3-5. IR TRANSMITTER ADJUSTMENTS2. IR Video Deviation Adjustment (VC-234 board)
(CCD-TRV87/TRV87P)ModeCamera standby
SubjectArbitrary
Adjust using a IR receiver jig (J-6082-383-A).
Measurement PointVIDEO OUT terminal of IR receiver jig
Note : If the distance between the IR receiver jig and the camcorder is
below 1m, cover the LASER LINK emitter with a ND filter. (For(Terminated at 75&)
example, when the distance is 30cm to 50cm, cover the LASERMeasuring Instrument Oscilloscope
LINK emitter with a ND filter 1.0.)
Adjustment PageF
Adjustment Address7E
Switch setting:
LASER LINK ........................................ ON (Red LED is lit)Specified ValueA = 0.87 ? 0.04 V
1. IR Video Carrier Frequency AdjustmentConnection of Equipment
(VC-234 board)Connect the measuring device as shown in the following figure,
and adjust.
ModeCamera standby
SubjectArbitrary
Oscilloscope
Measurement PointPin 5 of CN003 of IR receiver jig (RF)75&
Main unitIR receiver jig
(Or Pin qh of IC751 of VC-234 board)
VIDEO
Measuring Instrument Frequency counterOUT
Adjustment PageF
75& (1-247-804-11)
Adjustment Address80
Specified Valuef = 11.85 ? 0.05 MHz
Fig. 5-3-15.
Connection of Equipment
Connect the measuring device as shown in the following figure,
Adjusting method:
and adjust.
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 01, set data: 39, and press the PAUSE
Main unitIR receiver jigbutton of the adjustment remote commander.
Pin 5 of Frequency counter3) Select page: F, address: 7E, and change the data, set the video
CN003signal amplitude (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
Fig. 5-3-14.
6) Select page: 0, address: 01, and set data: 00.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 01, set data: 37, and press the PAUSE
button of the adjustment remote commander.
3) Select page: F, address: 80, change the data, and set the videoA
carrier frequency (f) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
6) Select page: 0, address: 01, and set data: 00.
H
Fig. 5-3-16.
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