Cpu Port Functions - Sanyo LCD-32XL2 Service Manual

Main CPU Port Functions (IC801)
Pin No. Port Name
131 A0
133 A1
10 A2
11 A3
135 A4
136 A5
137 A6
138 A7
146 B0
145 B1
144 B2
143 B3
142 B4
141 B5
130 C0
129 C1
128 C2
127 C3
4 C4
3 C5
2 C6
1 C7
5 D0
6 D1
7 D2
8 D3
132 D4
147 D5
9 D6
134 D7
Function
N_Reset Output (Active=H)
Power error-1 input
PLL Lock
LCD Brightness Output
LED / For software flash
Audio Mute / For software flash
Control of Inverter (Active=L)
For writing / FAN Control Check (For manufacturing process) (Active=L)
Power ON/OFF Switch Input (AD Input)
Key Board Input (AD Input)
8-pin of Scart-1 Input (AD Input) -Not used-
8-pin of Scart-2 Input (AD Input)
8-pin of Scart-3 Input (AD Input) -Not used-
AGC Input
SDA for ADE3800 (IC4001)
SCL for ADE3800 (IC4001)
AV Switch-C Output
Power-3 Output
SDA for EEPROM (IC802)
SCL for EEPROM (IC802)
SDA for device other than EEPROM
SCL for device other than EEPROM
AV Switch-A Output
LCD ON (Back-Light ON/OFF) Output
50/60Hz Switch (Switching PAL/NTSC) Output
AV Switch-B Output (Active=H)
RC Input (Active=L)
Power Switch-1 output
Power error-2 Input
Power Info. Input (Input of the power supply condition)
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