Sony Handycam DCR-TRV11, Service Manual

Page: 175 / 215

5-60
3-5. IR TRANSMITTER ADJUSTMENTS
Adjust using a IR receiver jig (J-6082-383-A).
Switch setting:
SUPER LASER LINK ........................... ON (Red LED is lit)
1. IR Video Carrier Frequency Adjustment
(VC-240/241 board)
Mode VTR stop
Signal Arbitrary
Measurement Point Pin
5
of CN003 of IR receiver jig (RF)
(Or Pin
qh
of IC1901 of VC-240/241
board)
Measuring Instrument Frequency counter
Adjustment Page F
Adjustment Address 6E
Specified Value f = 11.85 ± 0.05 MHz
Connection of Equipment
Connect the measuring device as shown in the following figure,
and adjust.
Fig. 5-3-11.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 08, and press the PAUSE
button of the adjustment remote commander.
3) Select page: F, address: 6E, 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: 3, address: 0C, 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-240/241 board)
Mode VTR stop
Signal Arbitrary
Measurement Point VIDEO OUT terminal of IR receiver jig
(Terminated at 75
Ω
)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 6D
Specified Value A = 1.00 ± 0.05 V
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Fig. 5-3-12.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 02, and press the PAUSE
button of the adjustment remote commander.
3) Select page: F, address: 6D, 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: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-13.
Main unit
IR receiver jig
CN003
pin
5
Frequency counter
Main unit IR receiver jig
VIDEO
OUT
75
Ω
75
Ω
(1-247-804-11)
Oscilloscope
H
A