Y Fm Carrier Frequency Adjustment - Sony Handycam CCD-TR86 Service Manual

3-13. Y FM CARRIER FREQUENCY ADJUSTMENT

Purpose :
Adjusts the FM signal to be recorded on tape
to the 8 mm format. (Adjusts the carrier
frequency of normal mode Y FM signal.)
Adjustment error : (If frequency is low) Overall picture will be
blurred signal. (If frequency is high) Overall
picture will have black streaking noise.
S/N will be deteriorated.
Mode CAM-REC
Signal Any signal
IC201 pin $¡
Measurement Point
Measuring Instrument Frequency counter, Oscilloscope
Adjustment Page F
Adjustment Address 30
Specification Value 4.20 ± 0.01MHz
Adjustment procedure:
Order Page Address
1 6 00
2 6 01
3 F 30
4
5 6 01
6 6 00
Data
01 After setting the data, press the PAUSE button. (Preparation)
43 After setting the data, press the PAUSE button.
Change data using PLAY and STOP buttons so that the carrier frequency satisfies the
specification. (Record mode)
Press the PAUSE button.
00 After setting the data, press the PAUSE button.
00 After setting the data, press the PAUSE button. (End)
Procedure
6-60