2. VCO Adjustment (VF-119 board)3. Bright Adjustment (VF-119 board)
Set the VCO free-run frequency. If deviated, the EVF scrSet the leeen will bevel of the VIDEO signal for driving the LCD to the specified
blurred.value. If deviated, the screen image will be blackish or saturated
(whitish).
ModeVTR stop
SignalNo signalModeVTR stop
Measurement point !YPin of CN910 (VCO) on VC-195SignalNo signal
boardMeasurement pointPin !¤ of CN910 (EVF VG) on VC-195
Measuring instrument Oscilloscope (DC range)board
Adjustment pageEMeasuring instrument Oscilloscope
Adjustment addressC2Adjustment pageE
Specified valueA = 1.8 ? 0.1VdcAdjustment addressC3
Specified valueA = 7.2 ? 0.1 V
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.Adjusting method:
2) Select page: 3, address: 01, set data: 55, and pr1) Select page: 0, address: 01, and set data: 01.ess the PAUSE
button of the adjusting remote commander.2) Select page: 3, address: 01, set data: 55, and press the PAUSE
3) Check the GND level of the oscilloscope.button of the adjusting remote commander.
5) Select page: E, address: C2, change the data and set the 3) Select page: E, adVCOdress: C3, change the data and set the voltage
output voltage (A) to the specified value.(A) between the reversed waveform pedestal and non-reversed
4) Press the PAUSE button of the adjusting remote commanderwaveform pedestal to the specif.ied value.
5) Select page: 3, address: 01, set data: 00, and pr4) Press the Pess the PAAUSEUSE button of the adjusting remote commander.
button of the adjusting remote commander.5) Select page: 3, address: 01, set data: 00, and press the PAUSE
6) Select page: 0, address: 01, and set data: 00.button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
H
A
A
GND level
(0 Vdc)
Fig. 5-1-12.
2H
Fig. 5-1-13.
5-24 |