Sanyo PLC-WTC500L, Service Manual

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IIC Bus D/A Converter (M62393FP Fan Control, IC7971)
Control Port Functions
Pin No. Function Name Function Pol.
Action
Stand-by Power On
1 Reset Input I
→
2 IIC BUS SCL I
→
3 IIC BUS SDA I/O
→
4 FAN_CONT5 FAN_FN905 Control Voltage (Lamp1&2 Top) AO
→
0:FAN Max ~ 255:FAN Min
5 FAN_CONT6 FAN_FN906 Control Voltage (Panel Cooling Fan R) AO
→
0:FAN Max ~ 255:FAN Min
6 FAN_CONT7 FAN_FN907 Control Voltage (Panel Cooling Fan G) AO
→
0:FAN Max ~ 255:FAN Min
7 FAN_CONT8 FAN_FN906 Control Voltage (Panel Cooling Fan B) AO
→
0:FAN Max ~ 255:FAN Min
8 GND -
→
9 DAC Upper Ref. Voltage(CH5~CH8) -
→
10 GND -
→
11 DAC Upper Ref. Voltage (CH1~CH4) -
→
12 FAN_CONT1 FAN_FN901 Control Voltage (Lamp1 Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
13 FAN_CONT2 FAN_FN902 Control Voltage (Power Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
14 FAN_CONT3 FAN_FN903 Control Voltage (Lamp2 Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
15 FAN_CONT4 FAN_FN904 Control Voltage (Lamp1&2 Bottom) AO
→
0:FAN Max ~ 255:FAN Min
16 Power for Output Buffer (4.5V ~ 5.5V) -
→
17 Power 5V±10% -
→
18 Slave Address Setting Pin2 (Vdd) I
→
H
19 Slave Address Setting Pin1 (GND) I
→
H
20 Slave Address Setting Pin0 (GND) I
→
H
PIN PORT SIGNAL FUNCTION I/O NOTE
4 D0 SW_PF5V Power Faiiler Detection Switch O
5 D1 - -
6 D2 P-FAIL_1.2V_HDMI Power Faiiler Detection Input [HDMI 1.2V] I H: Normal
7 D3 P-FAIL_RLY Power Faiiler Detection Input [Relay] I H: Normal
9 D4 P-FAIL_3.3 Power Faiiler Detection Input [3.3V] I H: Normal
10 D5 P-FAIL_5V Power Faiiler Detection Input [5V] I H: Normal
11 D6 P-FAIL_15V Power Faiiler Detection Input [15V] I H: Normal
12 D7 P-FAIL_1.0V Power Faiiler Detection Input [1.0V] I H: Normal
I/O Expander (M62320, IC5082)
PIN PORT SIGNAL FUNCTION I/O NOTE
4 D0 SW_PF5V_S Power Faiiler Detection Switch O
5 D1 P-FAIL_PJ Power Faiiler Detection Input [PJ-Net] I H: Normal
6 D2 P-FAIL_S5V Power Faiiler Detection Input [S5V] I H: Normal
7 D3 P-FAIL_S-5V Power Faiiler Detection Input [S-5V] I H: Normal
9 D4 P-FAIL_S1.2V_FRT Power Faiiler Detection Input [1.2V FRT] I H: Normal
10 D5 -
11 D6 P-FAIL_S1.8V_KS Power Faiiler Detection Input [1.8V Keystone] I H: Normal
12 D7 P-FAIL_S2.5V_KS Power Faiiler Detection Input [2.5V Keystone] I H: Normal
I/O Expander (M62320, IC5281)
PIN PORT SIGNAL FUNCTION I/O NOTE
4 D0 SP_SHUT_DOWN Speaker Output Enable O L: On
5 D1 INPUTB_SW Select Buffer SW O L: INPUTA, H: INPUTB
6 D2 INPUTB_ON Select Buffer Output Enable O L: On, H: Off
7 D3 SW_PF5V_AV Power Faiiler Detection Switch O
9 D4 P-FAIL_S3.3V_AV Power Faiiler Detection Input [S3.3V AV] I H: Normal
10 D5 P-FAIL_15V_AV Power Faiiler Detection Input [15V AV] I H: Normal
11 D6 P-FAIL_S-5V Power Faiiler Detection Input [S-5V AV] I H: Normal
12 D7 P-FAIL_9V_AV Power Faiiler Detection Input [9V AV] I H: Normal
I/O Expander (M62320, IC4081)