Alignment Tapes; Input/Output Level And Impedance - Sony DCR-TRV940 Adjustment Manual

3-1-5.

Alignment Tapes

Use the alignment tapes shown in the following table.
Use tapes specified in the signal column of each adjustment.
Name
Tracking standard (XH2-1)
SW/OL standard (XH2-3)
Audio operation check
(XH5-3 (NTSC), XH5-3P
(PAL))
System operation check
(XH5-5 (NTSC), XH5-5P
(PAL))
Fig. 6-3-3 shows the 75% color bar signals recorded on the align-
ment tape for Audio Operation Check.
Note: Measure with video terminal (Terminated at 75 Ω)
For NTSC model
White (75%)
0.714 V
1 V
0.286 V
Horizontal sync signal
Color bar signal waveform
For PAL model
White (100%)
0.7 V
1 V
0.3 V
Horizontal sync signal
Color bar signal waveform
3-1-6.

Input/Output Level and Impedance

S video input/output
4-pin mini DIN
Luminance signal: 1 Vp-p,
75 Ω (ohms), unbalanced, sync
negative
Chrominance signal:
DCR-TRV940/TRV950: 0.286 Vp-p
DCR-TRV940E/TRV950E: 0.3 Vp-p
75 Ω (ohms), unbalanced
Use
Tape path adjustment
Switching position adjust-
ment
Audio system adjustment|
Operation check
White (100%)
Burst signal
Q
I
Burst signal
Fig. 6-3-3. Color bar signal of alignment tapes
A/V (Audio/Video) input/output
AV MINI JACK, input/output
auto switch
Video signal: 1 Vp-p, 75 Ω (ohms),
unbalanced, sync negative
Audio signal: 327 mV, (at output
impedance more than 47 kΩ
(kilohms) )
DCR-TRV940/TRV940E/TRV950/TRV950E
(75%)
0.286 V
0.3 V
(100%)
Input impedance with more than
47 kΩ (kilohms)
Output impedance with less than
2.2 kΩ (kilohms)
6-53
Q Black
I
White
(100%)
Color bar pattern
Color bar pattern