Samsung VP-A30 Service Manual page 59

2-14. Audio 1.7MHz (HI8)
: This adjustment is performed to set the
1.7MHz deviation of the audio recording
processor and the adjustment perform in play-
back mode.
If the amplitude difference of two waves mini-
mized, the deviation is to be a regulated devia-
tion.
a. Preparations
STANDARD COLOR BAR
TAPE
TAPE(STEREO)
EQUIPMENT OSCILLOSCOPE
OTHER NONE
TEST POINT CN605 PIN 12
ADDRESS 09
NAME
AUDIO-1.7MHz
THE AMPLITUDE DIFFERENCE
SPEC
BETWEEN TWO WAVES MINI-
MIZED.
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 09.
e. Insert the Standard Color Bar Tape(STEREO)
and press the PLAY button.
f. Connect the oscilloscope to the addressed Test
Point.
g. Press the "C/RESET(DATA UP)/Z/RTN(DATA
DOWN)" button so as to set the waveform to
be as below.
14 13
12 11
10 9
8 7
6 5
4 3
2 1
Samsung Electronics
14 AUDIO OUT R
13 VIDEO OUT
12 AUDIO OUT R
11 PB RF
10
AUDIO OUT L
9 HD SW
8 VCR UNREG
7 JIG CS
6
VCR UNREG
5 JIG SCK
4 SS GND
3 JIG SO
2
JIG DETECT
1 JIG SI
MINIMIZE
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 EEPROM.
Alignment and Adjustment
5-41