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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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The quality of the manual is top. The transfer worked perfect and fast.
No problems at all. Recommendable
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Very good service for get any documentation. Fast and perfect quality.
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Excellent service manual with all the necessary info. :)
ELECTRICAL ADJUSTMENT
PRACTICAL SERVICE FIGURE
Tape speed: Wow & flutter: Take-up torque: F.F torque: REW torque: S/N ratio:
J103 EARPHONE
A MAIN C.B
3000 Hz ± 60 Hz Less than 0.55% (4.8 cm/s) Less than 0.8% (2.4 cm/s) 20 ~ 50 g-cm (FWD) More than 55 g-cm More than 55 g-cm More than 56 dB (DC, PB) More than 26 dB (DC, R/PB) Less than 3.0% (DC, PB) Less than 7.0% (DC, R/PB) Less than 2.0 mV (PB, Vol Max., DC) Less than 16 mV (R/PB, Vol Max., DC) Less than 0.3 mV (PB, Vol Min, DC)
Distortion:
Noise level:
VR202 VR201 PLAYBACK SPEED VR402
Erasing ratio: Test tape
More than 44 dB (1kHz) TTA-100 TTA-150 TTA-160 TTA-330
IC BLOCK DIAGRAM
IC, MM1206XF
1
R/P HEAD
3
2
1. Azimuth Adjustment Settings: � Test tape: TTA-330 � Test point: EARPHONE JACK (J103) � Adjustment location: Azimuth adjustment screw � PAUSE: OFF � VOLUME: Maximum. Method: Play back the test tape, and adjust so that the output (8 kHz) becomes maximum.
3. Tape Speed Adjustment (2.4cm/s) (TP-VS610 only) Settings: � Test tape: TTA-150 or TTA-160 (TAPE CENTER) � Test point: EARPHONE JACK (J103) � Adjustment location: VR402 � PAUSE: OFF � VOLUME: Maximum � PLAYBACK SPEED: Normal (Speed volume center) � REC MODE: Extended Method: Play back the test tape, and adjust for 3000 Hz ±10Hz
2. Tape Speed Adjustment (4.8 cm/s) Settings: � Test tape: TTA-100 (TAPE CENTER) � Test point: EARPHONE JACK (J103) � Adjustment location: VR202 � PAUSE: OFF � VOLUME: Maximum � PLAYBACK SPEED: Normal Method: (Speed volume center) Play back the test tape, and adjust for 3000 Hz ±10Hz
TRANSISTOR ILLUSTRATION
C
B
E 2SC2712 2SC3326 2SC4081 2SC4116 2SC4213 DTC114 RN2304
9
10
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