Samsung SC-D70, Service Manual

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Items Description Adj. value
Samsung Electronics 3-3
Adjustment 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).
V-REF Adjustment Video reference
EXTRA 7D 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
MODELOPTION RESERVED(fixed value)
Model Adj.value
VP-D70 O2
VP-D73 C2
VP-D75 CA
VP-D77 D2
Model Adj.value
SC-D70 O6
SC-D73 C6
SC-D75 CE
SC-D77 D6
PAL NTSC
* MODELOPTION
DUBCUR 80
DUB REC CURRENT