Question about Toshiba REGZA 52XV648U LCD TV
Replaced fuses. But still no power in start or standby. Has power at ac cord at board power connector.
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Posted on Jan 02, 2017
SOURCE: Fix for Toshiba tv 22 L1 333
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.
Posted on Jun 01, 2016
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The T300 uses a 2.5A fuse.
To replace the fuse:
1. Unplug the AC cord from the AC power source,
then remove the AC power cord from the speaker's
power connector.
2. Remove the fuse cap with a small, flat blade screwdriver
(see diagram 2).
3. Remove the fuse from the fuse cap
(see diagram 3).
4. Replace the fuse inside fuse cap with another metric
5X20mm size fuse
5. Replace the fuse inside the cap, replace the fuse
and cap in the power connector (see diagram 5).
6. Connect the AC power cord to the speaker and
raise it upright.
7. Connect the power cord to an AC power outlet
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