Samsung SCL300, Service Manual

Page: 59 / 136

Samsung Electronics 5-38
Alignment and Adjustment
2-9. PB Output Level (Hi8)
a. Preparations
b. Connect a power source.
c. Get into the VCR adjustment mode.
d. Press the ÒTITLE (MODE UP)/DATE/TIME
(MODE DOWN)Ó button of CAMCORDER so
as to select the address 14.
e. Insert a Hi-8 standard color bar tape and press
the PLAY button.
f. Connect the oscilloscope to the addressed Test
Point.
g. Press the ÒEDIT + (DATA UP)/EDIT Ð (DATA
DOWN)Ó button so that the CN605 PIN13 is
1.0±0.02Vp-p from SYNC to peak level.
h. Be sure to press the ÒMENU/ENTER(CONFIRM)Ó
button of CAMCORDER to memorize setting.
i. Reset the power source so as to fix the new data
to the camcorderÕs EEPROM.
2-10. Y-FM Carrier (Hi8)
: This adjustment is performed to set the sync-
tip level of the composite video signal.
Maladjusted Y-FM carrier impact to the play-
back picture, there may be black or white dot
noise.
a. Preparations
b. Connect a power source.
c. Get into the VCR adjustment mode.
d. Press the ÒTITLE (MODE UP)/DATE/TIME
(MODE DOWN)Ó button of CAMCORDER so
as to select the address 15.
e. Insert a Hi-8 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. Connect the frequency counter to the addressed
Test Point.
h. Press the ÒEDIT + (DATA UP)/EDIT Ð (DATA
DOWN)Ó button so as to set the frequency to
5.99MHz ±0.02MHz
i. Be sure to press the ÒMENU/ENTER(CON-
FIRM)Ó button of CAMCORDER to memorize
setting.
j. Reset the power source so as to fix the new data
to the camcorderÕs EEPROM.
DC POWER SUPPLY, FREQUENCY COUNTER
IC 201 PIN 41
15
Y-FM CARRIER (HI-8)
EQUIPMENT
OTHER
TEST POINT
ADDRESS
NAME
HI8 TAPE FOR RECORDING TAPE
APPROX.
0.7V
APPROX.
0.3V
WHITE ( APPROX. 100% )
H
1.0 0.02Vp-p
TAPE
HI8 STANDARD COLOR BAR TAPE
RECORDED WITH SP SPEED
DC POWER SUPPLY, OSCILLOSCOPE
You need a monitor terminated with 75
Ω
.
CN605 PIN13
14
PB OUT-LEVEL (HI8)
EQUIPMENT
OTHER
TEST POINT
ADDRESS
NAME
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