Read Sharp LC-32GD9EK (serv.man8) Service Manual online
21
LC-26GA5E
LC-32GA5E
LC-32GD9E
LC-37GD9E
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LC-26GA5E
LC-32GA5E
LC-32GA8/LC-32BV8
LC-37GA8/LC-37BV8
9. Lamp error detection
9.1. 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.)
9.2. 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.
9.3. 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.
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