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The Manual was perfect.
The deliverie was perfect.
Thanks
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Found website easy to use and manual very clear. First class service
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The quality is quite good and clear. Nothing of the informations inside is lost during the digitalizing process
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Very good service, fast downloads and good manuals.
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Good qulity. Even as it is an old manual (from 1991-1992) it has a good scanned quality and is complete, including user's manual, disassembly intructions, diagrams and schematics, ajustments, troubleshooting and parts list, as usual with SONY manuals and Owner-manuals service.
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7.1.10 DIAGNOSIS OF THE MAIN ASSY
Power ON
A
Does a desired screen appear when selected a tuner? Yes
No
1 Failure in the periphery of CN2301 (Poor contact with the TUJB Assy.) 2 Failure in the periphery of CN2401 (Power supply is not supplied from the POWER SUPPLY Unit.) 3 Failure in the periphery of IC4504, IC4507, IC4511 and IC4512 (Power supply is not supplied to each IC.) 1 Failure in the periphery of CN2301 (Poor contact with the TUJB Assy.) 2 Failure in the periphery of IC3101 (Failure in the periphery of AUDIO ADC for input audio.) 3 Failure in the periphery of IC3201 (Failure in the periphery of AUDIO DAC for output audio.)
No
Does a desired audio output it? Yes
B
No
No
Video recording and playback by HDD
Can the video recording and playback of HDD? Yes Video recording and playback by DVD
C
No
1 Failure in the periphery of CN3801 (Poor contact with the HDD.) 2 To the HDD check mode
No
Does the tray open?
No
1 Failure in the periphery of CN601 (Poor contact with the FRONT Assy.) 2 Failure in the periphery of IC501 (Failure in the periphery of the Driver IC.)
Yes Insert a disc and close the tray, then playback it
Do recognize a disc?
D
No
1 Failure in the periphery of CN101 (Poor contact with the Pickup Assy.) 2 Failure in the periphery of IC101 (Failure in the periphery of the RF IC.) No 3 Failure in the periphery of CN501 (Poor contact with the SPDL.) 4 Failure in the periphery of CN502 (Poor contact with the STEPPER.)
Yes 1 Failure in the periphery of CN2301 (Poor contact with the TUJB Assy.) 2 Failure in the periphery of IC3101 (Failure in the periphery of AUDIO ADC for input audio.) 3 Failure in the periphery of IC3201 (Failure in the periphery of AUDIO DAC for output audio.)
Do play back desired video and audio? Yes DVD recording
No
No
E
Can record desired video and audio?
No
1 Failure in the periphery of CN101 (Poor contact with the Pickup Assy.) 2 Failure in the periphery of IC101 (Failure in the periphery of the RF IC.) No
Yes End Failure in the periphery of IC101 (There is possibility of failure of the EMMA2RFE chip.)
F
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DVR-640H-AV
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