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Hitachi LE42S704 Support Question

Hitachi LE42S704 Support Question

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Question posted by hidden1 on April 2nd, 2012

Pico Fuse On Ultravision

i replaced pico fuse since e994 was not on.Will replacing blue cap ceramic part c707 be the next thing to try? it wont come on and e994 does not light up  when turn on error detector engages .red light blinks . The new picoi replaced  went out after i restarted. Any info  is appreciated

Current Answers

Answer #1: Posted by TVDan on April 3rd, 2012 10:42 PM
This answer was accepted by the poster of the original question.
TVDan

Member since:
August 8th, 2011

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Oh yea, I have seen sometimes the electrolytic capacitor short causing the open fuse. Good job fixing it.

Without the model number I can only generalize about why this fuse blows. It feeds the voltage to both the horizontal deflection and the high voltage section. With a meter you can determine which of the outputs are shorted. Then the tricky part is to determine what failed to make this circuit to short out (causing the fuse to open) Many times if the high voltage section is shorted, one of the CRTs or fly back transformer caused it. If the horizontal deflection output transistor is shorted then it could be one of the yokes, capacitors, diode or pin-cushion circuit.

Essentially, you should have a technician help to diagnose. expect the labor to be around $250 (in shop cost) plus parts


TV Dan
Answer #2: Posted by hidden1 on April 2nd, 2012 3:07 PM
hidden1

Member since:
April 1st, 2012

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fixed it!

was both pico fuse and capacitor!

Related Hitachi LE42S704 Manual Pages

Brochure - Page 2

..., more breathtaking than any other. Experience Hitachi quality. We are refined to perfection. picture and frame are guided by generations of original television engineering and manufacturing. Intro | 2-3 UltraThin LED LCD | 4-7 UltraVision LCD | 8-11 DVD • BD Combo Series | 12-15 Features Explanations | 16-17 Stepchart | 18-19 Flashback | 20-21 Experience Hitachi...
Brochure - Page 3

... (LED) is a highly efficient, environmentally friendly and mercury free light source that delivers a brighter, more dazzling picture with less electricity. ULTRATHIN LED ULTRAVISION LCD HDTV SERIES Simply the ultimate next generation HDTV. LED is the lighting technology of the future, available today. Hitachi LED HDTVs have stunning UltraThin profiles and a unique black pearl...
Brochure - Page 4

...LE42S704 LE22S304 LE19S314 LE19S304 Picture Performance State-of expert television engineering. A USB port is conveniently located on the UltraThin side for supported resolutions 2 Manufactured under license from Real Sound Lab, SIA. The UltraThin and light... UltraVision® LED Series offers 6 high definition inputs, including 4 HDMI® pure digital inputs. The 120Hz panel speed...
Brochure - Page 5

From the stunning Full HD 1080p picture quality to the convenience of up to 8 high definition inputs, UltraVision® delivers superior Hitachi technology in a series of some of the most energy efficient, UltraThin and beautiful televisions ever designed. ULTRAVISION ULTRAVISION LCD HDTV SERIES Simply the ultimate HDTV.
Brochure - Page 6

...; Series offers 7 high definition inputs, including 4 HDMI® pure digital inputs. The UltraVision® Series' thin and light design is framed by the latest 1080p 120Hz LCD technology, creating an incredibly lifelike viewing experience. Hitachi Quality Experience matters. Today's Hitachi televisions are ENERGY STAR® qualified. You can view your photos in a slide...
Brochure - Page 8

... Blu-ray™+LCD Series TVs are the result of over fifty years of expert television engineering. The FullHD 1080p display and integrated Blu-ray™ disc player reproduce high...an elegant appearance. 1 Please see the owners guide for the best possible picture. Today's Hitachi televisions are ENERGY STAR® qualified. Multiple high definition inputs, including 2 HDMI® pure digital ...
Brochure - Page 9

...LE42S704, LE22S314, LE19S314, LE19S304 Clear Sharp Picture Noise reduction technology keeps digital television picture quality sharp and clear. Dialog is the industry standard for you can be turned ... exceptionally sharp, detailed and noise free image. Models: UltraVision models only. Select Models Only. Only Models: LE46S704, LE42S704, LE22S314, L55S604, L46S604, L42S504, L32S504, L32BD304 (...
Brochure - Page 10

...Panel Main Features Description Pixels ULTRAVISION® S704 46" 42" LE46S704 LE42S704 1080p 1920x1080 1080p 1920x1080 Design UltraThin LED UltraThin LED Table Stand Auto Motion Speed Reel120® HDMI® Deep Color Panel... Logo On/Low/Off USB Photo Viewer Intelligent Light Sensor Power LED Brightness Selectable Gamma Dynamic Gamma Blue Only Mode for Calibration Built-in Media DVD/...
Brochure - Page 11

...Ultravision Director's Series with Hybrid Wideneck CRT and Super Contrast Lens. (65XWX20) 2007 World's First 60" Full HD1080 with a picture pausing/storing function. (MV-1) 1981 The world's first Picture- First man on the moon, Neil Armstrong becomes the first man to China. Light... in 2010 HISTORY OF 1956-2010 EXCELLENCE IN TELEVISION MANUFACTURING 1956 Memorable First B/W TV F-100 1961...
Brochure - Page 12

... property of Dolby Laboratories. All trademarks are perfectly optimized. CONEQ™ delivers clear, rich sound using proprietary professional equalizing technology. Closed Caption This television receiver provides display of television closed captioning in accordance with Sec. 15.119 of Real Sound Lab, SIA. Refer to change without the help of a hearing aid. TManufactured...

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