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This manual was very good & was very helpful with repairs.
Always great & fast service from Owner's manual.
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Very pleased with the quality of the scan. No complaints whatsoever.
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I liked the product. I would use their sevices again.
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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!
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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.
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A
2 DVD Error Rate Adjustment
Notes: · Use disc: GGV1025
· Play the DVD test disc at inner track (around #30000)
START
· Play the DVD test disc at inner track · Display ERROR RATE on the monitor
B
ESC CHP/TIM
G N
Traverse Mechanism Assy-S Adjust the radial adjustment screw so that ERROR RATE becomes around "5E-4". A ERROR RATE : "5E-4"
Traverse Mechanism Assy-S Fasten the radial adjustment screw so that ERROR RATE becomes around "1E-3". B ERROR RATE : "1E-3"
1E-3
ERROR RATE
C A A
B
5E-4
· Unfasten the radial adjustment screw by 90 degrees step till ERROR RATE becomes around "1E-3" again . C · Record the number of rotation (N1).
(memorizing how much the screw was rotated.)
Best point
C
Anticlock wise Clock wise Rotation of Radial screw and Tangential screw
· Fasten the radial adjustment screw till the number of rotation becomes harf of N1. Best Radial point
ERROR RATE: - - - -
ESC
Player Monitor
D
Service mode end
· Play the DVD test disc at outer track (around #200000) Service mode
ESC CHP/TIM
Turn the POWER OFF in case of NG once, and perform the adjustment once again.
If error rate is OK, locks a root of tangential and radial adjustment screws with
E
CHECK
OK
In this check, the error rate that is less than "5E-5"is better.
the Screw tight. Screw tight: GYL1001
Traverse Mechanism Assy-S Fasten the tangential adjustment screw so that ERROR RATE becomes around "1E-3". B ERROR RATE : "1E-3"
Disc playback normally. · The measurement of block error rate
ESC CHP/TIM
F
ESC
· Unfasten the tangential screw by 90 degrees step till ERROR RATE becomes around "1E-3" again . C · Record the number of rotation (N1).
Service mode end
· Fasten the tangential adjustment screw till the number of rotation becomes half of N1. Best tangential point
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XV-DV370
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