Toshiba 37HLC56 - 37" LCD Flat Panel Display, Service Manual

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Self Diagnostic Function
1. Press "9" button on remote control during display of adjustment menu in the service
mode. The diagnosis will begin to check if interface among IC's is executed properly.
2. During diagnosis, the following displays are shown.
All White
(1) Firmware :
Version information of microprocessor
In case of file name : HCL56 and Version : 0459 indicates [HLC56_0459].
(2) Time : Total hour of turn the TV on. (Unit : H)
(3) Bus line : -- "OK" is normal
SCL-GND (Red indication) : SCL-GND short circuit
SDA-GND (Red indication) : SDA-GND short circuit
SCL-SDA (Red indication) : SCL-SDA short circuit
(4) Bus cont : --- "OK" is normal.
When the abnormal status is detected, the type name of semiconductor is
indicated in red color.
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