FUNCTION/IR Control
<DECO Lamp>
<Function/IR>
LED Status / Function Switch
CN910 (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
9
A3.3V_PW 3.3V to Deco Lamp
10
LED_CTRL to Deco Lamp 1Vdc (off) 0.5V (On)
CN910
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)
SDA
5.
,
SCL
for effective 3.3Vdc (after power on)
If missing suspect
-
Function Assy/Cable Assy/Main Assy
.
4-3
4. Troubleshooting