Sony TAV-L1 Service Manual page 139

SUB BOARD IC901 M30624FGPFP-TAVUC-SUB-01 (SUB SYSTEM CONTROLLER)
Pin No. Pin Name
1
BACKLIGHT_IN
2
BACKLIGHT_OFF
3 SIRCS_IN
4 NO USE
5
PANEL_FAIL_OUT
6
AC_CUT
7 NO USE
8 BYTE
9 CNVSS
10, 11 NO USE
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 NO USE
19 FG
20, 21 NO USE
22 MO_ENABLE
23, 24 NO USE
25 EEPROM_WP
26 SIRCS_OUT
27 EEPROM_CLK
28 EEPROM_DATA
29 I2C_CLK
30 I2C_DATA
31 TXD1
32 RXD1
33 CLK1
34
RTS1
35 I2C_DEV_DATA I/O
36 I2C_DEV_CLK
37 to 45 NO USE
46 /CE
47 to 61 NO USE
62 VCC
63 NO USE
64 VSS
65 to 78 NO USE
79 MAIN_INT
80 CURRENT_DET
81 INCH
I/O
I
Request signal of turning off picture input from the TV system controller "L": turning off picture
O
Command signal of turning off picture output to the LCD panel unit "L": turning off picture
I Remote control signal input from the remote control receiver
O
Not used
Abnormal voltage detection signal output to the TV system controller
O
"L": abnormal voltage detect
I
Main AC cut detection signal input terminal "L": AC cut
O
Not used
I External data bus terminal
I Processor mode setting terminal
O
Not used
I
Reset signal input from the main system controller "L": reset
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 input terminal Fixed at "H" in this set
O
Not used
I Speed detection sensor input terminal "H": speed detect
O
Not used
O PWM enable signal output to the lift motor driver "H": motor on
O
Not used
O Write protect signal output terminal Not used
O Remote control signal output to the TV system controller
O Serial data transfer clock signal output to the EEPROM
O Serial data output to the EEPROM
I/O Two-way I2C clock signal bus with the main system controller
I/O Two-way I2C data bus with the main system controller
O
Not used
O
Not used
O
Not used
O
Not used
Two-way I2C data bus with the TV system controller, temperature sensor, video switch, audio
switch, audio processor and P board
Two-way I2C clock signal bus with the TV system controller, temperature sensor, video switch,
I/O
audio switch, audio processor and P board
O
Not used
I Chip enable signal input terminal Not used
O
Not used
- Power supply terminal (+3.3V)
O
Not used
- Ground terminal
O
Not used
O Interrupt request signal output terminal Not used
O
Lift motor driver over current detection signal input terminal "H": over current detect
I
Inch information input terminal Not used
Description
TAV-L1
139