system clock output terminal (32.768 kHz)
I System reset signal input from the reset signal generator and reset switch
O High-speed system clock output terminal (6 MHz)
- Ground terminal
I High-speed system clock input terminal (6 MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt signal input terminal
I Model setting terminal
I Back up power supply detection signal input terminal
O Power supply on/off control signal output to the MHL section
I Reverse shift position detection signal input terminal
Serial data input from the EXT connector for external navigation
I
(E (PAL), Indian and Australian models only)
O Audio muting on/off control signal output to the electrical volume
Serial data output to the EXT connector for external navigation
O
(E (PAL), Indian and Australian models only)
External navigation detection signal input terminal
I
(E (PAL), Indian and Australian models only)
External sync signal output to the DC/DC converter, line amplifi er, MHL section and panel
O
section
O Standby signal output to the power amplifi er
O Beep sound output to the power amplifi er
O I2C clock signal output to the electrical volume, EEPROM, power amplifi er and MHL section
I/O Two-way I2C data bus with the electrical volume, EEPROM, power amplifi er and MHL section
O Serial data output to the fl ash writing connector
I Serial data input from the fl ash writing connector
O Serial data transfer clock signal output terminal
O Busy signal output terminal
I/O Two-way I2C data bus with the tuner unit
O I2C clock signal output to the tuner unit
I Diagnostic signal input from the power amplifi er
O Power supply on/off control signal output terminal
O ZxZ audio muting on/off control signal output terminal
- Not used
I External data bus terminal at the fl ash writing mode
O Reset signal output to the tuner unit
O MHL/EXT selection signal output to the MHL section
I Side brake (parking brake) position detection signal input terminal
I Accessory power supply detection signal input terminal
I External data bus terminal at the fl ash writing mode
O Serial data output to the DVD mechanism deck block
I Serial data input from the DVD mechanism deck block
O Audio muting on/off control signal output terminal
I Request to send signal input from the DVD mechanism deck block
O System muting on/off control signal output terminal
I Setting terminal for service
External input audio muting on/off control signal output terminal
O
"L": disc play, "H": other source play or source off
Zero data muting on/off control signal input from the DVD mechanism deck block
I
"H": muting on
I Self loading position detection switch input terminal
Description
Not used
"L": over current
Fixed at "L" (16 bit) in this unit
Fixed at "H" in this unit
"H": back up power on
"L": reverse shift position
"L": navigation is detected
"L": standby
Not used
Not used
Not used
Fixed at "L" in this unit
"L": reset
"L": EXT-Navi, "H": MHL
"L": accessory power on
Fixed at "H" in this unit
"H": normal operation, "L": standby mode
"H": muting on
"L": for service, "H": normal operation
"L": reset
"H": power on
"L": muting on
"L": brake on