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. FM SG (1kHz, ±75kHz dev.) Step No. Adjustment Title Frequency (MHz) Front End Sensitivity TUNED IND. Lighting Level Level (dBµV) Reception Frequency Display L6104 L6102 T6101 VR6201 Adjust so that the DC voltage between the IC6201-Pin 20 and GND becomes at maximum level. Adjust so that the indicator of TUNED IND. starts to light up. Adjustment Location
Specifications
1
70
0-30
70MHz
2
98
18±2
98MHz
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. AM SG (400Hz, 30% Mod.) Step No. Adjustment Title Frequency (kHz) Level (dBµV/m) Reception Frequency Display Adjustment Location Specifications
1
Front End Sensitivity
999*
1
35-45
999kHz*
1
T6201
Adjust so that the DC voltage between the IC6201-Pin 20 and GND becomes at maximum level.
*1: For the area using 10kHz step, frequencies should be 1000kHz
60cm Loop antenna
AM SG
Center
Center
AM antenna terminal
MPX SG
FM SG
PRODUCT
DC voltmeter
FM75� antenna terminal
Fig. 1 AM and FM Adjustment Wiring Diagram
FM/AM TUNER MODULE (AXQ7069)
AM antenna terminal T6201 AXX7041 YELLOW FM antenna terminal BLACK
