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!

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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

TOSHIBA 32WL46B 32WL46G SERVICE MODE

TOSHIBA 32WL46B 32WL46G SERVICE MODE


  ENTERING TO SERVICE MODE

Procedures
1) Press MUTE key of remote hand unit to indicate MUTE on screen.
2) Press again MUTE key of remote hand unit to keep pressing until the next procedure. (OSD display disappears.)
3) In the status of above (2), press MENU key on TV set.
(2) During service mode, indication S is displayed at upper right corner on screen.
(3) Service mode is not memorized as the last-memory.
TEST SIGNAL SELECTION
The function of VIDEO test signal selection is cyclically changed with VIDEO key (remote unit) in Service mode.
Test signal No.
Name of pattern
0
Signal OFF
1
NTSC All Red signal
2
NTSC All Green signal
3
NTSC All Blue signal
4
NTSC Cross hatch
 5
NTSC All white signal
 6
PAL All Red signal
7
PAL All Green signal
8
PAL All Blue signal
 9
PAL Cross hatch
10
PAL All white signal
0
Signal OFF
SERVICE ADJUSTMENT
(1) ADJUSTMENT MENU INDICATION ON/OFF : MENU key(on TV set)
(2) During display of adjustment menu,the followings are effective.
1) Selection of adjustment item : POS UP/DN key (on TV/Remote unit)
2) Adjustment of each item : VOL UP/DN key (on TV/Remote unit)
3) Direct selection of adjustment item R CUTOFF : 1 POS (Remote unit) G CUTOFF : 2 POS (Remote unit) B CUTOFF : 3 POS (Remote unit)
4) Data setting for PC unit adjustment SUB CONTRAST : 4 POS (Remote unit) SUB COLOR : 5 POS (Remote unit) SUB TINT : 6 POS (Remote unit)
5) Screen adjustment mode ON/OFF: Previous
6) Test signal selection: VIDEO (Remote unit)
* In service mode, serviceable items are limited.
(3) Self check display : 9 POS (Remote unit)
* Cyclic display
(4) Initialization of memory (QA02 E2PROM) : CALL (Remote unit)+POS UP(TV)
Causion : All data of memory IC (including factory setting value) is initialized by this operation. (Replacement of memory IC is required.)
(5) Initialization of self check data : CALL (Remote unit)+POS DN(TV)
(6) BUS OFF : CALL (Remote unit)+VOL UP(TV)
Executing Self Diagnosis Function
Procedures
(1) Set to service mode.
(2) Pressing “9” key on remote unit displays self diagnosis result on screen. Every pressing changes mode as below. SERVICE mode SELF DIAGNOSIS mode M2 System version info Version check(QA01,QM24 etc)
(3) To exit from service mode, turn power off.
Posted By: FRANK at 12:51
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