5-21
DCR-TRV40/TRV40E/TRV50/TRV50E
IC 1501
VC-283 board
24 13
37 48
12
1
25
36
1-3.
CAMERA SYSTEM ADJUSTMENTS
Before perform the camera system adjustments (except for
“40.5MHz/54MHz Origin Oscillation Adjustment”), check that the
specified values of “VIDEO SYSTEM ADJUSTMENTS” are
satisfied.
And check that the data of page: 0, address: 10 is “00”. If not, set
data: 00 to this address.
Note:
NTSC model: DCR-TRV40/TRV50
PAL model: DCR-TRV40E/TRV50E
1. 40.5MHz/54MHz Origin Oscillation Adjustment
(VC-283 board)
Set 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
Pin
wf
of IC1501
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
10
Specified Value
f=27000000
±
135Hz (NTSC)
f=20250000
±
101Hz (PAL)
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
F
10
Change the data and set the
frequency (f) to the specified
value.
3
F
10
Press PAUSE button.
4
0
01
00
Set the data.
Fig.5-1-7.