3-6 (E)
WLL-RX55
Adjustment Procedure
1.
CA PGM mix level adjustment
Equipment:
Oscilloscope
Test Point:
Refer to the following figure.
(Fig-1:
1
RV551)
GND:
E601/AU297 board
Adjustment Point:
1
RV551/AU-297 board
Specifications:
1
RV551
→
Fully clockwise (
2
)
220
±
20 mV
(Turn the
1
RV551 to the mechan-
ical center after checking the
specific value.)
n
These specifications are set for service. When using
this unit, adjust the level to suit the customer.
2.
FRONT PGM mix level adjustment
Equipment:
Oscilloscope
Test Point:
Refer to the following figure.
(Fig-2:
1
RV552)
GND:
E601/AU297 board
Adjustment Point:
1
RV552/AU-297 board
Specifications:
1
RV552
→
Fully clockwise (
2
)
220
±
20 mV
(Turn the
1
RV552 to the mechan-
ical center after checking the
specific value.)
n
These specifications are set for service. When using
this unit, adjust the level to suit the customer.
Settings after Adjustment
.
Menu setting:
MENU:
Audio
ITEM:
Incom
SUB MENU:
PGM MIX
→
OFF
.
Restore the AU-297 board to the original position.
Level
Level
3-2-4. PGM Mix Level Adjustment
Tools
.
Oscilloscope:
Tektronix TDS3054B or equivalent
.
Audio oscillator: Tektronix SG-5010 or equivalent
.
Extension board: EX-854
(Sony Part No.: A-8344-228-A)
Note
This adjustment is described on the premise that the output
impedance of the audio oscillator is 600
Z
.
Preparations
1.
Turn OFF the power of the unit, and extend the AU-
297 board using the EX-854 board.
2.
Connect the audio oscillator to the terminals on the
EX-854 board as following figure.
3.
Turn ON the power of the unit, and warm up the unit
for about ten minutes.
4.
Menu setting:
MENU:
Audio
ITEM:
Incom
SUB MENU:
PGM MIX
→
ON
S1
S101
S2
S201
S3
S4
S41
S42
S91
S92
S93
TP351
TP401
TP451
TP551
E301
E401
E601
RV101
RV201
RV351
RV401
RV451
RV551
RV552
RV553
RV554
A
B
C
D
E
F
G
H
J
K
1
2
3
4
5
AU-297 BOARD (A SIDE)
RV551
RV552
Fig-2
Fig-1
Probes of
oscilloscope
600
Z
GND
X
Y
+
a-17/EX-854 board
b-17/EX-854 board
E2/EX-854 board
Audio oscillator
220
u
F
(16 V or more)
Содержание WLL-RX55
Страница 1: ...WIRELESS CAMERA RECEIVER WLL RX55 MAINTENANCE MANUAL 1st Edition Serial No 100001 and Higher ...
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Страница 230: ...Printed in Japan Sony Corporation 2004 2 08 B P Company 2004 WLL RX55 SY J E 9 968 042 01 ...