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 !

Saturday 16 March 2019

PANASONIC TX W32D4DP – HOW TO ENTER SERVICE MODE - 32” TV – HOW TO OPEN – ADJUST – DISASSEMBLE

PANASONIC TX W32D4DP –

HOW TO ENTER SERVICE MODE -  32” TV – HOW TO OPEN – ADJUST – DISASSEMBLE


DISASSEMBLE PROCEDURE
Remove 10 screws shown, to remove back cover.
Control locations
Click on pictures to Zoom.  

CHASSIS SERVICE POSITION
  • Hold and lift the rear of the E-PCB chassis and gently pull the chassis toward you, as shown.
  • Release the respective wiring clips and rotate the chassis vertically through 90°, anti-clockwise.
  • Locate the base of the chassis frame into the hole (B)
  • Clip the chassis frame onto the bead clamper
  • After servicing replace the bead clamper and ensure all wiring is returned to its original position.
ADJUSTMENTS
Item / Preparation
Adjustments
+B SET-UP
1. Receive a Grayscale signal.
2.  Set the controls:-Brightness Minimum
Contrast Minimum
Volume Minimum
1. Confirm the following voltages.
D-Board E-Board
D3 PIN5 147V ± 3V U8A E19-PIN8 8V ± 0,5V
D12 PIN5 5V ± 0,3V U9 IC3801-PIN39V ± 0,5V
D13 PIN1 40V ± 4V U12 E22-PIN8 12V ± 0,5V
D3 PIN4 230V ± 10V STD5VE26-PIN4 5V ± 0,5V
D3 PIN4 205V ± 10V U15 E23-PIN8 15V ± 1V
D3 PIN4 190V ± 10V U15 E23-PIN9 -15V ± 1V
D3 PIN4 190V ± 10V U33 E22-PIN10 33V ± 4V
D14 PIN5 5V ± 0,5V U40 E24-PIN1 40V ± 3V
D12 PIN7 15V ± 2V U5B E19-PIN5 5V ± 0,5V
D12 PIN9 15V ± 2V
D11 PIN8 12V ± 2V
D11 PIN1033V ± 3V
Cut Off
1. Receive grayscale signal.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Cut off mode.
Adjust the screen VR until the display shows "O.K."
FACTORY SETTINGS
To return customer settings to factory settings and clear owner ID of all information input by the customer, enter Self-Check mode. Press the down (-/v) button on the customer controls at the front of the TV set, at the same time pressing the STATUS button on the remote control.
To exit Self Check, switch off the TV set at the power button.
SELF CHECK MODE DISPLAY
Self-Check should only be used when refurbishing the TV set and not during normal repair work.
Self Check is also used to automatically check the bus lines and hexa decimal code of the TV set. If the CCU ports have been checked and found to be incorrect or not located then " - - "will appear in place of" O.K.". For more in-depth TV diagnostics use the LUCI interface listed below.
To aid in the service of current chassis there are a number of Service Aids which have been made available.
LUCI interface kit (Linked Utility Computer Interface)
Part number:TZS6EZ002
This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As new models are introduced upgrade software will be come available.
VICI (Visual Interactive Computer Information)
These C.D.'s contain multimedia documentation providing quick access to service information.
Part No. TZS7EZ006 & TZS7EZ005
Service Manuals
Instruction Books
Technical Information
TASMIN (Technically Advanced System for Multimedia Interactive Notes)
As well as providing a first step towards more interactive training this product also achieves quick access to Technical Information.
Posted By: FRANK at 07:20
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