Sanyo PLV-WF20, Service Manual

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I/O Expander (IC8181 M62320FP)
PIN NO. NAME FUNCTION NAME FUNCTION POLARITY I/O
1 SO SO Serial Data Output (not used) O
2 SCL SCL IIC Bus (Clock) I
3 SDA SDA IIC Bus (Data) I/O
4 D0 SCDT_DIF SCDT_DIF O
5 D1 SIPD_DIF SIPD_DIF O
6 D2 P_FAIL Power Fail Detection "L": Abnormality I
7 D3 DDC_WRITE DDC Write Signal O
9 D4 DSUB_DDC_SW DDC for D-Sub SW O
10 D5
11 D6 SIRST_DIF SIRST_DIF O
12 D7 HDCP_SW HDCP SW O
Control Port Functions
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I/O Expander (IC8182 M62320FP)
PIN NO. NAME FUNCTION NAME FUNCTION POLARITY I/O
1 SO SO Serial Data Output (not used) O
2 SCL SCL IIC Bus (Clock) I
3 SDA SDA IIC Bus (Data) I/O
4 D0 VS_DET V-Sync Signal Detection Input I
5 D1 SYNC_ID Sync ID Input I
6 D2 A_D Analog / Digital Switch O
7 D3 not used
9 D4 SIPDO_DIF SIPDO_DIF O
10 D5 F_C Frequency Charactoristic SW "H": On O
11 D6 HD_NTSC_SW HD NTSC SW O
12 D7 SCART_SW SCART-SW "H": SCART O
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I/O Expander (IC8183 M62320FP)
PIN NO. NAME FUNCTION NAME FUNCTION POLARITY I/O
1 SO SO Serial Data Output (not used) O
2 SCL SCL IIC Bus (Clock) I
3 SDA SDA IIC Bus (Data) I/O
4 D0 DVI_2.5VSW VDD2.5V_DVI Power Supply SW "H": On O
5 D1 3.3V SW 3.3V DC Drive SW "H": On O
6 D2 DVI_HPD DVI_HPD O
7 D3 not used
9 D4 not used
10 D5 not used
11 D6 PF_2.5VDVI Power Fail Detection Input "L": Abnormality I
12 D7 not used
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I/O Expander (IC9911 M62320FP)
PIN NO. NAME FUNCTION NAME FUNCTION POLARITY I/O
1 SO SO Serial Data Output (not used) O
2 SCL SCL IIC Bus (Clock) I
3 SDA SDA IIC Bus (Data) I/O
4 D0 not used
5 D1 CG_SW Computer Mode SW 30KHz / 15KHz O
6 D2 not used
7 D3 SYNC_SW Sync SW 30KHz / 15KHz O
9 D4 D3 BNC H/V Sync Impedance Change "H": On O
10 D5 15K_30K_SW 15K/30K System SW "H": 15KHz, "L": 30KHz O
11 D6 S_SW S-Video Terminal Detection SW "L": Connected I
12 D7 not used
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I/O Expander (IC9912 M62320FP)
PIN NO. NAME FUNCTION NAME FUNCTION POLARITY I/O
1 SO SO Serial Data Output (not used) O
2 SCL SCL IIC Bus (Clock) I
3 SDA SDA IIC Bus (Data) I/O
4 D0 PF_3.3V_D Power Fail Detection "L": Abnormality I
5 D1 PF_1.8V_D Power Fail Detection "L": Abnormality I
6 D2 not used Power Fail Detection "L": Abnormality I
7 D3 PF_1.8V_A Power Fail Detection "L": Abnormality I
9 D4 not used
10 D5 PF_3.3VFPGA Power Fail Detection "L": Abnormality I
11 D6 PF_9V Power Fail Detection "L": Abnormality I
12 D7 PF Power Fail Detection (PF_F5V / PF_5V) "L": Abnormality I