Samsung VP-D10, Service Manual

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Samsung Electronics 3-4
Adjustment and Adjustment
3. How to adjust Head Switching (HDSWP)
1) Connect No. 2 pin of WAFER CNR02 (HEAD-SW signal) for adjustment to CH1 of oscilloscope.
2) Connect No. 3 pin of WAFER CNR02 (ENVE-OUT signal) for adjustment to CH2 of oscilloscope.
3) Play standard tape.
4) Select HDSW of the video adjustment mode.
5) Adjust so that the time between HEAD-SW START and G1 START OF ENVE-OUT is 141µs (±10µs).
4. Center Value Adjustment of Zoom Switch
1) Select ZOOMVR in the video adjustment mode.
2) Adjust ZOOM SW so that the switch is put in the middle of T and W.
3) Adjust ZOOMVR so that the current value of ZOOM SW is equal to the adjusted ZOOMVR value.
(Adjusted value of the
Zoom SW)
G1
NO MODE EVR EPR
1 ZOOMVR 80H 80H
SP PLAY
0:00:00:00
S64 LOO
(Preset value of the Zoom SW)