Intek M-490 Plus - RECEIVER SECTION

Model No: 3390 Drawring No:
Customer :
Title
M-490 Plus
Rev,Date:
Figure 4
RECEIVER SECTION
Test Equipment Required
•
RF Signal generator (RFSG)
•
SSVM
•
Distortion meter
•
DC power supply
ALIGNMENT PROCEDURE
Step Setting
Connection Adjuster Adjust for
1
Audio output adjustment
MIC : Receive
Volume : Fully clockwise
Squelch: Turn to-
Counter clockwise
CH selector : 19
RF gain : Fully clockwise
CH9 : OFF
RFSG:27.185 MHz,1kHZ
1
µ
V , 1.2 K Dev.
Connect RF signal
generator to EXT-ANT
jack. Connect SSVM
and distortion meter
with 8 ohm dummy
load
(Figure 7).
L101
L102
L103
L104
L106
L401
L402
L403
Maximum indication
on SSVM. Reduce
output from RFSG
until the audio output
becomes about
500mW (2V).
Created by: Approved by: Rev.No:
For Stage: Release Date: Page: 11 / 61