Sony Digital8 DCR-TRV410 Service Manual page 150

9. Hi8/standard 8mm Chroma Level Adjustment
(VC-213 board)
Set the Hi8/standard 8mm PB Chroma signal level. (Adjust the D/
A converter out put level of IC251.)
Mode VTR stop
Signal No signal
Measurement Point Chroma signal terminal of S VIDEO
terminal (75Ω terminated )
External trigger : Y signal terminal of
S VIDEO terminal
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 6B
Specified Value A=286 ± 5mV (NTSC)
A=300 ± 5mV (PAL)
Note : Insert a plug into the S video terminal.
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) Select page: 6, address: 61, set data: 30.
4) Select page: 3, address: 0D, set data: 02, and press the PAUSE
button.
5) Select page: 6, address: 6F, set data: 01.
6) Select page: F, address: 6B, change the data and set the burst
level (A) to the specified value.
7) Press the PAUSE button.
8) Select page: D, address: 11, set data: 00, and press the PAUSE
button.
9) Select page: 3, address: 0D, set data: 00, and press the PAUSE
button.
10) Select page: 6, address: 61, set data: 00.
11) Select page: 6, address: 6F, set data: 00.
12) Select page: 0, address: 01, and set data: 00.
H
Fig. 5-3-15.
10. Hi8/standard 8mm AFC f
(VC-213 board)
Adjust the pull-in range of the clock generator (IC251) for A/D
conversion during Hi8/standard 8mm playback.
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: 3, address: 0D, set data: 04, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 6, address: 63, set data: 04.
4) Select page: 6, address: 6F, set data: 01.
5) Select page: F, address: 6A, change the data and set the DC
voltage (A) to the specified value.
6) Press the PAUSE button.
7) Select page: 3, address: 0D, set data: 00, and press the PAUSE
button.
8) Select page: 6, address: 63, set data: 00.
9) Select page: 6, address: 6F, set data: 00.
10) Select page: 0, address: 01, and set data: 00.
A
5-55
Adjustment
0
VTR stop
No signal
Pin 2 of CN910 (AFC f0)
Digital voltmeter
F
6A
A=2.00 ± 0.05Vdc