66
ICF-DVD57TV
MONITOR BOARD IC1401
µ
PD789477GC-SR7596B (SUB SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
NC
-
Not used
3 to 5
VLC2 to VLC0
-
Not used
6 to 9
COM0 to COM3
O
Not used
10 to 25
SEG0 to SEG15
O
Not used
26
TEST_MODE
I
Monitor test mode setting terminal "H": test mode on
27 to 29
NC
-
Not used
30
T-AGC
O
TV AGC on/off control signal output to the TV tuner unit
31
T-MUTE
O
TV muting on/off control signal output to the TV tuner unit "H": muting on
32
T-SDATA
O
Serial data output to the TV tuner unit
33
T-SCL
O
Serial data transfer clock signal output to the TV tuner unit
34
TV/AUX_MUTE
O
TV/AUX audio muting on/off control signal output terminal "H": muting on
35
XRESET
O
Reset signal output to the LCD controller
36
NC
I
Not used
37
TFT OPEN
I
Monitor open/close detection signal input terminal
"L": monitor is opened, "H": monitor is closed
38
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
39, 40
AN17, AN16
I
Not used
41
SCP-DET
I
Over current detection signal input from the power control
42 to 45
NC
I
Not used
46
T-AFT
I
TV AFT detection signal input from the TV tuner unit (A/D input)
47
AVSS
-
Ground terminal (for A/D converter)
48
NC
-
Not used
49
EEPROM-SDA
I/O
Two-way data bus with the EEPROM
50
EEPROM-SCL
O
Serial data transfer clock signal output to the EEPROM
51
µ
COM-LATCH
I
Latch signal input from the main system controller
52
VSYNC
I
Vertical sync signal input from the RGB decoder
53
OSD-CS
O
Chip select signal output to the OSD driver
54
OSD-DATA
O
Serial data output to the OSD driver
55
OSD-CLK
O
Serial data transfer clock signal output to the OSD driver
56
µ
COM-R DATA
I
Serial data input from the main system controller
57
µ
COM-S DATA
O
Serial data output to the main system controller
58
µ
COM-CLK
I
Serial data transfer clock signal input from the main system controller
59
8V_SW
-
8V power on/off control signal output terminal "H": power on
60
TFT-ON
O
Power on/off control signal output for back light unit "H": power on
61
ZOOM
O
Screen size selection signal output to the LCD controller "H": zoom screen
62
JUST
O
Screen size selection signal output to the LCD controller "H": wide screen
63, 64
SIDE1, SIDE2
O
Screen size selection signal output to the LCD controller
65
HSYNCLOCK
I
Horizontal sync detection signal input from the RGB decoder
66
SDA
O
Serial data output to the RGB decoder
67
SCK
O
Serial data transfer clock signal output to the RGB decoder
68
NC
I
Not used
69
IC
I
Connected to the ground
70
XT1
I
System clock input terminal Not used
71
XT2
O
System clock output terminal Not used
72
VDD
-
Power supply terminal (+3.3V)
73
VSS
-
Ground terminal
