Samsung VP-A30 Service Manual page 52

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 19.
e. Press the "C/RESET(DATA UP)/Z/RTN(DATA
DOWN)" so that OSD shows "ERR:XX EVR:
XX" "XX" is different dependent on the model
as below.
MODEL NAME ADDRESSED CODE
VP-A30 30
VP-A31 31
VP-A33 33
VP-A34 34
VP-A800 80
VP-A850 85
f. Be sure to press the "MENU/ENTER(CON-
FIRM)" button of CAMCORDER to memorize
setting.
g. Reset the power source so as to fix the new data
to the camcorder's EEPROM.
2-2. Head Switching Point
: This adjustment is performed after the
replacement of deck mechanism.
• Without this adjustment, there will be a noise
in playback picture.
a. Preparations
STANDARD COLOR BAR TAPE
RECORDED WITH SP SPEED
TAPE
EQUIPMENT POWER SOURCE
OTHER NONE
TEST POINT NONE
ADDRESS 0A
NAME HD SWP
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 0A.
e. Insert the Standard Color Bar Tape and press
the PLAY button.
5-34
MODEL NAME ADDRESSED CODE
SCA30 30
SCA31 30
SCA33 33
SCA35 35
SCA80 80
SCA85 85
Note : If there is no video out, when you pressed
the PLAY button, you can not adjust the
Head Switching Point.
It may be caused by maladjusted VIDEO
block.
In this case, adjust the VIDEO block before
the Head Switching Point.
VIDEO block adjustments are 2-3~2-11.
f. The data of Head Switch is set to 6.2H~6.7H
automatically.
0A.HD SW P
EPR : XX
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 camcorder's EEPROM.
2-3. Adjusting Color Bar Level
: This adjustment is performed to set the stan-
dard level of color bar signal which is generat-
ed internally.
a. Preparations
TAPE NONE
EQUIPMENT OSCILLOSCOPE
OTHER NONE
TEST POINT IC201 PIN 24
ADDRESS 1C
NAME COLOR BAR LEVEL
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 1C.
e. Connect the oscilloscope to the addressed Test
Point.
f. Press the "C/RESET(DATA UP)/Z/RTN(DATA
DOWN)" button so as to set the P-P level of
composite to 0.5V±0.02Vp-p.
Note : The level is changed after the confirmation.
6.5H
EVR : YY
Samsung Electronics