Samsung SCD55, Service Manual

Page: 45 / 129

Samsung Electronics 3-31
Alignment and Adjustment
01
Address Mode
PAL
NTSC
02
03
04
05
06
07
08
09
0A
0B
0C
3. Adjustment Mode Table
60
88
80
80
75
65
60
75
B1
0E
00
F5
60
88
8A
8A
65
88
60
75
B1
02
00
F5
PLL
BRIGHT
R-SUB
B-SUB
COLOR
TINT
CONTRAST
GAMMA1
GAMIMA2
MODE1
MODE2
MODE3
PLL ->Adjust
Remark
BRIGHT ->Adjust
R-SUB ->Adjust
B-SUB ->Adjust
COLOR ->Adjust
TINT ->Adjust
CONTRAST ->Fix initial value
GAMMA1 ->Fix initial value
GAMMA2 ->Fix initial value
PAL/NTSC ->Fix
NORMAL/TEST ->Fix
HD ->Fix
*
The adjustment sequence is PLL->BRIGHT->R-SUB->B-SUB->COLOR->TINT.
4. TP Location
Note: In CVF adjustment mode, when shorting
"A" of PCB to GND and pressing the
START/STOP button, EEPROM stores con-
firmed adjustment value.
After finishing the adjustment, you have to
do battery reset.
1) PLL
a) TP-P & EVR
b) Connect an voltmeter to TP-P.
c) Adjust the EVR so that DC voltage is DC
1.8±0.05 Vp-p.
2) Brightness
a) TP-G & EVR
b) Connect an oscilloscope probe to TP-G.
c) Adjust the EVR so that bright level is 7.0
Vp-p±0.1Vp-p.
3) R-Sub Brightness
a) TP-R & EVR
b) Connect an oscilloscope probe to TP-R.
c) Adjust the EVR so that bright level is 7.2
Vp-p.
4) B-Sub Brightness
a) TP-B & EVR
b) Connect an oscilloscope probe to TP-B.
c) Adjust the EVR so that bright level is 7.0
Vp-p.
4PIN CON
16PIN CON
R
B
G
P
A
10PIN CON