Icom IC-R7100 Service Manual page 53

RECEIVER ADJUSTMENT
(Conllnued)
MEASUREMENT
ADJUSTMENT
POINT
ADJUSTMENT
ADJUSTMENT CONDInONS VALUE
UNIT LOCATION UNIT ADJUST
CONVERTER
,
• Displayed frequency: 130.0000 MHz
CONV
Conneet the AF
Maxim um value CONV
Adiust
in
LO
- C4, C5, C6
: Center
voltmeter to the CP (More than - 5 dBm)
sequence
(DOUBLER UNID
(La slde). l2, L3
L4, C20
C24, C26
LB
DOUBLER
,
• Dlsplayed freq uency : 1300.0000 MHz
OOUBLER Conneet the RF
Maximum value OOU8LEA Adjust
in
voltmeter 10 the CP
(More than
+
6 dBm)
sequence
(IC' side).
C4,CS
ce
2
Connecl lhe
1000.000 MHz
CONV C4
frequency counter to
the CP (IC' slde).
• CONV UNIT
®
0
o
CP
Doubler check p o l n t : - - - - - - -
r-C6
f-C5
Doubler adJustment------j
'--C4
OOUBLER U N I T - - - - - - - - - - f - - . . J
r-;::::::;;:=~I-C26
~~~t=t=;~C24
rf
C20
L - - - ' Converter LO adju stment
r-lI---f--f-1II----L4
r
rt---t----1It-L3
-----C4
1 GHz frequency adfu etment
LB
Conv erter lO adjustment------t-----'
CP
Converter LO check p o l n t - - - - - - ' l - - - - - - - - - '
o
®
6-10