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HITACHI DV-RF7U
Service Manual


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

Description of HITACHI DV-RF7U 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 36 (click to view)
Details of Servicing and Troubleshooting > Troubleshooting

Component output error

Progressive output error

CN3-2, 4, 6 on Jack PCB have normal level?

No Check Main PCB

Is there 'P480' Mark on FLT?

No After DVDR is in stop state, push the progressive scan key on the Front panel.

Yes

Yes Check the RCA cable

Analog signals are input normally VIC1 Yes

No

Check the connection between CN3-2, 4, 6 and VIC1

Power is normal at VIC1-1,24, 34?

No

Check the connection between VIC1 and power

Line1 Video Input Error

3 18

Yes
IC801-4 has nomal level? (Jack PCB) No Check the connection between IC801-4 and L1 pin-jack

Video signals of about 1V appear at output jack?

No

Check the connection between VIC1 and output jack
Yes

Yes Check the RCA cable
IC801-21 has nomal level? No IC801-62, 55 of input power

Yes Change Main PCB

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