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5-43
3. IR Audio Deviation Adjustment (VC-214 board)
Mode
VTR recording
Signal
Audio signal :
400Hz, –7.5dBs : L or R of AUDIO
terminal
Video signal :
Color bar signal : VIDEO terminal
Measurement Point
AUDIO L terminal and AUDIO R
terminal of IR receiver jig
(Terminated at 47k
Ω
)
Measuring Instrument
Audio level meter
Adjustment Page
F
Adjustment Address
67
Specified Value
Signal level: –7.5 ± 2.0 dBs
Level difference of L and R: Below 2dB
Connection of Equipment
Connect the measuring device as shown in the following figure,
and adjust.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Connect the audio level meter to the AUDIO L terminal of the
IR receiver jig.
3)
Select page: F, address: 67, change the data and set the 400Hz
audio signal level to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Connect the audio level meter to the AUDIO R terminal of the
IR receiver jig.
6)
Check that the 400Hz audio signal level is within the specified
value. If outside, repeat from step 2).
7)
Select page: 0, address: 01, and set data: 00.
(75
Ω
)
600
Ω
Video
L
R
Audio
AUDIO OUT
L
47k
Ω
47k
Ω
(1-249-437-11)
600
Ω
(270
Ω
(1-249-410-11) + 330
Ω
(1-249-411-11))
Pattern generator
Audio oscillator
Main unit
Attenuator
Audio level meter
VIDEO OUT
R
IR receiver jig
Fig. 5-3-18.
Содержание CCD-TRV66PK
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Страница 40: ...CCD TRV63 TRV66 TRV66PK SECTION 3 BLOCK DIAGRAMS 3 1 OVERALL BLOCK DIAGRAM 3 1 3 2 3 3 3 4 ...
Страница 48: ...CCD TRV63 TRV66 TRV66PK 3 9 POWER BLOCK DIAGRAM 3 29 3 30 3 31 3 32E ...
Страница 50: ...CCD TRV63 TRV66 TRV66PK FRAME SCHEMATIC DIAGRAM 2 4 4 4 5 4 6 FRAME SCHEMATIC DIAGRAM 2 2 ...
Страница 65: ...CCD TRV63 TRV66 TRV66PK 4 53 4 54 STEADY SHOT SE 83 AV IN OUT PJ 92 ...
Страница 67: ...CCD TRV63 TRV66 TRV66PK 4 57 4 58 4 59 STEREO MIC AMP LASER LINK MA 351 ...
Страница 73: ...CCD TRV63 TRV66 TRV66PK 4 75 4 76 4 77 USER CONTROL CF 56 MR 8500 ...
Страница 76: ...CCD TRV63 TRV66 TRV66PK CCD TRV63 TRV66 TRV66PK 4 88E CONTROL SWITCH BLOCK FK 8500 SS 8500 ...