![Sony WLL-RX55 Скачать руководство пользователя страница 57](http://html.mh-extra.com/html/sony/wll-rx55/wll-rx55_maintenance-manual_1329624057.webp)
3-7 (E)
WLL-RX55
3-3. Video System Adjustment
n
Perform the adjustments in Sections 3-3-2 and 3-3-3
continuously.
3-3-1. 27 MHz Free-run Adjustment
Tools
.
Oscilloscope:
Tektronix TDS3054B or equivalent
.
Frequency counter: Advantest R5362 or equivalent
.
Extension board:
EX-854
(Sony Part No.: A-8344-228-A)
Preparations
1.
Turn OFF the power of the unit, and extend the DEC-
146 board using the EX-854 board.
2.
Check that all the switches S500-1 to 4 on the DEC-
146 board are set to ON. (Refer to Section 1-7.)
3.
Turn ON the power of the unit, and warm up the unit
for about ten minutes.
4.
Connect each equipment as shown in the figure.
Adjustment Procedure
Equipment:
Frequency counter
Test Point:
TP903/DEC-146 board
GND:
E803/DEC-146 board
Adjustment Point:
1
RV900/DEC-146 board
Specifications:
27 MHz
±
20 Hz
Setting after Adjustment
Restore the DEC-146 board to the original position.
Probe
CH2
IN
CH2
OUT
IN
Oscilloscope
Frequency
counter
RV900
S500
TP1
TP100
TP101
TP102
TP103
TP2
TP3
TP4
TP5
TP500
TP501
TP6
TP900
TP901
TP902
TP903
E800
E801
E802
E803
E804
A
B
C
D
E
F
G
H
J
K
1
2
3
4
5
DEC-146 BOARD (A SIDE)
Содержание WLL-RX55
Страница 1: ...WIRELESS CAMERA RECEIVER WLL RX55 MAINTENANCE MANUAL 1st Edition Serial No 100001 and Higher ...
Страница 64: ......
Страница 126: ......
Страница 134: ......
Страница 140: ......
Страница 154: ......
Страница 164: ......
Страница 184: ......
Страница 194: ......
Страница 196: ......
Страница 230: ...Printed in Japan Sony Corporation 2004 2 08 B P Company 2004 WLL RX55 SY J E 9 968 042 01 ...