Icom IC-FR5000 Service Manual Addendum page 25

(Amended page)
July 2016
• MAIN-B UNIT (3/6)
+10V
POWER SUPPLY
+10V RLVIN
+10V
R23
3.3VA RPLST
3.3VA
PLSCK
+5V PLSSO
+5V
RUNLK
8V
8V
1k
R8V
R8V
RPLCS
PLL IC
L2
RPLST 3.3VA RX PLL
RPLST
1.8U
PLSSO
R621
PLSSO
PLSCK
PLSCK 1k
RUNLK
RUNLK
CONTROL
14 VDD_IO CP_MON
RREF
C_HSLOCK
RREF 13 LOCKDET
12 GND_P VDD_CP
RVCOSW R612 1k
11 DOUT1
RLVASW R613 1k
10 DOUT2
RPLCS RLVA1
GND_DIV
RPLCS 9 DACOUT1
RLVA2
VCO_P
8 DACOUT2
RLVIN
RLVIN
T1
T1
T2
T2 ACZ1005Y
EP3
DET +5V
DET
R614
D_IF
D_IF
0
SQL
SQL
RSSI
RSSI
NOIS
NOIS
NWC1
NWC1
+5V
NWC2
NWC2
2.9 V
C737
RXIN
RXIN 0.1
C59
0.001
45.9MHz
C34
4P
Q2
2SC4116
0.5 V
7.0 V
R102
RXLV
100
Q5 2.0 V
1.1 V
R93
2SK880
2.2k
C739
0.1
C740
0.1
C741
0.1
C742
0.1
R618
C743
0.1
1.2k
C58
0.068
2SC4116
22
C53 0.1
Q11
23
R78 Q14
24
CP 2SC4116
25
CP_F 0 R103
26 C738 Q6
27 2SK880
0.1
100
28
1.0 V
29 1.3 V
L6 C110
1.3 V
33N
C95 10P
10P
RX REF(15.3MHz)
R226 R286
Q77
220k 82k
15.3 MHz
10
4 VCC 1
1.2 Vp-p
VCON C566 DRC9114E0
0
R88
3 OUT 2
1
GND
R60 Q78
X2 15.3MHZ
C99
DRC9114E0
0.001
Wide Mode : 2.8 V
Narrow Mode: 0 V
Digital Mode: 0 V
Wide Mode : 0 V
Narrow Mode: 2.8 V
Digital Mode: 2.8 V
Wide Mode : 0 V
Narrow Mode: 4.8 V
Digital Mode: 4.8 V
RX_ VCO1 ON: 5.0 V
RX_ VCO2 ON: 4.9 V
8. 1 V
Q16
2SC4116
7.9 V
R121
7. 2 V
390
8.0 V
1SV282
L8 C169 L16 C184
4.7U D15 27P 67N 39P
2.0 V
0.7 V
L9
4.7U
RX_VCO2
155-174MHz
R69
10M
RX_ VCO1 ON: 5.0 V
RX_ VCO2 ON: 5.0 V
D16
1SV282
L10 C170 L21 C185
4.7U 27P C6342A 33P
L13
R111 4.7U
10M
RX_VCO1
136-155MHz
RX_ VCO1 ON: 4.8 V
RX_ VCO2 ON: 4.5 V
2.1 V 2.1 V
C555
0.1
C37
0.1
0
R48
FI1
CFWS450F
C13 C24
I O
0.1
0.1
25K
DAN235E DAN235E
D1 D2
C10 C22
I O
0.1 0.1
12.5K
FI2
6.25K
LTW450HT
Q1
DRA9144E
R544
0
RX_ VCO1 ON: 4.5 V
RX_ VCO1 ON: 4.5 V
RX_ VCO2 ON: 0 V
RX_ VCO2 ON: 4.8 V
RVCO8V
R154
1.8k
R160
0 Q20
2SC4226
C215
0.75P
L65
6. 4 V
4.7U
R161
0.7 V
1.8k
R162
0 Q25
Q21 0.75P
2SC4226
2SC5107
C216
Q26
4 3
DRC9114E0
2
Q30
L66
5 1
4.7U
DMC561040
MP3
RX_VCO SW
2979
RX_ VCO1 ON: 0 V
RX_ VCO2 ON: 4.5 V
R25 47 X3
IF IC
IC5
C92
1 OSCI 16
MIXI
2 OSCO 15
GND 0.01
3 MIXO 14
NDO
4 VCC 13
NDET
5 IFIN 12
C90
RSSI
6 DEC 11
IFOUT
7 FILO 10
C46
QUAD
56P 8 FILI 9 82P
AFO
Q17 AA32416A
C47 56P
2SK3019
47P R47 C42
10k 56P
R82
2.7k
J12
C85
10P
R66
100
IC7
5
4
1
0.1
3
C43 2
16
8V
8.1 V
0. 6 V
33
C275
R196 10P R380
Q34
4.7
2SC5107
RX_VCO BUFF
2.2 V
Q32
0.7 V
2SC5107
RX_PLL BUFF
RX_ VCO1 ON: 0 V
RX_ VCO2 ON: 2.8 V
0.01
Q7
C111
2SC4215
7.0 V 0.7 V
*; Refer to "PARTS LIST."