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XR-P7@M,
XR-P64OM, XR-P3@M
xR-P7 40, XR-P64(), XR-P34()
1.7 ADJUSTMENTS
1. TUNER SECTION
I FM Tuner Section
a Set the mode selector to FM BAND.
a Connect the wiring as shown in Fig. I
1.
o Before adjusting, make sure there is no gap between L6101 and L6102. If there is a gap between them, bing them into
contact with each other first, and then make adjustments.
o Make indicator adjustments in order of AM - FM.
F M 7 5 Q A n r e n n a T e . m i n a t
l a ; ? n 1
Fig. 1- 1 FM Adjustmont Connection Diagram
I AM Tuner Section
a Set the mode selector to AM BAND.
a Conoect the wiring as shown in Fig. I 2.
Step No.
Adjustment
Title
FM SG (lkHz, t 75kHz dev.)
Reception
Frequency
Display
Adjustment
Location
Specifications
Frequency
(MHz)
Level
(dBpV)
I
Center
Adjustment
98
Non
modulation
80 or more
L6207
Adjust so that the DC voltage befween Pin 4
and Pin 28 of IC6201 becomes 0Vt50mV.
2
Front End
Sencitivity
98
l0- 30
98MHz
L6102
T6101
Adjust so that the DC voltage of the Pin12 of
IC6201 (S-meter) becomes at maximum
level.
3
TUNED IND.
Lighting Level
98
lfi.2
98MHz
vR6201
Adjust so that the indicators ot TUNED
IND. start to light up.
Nofes.'
I C 5 2 0 1
X R _ P 7 4 O M , X R _ P 5 4 O M , X R _ P 3 4 M
x R - P 7 4 0 , X R - P 6 4 0 . X R - P 3 4 0
D C V O L T M E T E R
Step No.
Adjustment
Title
AM SG (400H2, 3070 Mod.)
Reception
Frequency
Display
Adjustment
Location
Specifications
Frequency
(kHz)
Level
(dBpY,h)
I
TUNED IND.
Lightirg Level
999
4 7 ! 2
999kHz
vR6202
Adjust so that the indicators of TUNED
IND. start to light up.
Note.'
a When SD and YPW type is used, set the AM Irequency step to 10kHz.
A M An renna Ter.m r na l
X R _ P 7 4 O M , X R _ P 6 4 O M , X R _ P 3 4 M
x R - P 7 4 0 ,
x R - P 5 4 0 . X R - P 3 4 0
A M L o o p A n t e n n a
1 - 2 0
Fig, 1-2
AM IMW) Adjuslment Connection Diagram
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