BOXLIGHT MP-45, Service Manual

Page: 55 / 130

-55-
1 SO Serial Data output port (Not connected) O
2 SCL IIC BUS SCL I
3 SDA IIC BUS SDA I/O
4 D0 FOCUS+ FOCUS + Active H O
5 D1 FOCUS- FOCUS - Active H O
6 D2 ZOOM+ ZOOM + Active H O
7 D3 ZOOM- ZOOM - Active H O
8 Vss GND -
9 D4 LENS UP LENS UP Active H O
10 D5 LENS DOWN LENS DOWN Active H O
11 D6 BRIGHT ON BRIGHT ON Active H O
12 D7 BRIGHT OFF BRIGHT OFF Active H O
13 Vdd Power 5V -
14 CS2 Slave address setting port 2 (GND) I
15 CS1 Slave address setting port 1 (GND) I
16 CS0 Slave address setting port 0 (GND) I
Pin No. Name Function Action I/O
●
IIC Bus I/O Expander (IC1641, M62320FP) Port Functions
Control Port Functions
1 SO Serial Data output port (Not connected) O
2 SCL IIC BUS SCL I
3 SDA IIC BUS SDA I/O
4 D0 SMODE Soft Sharpness Set H O
5 D1 CONT2_ON M2SEL0/1 Short/Open Short = L O
6 D2 PJ_ON Serial Mouse setting for Network Forced = L O
7 D3 PIXS (DVI Pixel select mode) 2 pixel per clock mode Set H O
8 Vss GND -
9 D4 Not used O
10 D5 Not used O
11 D6 Not used O
12 D7 Not used O
13 Vdd Power 5V -
14 CS2 Slave address setting port 2 (GND) I
15 CS1 Slave address setting port 1 (GND) I
16 CS0 Slave address setting port 0 (Vdd) I
Pin No. Name Function Action I/O
●
IIC Bus I/O Expander (IC9931, M62320FP) Port Functions
1 R Reset input I
2 SCL IIC BUS SCL I
3 SDA IIC BUS SDA I/O
4 A07 DAC_VRB AV black level Adjustment O
5 A08 DAC_RCR AV white level Adjustment O
6 A09 DAC_GY AV white level Adjustment O
7 A10 DAC_BCB AV white level Adjustment O
8 A11 VOLUME - O
9 A12 LF_LEV - O
10 VrefL DAC Lower Reference Voltage input -
11 VrefU1 DAC Upper Reference Voltage input (CH5~CH8) -
12 Vss GND -
13 VrefU2 DAC Upper Reference Voltage input (CH1~CH 4) -
14 A01 SGAIN+ Soft Sharpness control O
15 A02 SGAIN- Soft Sharpness control O
16 A03 RCR_CLP AV Cr/R pedestal Adjustment O
17 A04 GY_CLP AV Y/G Pedestal Adjustment O
18 A05 BCB_CLP AV Cb/B Pedestal Adjustment O
19 A06 Not used
20 Vcc Power Supply for Output Buffer (4.5V ~ 5.5V) -
21 Vdd Power 5V -
22 CS2 Slave address setting port 2 (GND) I
23 CS1 Slave address setting port 1 (Vdd) I
24 CS0 Slave address setting port 0 (GND) I
Pin No. Name Function I/O
●
IIC Bus DA Converter (IC9405, M62392FP) Port Functions