Mechanical Adjustment - Samsung SV-425G Service Manual

2-2 Mechanical Adjustment

Note : Refer to the Mechanical Manual ÒDX-9R (AC68-00001A)Ó for the adjustment and confirmation of
assÕy full deck.
2-2-1 The number and position of test point
Test point : TP601 (Control Pulse)
TP602 (H'D S/W -Trigger)
TP301 (Envelope)
TP302 (Audio output)
TP303 (Video output)
2-2-1 ACE Head Position (X-Point) Adjustment
(See the 2-2-1(d) ACE Head Position (X-Point) Adjustment
on page 2-2 of the Mechanical Manual)
1) Playback the alignment tape (Color bar).
2) Press the ÒSW718 (TEST)Ó button on Main PCB to
set the adjustment mode. (See Fig. 2-2)
3) Press the Ò5Ó button of remote control then
adjustment is operated automatically. (See Fig. 2-1)
Samsung Electronics
AUDIO OUTPUT
ENVELOPE
HEAD SWITCHING
Fig. 2-3 Location of Test point (Main PCB-Top View)
4) Connect the CH-1 probe to TP301 (Envelope) the
CH-2 probe to TP602 (HÕD switching pulse) and
then trigger to CH-1.
5) Insert the (-) driver into the X-Point adjustment
hole and adjust it so that envelope waveform is
maximum.
6) Turn the Power off.
Alignment and Adjustment
2-3