Samsung VP-A30 Service Manual page 53

14 13
12 11
10 9
8 7
6 5
4 3
2 1
WHITE ( APPROX. 100% )
APPROX.
0.7V
APPROX.
0.3V
H
g. Be sure to press the "MENU/ENTER(CON-
FIRM)" button of CAMCORDER to memorize
setting.
h. Reset the power source so as to fix the new data
to the EEPROM.
2-4. Adjusting Y-Emphasis Input
: This adjustment is performed to set the Y level
which is recorded in tape.
Maladjusted Y level impact to the next adjust-
ment.
a. Preparations
TAPE 8MM (NORMAL) TAPE
EQUIPMENT OSCILLOSCOPE
OTHER
TEST POINT IC 201 PIN 13
ADDRESS 02
NAME Y-EMPHASIS IN (NOR)
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 02.
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
0.5 0.02Vp-p
e. Insert a Normal 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 EEPROM.
2-5. Adjusting PB OUT LEVEL
: This adjustment is perform to set the video out
level to the regulated level.
a. Preparations
STANDARD COLOR BAR TAPE
RECORDED WITH SP SPEED
TAPE
EQUIPMENT OSCILLOSCOPE
OTHER CONNECT THE MONITOR (75Ω)
TEST POINT CN605 PIN13
ADDRESS 03
NAME PB OUT-LEVEL (NOR)
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 03.
e. Insert the Standard Color Bar Tape and press
the PLAY button.
f. Connect the oscilloscope to the addressed Test
Point.
Alignment and Adjustment
0.5 0.02Vp-p
5-35