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Hitachi 46w500 how can i find cold solder connection on Crystal XY06 off pin 10 of IC IY04, Terminal pwb.on my hitachi 46w500

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Good Day, reddragon244;
You may not be able to see the cold solder connection, just go ahead and solder both connections on the Crystal.
Good Luck, big IRISH.

Posted on Aug 19, 2008

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Model -46w500


you can download or read your manual in this link
http://www.manualowl.com/m/Hitachi/46W500/Manual/72521
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I have a hitachi 62in. Model # 61swx10b My sound has gone out what can i do or check to fix it?


There is most likely an issue with the Surround PWB since you have the DP17 chassis. I would check the following items on the surround board. I have seen them all several times with the DP17

IT02 Shorted, pins 92 and 93 caused by Solder splash. IT02 Is also known to fail. Also pins 42, 43, & 44 have been known to have cracked solder
IT05 pins 20 & 21 shorted also Seems to have been caused by too much solder.

IS13, pins 1 & 2 shorted ( too much solder

Also check for cracked circuit trace patterns under IT05If you need further assistance let me know.

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Hey people! I may be getting a free 42'' Hitachi flat screen. The person says the picture shrinks from time to time. Any ideas, or is the problem to vague to really get an idea? Thanks! p.s. Sorry I do not...


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1 Answer

The picture is rolling up horizontally from the


Ok, I own the exact same set--it uses a Vertical output IC located near the front of the main board number on it is LA7638--cheap part.
if you pull off the front speaker grill and remove the inspection plate you will see it almost dead center and a little to the left screwed into a small metal plate with fins--that is a heat sink--lots of these sets had or developed bad solder connections on the pins of this ic---the way I found mine was to remove the speaker grill and inspection plate and with a non metal plastic handle from a screwdriver tapped on the heatsink when the set acted up--if it clears up when you tap on it you have bad solder connections on the IC---if I remember it has 13 pins---with the trouble to get the board out to solder it up I just replaced it with a new one--the part can be purchased for less then 5 dollars at most electronics parts dealers or on the internet---My other Hitachi is a 1991 60 inch model and it has never given me any problems--by the way the 50 in the model number means it is a 50 inch set.
If this helps you give me a vote here--I do this for free--good luck.

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1 Answer

Hitachi 46W500 loses video after 10 seconds when connected to motorola HDPVR using HDMI/DVI cable. Works with Yb Yr...ideas?


Check your setup in HDPVR lower resolution to 720P or 1080I or check HDMI cable adaptor or set your Hitachi on auto detection video in MENU
Good luck

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1 Answer

I have a hitachi projection tv model 46w500. my problem is that when im watching cable, or anything for that matter the picture starts flashing rgb colors, or it show black distorted colors.


Good Day, reddragon;

TRY THIS:
Symptom: Flashing different colors, R, G, B.
Cause: Check for cold solder connection on Crystal XY06 off pin 10 of IC IY04, Terminal pwb.

i HOPE THIS HELPED, big IRISH.

Aug 12, 2008 | Projection Televisions

1 Answer

No sound on analog inputs, digital sound is ok


1) IT02 Shorted, pins 92 and 93
Cause: Solder splash
2) IT05 pins 20 & 21 shorted.
Cause: Seems to have been cause by too much solder.
3) IT02 was found to be defective.
Cause: Defective component.
4) IS11 missing circuit trace.
Cause: Caused by some one that replaced/removed this IC previously.
5) IT02 solder, pins 42, 43 & 44
Cause: Two boards found with these same pins with cracked solder
6) IS13, pins 1 & 2 shorted
Cause: Seems to have been cause by too much solder.
7) Audio Quits when board is tapped.
Cause: Soldered all IC's on bottom of board. Also soldered IT04, I516, I517, I510, I501.
8) Also, please resolder IT05 and IT06
9) Check for cracked patterns under IT05

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1 Answer

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Thats an awful big television, check the retrace cap and solder connections on the horizontal drive components.

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