LG 26LC2R Service Manual - Page 23

Protect mode

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3. Protect mode (1) Symptom 1) After once shining, it does not discharge minutely from module 2) The Rely falls down (The sound is audible "click") 3) The front LED turn Green to Red (2) Check process Is normal PSU? Yes Is normal cables? Yes Is normal Main B/D? No Does the Low/High voltage operate normally? No Do cable connect well each wafer? No Disconnecting cable(P301, P900, P1001) at main B/D, are Voltages normal? No Exchange the PSU No Exchange the cable Yes Exchange main board - 23 -

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3. Protect mode
(1) Symptom
1) After once shining, it does not discharge minutely
from module
2) The Rely falls down (The sound is audible “click”)
3) The front LED turn Green to Red
(2) Check process
Exchange the PSU
No
Yes
Is normal cables?
Do cable connect well each wafer?
Is normal Main B/D?
Is normal PSU?
Does the Low/High voltage operate normally?
No
No
No
No
Yes
Disconnecting cable(P301, P900, P1001)
at main B/D, are Voltages normal?
Exchange the cable
Yes
Exchange main board