28 Mhz Origin Oscillation Adjustment - Sony CVX-V18NS Service Manual

3. 28 MHz Origin Oscillation Adjustment

Set the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color
will become inconsistent.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 2C, change the data and set the clock
frequency (f) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
• PARTS LOCATION DIAGRAM FOR 28 MHz ORIGIN OSCILLATION ADJUSTMENT
Not required
Pin @¡ of CN703 on VC-211
board
Frequency counter
F
2C
f = 14318181 ± 68 Hz (NTSC)
f = 14187500 ± 69 Hz (PAL)
VC-211 board
1
5-9
21 30
CN703