4-7
4. VIDEO OUT Sync Level and Burst Level Check
Mode
Digital EE
Signal
No signal
Measurement Point
Measurement Point Video out
terminal (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Specified Value
Sync signal level: A = 286 ±20 mVp-p
Burst signal level: B = 286 ±30 mVp-p
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: C, address: 56, set data: 00, and press the PAUSE
button of the adjustment remote commander. (digital EE mode)
3)
Check that the sync signal level (A) satisfies the specified value.
4)
Check that the burst signal level (B) satisfies the specified value.
5)
Select page: C, address: 56, set data: 08, and press the PAUSE
button of the adjustment remote commander.
6)
Select page: 0, address: 01, and set data: 00.
B
A
H
Fig. 4-8
5. PLL Adjustment
Set the VCO center level of the video input circuit (IC102).
Mode
Digital EE
Signal
Color bar (VIDEO IN terminal input)
<3.579545 MHz ±10Hz>
Measurement Point
Display data of page: 3, address: 04
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
AA
Specified Value
0A
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: C, address: 56, set data: 00, and press the PAUSE
button of the adjustment remote commander. (digital EE mode)
3)
Select page: 3, address: 0C, set data: 80, and press the PAUSE
button of the adjustment remote commander.
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 “0A” ,
proceed to step 8).
6)
Select page: C, address: AA, add “10”(hexadecimal) to the data
and press the PAUSE button.
7)
Select page: 3, address: 04, and check the data is “0A” . If not
repeat step 7).
8)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
9)
Select page: C, address: 56, set data: 08, and press the PAUSE
button of the adjustment remote commander.
10) Select page: 0, address: 01, and set data: 00.
