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3-4.
VIDEO SYSTEM ADJUSTMENTS
3-4-1. Video System Adjustments
Adjusting Procedure:
1.
27MHz/36MHz origin oscillation adjustment
2.
Chroma BPF f
adjustment
0
3.
S VIDEO OUT Y Level Adjustment
4.
S VIDEO OUT chroma level adjustment
5.
VIDEO OUT Y, chroma level check
6.
Hi8/standard 8mm 14 MHz origin oscillation adjustment
7.
BBI PLL adjustment
8.
Hi8/standard 8mm Y level adjustment
9.
Hi8/standard 8mm chroma level adjustment
10. Hi8/standard 8mm AFC f
11. Hi8/standard 8mm RP Filter f
1. 27MHz/36MHz Origin Oscillation Adjustment
(VC-213 board)
Set the oscillation frequency of X501.
If deviated, the synchronization will be disrupted and the color will
become inconsistent.
Note: 27MHz ............... 720H model
36MHz ............... 960H model
720H model: DCR-TR7000/TRV103/TRV110/TRV110P/TRV203/
TRV210/TRV310/TRV310P/TRV315
960H model: DCR-TR7000E/TR7100E/TRV110E/TRV210E/
TRV310E
Mode
Camera
Pin $¡ of IC104
Measurement Point
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
40
Specified Value
f=13500000 ± 68Hz
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: F, address: 40, change the data and set the clock
frequency(f) to the specified value.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
VC-213 BOARD
32 17
33
16
IC104
48
1
49 64
adjustment
0
adjustment
0
2. Chroma BPF f
Adjustment (VC-213 board)
0
Set the center frequency of IC643 chroma band-pass filter.
Mode
Signal
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: D, address: 11, set data: 10, and press the PAUSE
button of the adjustment remote commander.
3)
Check that the burst signal (B) is output to the chroma signal
terminal of S VIDEO jack.
4)
Select page: 3, address: 0C, set data: 04, and press the PAUSE
button.
5)
Select page: C, address: 2B, and change the data for minimum
amplitude of the burst signal level (A).
(The data of address: 2B, should be "00" to "07".)
6)
Press the PAUSE button.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8)
Check that the burst signal level (B) satisfies the specified value.
9)
Select page: D, address: 11, set data: 00, and press the PAUSE
button.
10) Select page: 0, address: 01, and set data: 00.
When the data of page: 3, address: 0C, is 04:
A
CH1
CH2
When the data of page: 3, address: 0C, is 00:
CH1
5-55
VTR stop
No signal
CH1: Chroma signal terminal of
S VIDEO jack (75Ω terminated)
CH2: Y signal terminal of S VIDEO
jack (75Ω terminated)
Oscilloscope
C
2B
A = 100mVp-p or less
B = 200mVp-p or more
H
Fig. 5-3-9.
H
Fig. 5-3-10.
B
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