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 13 (kliknij aby zobaczyć)
TUNER SECTION
0 dB = 1 µV
FM FREQUENCY COVERAGE Frequency Display Adjustment Part ADJUSTMENT 87.5 MHz 1.6 ± 0.4 V <confirmation> 108 MHz 4.0 ± 0.1V L2
� FM Section Setting: RADIO (BAND) button: FM
FM RF signal generator TP (FM ANT) 0.01 µF
set
75 kHz frequency deviation by 1 kHz signal output level : as low as possible
Reading on Digital voltmeter
FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L1 87.5 MHz CT1 108 MHz
AM FREQUENCY COVERAGE CHECK � AM Section Setting: RADIO (BAND) button: AM
AM RF signal generator Put the lead-wire antenna close to the set.
Frequency Display Reading on Digital voltmeter Adjustment Part
530 kHz 1.0 + 0.7 V � 0.5 V
1,710 kHz 4.8 + 1.2V � 0.6 V
<confirmation> <confirmation>
AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L4 620 kHz CT3 1,400 kHz
30% amplitude modulation by 400 Hz signal
� For AM adjustment, fix the ferrite-rod antenna (L3) as shown below and then perform tracking adjustment at L4 and CT3. Lastly check the voltage.
3.0 ± 1.0 mm
level meter (range: 0.5�5 V ac) 32 �
� Connecting Level Meter (FM and AM)
set
2 jack (J301)
L3 AM FERRITE-ROD ANTENNA
Adjustment Location: See page 14. � Connecting Digital Voltmeter (FM and AM)
digital voltmeter 100 k� TP (VT) (JW17)
� Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors.
