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 !

Thursday, 28 March 2019

SONY KDL22EX550, SONY KDL26EX550, SONY KDL32EX650 LCDTVS - HOW TO ENTER SERVICE MODE AND ADJUSTMENTS

SONY KDL22EX550, Sony KDL26EX550, Sony KDL32EX650 LCDTVs - how to enter service mode and adjustments

Applicable to: Sony KDL22EX550, KDL26EX550, KDL26 EX 553,  KDL26EX555, KDL32EX 653, KDL32EX655 (AEP/UK/IT)
HOW TO ENTER SERVICE MODE
Turn on the main power switch to place this set in standby mode.
Press the buttons on the remote commander as follows, and entering service mode.
DISPLAY > CHANNEL-5 > VOLUME (+) > POWER
SERVICE MODE DISPLAY
Note: First of all, when you enter Service Mode, you can see “Digital” service mode.
Whenever you press “OPTIONS” or “JUMP” on remote, each service mode is changed. “Digital” > “Chassis” > “VPC”
REMOTE COMMANDER KEY FUNCTIONS
Service mode on:  Test + TV / Display 5  Vol Up Power
Service mode off:  Other / Power off + on
Item up / down:  1 / 4
Category up / down:  2 / 5
Data up / down:  3 / 6
Test reset:  8 + Mute + 0
Read data:  9 + 0
Execute:  10 or 0
Write data:  Mute + 0
Change module:  Jump / Option
After entering service mode, then turn off the power switch.
CHANGING THE DATA VALUES
 “Digital” service mode doesn't have to save. (Except “002 MODEL” and “005 CHPRSET” category)
1) Change Data of “Digital” service mode. (Except “003 DIG_SRV_MODE” category)
a. Press “2 / 5” on remote to select (up / down) category.
b. Press “1 / 4” on remote to select (up / down) Item.
c. Press “3 / 6” on remote change (up / down) data.
Change Data of “Digital” service mode. ( “003 DIG_SRV_MODE” category)
“003 DIG_SRV_MODE” is one category of “Digital” service mode. Note because this operation is special.
a. Press “2 / 5” on remote to select “003 DIG_SRV_MODE”.
b. Press “1 / 4” on remote to select (up / down) Item.
c. Press “0 / 10” on remote to select item.
d. Press number key “1”~”9” directly. “*” stamp move.
e. Press “12 / enter / select” to decide and advance next step. Press “return”, when returning on the previous page.
TO SAVE CHANGING DATA
1 Write data for “Chassis” or “VPC” service mode
a. Press “Mute” on remote. It shows green “SERVICE” changes to green “WRITE”.
b. Press “0” or “enter” on remote. Green “WRITE” changes to red “WRITE”. It indicates writing is processing.
c. After a while, red “WRITE” changes to green “SERVICE”. Writing process is done at this point.
2 TV reboot is necessary for applying data change.
WHITE BALANCE ADJUSTMENT
Note: Execute this adjustment if necessary.
Change Data of “VPC” service mode. (“006 WB” category)
a. Press “1” or “4” on remote to select WB adjustment menu.
b. Change data by pressing “3” or “6”. Each range of these items is 0~255.
c. Press “mute” +”0” on remote to save the data. “SERVICE” comment is changed to “WRITE”, indicating writing process.
d. After a while, “WRITE” comment returns to “SERVICE”, which means writing process is done.
VCOM ADJUSTMENT
Note: Execute this adjustment if necessary.
1 Change Data of “VPC” service mode.
a. Select “002 VCOM categories by pressing “2 / 5” on remote.
b. Select “000 ENABLE items by pressing “1 / 4” on remote.
c. Change ENABLE from “0” to “1” to enable VCOM adjustment.
d. Select “002 VCOM categories by pressing “2 / 5” on remote.
e. Select “001 ADJUSTS” item by pressing “1 / 4” on remote.
f. Change data by pressing “3 / 6” on remote controller.
g. Finish the adjustment when the picture seems OK.
Attention  Every time the data changed by pressing “3 / 6” Key, the VCOM pattern will display for 5s and in the mean time OSD will disappear, After the 5s period, VCOM pattern will disappear and OSD will display again.
The 5s time can be adjust by data change.
If pressing the “3/6” key again during the 5s period, the VCOM pattern display time will be extended to another 5s.
TO SET THE SHIPPING CONDITIONS
Move to “Digital” service mode.
Press “8” on remote.  It shows green “SERVICE” changes to green “RST-”.
Press “mute” on remote.
Added green “EXE” after green “RST-” .
Press “0” on remote. Green “EXE-RST” changes to red “EXE-RST”. It indicates writing is processing.  After a while, red “EXE-RST” changes to green “SERVICE”.  And all LED lights.
Writing process is done at this point.
You can set to shipping condition w/o entering Service Mode.
=> “Cursor Up” on remote + “Power Key” on Front panel.
TROUBLESHOOTING CHART
B board and Power board are different in name every inch. Therefore this section displays difference point in "*".
CLICK ON THE PICTURES TO MAGNIFY
Posted By: FRANK at 02:43
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