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 !

Tuesday 19 March 2019

HOW TO CONTROL TV BY PERSONAL COMPUTER - SHARP LC-32GA8 – LC-32BV8 – LC-37GA8 – LC-37BV8 - LCD TV

HOW TO CONTROL TV BY PERSONAL COMPUTER - SHARP LC-32GA8 – LC-32BV8 – LC-37GA8 – LC-37BV8 - LCD TV



PC CONTROL OF TV
   When a program is set, the TV can be controlled from the PC using the RS-232C terminal. The input signal (PC/video) can be selected, the volume can be adjusted and various other adjustments and settings can be made, enabling automatic programmed playing.  Attach an RS-232C cable cross-type (commercially available) to a 9 pin D-sub/MINI-DIN (optional:AN-A1RS) for the connections.
NOTE: A person who is accustomed to using PCs should use this operation system.
Communication conditions
   Set the RS-232C communications settings on the PC to match the TV’s communications conditions. The TV’s communications settings are as follows:
  • Baud rate: 9,600 bps
  • Data length: 8 bits
  • Parity bit: None
  • Stop bit: 1 bit
  • Flow control: None.

Communication procedure
   Send the control commands from the PC via the RS-232C connector.  The TV operates according to the received command and sends a response message to the PC.  Do not send multiple commands at the same time. Wait until the PC receives the OK response before sending the next command.
COMMAND FORMAT
PARAMETER
Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that four values are input for the parameter.)
When the input parameter is not within an adjustable range, “ERR” returns.
COMMANDS
CLICK ON PICTURES TO ZOOM IN
NOTE: 
If an underbars  (_) appears in the parameter column, enter a space.
If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS.