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Home >> PIONEER >> KRP-500PBG/WYSIXK5 Service Manual
 
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PIONEER KRP-500PBG/WYSIXK5
Service Manual


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

Description of PIONEER KRP-500PBG/WYSIXK5 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 46 (click to view)
1

2

3

4

A

[2] POWER SUPPLY UNIT
Flowchart of Failure Analysis for The POWER SUPPLY Unit
Failure analysis for the POWER SUPPLY Unit => PP1 STB 3.4 V power is not output.

Is the cable connected firmly to the P7 connector? Yes
B

No

Properly connect the cable between the P7 and M2 connectors.

Is the cable to the P7 connector broken? No Is the fuse (F001) blown? No Is one of the limiting resistor (FR002) blown? No The POWER SUPPLY Unit is normal.

Yes Replace the defective cable (J109).

Check the voltage at the MAIN Assy and POWER SUPPLY Unit.

Yes Replace the POWER SUPPLY Unit.

Yes Replace the POWER SUPPLY Unit.

Check the resistance between D025 cathode and C101 (+), using a tester.

C

Failure analysis for the POWER SUPPLY Unit => PP2

The power is not on, even though the RELAY port is active.

No Is the relay (RY002) on? Yes No Is the PFC voltage normal? Yes
D

Replace the POWER SUPPLY Unit.

� Check the relay operation at the RY002. (Voltage: 3.4 V) � Check the relay sound (click).

Replace the POWER SUPPLY Unit.

� Check the voltage between the C017 (-) and C017 (+). � The voltage must be around 400 V. (340V or less are defective.) Caution: High voltage!

The POWER SUPPLY Unit is normal.

Failure analysis for the POWER SUPPLY Unit => PP3

The cells of the panel do not light normally.

Is the VADR voltage within the specified values? Yes
E

No

Replace the POWER SUPPLY Unit.

The specified voltage values are between 72 and 78 V.

Is there a fluctuation in the VADR voltage? No Is the VSUS voltage within the specified range? Yes Is there a fluctuation in the VSUS voltage? No The POWER SUPPLY Unit is normal.

Yes

Replace the POWER SUPPLY Unit.

The ripple must be within 5 V.

No

Replace the POWER SUPPLY Unit.

The specified voltage values are between 200 and 210 V (VSU: 125/35°C).

Yes Replace the POWER SUPPLY Unit.

The ripple must be within 10 V.

F

46
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KRP-500P
3 4

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