Sony FCB-IX47, Руководство по обслуживанию

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2-15 (E) FCB-IX47/47P
FCB-IX470/470P
2.
ADJUSTMENT
3. BURST Level Adjustment (VC-211 board)
Set the chroma signal output level.
Subject All black
Measurement Point Pin
6
of CN301
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 4B
Specified Value A = 286
±
5mV (NTSC)
A = 300
±
5mV (PAL)
Note: Terminate at 75
Ω
resistor and measure.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 4B, change the data and set the burst
level (A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Select page: 0, address: 01, and set data: 00.
4. G-CAM flip Adjustment
Set the color reproduction conditions to optimum.
Subject Not required
Measurement Point Display data of page 1 of the adjusting
remote commander (Note 1)
Measuring Instrument
Adjustment Page F
Adjustment Address 21
Specified Value S1 S2
Note 1.
Displayed data of page 1 of the adjusting remote com-
mander.
1 : XX : XX
n
S2
n S1
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 0, address: 03, and set data: 16.
3) Select page 1 of the adjusting remote commander, and compare
the higher 2 digits (S1) and lower 2 digits (S2) of the 4-degits
display data.
When S1<S2
Perform steps 5) onwards.
When S1 S2
Perform steps “Processing after Completing Adjustments”.
4) Select page: F, address: 21, set data: 52, and press the PAUSE
button of the adjusting remote commander.
A
H
5) Select page: 0, address: 03, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
Before Modify data After Modified data
52 D2
D2 52
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