Icom IC-821H Service Manual page 23

- RF·B UNIT
UJm:GH~~~--J~UJl-
C132
:1~~:;;:;;;~~;~~~~:~t~
C120
• - lift~==~~~*~>m--
C114
C108
~~~~~HJ"---B~---4iWllAlL
L21
U~F sensitivity
[L25
adjustment
:=~~fff~ii~i=l~~1~5~~:;~!~~~~=
(SUB BAND)
L24 L27 ~:=i~--rr,::.n~--=--~~-
L26
UHF RX gain
R1 04
--ttt.~fi:L.,~~~~J:l r.!fllHII-----Ihfl-~=-~~:r==
L20
adjustment
L22
L23
-MAIN UNIT
®
UHF sensitivity
C.P.
check point
(MAIN BAND)
(M-S)
=
CJ
~~.D
c::J
C.P.
®
(S-S)
UHF sensitivity
adjustment
(MAIN BAND)
UHF sensitivity
check
~oint
(SUB AND)
Noise blanker
[ L8
D
L 118]
Noise blanker
L 110
adjustment
adjustment L10
5-7