I Recently purchased yet another Service Manual from Owner-Manuals.com, this time for a Sony EVS700ES/UB Videocassette Recorder. The Manual was available for upload within two hours and is an Extremely Good copy, as some of this I was able to enlarge to get even better detail.
Once Again, Very happy with the result!
A good and useful manual. With these, We was abled to isolate and pin point the component that was causing the problem. The total time spent in troubleshooting is very much reduced.
Text excerpt from page 83 (click to view)
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� When "NG" is displayed at First screen (version information, etc)
(*1) NG+ : Version of the tuner microcomputer too advanced NG- : Version of the tuner microcomputer too old
A
1. When TUFL µ-com is MASK type
NG+ : Download the firmware. NG- : Replace the TUFL µ-com or JCKB ASSY.
2. When TuFL µ-com is FLASH type
NG+ : Download the firmware. NG- : Download the firmware. (*2) NG : NG (improper drive) Replace the correct Drive Assy. (*3) NG+ : Version of the drive too advanced NG- : Version of the drive too old NG+ : Download the firmware. NG- : Download the firmware. (*4) NG : Serial No. of the drive not registered Check the part No. and replace the correct Drive Assy.
C B
