Question about Hitachi 43UWX10B 43" Rear Projection Television

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Hitachi 43UWX10B No Picture No Sound

TV has malfunctioned due to pressing power button on and off. All 3 fuses appear to be fine. The DP23 light on the deflection/power PWB is not coming on. Where should I look? Is there more fuses I'm not seeing? Thanks

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  • 97 Answers

Check the stand-by circuit to the main pcb for the keyboard control. If no voltage present, check the 5v regulator in the main supply. If you are not seeing the LED on your supply up, it's likely you do not have the 5v stand-by.

Posted on Apr 12, 2007

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Posted on Jan 02, 2017

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1 Answer

Hitachi 43UWX10B - LED Light on constantly on will not go off


Hi,

Power relay is defective. All contacts are not opening when power is removed. Located on small power supply board, upper rt side.
s 901 part# FJ00142 should be under $10, do a google search with part number and 50 sources will appear.

easyab

s901, FJ00142

Jul 14, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

DP23 LED not lit on deflection board no picture on tv


Good Day, Gil;
Your problem is in deflection circuit (115+v) check these: FP05, DP15, Q777, QH01, TH01, T701, etc. BUT suspect C707 1k pfd, 2kv, and check all the pico fuses (brown) 2" to the right of cap. Good Luck, big IRISH.

Jul 19, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Hitachi hdtv flat panel tv no soundand no picture


Most of the case horizontal output transister failure cause these type of problems. Additionally flyback transformer failure also leads same problem but it depends upon aging of the tv. Whatever it is it could be fixed by service Technician only.

Jun 24, 2008 | Hitachi Televison & Video

1 Answer

43UWX10B


It's not coming on probably because the safety sees a short and is sparing you smoke damage. Double check to make sure any solder didn't cross or drop to another set of solder joints on the bottom. You might be able to get a service manual from here that could tell you more about the lights -> https://www.manualsparadise.com/ShowProductsForModel.do?model=M22931911

Apr 26, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

I have a 50 inch hitachi ultravision that has no picture or sound but power light is on


Probably a 'cold or detatched' solder joint on a component on that perticular circuit board you are 'wedging' with a plastic rod.

Apr 16, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

No picture for 3-4 minutes after start up


Roger,
Could be as simple as a software upgrade if the picture looks okay after it come on... What software version are you currently running?
SOFTWARE VERSION CHECK Step (1) Turn the TV ON. Step (2) Using the TV Remote, Select Antenna C. Step (3) Press the MENU button on the Remote. Step (4) Menu will appear
mmc-fig_7.gif
(Figure 1)
Step (5) Press the Cursor Down button and Highlight SETUP
mmc-fig_9.gif
(Figure 2)
Step (6) Press SELECT on the Remote Control. Setup Menu will appear
mmc-fig_10.gif
(Figure 3)
Step (7) Cursor Down and highlight UPGRADES
mmc-fig_11.gif
(Figure 4)
Step (8) Press the SELECT button on Remote Control. Upgrades Menu will appear
mmc-fig_8.gif
(Figure 5)
Step (9) Read the Software Version
software-version-check.gif (Figure 6)


Let me know!
Bill

Dec 12, 2007 | Hitachi 53SDX01B 53" Rear Projection...

1 Answer

Red light blinks thats all


Check for shorted 102K/2KV capacitor near flyback transformer.Also,E994 fuse open. Replace cap w/3KV for durability.

Sep 29, 2007 | Hitachi 43UWX10B 43" Rear Projection...

3 Answers

Red Power light won't go off


try to unplug it for awhile like all day or do like i have and get one of those really cheep christmas light remotes and put it in line to turn off power and then every time that you turn off your set if the light dose not go out just turn off the power or have a repair man replace your power switch for alot of $$$$$.this work well for my system.

Jul 18, 2007 | Hitachi 43UWX10B 43" Rear Projection...

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