Samsung VP-A30, Руководство по обслуживанию

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Samsung Electronics 5-37
Alignment and Adjustment
b. Connect a power source.
c. Get into the VCR adjustment mode.
d. Press the “DATE/TIME(MODE UP)/TITLE
(MODE DOWN)” button of CAMCORDER so
as to select the address 05.
e. Insert a NORMAL 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. 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 waveform
in playback mode.
h. Connect the oscilloscope to the addressed Test
Point.
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 g), h), i).
l. Be sure to press the “MENU/ENTER(CON-
FIRM)” button of CAMCORDER to memorize
setting.
m. Reset the power source so as to fix the new
data to the camcorder’s EEPROM.
2-8. Y-EMPHASIS INPUT (HI8)
a. Preparations
b. Connect a power source.
c. Get into the VCR adjustment mode.
d. Press the “DATE/TIME(MODE UP)/TITLE
(MODE DOWN)” button of CAMCORDER so
as to select the address 1A.
e. Insert the Hi-8 tape to the camcorder.
f. Connect the oscilloscope to the addressed Test
Point.
g. Press the “C/RESET(DATA UP)/Z/RTN(DATA
DOWN)” button so that the IC201 PIN13 is
0.5±0.02Vp-p from SYNC tip to peak level.
h. Be sure to press the “MENU/ENTER(CON-
FIRM)” button of CAMCORDER to memorize
setting.
i. Reset the power source so as to fix the new data
to the camcorder’s EEPROM.
APPROX.
0.7V
APPROX.
0.3V
WHITE ( APPROX. 100% )
H
1.0 0.02Vp-p
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
0.5 0.02Vp-p
TAPE HI8 TAPE
OSCILLOSCOPE
NONE
IC201 PIN13
1A
Y-EMPHASIS IN (HI8)
EQUIPMENT
OTHER
TEST POINT
ADDRESS
NAME