Icom IC-R8600 - MAINTENANCE (Continued); Troubleshooting Common Problems

12-18
56P
C2116
10P
C2112
10P
C2902
0
R2112
56P
C2114
56P
C2111
10P
C2113
NJG1650HB6
IC2111
2
P3
3
GND
4
P2
5
VCTL2
6
P1
7
VCTL1
8
PC
1
VCTL3
560k
R2111
NJG1650HB6
IC2112
2
P3
3
GND
4
P2
5
VCTL2
6
P1
7
VCTL1
8
PC
1
VCTL3
56P
C2124
560k
R2114
56P
C2122
10P
C2126
0
R2113
10P
C2125
47P
C2153
MMZ1005Y102CT
EP2151
10P
C2152
33N
L2151
56P
C2905
0
R2902
56P
C2904
56P
C2901
10P
C2903
NJG1650HB6
IC2901
2
P3
3
GND
4
P2
5
VCTL2
6
P1
7
VCTL1
8
PC
1
VCTL3
560k
R2901
0
R2903
560k
R2904
NJG1650HB6
IC2902
2
P3
3
GND
4
P2
5
VCTL2
6
P1
7
VCTL1
8
PC
1
VCTL3
56P
C2910
10P
C2912
10P
C2913
56P
C2911
LDTC114YE
Q2102
10k
R2103
CLIN2131
1 2 3
4 5 6
CLIN2132
1 2
3 4
CLIN2133
1 23
4
CLIN2134
1 2 3
4 5 6
J2102
1 2
3 4 5 6
78
10P
C2128
56P
C2914
1k
R2115
1k
R2116
1k
R2117
1k
R2118
1k
R2905
1k
R2906
1k
R2907
1k
R2908
MMZ1005S601CT
EP2102
TL1
12
TL2
12
TL3
12
TL4
12
TL5
12
TL6
12
TL7
12
TL8
12
TL9
12
TL10
12
TL11
12
TL12
12
TL13
12
TL14
12
PGA-105+
IC2151
IO
G
0.5P
C2915
0.5P
C2920
TL15
12
TL16
12
TL17
12
TL18
12
J2101
J2901
0.75P
C2115
0.75P
C2919
0.75P
C2918
0.3P
C2127
0.5P
C2123
0.3P
C2916
0.75P
C2917
68
R2151
100
R2152
100
R2153
2427 F-EARTH SPRING
MP2901
VCTL1 VCTL2 VCTL3
H
L
L
L
H
L
L
L
H
P1
P2
P3
UB1S UB1S
GND GND
CONV5V
3R3V
TO RF UNIT
(
6/6
)
CONV-BPF IN CONV-BPF OUT
2000~2500 MHz
2500~3000 MHz
W1
W2
W3
W1
W2
W1
W2
W1
W2
W3
CLIN2141
1
2
3
4
5
6
CLIN2142
1
2
3
4
CLIN2143
1
2
3
4
CLIN2144
1
2
3
4
5
6
TL19
12
TL20
12
TL21
12
TL22
12
W1
W2
W3
W1
W2
W1
W2
W1
W2
W3
4.9 V
(
Higher than 2000 MHz
)
• CONV-BPF UNIT