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 53 (kliknij aby zobaczyć)
XR-A6800, XR-A4800
6. ADJUSTMENT
6.1 TUNER SECTION
FM Tuner Section
� Set the mode selector to FM BAND. � Connect the wiring as shown in Fig. 1. Step No. Adjustment Title FM SG (1kHz, ± 75kHz dev.) Frequency Level (MHz) (dBµV)
106 98 (ON STEREO) 98 0 to 30
Front End Sensitivity Stereo Distortion TUNED IND. Lighting Level
Adjust so that the DC voltage between the IC6201 - pin 20 and GND becomes at maximum level. Minimize the distortion with 1/8 rotation of the core. Adjust so that the indicator of TUNED IND. starts to light up.
2 3
80 18 ± 2
98MHz 98MHz
Note: 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. Step No. Adjustment Title
Front End Sensitivity
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 at maximum level.
1
T6201
Note (�1) : For the area using 10kHz step, frequency should be 1000kHz. 60cm Loop antenna
AM SG
Center
Center
AM antenna terminal DC Voltmeter
MPX SG
FM SG FM75� antenna terminal
PRODUCT
Fig.1 AM and FM Adjustment Wiring Diagram
FM/AM TUNER MODULE
AM antenna terminal T6201 AXX7042 YELLOW FM antenna terminal BLACK L6105 T6101 L6102 L6103 L6104
