Control Port Functions - Sanyo M4G-3000 Service Manual

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Control Port Functions

● System Control & I/O Port Functions
IC Ref. No Pin/Name I/O
IC301 PortA0 I/O
PortA1 I/O
PortA2 I/O
PortA3 I/O
PortA4 O
PortA5 O
PortA6 O
PortA7 O
PortB0 I/O
PortB1 I/O
PortB2 I/O
PortB3 I/O
PortB4 I/O
PortB5 I/O
PortB6 I/O
PortB7 I/O
IC1803 12 O
13 O
14 O
15 O
16 O
17 O
18 O
19 O
IC1804 12 O
13 O
14 O
15 O
16 O
17 O
18 O
19 O
IC1806 12 O
13 O
14 O
15 O
16 O
17 O
18 O
19 O
IC1807 12 O
13 O
14 O
15 O
16 O
17 O
18 O
19 O
IC1808 2
3
4
5
6
7
8
9
IC1809 2
3
4
5
6
7
8
9
Signal Name
ROMWEL For ICE
ROMWEH For ICE
BOOTWE For ICE
Not used Fixed High
5V_SW Power ON/OFF
LAMP_BST_SW Lamp Ballast ON/OFF
IO_Reset Initialize I/O
LAMP_POW Lamp-ON
3L_EN 3-Line Serial ON/OFF
PortB1 MatrixSDA
Mouse1 Mouse Control
Not used Fixed High
SCL_IN Fixed High
Not used Fixed High
M_SCL IIC CLK
M_SDA IIC DATA
Mute Mute
LAMP_REP_LED Lamp Replace LED Drive
READY_LED Ready LED Drive
TEMP_LED Temp Warning LED Drive
POW_LED Power LED Drive
KO3 Main Key Switch
KO2 Main Key Switch
KO1 Main Key Switch
CG_Filter CG Filter ON/OFF
VHDREN Philips chip Enable
VFIELD_SW VField PC/AV Selection
Y/G_SW Sync Sep. Y/G Selection
PC/AV _SW PC/AV Selection
S/CV_SW Video/Component Selection
PeriPow_SW Power consumption SW in ST
FanDrive_SW Fan Drive ON/OFF
SCLK 3-Line Serial Clock
SDATA 3-Line Serial Data
DAC_STLOBE DAC
S&H_STLOBE S&H
IRM_STLOBE White Uniformity
FAN_CONT2 Digital Pot.Chip Enabnle
FAN_CONT1 Fan Voltage Enable
Not used
Not used
DVS2 Vsync x 2Hz Output
LAMP_ON Output Clock ON/OFF
LIM-OFF
PWDN For AD9884 Power Down
NYSE
CTS33 RS232C Relation
Not used
I KI1 Main Key Switch
I KI2 Main Key Switch
I KI3 Main Key Switch
I KI4 Main Key Switch
I Power_fail Power Fail Detection
I Not used
I Lamp_ERR Lamp Fail
I Not used
I S_IN
I CB_SW Component
I CR_SW Component
I CTS/V
I OEM Option
I OEM Option
I OEM Option
I SVGA/Video grade SW
Function
-37-
Note
MainPower-ON: High
Lamp Ballast-ON: High
I/O Active: Low
Lamp-ON: High
Serial Line-ON: Low
Air Mouse-ON: High
Mute-OFF: High
ON: High
ON: High
ON: High
ON: High
ON: High
ON: High
Video V Field: High
Y: High G: Low
PC: High AV: Low
Video: Low Component: High
Normal: High Standby: Low
Fan Drive ON: High OFF: Low
Data Effective: Low
Data Effective: High
Data Effective: Low
Data Effective: Low
Fan Control ON: High
Output Clock ON: High
AD Power Down: High
Abnormal: Low Normal: High
Abnormal: Low Normal: High
SVGA: Low Video Grade: High