Sony MVC-CD200, Service Manual

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3. VCO Adjustment (PK-58 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode Still (Auto ( ))
Subject Arbitrary
Measurement Point Pin 7 of CN302 (HSY)
Measuring Instrument Frequency counter
Adjustment Page D
Adjustment Address D7 (NTSC)
DD (PAL)
Specified Value 1 f = 15734 ± 30Hz
Specified Value 2 f = 15745 ± 30Hz
Setup setting:
VIDEO OUT ................................................................. NTSC
(This adjustment must be performed in NTSC mode, so don’t
set the setup setting to “PAL”.)
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 5 F0 01 Set the data, and press PAUSE
button.
3 D D7 Change the data and set the VCO
frequency (f) to the specified value 1.
4 D D7 Press PAUSE button.
5 D DD Change the data and set the VCO
frequency (f) to the specified value 2.
6 D DD Press PAUSE button.
7 5 F0 00 Set the data, and press PAUSE
button.
8 0 01 00 Set the data.
2. LCD Initial Data Input (2)
Mode Still (Auto ( ))
Subject Arbitrary
Adjustment Page B
Adjustment Address 3A to 3F
Note:
Refer to “1. LCD type check” for the discrimination of the LCD
type.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: B, and input the data in the following table.
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
3) Select page: 0, address: 01, and set data: 00.
Address
3A
3B
3C
3D
3E
3F
Data
59
FF
04
5B
FF
02
Remark
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data