Samsung VP-M50 Service Manual page 83

Alignment and Adjustment
k. Repeat step g), h), i).
14
13
CN452
12
11
14 13
10
12 11
10 9
8 7
6 5
4 3
2 1
WHITE ( APPROX. 100% )
APPROX.
0.7V
APPROX.
0.3V
H
l. Be sure to press the "MENU(CONFIRM)" but-
ton on FUNCTION to memorize setting.
m. Reset the power source so as to fix the new
data to the camcorder's EEPROM.
2-13. BAND Pass Filter
: This adjustment is performed to set the band-
width of the 1.5MHz BPF.
By this adjustment, we can playback the audio
without distortion.
a. Preparations
STANDARD COLOR BAR
TAPE
TAPE(MONAURAL)
EQUIPMENT OSCILLOSCOPE
NONE
OTHER
TEST POINT CN452 PIN 10
ADDRESS 0E
NAME BPF ADJ
b. Connect a power source.
c. Get into the VCR adjustment mode.
d. Press the "FADE(MODE UP)" or "BLC(MODE
DOWN)" button of FUNCTION so as to select
4-44
VIDEO GND
VIDEO OUT
NC
PB RF
AUDIO OUT
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
1.0 0.02Vp-p
the address 0E.
e. Insert the Standard Color Bar Tape(monaural)
and press the "PLAY" button.
f. Connect the oscilloscope to the addressed Test
Point.
g. Press the "Z.RETURN(DATA
DOWN)/TITLE(DATA UP)" button so as to set
the waveform to be as below.
14
13
CN452
12
11
14 13
10
12 11
10 9
8 7
6 5
4 3
2 1
MINIMIZE THE DISTORTION.
THE BEST IS SINE WAVE.
h. Be sure to press the "MENU(CONFIRM)" but-
ton on FUNCTION to memorize setting.
i. Reset the power source so as to fix the new data
to the EEPROM.
VIDEO GND
VIDEO OUT
NC
PB RF
AUDIO OUT
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
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