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5. ADJUSTMENT
Note : Adjustment of XR-A390 are the same as those of XR-A4800 except for the following:
A
FM Tuner Section
� Set the mode selector to FM BAND. � Connect the wiring as shown in Fig. 1. Step No. Adjustment Title
Front End Sensitivity TUNED IND. Lighting Level
FM SG (1kHz, ± 75kHz dev.) Frequency Level (MHz) (dBµV)
98 98 0 to 30 18 ± 2
Reception Frequency Display
98MHz 98MHz
Adjustment Location
L6402 T6401 VR6201
Specifications
Adjust so that the DC voltage between the IC6201 - pin 20 and GND becomes to maximum level. Adjust so that the indicator of TUNED IND. strats to light up.
1 B 2
Note: Before adjusting, make sure there is no gap between L6401 and L6402. 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.
C
Step No.
Adjustment Title
Front End
AM SG (400Hz, 30% Mod.) Frequency Level (kHz) (dBµV/m)
999 (�1) 35 to 45
Reception Frequency Display
999kHz (�1)
Adjustment Location
Specifications
Adjust so that the DC voltage between the IC6201 - pin 20 and GND becomes to maximum level.
1
Sensitivity
T6201
Note (�1) : For the area using 10kHz step, frequency should be 1000kHz. 60cm Loop antenna
D AM SG Center Center AM antenna terminal
MPX SG
FM SG FM75� antenna terminal
PRODUCT
DC Voltmeter
Fig.1 AM and FM Adjustment Wiring Diagram
FM/AM TUNER MODULE
E AM antenna terminal
SIDE A
T6201
YELLOW
BLACK AXX7041 IC6201 Pin 20 VR6201 T6401 L6401
FM antenna terminal
L6402
F
Fig.2 Adjustment Point 20
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XR-A390
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