Samsung SCA20 Service Manual page 32

Alignment and adjustment
5-2 Camera Section Adjustment
Note :
1. This system has
1) EEPROM to store the confirmed adjustment data.
2) DSP (Digital Signal Process ; ICP04 - Main board) chip to process the signal of camera parts.
3) One test point for the frequency adjustment of DSP main clock (P. CLK).
2. Keep in mind
1) Readjustment is needed when the EEPROM (ICP10 of Main board) is replaced.
The reason is that EEPROM stores confirmed adjustment value of each adjustment step.
5-2-1 Preparations
1. Equipments to be used
1) DC Power supply
2) Oscilloscope
3) Frequency counter
4) Vectorscope
5) Waveform monitor
6) Color monitor or TV
7) Various charts
- Color bar chart
- Gray-scale chart, etc...
8) Alignment tape (Lion pattern)
4. Rear Board
The following is a chart explaining the use of each button :
Using Button
START/STOP(CONFIRM)
- (DATA DOWN)
+ (DATA UP)
BLC (MODE UP)
FADE (MODE DOWN)
DATE (FAR )
TITLE (NEAR)
5-2
2. Composition of camera P.C.Boards
1) Main PCB
3) EVF PCB
3. Adjustment preparations
1) Press the confirm button when each manual
2) After each adjustment step is completed, OSD
3) To cancel the adjustment mode, remove the power
Data store after finishing adjustment by DATA UP/DOWN button.
When changing data value of adjust state.
Mode change.
Focus adjustment.
2) CCD PCB
4) CVF PCB
adjustment step is completed to write the
adjustment data to the EEPROM.
shows ÒOK!Ó.
source.
Adjustment
Samsung Electronics