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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Wednesday 27 March 2019

SANYO C21LF37-00 _ SERVICE MODE & ADJUSTMENTS

SANYO C21LF37-00 _ SERVICE MODE & ADJUSTMENTS



EEPROM [IC802] REPLACEMENT AND ADJUSTMENTS

  • When IC802 (EEPROM) is replaced, IC801 (CPU) will automatically write the initial reference data into IC802 for basic TV operation.  However, the bus data should be checked and some bus data should be set up before attempting the service adjustments. 
INITIAL BUS DATA SETUP

Note: When IC802 (EEPROM) is replaced, following Service Menu should be set up for proper TV operation before attempting the service adjustments.

NO.01 RFAGC (Adjust the data 06 to10).
NO.05 V-SCO (Adjust the data 17 to 11).       
NO.06 V-LIN (Adjust the data 15 to 16).         
NO.11 VLI60 (Adjust the data +1 to 0).           
NO.19 RDRIV (Adjust the data 63 to 64).        
NO.20 GDRIV (Adjust the data 07 to 08).        
NO.21 BDRIV (Adjust the data 63 to 64).        
NO.24 B-YD (Adjust the data 10 to 08).          
NO.25 R-YD (Adjust the data 10 to 08).         
NO.68 AFCAV (Adjust the data 00 to 01).       
NO.81 POMT (Adjust the data 12 to 08).        
NO.82 CHMT (Adjust the data 12 to 05
NO.84 RELAY (Adjust the data 80 to 20).      
NO.85 CCD (Adjust the data 26 to 31).           
NO.300 R00 (Adjust the data FF to 93).          
NO.301 R01 (Adjust the data FF to 0E)
NO.302 R02 (Adjust the data FF to 00).        
NO.303 R03 (Adjust the data FF to 00).         
NO.304 R04 (Adjust the data FF to 01)
NO.305 R05 (Adjust the data FF to 00)
NO.306 R06 (Adjust the data FF to 00)
NO.307 R07 (Adjust the data FF to 00)
NO.308 R08 (Adjust the data FF to 21)
NO.309 R09 (Adjust the data FF to 95)
NO.310 R10 (Adjust the data FF to 50)
NO.311 R11 (Adjust the data FF to 00)

NO.371 R71 (Adjust the data FF to 00)
NO.372 R72 (Adjust the data FF to A2)

SERVICE ADJUSTMENT - 1

TO ENTER SERVICE MENU
  • While pressing the MENU button on the television, press the Number Key 2 on the remote control unit.  The Service Menu now appear.
ADJUSTMENTS
  • Press the Cursor ▲/▼ or CHANNEL UP/DOWN button on the remote control handset to select the desired service menu item you want to adjust.
  • Use the Cursor + / - or VOLUME + / - button to adjust the data. The + or - button will increase or decrease the data sequentially.
TO EXIT SERVICE MENU
  • Press the MENU button to turn off the Service Menu display.  The data that is set in the service mode is stored into the memory IC automatically.
SERVICE ADJUSTMENT - 2 [MTS ADJUSTMENT]
  • TO ENTER SERVICE MENU: While pressing the MENU button on the television, press the Number Key 3 on the remote control unit. The Service Menu now appear.
  • ADJUST:  Press the Cursor ▲/▼ or CHANNEL UP/DOWN button on the remote control handset to select the desired service menu item you want to adjust.
  • Use the Cursor + / - or VOLUME + / - button to adjust the data. The + or - button will increase or decrease the data sequentially.
TO EXIT
Press the MENU button to turn off the Service Menu display.  The data that is set in the service mode is stored into the memory IC automatically.
Posted By: FRANK at 04:53
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