Traouble Shooting; Trouble Shooting - Pioneer DVD-V7400 Service Manual
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Also See for DVD-V7400:
- Command protocol manual (113 pages) ,
- Operating instructions manual (88 pages) ,
- Software manual (39 pages)
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DVD-V7400, DVD-V7300D
7.1.4 TROUBLE SHOOTING
• No Power ON
START
Power ON
Turn on the power again
after 2 - 3 minutes.
No
Is tray open ?
Yes
No
Do the video and
sound come on ?
Yes
OK
58
• Blow out fuse of the primary side
• Blow out micro-fuse on the POWER SUPPLY Assy. (Check the each voltage.)
(P211, R711)
• MODE controller IC (IC101) on the SUBB Assy is damaged.
• Blow out micro-fuse on the POWER SUPPLY Assy.
(R711)
• Check the connection between LOSB Assy and DVDM Assy.
(12P flexible cable)
• Check the +6V power supply voltage (above micro fuse).
Check the connection between JACB Assy and DVDM Assy.
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