Clock Adjustments; Ic1900 27Mhz Xtal F; (Vc-207 Board); Ic1900 Vco Operation Check (Vc-207 Board) - Sony DCR-TRV5 Service Manual
Digital video camera recorder
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Also See for DCR-TRV5:
- Operating instructions manual (92 pages) ,
- Operating instructions manual (91 pages) ,
- Service manual (25 pages)
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3-5-2.
Clock Adjustments
1. IC1900 27MHz XTAL f
0
Set the sub-carrier frequency of the video output signal in the VTR
mode.
Mode
VTR stop
Signal
No signal
R1901 (Pin 2 of IC1900) or Pin 8
Measurement Point
of IC 1104
Measuring Instrument
Frequency counter
Adjustment Page
D
Adjustment Address
98
Specified Value
R1901:
f = 13500000 ± 68 Hz
Pin 8 of IC1104:
f = 6750000 ± 34 Hz
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 98, 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. IC1900 VCO Operation Check (VC-207 Board)
Mode
VTR stop
Signal
No signal
Measurement Point
Display data of page: 2, address: 0E
Measuring Instrument
Adjustment remote commander
Specified Value
"C0" to "FF"
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 05, set data: 02, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: D, address: B0, set data: 03, and press the PAUSE
button.
4)
Select page: 2, address: 0E, and check that the data is "C0" to
"FF".
5)
Select page: D, address: B0, set data: 05, and press the PAUSE
button.
6)
Select page: 2, address: 0E, and check that the data is "C0" to
"FF".
7)
Select page: D, address: B0, set data: 00, and press the PAUSE
button.
8)
Select page: 2, address: 05, set data: 00, and press the PAUSE
button.
9)
Select page: 0, address: 01, and set data: 00.
Adjustment (VC-207 Board)
3. IC6101 41.85MHz VCO Operation Check
(VC-207 Board)
Mode
Subject
Measurement Point
Measuring Instrument
Specified Value
Checking method:
1)
Select page: 3, address: 39, and check that the data is "37" to
"C9".
5-43
Camera recording
Arbitrary
Display data of page: 3, address: 39
Adjustment remote commander
"37" to "C9"
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