5-55
VC-213 BOARD
3-4. VIDEO SYSTEM ADJUSTMENTS
3-4-1. Video System Adjustments
Adjusting Procedure:
1. 27MHz/36MHz origin oscillation adjustment
2. Chroma BPF f0 adjustment
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 f0 adjustment
11. Hi8/standard 8mm RP Filter f0 adjustment
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
Measurement Point Pin $¡ of IC104
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.
2. Chroma BPF f
0
Adjustment (VC-213 board)
Set the center frequency of IC643 chroma band-pass filter.
Mode VTR stop
Signal No signal
Measurement Point CH1: Chroma signal terminal of
S VIDEO jack (75Ω terminated)
CH2: Y signal terminal of S VIDEO
jack (75Ω terminated)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 2B
Specified Value A = 100mVp-p or less
B = 200mVp-p or more
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.
CH1
CH2
A
H
H
CH1 B
Fig. 5-3-9.
Fig. 5-3-10.
When the data of page: 3, address: 0C, is 04:
When the data of page: 3, address: 0C, is 00:
IC104
16
1
49 64
32 17
33
48
To Next Page
Loading...
Need help?
General