Toshiba 42CV500P Service Manual page 126

After replacing QA02 or signal board, the following initialization is required.
CAUTION: Never attempt to initialize the data unless QA02 has been
replaced.
Whenever using new signal board to the set, setting the Model ID data
according to Panel option data.
1) Enter the service mode.
2) Select menu of ID by pressing P
service mode.
3) Change ID data into MODEL ID to initialize by pressing
below.
4) Press and hold the CALL button on the remote control, then press the CHANNEL
button on the TV.
5) Initialization progress dialog including model name and panel vendor is shown.
Progress status is "WRITING".
6) Progress status is changed "OK" and power cycle (automatically). Then QA02
initialization has been completed.
7) Enter the service mode and select version check mode. Confirm if model name and
model id set is correct. If not, repeat steps 1) to 6).
Note:
In case initialization by setting wrong MODEL ID is done, there is a possibility of
abnormal display.
8) Set I2C check function of TVOP to enable.
9) Check the picture carefully. If necessary, adjust any adjustment item above.
Perform "Auto tune" on the owner's manual.
MODEL ID (HEX)
or P
Model name Panel vendor
during display of adjustment menu in the
+ or -, refer to table