jedyne do czego mogę mieć zastrzeżenie to jakość zdjęć zawartych w przesłanej instrukcji serwisowej ponieważ są fatalnej jakości, praktycznie nieczytelne. tak poza tym jestem zadowolony to jest to czego szukałem.
Instrukcja jest OK. Schematy czytelne, opisane niektóre procedury.
Tekstowy podgląd strony 20 (kliknij aby zobaczyć)
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5. ADJUSTMENT
Note : Adjustment of XR-A390 are the same as those of XR-A4800 except for the following:
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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.
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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.
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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.
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Sensitivity
T6201
Note (�1) : For the area using 10kHz step, frequency should be 1000kHz. 60cm Loop antenna