Sony DCR-TRV15E, Service Manual

Page: 155 / 188

5-47
3-5. IR TRANSMITTER ADJUSTMENTS
Adjust using the IR receiver jig (J-6082-383-A).
Switch setting:
SUPER LASER LINK ........................... ON (Red LED is lit)
1. IR Video Carrier Frequency Adjustment
(VC-260 board)
Mode VTR stop
Signal Arbitrary
Measurement Point Pin 5 of CN003 of IR receiver jig (RF)
(Or Pin qh of IC901 of VC-260 board)
Measuring Instrument Frequency counter
Adjustment Page F
Adjustment Address 6E
Specified Value f = 11.50 ± 0.05 MHz
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
2. IR Video Deviation Check (VC-260 board)
Mode VTR stop
Signal Arbitrary
Measurement Point VIDEO OUT terminal of IR receiver
jig (Terminated at 75
Ω
)
Measuring Instrument Oscilloscope
Specified Value A = 1.00 ± 0.05 V
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Adjusting method:
Order Page Address Data Procedure
1 3 0C 02 Set the data, and press PAUSE
button.
2 Check that the video signal
amplitude (A) satisfies the
specified value.
3 3 0C 00 Set the data, and press PAUSE
button.
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
Fig. 5-3-11.
Fig. 5-3-13.
Fig. 5-3-12.
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 3 0C 08 Set the data, and press PAUSE
button.
3 F 6E Change the data, and set the video
carrier frequency (f) to the specified
value.
4 F 6E Press PAUSE button.
5 3 0C 00 Set the data, and press PAUSE
button.
6 0 01 00 Set the data.
IC901
VC-260 board
13
24
48
37
36 25
1 12
Fig. 5-3-10.