65
XR-VS90SW, XR-VS90, XR-VS70SW, XR-VS70
Step
No.
Adjustment
Title
AM SG (400Hz, 30% Mod.)
Reception
Frequency
Display
Adjustment
Location
Specifications
Frequency
(MHz)
Level
(dB
µ
V/m)
1
AM Front End
Sensitivity
14
25 to 35
14 MHz
L6303
Adjust so that the DC voltage between the
IC6201 - pin 20 and GND becomes at maximum
level.
AM Tuner SW Section (XR-VS90SW and XR-VS70SW only)
• Set the mode selector to SW2.
• Connect the wiring as shown in Fig. 3.
Fig. 3 SW Adjustment Wiring Diagram
Fig. 4 Adjustment Point
AM SG
400pF
320
Ω
20
µ
H
125pF
R
IEC dummy
R is 30
Ω
when SG output is 50
Ω
, 5
Ω
when SG output is 75
Ω
.
PRODUCT
AM antenna terminal
DC
voltmeter
FM/AM TUNER MODULE (AXQ7062)
L6402
L6401
T6401
T6201
VR6201
AM
antenna
terminal
FM
antenna
terminal
YELLOW BLACK
L6303
GRAY BLACK
SIDE A
IC6201
Pin 20
Содержание XR-VS200
Страница 23: ...19 XR VS90SW XR VS90 XR VS70SW XR VS70 34 106 85 28 29 30 87 31 70 35 107 37 43 36 33 32 25 68 69 27 ...
Страница 25: ...21 XR VS90SW XR VS90 XR VS70SW XR VS70 ...
Страница 29: ...XR VS90SW XR VS90 XR VS70SW XR VS70 25 A B C D 5 6 7 8 5 6 7 8 CN3051 F 2 3 AF AMP REGULATOR AF AMP AA ...
Страница 34: ...XR VS90SW XR VS90 XR VS70SW XR VS70 30 A B C D 1 2 3 4 1 2 3 4 PEB001A 2 2 B 3 5 M SERVO VCD ASSY 2 2 ...
Страница 55: ...XR VS90SW XR VS90 XR VS70SW XR VS70 51 A B C D 1 2 3 4 1 2 3 4 PRIMARY ASSY H XNP3026 C SIDE B H ...