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FM VCO Adjustment
Procedure:
FM RF SSG
0.01 µ F
TAP66
(ANT)
Carrier frequency
: 98MHz
Deviation
: None
: 562 µ V (55dB)
Output level
1. Connect the resistor 10kΩ between TP8 and TP(LPF).
2. Connect the frequency counter to TP8 (IC8 7 pin).
3. Set FUNCTION switch to FM.
4. Tune the set in 98MHz.
5. Adjust RV1 so that the reading on the frequency counter be-
comes 76 kHz.
Specifications: 75 kHz - 77 kHz
TP8
(IC1 7 pin)
[MAIN BOARD]
(SIDE A)
Adjustment Location: Main board (See page 9)
All manuals and user guides at all-guides.com
[MAIN BOARD] (SIDE B)
TAP66
REC
PB
-3 -4
frequency
counter
1 µ F
+
+
10k Ω
Adjustment Location:
RV1 : FM VCO adjustment
MAIN BOARD (SIDE A)
RV2 : AM IF adjustment
L4 : FM Tracking Adjustment
L7 : AM Frequency
coverage
adjustment
RV602 : Tape Speed Adjustment (4.8cm/s)
L3 : AM Tracking Adjustment
RV601: Tape Speed Adjustment (2.4cm/s)
WM-GX410
MAIN BOARD (SIDE B)
CT1 :
AM Tracking Adjustment
9
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