Sony DCR-TRV725E Service Manual page 168

5. VIDEO OUT Y, Chroma Level Check (VC-262 board)
Mode VTR stop
Signal No signal
Measurement Point Video terminal of AUDIO/VIDEO jack
(75Ω terminated)
Measuring Instrument Oscilloscope
Specified Value Sync level: A = 293 ± 18mV (NTSC)
Burst level: B = 286 ± 18mV (NTSC)
Adjusting method:
Order Page Address Data
1 0 01 01
2 D 11 10
3 3 0C 02
4
5
6 3 0C 00
7 D 11 00
8 0 01 00
A
H
Fig. 5-3-12.
A = 307 ± 18mV (PAL)
B = 300 ± 18mV (PAL)
Procedure
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Check that the sync signal level
(A) satisfies the specified value.
Check that the burst signal level
(B) satisfies the specified value.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Set the data.
6. Hi8/Standard8 Y/C Output Level Setting
(VC-262 board)
RadarW RadarW RadarW RadarW RadarW
Set the Y/C signal output level during the Hi8/Standard8 playback
mode.
Mode
Signal
Adjustment Page
Adjustment Address
Note: Perform this adjustment when IC2201 or IC4901 is replaced.
Adjusting method:
Order Page Address Data
1 0 01
2 D 10
3 6 6F
4 6 7F
5 F 67
6 F 68
7
8 F 67
9 F 68
10 6 6F
B
11 D 10
12 0 01
5-53
VTR stop
No signal
F
67, 68
Procedure
01 Set the data.
02 Set the data, and press PAUSE
button.
01 Set the data.
Check that the data.
When the data is "00", proceed
to step 8.
When the data is "03", proceed
to step 5.
Set the following data, and press
PAUSE button.
69 (NTSC), 65 (PAL)
Set the following data, and press
PAUSE button.
64 (NTSC), 72 (PAL)
Proceed to step 10.
Set the following data, and press
PAUSE button.
A0 (NTSC), A0 (PAL)
Set the following data, and press
PAUSE button.
AA (NTSC), B8 (PAL)
00 Set the data.
00 Set the data, and press PAUSE
button.
00 Set the data.