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SONY PFM50C1
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SONY PFM50C1 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 55 (click to view)
Section 3 Troubleshooting
3-1. Judging Method When Image Does Not Appear
1. Flow chart

Picture does not appear
Check the indication on the indicator in the lower right of the front panel. (STAND BY)

STBY LED flashes

2 times

When error code is detected from panel.

3 times

When temperature increases.

4 times

When 5 V digital system power voltage decreases (2.5 V or less) or becomes excess voltage (6 V or more)

5 times

When 3.3 V digital system power voltage decreases (1.6 V or less) or becomes excess voltage (4 V or more)

6 times

When 6 V analog system power voltage decreases (3 V or less) or becomes excess voltage (7.2 V or more)

1

2

3

6

1

2

0.3 0.3 0.3 0.3 3

When the STBY LED does not flash, the power supply circuit is defective.

2. How to find PDP unit trouble 1) The power voltage for the PDP is supplied correctly. The power voltages are supplied from the switching regulator board CN9002 and CN9003 to the PDP panel. The three types of power voltage that are 5 V, 65 V and 170 V are supplied.

2) The input signal is supplied to the PDP panel correctly. The LVDS signal is supplied to CN01 of the circuit board in the center of the PDP panel. If no images appears through the above conditions are satisfied, the PDP unit will be defective.

PFM-50C1/50C1E

3-1

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