Has anyone got the regional code for a lg dvd player bh7520tw
SOURCE: Phillips Home Theatre System
to play discs from different regions on HTS3548:
Before you begin, ensure you have connected your DVD player to your TV and both have the power on. Once you have connected the TV, follow the instructions below.
-- Open the disc tray
-- On the remote control, press in sequence:
Disc Menu
Stop
7 3 4 4 6 6 0
OK
-- Make sure Region 0 is showing on the TV.
This should hopefully help!!!!
SOURCE: DVD load / eject problem
This is a solution to all those who have either a DVD which
does not load and which cannot be ejected and also to those who have the system
stuck in MP3 mode. The solution is the same for both problems. Unfortunately
due to the design of the HTS6510 it’s not a simple job but if you are methodical
and take your time then most people should be able to do it.
I personally think
the problem stems from dust building up on the laser. I noticed that the
extraction fan at the back of the unit draws air, partly, in from the front
slot and over the DVD and (Sony) laser.
Anyway I’ll talk you through what I did but please be aware
that this is not a screw by screw, connector by connector account.
You’ll need a small torx screwdriver (the unit is put
together almost exclusively with a single torx screw size), a very small Phillips screwdriver and a pair
of snipe nosed pliers. Also a couple of small bowls to hold the screws in will
be a good idea.
Firstly make sure the unit is disconnected from the mains.
Then begin by undoing the four torx screws
at the back of the unit which are holding the cover on. Then remove the silver
plastic side sections by sliding them towards the back of the unit. Under these
you’ll see two more torx screws to be removed on each side. Remove these and
you can then remove the top cover.
Have a look at the first attached picture. You should see
the same thing with the lid off the box. I’ve labelled all of the assemblies up.
There are four circuit boards which are arranged two on the top and two
underneath these. You will be removing the top two (Audio amplifier board and
the power supply board).
The aim of the game is to move the front section (the bit
with all the control buttons on) away from the main section so that you can get
access the to the DVD housing (this is the player unit where your DVD is
housed). The front section is attached to the main section by four plastic clips
(the plastic barb to metal slot type). Two are accessed from the base of the
unit and more on each side. Don’t unclip these yet because the circuit boards are
attached by ribbon cables which attach to the front of the unit . It is these
ribbon cables which must be disconnected before the front can be unclipped and
access can be got to the DVD unit. There are also a couple of bonding leads
which attach the front of the unit to the ain chassis. These have small spade
(push on) connectors and are very simple to remove.
You don’t need to disconnect all of the ribbon cables – just
enough for you to be able to swing the front of the player out of the way. Make sure you mark any connectors which you
disconnect in some way so you remember where they connect to when you
re-assemble the unit. I used a permanent marker to put a series of dots on the
ribbon end of the connector and board end of the connector. (i.e. one dot on
each denotes a pair, the next pair has two dots etc etc.)
Some of the leads which you will need to disconnect are
attached to the two processor boards
which sit below the two uppermost circuit boards. Gain access to these by
removing the four screws (one on each corner) holding the power supply board onto
its mounting (there is also a nylon support in the middle of the board –
squeeze it with a small pair of pliers to release the board).
Next remove the black plastic insulator sheet below the
board. With this board removed, the metal shelf which the Audio amplifier board
is attached to can now be removed. Note that some of the screws on the external
back of the unit will also need to be removed before you can do this. You don’t
need to take the audio amplifier board off the shelf – just remove the shelf
and audio amplifier board together.
You should now have an assembly which looks like my second
picture. As with the top two boards unplug the connectors on the boards to
allow the front section of the dvd player to be moved away from the main part
of the system. Again don’t forget to mark the connectors so you know how to
re-connect them.
If you have got this far you are doing very well! I then undid the four screws holding the dvd
housing and unshipped the entire housing, but with hindsight this wasn’t
necessary. There are four Phillips screws holding the top cover of the DVD
housing on. Remove these with your Phillips screwdriver and lift off the lid.
You can now remove the DVD / CD. At the same time carefully
remove any dust which has accumulated in the DVD housing. Take care not to
damage the delicate lens or its assembly. I used a dry cotton bud but a blast
of dry air or a lens cleaning brush would be an even better choice.
Once the dust is removed refit the cover the DVD housing and
assembly is basically a reversal of the dismantling. Once its all back together
switch on and they system will be back to normal. If it doesn’t switch on –
open it up and recheck your connectors – most likely one of them isn’t properly
engaged.
SOURCE: I have a sony DAV DZ230 home theatre system
Push Power Protect is error sign when unit got problem in Power Amplifier section.
Let me know if you have electronics repair experience to help you further as I have all necessary info and schematics of DAV-DZ230 home theater system.
SOURCE: why does push power protector keeps flashing in
This is an error massage and comes when home theater got some internal problem specially in amplifier output section that can have defective output IC etc.
It is not user level repair and requires qualified tech for fix.
Thanks.
SOURCE: how to turn off demo mode on a sony home theatre system davhdx265
Here is the manual:
http://www.docs.sony.com/release/DAVHDX265.pdf
See page 18 for illustrated instructions for turning demo mode on or off.
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