FUNCTION/IR Control
<Function/IR>
LED Status / Function Switch
CN1 (FUNCTION/IR)
1 IR 3.3Vdc to 2.5Vdc (Effective DC) 2 GND
3 A3.3V_PW 4 AMP_SCL_I2C 3.3Vdc (effective DC)
5 AMP_SDA_I2C 3.3 Vdc (effective DC) 6 KEY_INPUT1 1.8dc to 0V with command
7 KEY_INPUT2 0V (no operation change) 8 LED_STB_OUT 1.7Vdc STBY
CN1
TV in Standby 1.
LED Status √
If 2. LED is OFF
LED 1.7Vdc (pin 8) and VCC for 3.3Vdc (pin 3) √
If missing suspect • Function Assy/Cable Assy/Main Assy.
If 3. LED is ON
Switch Operation activates on screen display. √
<On Screen Selections with Function Control>
If missing: -
Key _Input1 Pin 6 √ change to 0V with a command.
If wrong voltage or no change: -
Switch for stuck or miss-operation. √
Check 4. IR operation with Standard Remote command changes. (3.3V to 2.5V effective DC)
SDA5. , SCL for effective 3.3Vdc (after power on)
If missing suspect - Function Assy/Cable Assy/Main Assy.
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