Advertisement
QQ
3 7 63 1515 0
4. ADJUSTMENT
4.1 ADJUSTMENT FOR XR-A330SW
Note : Adjustment of XR-A330SW/DDXJ are the same as those of XR-A330/DXJ/NC except for the following:
AM Tuner SW Section
Set the mode selector to SW2.
Connect the wiring as shown in Fig. 1.
Adjustment
Step No.
Title
AM Front End
1
Sensitivity
Adjustment
Befor adjustment, connect AM-ANT. and IEC-dummy ANT.. Signal input is through IEC-dummy ANT.. Connecting AM-ANT. follows Fig. 1.
TE
L 13942296513
AM SG
AM
antenna
terminal
FM
antenna
terminal
www
.
http://www.xiaoyu163.com
AM SG (400Hz, 30% Mod.)
Frequency
Input Level
(MHz)
(dBµV/EMF)
14
25-35
IEC dummy
R
125pF
R is 30Ω when SG output is 50Ω, 5Ω when SG output is 75Ω.
Fig. 1 SW adjustment wiring diagram
FM/AM TUNER MODULE (AXQ7062)
L6303
GRAY
BLACK
YELLOW
BLACK
L6401
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Reception
Adjustment
Frequency
Location
Display
14MHz
L6303
AM antenna terminal
400pF
Q Q
320Ω
3
6 7
1 3
1 5
20µH
T6401
co
Fig. 2 Adjustment points
.
XR-A330SW, XR-A330EE
9 4
2 8
Specifications
Adjust so that the DC voltage between the
IC6201-Pin 20 and GND becomes at maximum
level.
0 5
8
2 9
9 4
2 8
DC
PRODUCT
voltmeter
T6201
VR6201
m
9 9
9 9
13
Advertisement
