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Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 23512
Experience:  Custom home theater installer, authorized dealer top brands.
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I have a hitachi 42 inch tv that seems to have two problems.

Resolved Question:

I have a hitachi 42 inch tv that seems to have two problems.
1st the sound level is very muffled through the hdmi cable and I would like to know if I can fix this?
2nd the TV does not stay on the hdmi channel extension so after switching back on each time, I need to go through the 6 channel extensions to find the hdmi feed. Can the channel extension 6 be set as the default?
The model is the 42 pd 6600
Submitted: 3 years ago.
Category: TV
Expert:  Nathan replied 3 years ago.

Nathan :

Hello, I’m Nathan, and I’ll be assisting you today. My livelihood depends on your positive feedback, so your satisfaction is my highest priority.

Nathan :

Hi there, sorry to hear your'e having trouble,

Nathan :

there are a few possible causes of this issue,

Nathan :

It may just be a firmware glitch (which we can try to reset),

Nathan :

or it may be a hardware problem (bad main board, not processing hdmi inputs properly)

Nathan :

The one thing you can try yourself here is a factory reset of the set

Nathan :

that is done by going into the service menu

Nathan :

note that this menu is not intended for consumer use, it is for technicians, so you must be very careful not to alter any settings or you could permanently damage the tv.

Nathan :

Press the MENU button on the remote, then type 4725

Nathan :

this brings up the service menu

Nathan :

go to Options,

Nathan :

then look for the Factory Reset option and execute that

Nathan :

If the problem still persists after this, you could try an alternate connection instead of hdmi (like component/composite),

Nathan :

and failing that, you'd be looking at repairs that quite frankly would not be practical, as you'd spend more to fix this set than it is worth for a model of this age - you could buy a new tv for less.

Customer: I have tried to reset but seems like I still can't programme the extension 6 to be the default
Nathan :

That isn't a programming function,

Nathan :

though it is supposed to return to the last source used by default,

Nathan :

since that isn't happening, that is why I was suspecting a hardware problem as well as because of the sound issue

Nathan :

did the reset help with the sound?

Customer: It didn't unfortunately
Nathan :

Okay, that would tend to confirm a hardware issue as well then.

Nathan :

So at this point you can fall back to the analog connections as an alternative, to see if they work any better

Nathan :

otherwise, you'd be looking at repair/replacement

Customer: Ok thanks
Nathan :

You're welcome, and I'm sorry there isn't a better answer here. Though at over 8 years old, this set has had a pretty good run.

Nathan :

If you would like some help though with finding parts, finding a local shop, or replacement model recommendations, just let me know.

Nathan, Installer
Category: TV
Satisfied Customers: 23512
Experience: Custom home theater installer, authorized dealer top brands.
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