Samsung SCL300, Руководство по обслуживанию

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Samsung Electronics 5-39
Alignment and Adjustment
2-11. Y-FM Deviation (Hi8)
: This adjustment sets the Y_FM modulation
level in recording. For adjustment, playback
the self-recorded signal and observe the
VIDEO OUT signal.
Note : It is a little difficult to adjust because you
can check the waveform in playback mode
even though the adjustment is performed
in VCR record mode.
So you have to do it carefully.
a. Preparations
b. Connect a power source.
c. Get into the VCR adjustment mode.
d. Press the ÒTITLE (MODE UP)/DATE/TIME
(MODE DOWN)Ó button of CAMCORDER so
as to select the address 1B.
e. Insert a Hi-8 Tape to the camcorder.
f. Press the START/STOP button on the Rear
board so as to set the camcorder to RECORD-
ING mode.
g. Connect the oscilloscope to the adressed Test
Point.
h. Record for enough time to check the waveform
when you playback where you recorded in step f).
* 1 minute may be enough to check the wave-
form in playback mode.
i. Make sure that the waveform is to be as below.
If OK, go to step l).
j. In case of the waveform level is bigger than
1Vp-p, press the Data Down button so as to set
to down the waveform level and if the wave-
form level smaller than 1Vp-p, press the Data
Up button so as to set to up the waveform level.
k. Repeat step w), i), j).
l. Be sure to press the ÒMENU/ENTER(CON-
FIRM)Ó button of CAMCORDER to memorize
setting.
m. Reset the power source so as to fix the new
data to the camcorderÕs EEPROM.
APPROX.
0.7V
APPROX.
0.3V
WHITE ( APPROX. 100% )
H
1.0 0.02Vp-p
TAPE HI-8 TAPE FOR RECORDING
DC POWER SUPPLY, OSCILLOSCOPE
CN605 PIN13
1B
Y-FM DEVIATE (HI8)
EQUIPMENT
OTHER
TEST POINT
ADDRESS
NAME
14
12
10
8
6
4
2
13
11
9
7
5
3
1
13 VIDEO OUT
12
11
10
9
8
7
6
5
4
3
2
1
AUDIO OUT R
PB RF
AUDIO OUT L
HD SW
VCR UNREG
JIG CS
VCR UNREG
JIG SCK
SS GND
JIG SO
JIG DETECT
JIG SI
AUDIO OUT R 14