FUNCTION/IR Control
IR 3.3Vdc to 2.5Vdc (Effective DC)
1
3
5
AMP_SDA_I2C 3.3 Vdc (effective DC)
KEY_INPUT2 0V (no operation change)
7
9
A3.3V_PW 3.3V to Deco Lamp
<DECO Lamp>
1.
TV in Standby
√
LED Status
2.
If
LED is OFF
√
LED 1.7Vdc (pin 8) and VCC for 3.3Vdc (pin 3)
•
If missing suspect
3.
If
LED is ON
√
Switch Operation activates on screen display.
<On Screen Selections with Function Control>
-
If missing:
√
Key _Input1 Pin 6
-
If wrong voltage or no change:
√
Switch for stuck or miss-operation.
IR operation with Standard Remote command changes. (3.3V to 2.5V effective DC)
4.
Check
, SCL for effective 3.3Vdc (after power on)
5.
SDA
-
If missing suspect
CN910 (FUNCTION/IR)
A3.3V_PW
Function Assy/Cable Assy/Main Assy.
change to 0V with a command.
Function Assy/Cable Assy/Main Assy.
2
AMP_SCL_I2C 3.3Vdc (effective DC)
4
KEY_INPUT1 1.8dc to 0V with command
6
8
LED_STB_OUT 1.7Vdc STBY
LED_CTRL to Deco Lamp 1Vdc (off) 0.5V (On)
10
<Function/IR>
4. Troubleshooting
GND
CN910
LED Status / Function Switch
4-3