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 8 April 2019

SONY STR-DE 245 - DE 345 - RESET PROCEDURE – FLD CHECK

Sony STR-DE 245 - DE 345 - reset procedure – FLD check



Sony FM-AM RECEIVER - Sony STR-DE 245 - DE 345 – Factory reset procedure – FLD check
Sony STR-DE245 - DE345
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
While depressing the TUNER and the VIDEO buttons simultaneously, press the power [POWER] button to turn on the main power. The model name, destination and the software version are displayed.
FLUORESCENT INDICATOR TUBE TEST MODE
# All fluorescent segments are tested. When this test is activated, all segments turn on at the same time, then each segment turns on one after another.
Procedure:
While depressing the TV/SAT and the CD buttons simultaneously, press the power [POWER] button to turn on the main power.
1. All segments turn on.
SET UP, SOUND FIELD, BASS BOOST and MUTING LED turn on.
2. Press the VIDEO button, confirm display BASS BOOST, MUTING, SET UP and NAME LED turn on.
3. Press the VIDEO button, confirm display SOUND CONTROL LEVEL, SOUND CONTROL SUR and SOUND FIELD LED turn on.
4. Press the VIDEO button, All segments turn off.
5. Every pressing of the VIDEO button turns on each segment one after another in the following order.
(Not only the VIDEO button, but also the other buttons such as TV/SAT, MD/TAPE, CD, TUNER can be used.)
FACTORY SET MODE
All preset contents are reset to the default setting.
Procedure:
While depressing the VIDEO and the CD buttons simultaneously, press the power [POWER] button to turn on the main power. The message FACTORY appears and the present contents are reset to the default values.
ALL CLEAR MODE
All preset contents are cleared when this mode is activated. Use this mode before returning the product to clients upon completion of repair.
Procedure:
While depressing the TUNER and the MD/TAPE buttons simultaneously, press the power [POWER] button to turn on the main power. The message INITIAL appears and initialization is performed.
SURROUND CLEAR MODE
The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon completion of repair.
Procedure:
While depressing the SOUND FIELD ON/OFF button, press the power [POWER] button to turn on the main power. The message SURR CLR appears and initialization is performed.
AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE
Either the 9 kHz step or 10 kHz step can be selected for the AM channel step.
Procedure:
Set the FUNCTION to AM. Turn off the main power.
While depressing the TUNING+ button or the PRESET+ button, press the power [POWER] button to turn on the main power. Either the message AM 9 k STEP or AM 10 k STEP appears. Select the desired step.
KEY CHECK MODE
Button check
Procedure:
While depressing the MD/TAPE and the CD buttons simultaneously, press the power [POWER] button to turn on the main power.
“RES 36 KEY” appears.
Every pressing of any button other than [POWER] and SPEAKERS counts down the buttons. The buttons which are already counted once are not counted again. When all buttons are pressed “RES 00 KEY” appears.
When MASTER VOLUME is rotated in clockwise direction, “VOL MIN”, “VOL 1” to “VOL 30”, “VOL MAX” appear.
Posted By: FRANK at 04:39
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