DCR-DVD408 (serv.man3) - Sony Movie Service Manual (repair manual). Page 17

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6-14
DCR-DVD408_ADJ
R1216
IC1201
VC-478 BOARD (SIDE A)
3.
Origin Oscillation Check
Check the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color
will become inconsistent.
Subject
Not required
Measurement Point
R1216 (Pin K5 of IC1201 (CHCK))
on VC-478 board
Measuring Instrument
Frequency counter
Specified value
f = 40459541 
±
 809 Hz (4M NTSC)
f = 44505494 
±
 890 Hz (6M NTSC)
f = 31185000 
±
 624 Hz (4M PAL)
f = 37125000 
±
 743 Hz (6M PAL)
Note: 4M NTSC model: DCR-DVD408/DVD808
6M NTSC model: DCR-DVD508/DVD908
4M PAL model: DCR-DVD406E/DVD408E/DVD808E
6M PAL model: DCR-DVD506E/DVD508E/DVD908E
Switch setting
1) POWER ............................................................. MOVIE mode
Checking method:
1) Check that the frequency (f) satisfies the specified value.
Fig. 6-1-13
4.
VIDEO Adjustment
[Automatic Adjustment Program execution items and
sequence]
1. Data Setting during Video Adj.
2. S VIDEO OUT Y Level Adj.
3. S VIDEO OUT Chroma Level Adj.
4. VIDEO OUT Level Check
5. Release of Data Setting during Video Adj.
[Adjusting method]
1) Click the [Start] button of the VIDEO Adjustment.
2) The Automatic Adjustment Program executes the “1. Data
Setting during Video Adj.”.
3) If “1. Data Setting during Video Adj.” completed successfully,
the following screen is displayed during the execution of “2. S
VIDEO OUT Y Level Adj.”. Using the [Up]/[Down] button on
the screen, adjust so that the Y signal level satisfies the speci-
fied value. After the adjustment, click the [End] button in the
screen.
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