Sharp LC-32GD8EE Service Manual page 21

9. Lamp error detection
9.1. For 37" LCD TV
9.1.1. Functional description
This LCD colour television has a function (lamp error detection) to be turned OFF automatically for safety when the
lamp or lamp circuit is abnormal.
If the lamp or lamp circuit is abnormal, or some other errors happen, and the lamp error detection is executed, the
following occur.
1- The main unit of television is turned OFF 5 seconds after it is turned ON. (The power LED on the front side of
TV
turns from green to red.)
2 - If the situation "1" happens 5 times sequentially, television can not be turned ON. (The power LED remains red.)
9.1.2. Countermeasures
When television is turned OFF by the lamp error detection mentioned above, it enters the adjustment process with
the power LED red. Entering the adjustment process turns OFF the error detection and turns ON TV. This enables
the operation check to detect errors in the lamp or lamp circuit.
Check whether "L ERROR RESET" on point 7, page 10/11 of the adjustment process is 1 or more. If it is 1 or more,
it indicates the lamp error detection was executed. After confirming that the lamp or lamp circuit is normal, reset
the lamp error counter pushing "OK" in the R/C. After resetting counter the label "***OK***" appears on Screen.
9.1.3. Reset standby cause error list
After confirming that the lamp error counter has been erased, select "STAND BY CAUSE RESET" on point 3, page
10/11 of the adjustment process and select ON using the right cursor. For execute press "OK" in the R/C and the
label "***OK***" appears on Screen.
9.2 For 32" LCD TV
9.2.1. Functional description
This LCD colour television has a function (lamp error detection) to be turned OFF automatically (Inverter unit) for
safety when the lamp or lamp circuit is abnormal.
If the lamp or lamp circuit is abnormal, or some other errors happen, and the lamp error detection is executed, the
following occur.The Inverter circuit stops but the rest of TV continues working. The power led is green.
9.2.2 Countermeasures
Proceed to repair the inverter unit to solve the problem that produces the lamp error.
9.2.3. Reset standby cause error list
For 32" this is not necessary because the lamp error detection is not operative by software.
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LC-26GA5E
LC-32/37GD8E/RU
LC-26GA5E
LC-32GA8/LC-32BV8
LC-32GA5E
LC-32/37BT8E/RU
LC-32GA5E
LC-37GA8/LC-37BV8