Sony CCD-TRV66PK, Service Manual

Page: 118 / 158

5-42
3-5. IR TRANSMITTER ADJUSTMENTS
Adjust using a IR receiver jig (J-6082-383-A).
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
example, when the distance is 30cm to 50cm, cover the LASER
LINK emitter with a ND filter 1.0.)
Switch setting:
LASER LINK ........................................ ON (Red LED is lit)
1. IR Video Carrier Frequency Adjustment (VC-214 board)
Mode Camera standby
Subject Arbitrary
Measurement Point Pin
5
of CN003 of IR receiver jig (RF)
(Or Pin
!§
of IC751 of VC-214 board)
Measuring Instrument Frequency counter
Adjustment Page F
Adjustment Address 68
Specified Value f = 11.85 ± 0.05 MHz
Connection of Equipment
Connect the measuring device as shown in the following figure,
and adjust.
Fig. 5-3-15.
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: 68, change the data, and set the video
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.
2. IR Video Deviation Adjustment (VC-214 board)
Mode Camera standby
Subject Arbitrary
Measurement Point VIDEO OUT terminal of IR receiver jig
(Terminated at 75
Ω
)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 66
Specified Value A = 0.87 ± 0.04 V
Connection of Equipment
Connect the measuring device as shown in the following figure,
and adjust.
Fig. 5-3-16.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 01, set data: 39, and press the PAUSE
button of the adjustment remote commander.
3) Select page: F, address: 66, and change the data, set the video
signal 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.
6) Select page: 0, address: 01, and set data: 00.
Main unit IR receiver jig
Pin
5
of
CN003
Frequency counter
Main unit
IR receiver jig
VIDEO
OUT
75
Ω
75
Ω
(1-247-804-11)
Oscilloscope
A
H
Fig. 5-3-17.