REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Friday, 1 March 2019

HITACHI HTS - HTD-K180UK - HTD-K180E – SCHEMATIC

Hitachi HTS - HTD-K180UK - HTD-K180E – Schematic

Hitachi Home Theater System – Circuit Diagram and Software Update
UNIVERSAL SERVICE PASSWORD: Universal Password for Parental level is 1369
VERSION PAGE (Hidden Menu)
To see Version Page
> Press DISPLAY button from remote for Setup Menu
> Press “1”-“3” -“5”-“7” at Setup Menu
> Setup Menu screen refresh and “Version” selection can be seen under “Preferences Setup”
> Select “Version” for version page
> BUILD NO contains version and Hardware option other information for development only.
> Press “DISPLAY” button on remote control to exit menu.
VFD FULL SEGMENT TEST MODE
During Pressing “STOP” button on Front Pannel if you press Standby button all segments of VFD are highlighted.
REGION MANAGEMENT
At Version page by using arrow keys Region can be changed. 
UPDATE FILE NAME
Proper Update file name can be learned from Version Page as follows
First Characters of DAC, LOADER, TUNER and LANGUAGE group gives proper update file name.
Example: CFK.bin
Circuit Diagram
SMPS
Audio Processor
Audio Output
Control Panel
Click on the schematics to zoom in
CD UPDATE PROCEDURE
1) Player can be updated automatically with Update CD which contains proper file.  Check hidden menu for update file name.
2) Burn CD* within proper update file
3) There should be no Volume Name for CD.
Open Tray and place update CD
4) You can see
5) Press Play button to start upgrade
6) You can see “File copying” OSD message for a few second
7) Tray is open automatically
8) No need for CD in tray; Take it from away
9) During upgrade procedure “CD upgrade start, Please wait..” indicator at OSD, and “UPG” indicator at VFD
10) Upgrade procedure takes about a few minutes, please wait if tray is open
11) When CD update is finished tray is closed, screen is refreshed, update is finished
NOTE: * For “NERO Burning Rom” program
Ideal configuration:
Multisession selection should be “No Multisession”
File format should be “ ISO9660”. Do not use “Joliet”
It is better to erase with “Quick Erase” if you use CD-RW before burning
There should be no Volume label
It may be better to put some dummy files sn CD update file.
Pay attention the left side. Select CD and CD_ROM (ISO) on the upper left side of screen.
Select No Multisession
Format is Mode 1
Leave the dates as it is
Click the “New” on the upper right corner of the screen.
Select your file from file browser then you will see your file in the “Name” section on the right side and then copy the files to under “Name” section on the left side.(this is just an example you will see your file name when you are doing this process)
Click the “Burns the current compilation”
Then you will see this screen and click the “Burn” on the right upper side of screen.
You will see this screen and tray will open itself on computer ,then place the CD in CD-ROM And it will start writing. At the end you will see “burn completed”
Posted By: FRANK at 04:40
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