4. VIDEO OUT Sync Level and Burst Level Chec5.kPLL Adjustment
Set the VCO center level of the video input circuit (IC102).
ModeDigital EE
SignalNo signalModeDigital EE
Measurement PointMeasurement Point Video outSignalColor bar (VIDEO IN terminal innput)
terminal (75W terminated)<3.579545 MHz ?10Hz>
Measuring Instrument OscilloscopeMeasurement PointDisplay data of page: 3, address: 04
Specified ValueSync signal level: A = 286 ?20 mVp-pMeasuring Instrument Adjustment remote commander
Burst signal level: B = 286 ?30 mVp-pAdjustment PageC
Adjustment AddressAA
Adjusting method:Specified Value0A
1) Select page: 0, address: 01, and set data: 01.
2) Select page: C, address: 56, set data: 00, and press the PAdjusting method:AUSE
button of the adjustment remote commander. (digital EE mode)1) Select page: 0, address: 01, and set data: 01.
3) Check that the sync signal level (A) satisfies the specified value.2) Select page: C, address: 56, set data: 00, and press the PAUSE
4) Check that the burst signal level (B) satisfies the specified value.button of the adjustment remote commander. (digital EE mode)
5) Select page: C, address: 56, set data: 08, and press the P3) Select page: 3, address: 0C, set data: 80, and press the PAUSEAUSE
button of the adjustment remote commander.button of the adjustment remote commander.
6) Select page: 0, address: 01, and set data: 00.4) Select page: C, address: AA, and set data: 00, and press the
PAUSE button.
5) Select page: 3, address: 04, and check. If the data is O0A� ,
proceed to step 8).
6) Select page: C, address: AA, add O10�(hexadecimal) to the data
Band press the PAUSE button.
A7) Select page: 3, address: 04, and check the data is O0A� . If not
repeat step 7).
8) Select page: 3, address: 0C, set data: 00, and press the PAUSE
Hbutton of the adjustment remote commander.
9) Select page: C, address: 56, set data: 08, and press the PAUSE
Fig. 4-7button of the adjustment remote commander.
10) Select page: 0, address: 01, and set data: 00.
4-7 |
ACEC
