Pioneer XR-A660SW Instrukcja serwisowa - Strona 12
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4.2 ADJUSTMENT FOR XR-A660EE
Note : Adjustment of XR-A660EE/MLWXJ/EE are the same as those of XR-A660/DLXJ/NC except for the following:
FM Tuner Section
Set the mode selector to FM BAND.
Connect the wiring as shown in Fig. 1.
Adjustment
Step No.
Title
Front End
1
Sensitivity
TUNED IND.
2
Lighting Level
Notes:
Before adjusting, make sure there is no gap between L6101 and L6102 as well as between L6103 and L6104. If there is a gap between them,
bring them into contact with each other first, and then make adjustments.
AM Tuner Section
Set the mode selector to AM BAND.
Connect the wiring as shown in Fig. 1.
Adjustment
Step No.
Title
Front End
1
Sensitivity
*1: For the area using 10kHz step, frequencies should be 1000kHz
AM SG
MPX SG
FM/AM TUNER MODULE (AXQ7069)
AM
antenna
terminal
FM
antenna
terminal
12
FM SG (1kHz, ±75kHz dev.)
Frequency
Level
(MHz)
(dBµV)
70
0-30
98
18±2
AM SG (400Hz, 30% Mod.)
Frequency
Level
(kHz)
(dBµV/m)
999*
1
35-45
60cm
Center
Center
FM SG
FM75Ω antenna terminal
Fig. 1 AM and FM Adjustment Wiring Diagram
AXX7041
YELLOW
BLACK
L6101
T6101
L6102
L6103
Fig. 2 Adjustment Points
Reception
Adjustment
Frequency
Location
Display
Adjust so that the DC voltage between the
L6104
70MHz
L6102
IC6201-Pin 20 and GND becomes at maximum
T6101
level.
Adjust so that the indicator of TUNED IND. starts
98MHz
VR6201
to light up.
Reception
Adjustment
Frequency
Location
Display
Adjust so that the DC voltage between the
999kHz*
1
T6201
IC6201-Pin 20 and GND becomes at maximum
level.
Loop antenna
AM antenna terminal
PRODUCT
T6201
Specifications
Specifications
DC
voltmeter
VR6201