6-82
5-2. VIDEO CARRIER FREQUENCY ADJUSTMENT
Purpose : Adjusts the carrier frequency when modulating
the video signal.
Adjustment error : Loss of synchronization or loss of color.
Mode CAM-STANDBY
Signal Any signal
Measurement Point TP607 of the IR receiver jig or IC001
pin !§ of IR-28board.
Measuring Instrument Frequency counter, Oscilloscope
Adjustment Page F
Adjustment Address 5C
Specification Value 11.83 ± 0.01MHz
Adjustment procedure:
Order Page Address Data Procedure
1 6 00 01 After setting the data, press the PAUSE button. (Preparation)
2 6 01 Read the data pf page : 6, address : 01, and record it.
3 6 01 47 After setting the data, press the PAUSE button.
4 F 5C Change data using PLAY and STOP buttons so that the Y signal level (A) satisfies the
specification. (Record mode)
5 Press the PAUSE button.
6 6 01 Set the data which is recorded in step 2 to this address and, press the PAUSE button.
7 6 00 00 After setting the data, press the PAUSE button. (End)
IR-28 BOARD (SIDE A)
IC001
25
36
24 13
12
1
37
48
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