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!
Text excerpt from page 9 (click to view)
SECTION 3 ELECTRICAL ADJUSTMENTS
DC BIAS CURRENT Adjustment (with no signal input)
Note: 1. DC BIAS CURRENT adjustments should be made 30 seconds after the POWER switch is turned on (POWER ON). 2. After replacing the power transistors, DC BIAS CURRENT adjustments should be perfomed.
Procedure:
AMP BOARD R615 R665 R016 R715 R765 1 2 3 Digital volt meter
Connecting point Adjustment part RV601 RV651 RV001 RV701 RV751 Reading on Digital volt meter 20 mV 20 mV 20 mV 20 mV 20 mV
