PIONEER XR-A390/DFXJ
Manual de Servicio

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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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