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PANASONIC PT50LCX63
Service Manual


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

Description of PANASONIC PT50LCX63 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.

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Text excerpt from page 89 (click to view)
Lamp turns off or Lamp does not light up

Note: Before performing the troubleshooting, confirm that all connector cables in the unit are connected to connectors correctly.

1)

POWER LED flashes orange once every 5 seconds.

Are the Fan1, Fan2 and Fan3 operating?

NO Only the Fan1 stops. Only the Fan2 stops. Only the Fan3 stops.

Replace the the ProjectionStill NG, replace Power C.B.A. Unit. Still NG, replace the Main C.B.A. Replace the Projection Unit. Replace the Projection Unit. Replace the Fan3.

2)

POWER LED flashes orange twice every 5 seconds.

Tighten the screw of the Lamp Cover. Still NG, replace the Cover SW (SW2911) on the Cover Switch C.B.A. Still NG, replace the Main C.B.A. Still NG, replace the Projection Unit. Disconnect P2303 connector on the LCD Drive C.B.A. and check if the resistance between pin1 and pin2 of P2811 on the Thermistor 1 C.B.A. is 5k 200k . If NG, replace the Temperature Sensor (R2811) on the Thermistor 1 C.B.A. Still NG, replace the Projection Unit. Still NG, replace the Main C.B.A. Clean the Air Filters on the Projection Unit. Wait until the Lamp has cooled off. Confirm that the Thermal Fuse Unit (115ËC(239ËF)) is not open. Still NG, replace the Lamp. Still NG, replace the Ballast C.B.A. Still NG, replace the Main C.B.A. Replace the Lamp.

TEMP LED flashes once every 5 seconds. 3) TEMP LED flashes twice every 5 seconds. POWER LED flashes red. (flashes green 140 seconds. flashes red.) LAMP LED flashes once every 5 seconds. POWER LED flashes red. (flashes green 140 seconds. flashes red.) LAMP LED flashes twice every 5 seconds. POWER LED flashes red. (flashes green 140 seconds. flashes red.) LAMP LED flashes 3 times every 5 seconds. POWER LED flashes red. (flashes green 140 seconds. flashes red.) LAMP LED flashes 4 times every 5 seconds.

4)

5)

6)

7)

Replace the Ballast C.B.A. If the Lamp does not light up after attempting turning on the power 2 or 3 times, replace the Ballast C.B.A.

8)

9)

POWER LED flashes orange 5 times every 5 seconds. TEMP LED flashes once every 5 seconds. LAMP LED flashes once every 5 seconds. Replace the Power C.B.A. Still NG, replace the Main C.B.A. Still NG, replace the Tuner C.B.A. POWER LED flashes orange 6 times every 5 seconds. TEMP LED flashes 2 times every 5 seconds. LAMP LED flashes 2 times every 5 seconds.

10)

Replace the Power C.B.A. Still NG, replace the Main C.B.A.

11)

12)

13)

POWER LED flashes orange 7 times every 5 seconds. TEMP LED flashes 3 times every 5 seconds. LAMP LED flashes 3 times every 5 seconds. Replace the Power C.B.A. Still NG, replace the Main C.B.A. Still NG, replace the Rear Jack C.B.A. Still NG, replace the Tuner C.B.A. POWER LED flashes orange 8 times every 5 seconds. TEMP LED flashes 4 times every 5 seconds. LAMP LED flashes 4 times every 5 seconds. Replace the Power C.B.A. Still NG, replace the Main C.B.A. POWER LED flashes orange 9 times every 5 seconds. TEMP LED flashes 5 times every 5 seconds. LAMP LED flashes 5 times every 5 seconds. Replace the Power C.B.A. Still NG, replace the Main C.B.A. Still NG, replace the Rear Jack C.B.A. POWER LED flashes orange 10 times every 5 seconds. TEMP LED flashes 6 times every 5 seconds. LAMP LED flashes 6 times every 5 seconds. Replace the Power C.B.A. Still NG, replace the Main C.B.A. TEMP LED flashes 3 times every 5 seconds. Remove P2304 connector on the LCD Drive C.B.A. and check if the resistance between pin1 and pin2 of P2821 on the Thermistor 2 C.B.A. is 5k 1M . If NG, replace the Temperature Sensor (R2821) on the Thermistor 2 C.B.A. Still NG, replace the Projection Unit. Still NG, replace the Main C.B.A. Clean the Air Filters on the Projection Unit. Clean the Air Filters. Still NG, replace the Projection Unit. Still NG, replace the Main C.B.A. Replace the Digital Tuner Power C.B.A. Still NG, replace the DTV Tuner Unit. Still NG, replace the Main C.B.A. Still NG, replace the Tuner C.B.A. Replace the Power C.B.A. or the Main C.B.A.

14)

15) TEMP LED flashes 4 times every 5 seconds.

16)

17)

TEMP LED flashes 5 times every 5 seconds.

18)

POWER LED flashes green all the time.

POWER LED does not flashes or does not light up.

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