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RX-P840
1.7 ADJUSTMENT
(1). TUNER SECTION
FM
Tuner Section
@ Set the mode selector to FM BAND.
@ Connect the wiring as shown in Fig. 1-1.
Frequency
Display
Adjustment
Title
Adjustment
Location
(MHz)
(BzV)
98
1
Center
Non
80 or more | 98MHz | 16207
Adjustment
:
modulation
98
0-30
98MHz
maximum level, adjust T6101.
TUNED IND.
Adjust so that the indicator of TUNED IND.
Notes:
© Before adjusting, make sure there is no gap between L6101 and L6102. If there is a gap between them, bring them into
contact with each other first, and then make adjustments.
@ Make indicator adjustments in order of AM — FM.
FM752 Antenna
Terminal!
1C6201
Fig.
1-1
FM Adjustment Connection Diagram
Adjust so that the DC voltage between Pin 4
and Pin 28 of IC6201 becomes 0V+50mV.
After adjusting L6104 so that the DC voltage
of the Pin 12 of IC6201 (S-meter) becomes at
Front End
Sencitivity
@ AM Tuner Section
@ Set the mode selector to AM BAND.
e@ Connect the wiring as shown in Fig. 1—2.
AM SG (400Hz, 30% Mod.)
R
ti
Adjustment
eception
Adjustment
After adjusting VR6202 so that it is
TUNED
IND.
VR6202
illuminated when the ANT. input level is
Lighting Level
within 45+3 dBeV/m, confirm that it is
extinguished at or below 40dByV/m.
Note : When SD type is used, set the AM frequency step to 10kHz.
AM
Antenna Terminal
RX-P840
AM
Loop
Antenna
Fig.
1-2
AM (MW) Adjustment Connection Diagram
1-11
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