Samsung SCA20 Service Manual

Alignment and adjustment5-14 Samsung Electronics2. P. CLK Adjustment1) “Camera”, no signal input.2) P.CLK and AF MICOM.3) Connent a frequency counter to P.CLK.4) Press the “BLC (MODE UP)/FADE(MODE DOWN)” button so that the OSD state is“05 P.CLK XX XX”.5) Adjust the “ + (DATA UP)/ - (DATA DOWN)”button so that frequency isNTSC : SCA20/A23/A25 (9.534964MHz ±50Hz).PAL : VP-A20/A22/A23 (9.453125MHz ± 50Hz).uminance4. Auto hall1) Camera “E-E”, 3100°K gray-scale chart.2) Video(output) jack and EVR.3) Connect monitor TV to video(output) jack.4) Press the “BLC (MODE UP)/FADE(MODE DOWN)” button so that the OSD state is“CD HALLA XX XX”.5) Press “START/STOP (CONFIRM)” button.6) Then, the microprocessor will work ;- IRIS open, HALL maximum value found,- IRIS closed, HALL minimum value found,- IRIS open, HALL maximum value found,- Store the data to mode 02 and mode 01.- Store the HALL min./max. data to mode 7Fand mode 80.Main PCB (component side)P.CLK ADJUSTMENT3. Zoom VR Center1) Camera “E-E”, 3100°K gray-scale chart.2) Video(output) jack and EVR.3) Connect monitor TV to video(output) jack.4) Press the “BLC (MODE UP)/FADE(MODE DOWN)” button so that the OSD state is“D6 Z, CHK XX XX”.5) Press “START/STOP (CONFIRM)” button.6) Then, the microprocessor will work ;- Find the Zoom VR Centerposition- Store the data to mode D6.