Read Sony CCD-TRV101 / CCD-TRV101E Service Manual online
6-13
1-2-6. Reference : Conversion between the hexadecimal
number and decimal number.
In some adjustment items, data appears in hexadecimal numbers on
the DDS display or on the adjustment remote commander.
Maintenance engineers are expected to convert the displayed
hexadecimal numbers to the corresponding decimal numbers using
the following conversion table.
the DDS display or on the adjustment remote commander.
Maintenance engineers are expected to convert the displayed
hexadecimal numbers to the corresponding decimal numbers using
the following conversion table.
1-2-7. 28MHz crystal oscillator adjustment
Purpose :
Adjusts 28MHz crystal controlled oscillation for
synchronizing clock.
synchronizing clock.
Adjustment error :
Loss of synchronization or loss of color.
Subject
Not required
Measurement Point
IC202 pin !™ or IC114 pin %º
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
3A
Specification
14318181
±
71Hz (NTSC)
14187500
±
70Hz (PAL)
Adjustment procedure:
Make a required calculation described in each adjustment item. Then
re-convert the result of calculation back from the decimal numbers to
the corresponding hexadecimal numbers using the following
conversion table.
re-convert the result of calculation back from the decimal numbers to
the corresponding hexadecimal numbers using the following
conversion table.
Order
Page
Address
Data
Procedure
1
0
01
01
Set the data. (Preparation)
2
F
3A
Change the data until the frequency satisfies the specification.
3
Press the PAUSE button.
4
0
01
00
Set the data. (End)
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