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 !

Monday 11 March 2019

HITACHI 26LD6200 - 32LD6200 - 26LD6200IT SERVICE MODE AND POWER SUPPLY CIRCUIT

HITACHI 26LD6200 - 32LD6200 - 26LD6200IT SERVICE MODE AND POWER SUPPLY CIRCUIT

HITACHI 26LD6200 / 32LD6200 / 26LD6200IT 

LCD TV

SERVICE MODE AND POWER SUPPLY CIRCUIT 

SERVICE MENU SETTINGS
All system, geometry and white balance alignments are performed in production service mode. Before starting the production mode alignments, make sure that all manual adjustments are done correctly.
To start production mode alignments enter the MENU by pressing “M” button and then press the digits 4, 7, 2 and 5 respectively.
There are 3 submenu in service menu. These are display, calibration and deinterlacer menus. Press “◄/►” buttons to select a menu title and then “▲/▼” buttons to select a menu item and “◄/►” or “OK”buttons to set the menu item to the desired option.
To exit the service menu press “M” button.
display menu
By pressing “◄/►” buttons select the first icon. display menu appears on the screen.
blank color
By pressing c/d button, select blank color. Press e/f button to set the blank color. The options are: black, red, green and blue.
panel
Displays panel resolution
power on time
Displays total working time of the set
backlight on time
Displays total backlight on time of the set.
scart prescale
By pressing c/d button, select scart prescaler. Press e/f button to set the scart prescaler. Scart prescale can be adjusted between 0 and 127.
nicam prescale
By pressing c/d button, select nicam prescaler. Press e/f button to set the nicam prescaler. Nicam prescale can be adjusted between 0 and 127.
fm/am prescale
By pressing c/d button, select fm/am prescaler. Press e/f button to set the fm/am prescaler. Fm/am prescale can be adjusted between 0 and 127.
subwoofer corner
By pressing c/d button, select subwoofer corner. Press e/f button to set the subwoofer corner. Subwoofer corner can be adjusted between 0 and 7.
subwoofer level
By pressing c/d button, select subwoofer level. Press e/f button to set the subwoofer level. Subwoofer level can be adjusted between 0 and 32.
agc adjustment
Adjustment for automatic gain control of tuner. By pressing c/d button, select agc adjustment. Press e/f button to set the agc adjustment. Agc adjustment can be adjusted between 0 and 31.
calibration menu
By pressing “◄/►” buttons select the second icon. calibration menu appears on the screen.
color temp
By pressing c/d button, select color temp. Press e/f button to set the color temperature. The options are: 5500K, 6500K, 7500K, 9300K and user.
user color temp
By pressing c/d button, select user color temp. Press f button to increase the user color temperature. Press e button to decrease the user color temperature. User color temperature can be adjusted between 5000K and 9300K.
video format
By pressing c/d button, select video format. Press e/f button to set the video format. The options are: auto, ntsc, pal, secam and ntsc japan.
color space
Displays the current color space used. RGB, YPbPr SMPTE240, YPbPr REC709 and YCbCr REC601.
test pattern
By pressing c/d button, select test pattern. Press e/f button to set the test pattern. The options are: none, solid color and vert bars.
color components
By pressing c/d button, select color components. Press e/f button to set the color components. The options are: all, red, green and blue.
solid field level
By pressing c/d button, select solid field level. Press f button to increase or e button to decrease the solid field level. Solid field level can be adjusted between 0 and 64.
adc calibration
Not used for this model.
initial APS
By pressing c/d button, select initial APS. Initial aps is selected on or off. If initial aps is wanted on startup, this item should be made on.
factory reset
By pressing c/d button, select factory reset. Press “OK” button to return to the factory setting values.
Deinterlacer menu
By pressing “◄/►” buttons select the third icon. deinterlacer menu appears on the screen.
blank expansion
By pressing c/d button, select blank expansion. Blank expantion can be set to on or off by pressing e/f button.
dcti
Digital colour transition improvement: By pressing c/d button, select dcti. DCTI can be adjusted between 0 and 255 by pressing e/f button.
dlti
Digitial luma transition improvement: By pressing c/d button, select dlti. DLTI can be adjusted between 0 and 255 by pressing e/f button.
luminance peaking
By pressing c/d button, select luminance peaking. Luminance peaking can be set to on or off by pressing e/f button.
film mode
By pressing c/d button, select film mode. Film mode speed can be set to on or off by pressing e/f button.
film mode speed
By pressing c/d button, select film mode speed. Film mode speed can be set to 0, 1, 2 or 3 by pressing e/f button.
vof
video on film. By pressing c/d button, select vof. VOF can be set to on or off by pressing e/f button.
bad cut
By pressing c/d button, select vof. Bad cut can be set to on or off by pressing e/f button.
nr threshold
By pressing c/d button, select nr threshold. Nr threshold can be set to low or high by pressing e/f button.
noise reduction
By pressing c/d button, select noise reduction. Noise reduction can be adjusted between 0 and 255 by pressing e/f button.
lai level
By pressing c/d button, select lai level. Lai level can be set to 0, 1 or 2 by pressing e/f button.
sharpness
By pressing c/d button, select sharpness. Sharpness can be adjusted between 0 and 255 by pressing e/f button.
sparkle
By pressing c/d button, select sparkle. Sparkle can be adjusted between 0 and 255 by pressing e/f button.
POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN
Posted By: FRANK at 13:08
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