Philips 28PW9618, Руководство по обслуживанию

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Service Modes, Error Codes, and Fault Finding
EN 34 EM6E 5.
5.9
Software Downloading
In this chassis, you can upgrade the software via ComPair. You
can find more information on how this procedure works in the
ComPair file. It is possible that not all sets are equipped with
the hardware, needed to make software upgrading possible. To
speed up the programming process the firmware of the
ComPair interface can be upgraded. See paragraph “How To
Order” for the order number
Strange switch 'off'
behaviour TS7445 possibly defective. Check, with a multi-meter, whether transistor TS7445 is well functioning. (diagram A3).
Problems caused by
EPG (Electronic Pro-
gram Guide). The TV
set "hangs". Problems with NexTView
EPG broadcasts. To switch from EPG 2C3 to Teletext guide. Press for 4 seconds, simultaneously the
Menu button on the TV and digit 0 on the remote. The option settings for NexTView type
and Flashram will not change.
NexTView EPG is
not functioning only
Teletext guide. EPG version 2C3 is
switched off during produc-
tion. To switch from Teletext guide to EPG 2C3. Press for 4 seconds, simultaneously the
Menu button on the TV and digit 1 on the remote. The option settings for NexTView type
and Flashram will not change.
Various symptoms,
due to missing local
supply voltage. An interrupted fuse, NFR-
resistor or connection. When no symptom or error code leads you to a specific circuitry, use the supply lines
overview (see supply lines overview), for a quick scan of all supply lines.
Phenomenon Possible Cause Repair tip