Samsung SCD55, Service Manual

Page: 17 / 129

Samsung Electronics 3-3
Alignment and Adjustment
3-1-2. VCR Adjustment
1. VCR Adjustment Items
2. How to adjust Video-Reference (V-REF).
1) Connect video output cable to wave form scope. The wave form scope must be connected to monitor.
(75
Ω
termination)
2) Set to the VCR adjustment mode.
3) Adjust VREF so that SYNC level of video output signal is PAL(43 IRE) and NTSC(40 IRE).
Items Adj. value Description
V-REF Adjustment Video reference
EXTRA 7E Audio VCO PLL
RECCUR 80 REC current
A-REF1 80 Audio 48KHz mode
A-REF2 80 Audio 44.1KHz mode
A-REF3 80 Audio 32KHz mode
HDSWP Adjustment Head Adjust switch
ZOOMVR Adjustment Adjust center value in the ZOOM switch
OPTION ** RESERVED(fixed value)
PAL NTSC
Model Adj. value Model Adj. value
VP-D55 02 SCD55 12
VP-D60 AA SCD60 BE
VP-D65 FE
* Option