Icom IC-FR5000 Service Manual Addendum page 23

(Amended page)
July 2016
• MAIN-B UNIT (1/6)
8V
POWER SUPPLY
+10V +10V
+10V
3.3VA
3.3VA
+5V TLVIN
+5V
8V TPLST
8V
PLSCK
R8V PLSSO
R8V
TUNLK
HV
HV
VCC
VCC
DSP5V
DSP5V
REF5 TPLCS
REF5
L1
PLL IC 3.3VA
TPLST
TPLST 1.8U
R609
PLSSO
PLSSO
1k
PLSCK
PLSCK
TUNLK
TUNLK
CONTROL
14 VDD_IO
TEMP
TEMP 13 LOCKDET
12 GND_P
TMUT TVCOSW R601 1k
TMUT 11 DOUT1
TLVASW R602 1k
10 DOUT2
TXC TLVA1
TXC 9 DACOUT1
TLVA2
8 DACOUT2
RXC
RXC
TPLCS
TPLCS
BATV
BATV
PWR
PWR ACZ1005Y
+5V
TLVIN
TLVIN EP2
TREF
TREF
BAL
BAL
MOD
MOD
RFPO
RFPO
RXIN
RXIN
FANV
FANV
FANS
FANS
PDET
PDET
TX REF(15.3MHz)
+5V
R495 R1 R20
TREF
IC37
100k 120k 820k
TC75S51F
R2
5
3
BAL
0
4
10k
1
R26
2
7.2 V
R107
TLV +10V
100
Q8
0.9 V
0.8 V
2SK880
2.2k
R91
C713
0.1
C714
0.1
C715
TX PLL
0.1
C716
0.1
R606
C717
1.2k 0.1
C52 0.068
CP_MON
22 C719 0.1 2SC4116
C_HSLOCK
23 Q10
R76
VDD_CP
24
CP
25
0
CP_F
26 C552 Q4
GND_DIV R101
27 0.1 2SK880
VCO_P
28
100
0.9 V
29
1.2 V 1.2 V
R603
0
L5 C109
33N
10P
C94
10P
C712
0.1
Q75
DRC9114E0
R12
ERTJ0EP473J
EP13
OT-009
HV
EP14
OT-009
MMZ1005A601ET
15.3 MHz
EP1
1.4 Vp-p
1.5 V
X1
1 VCON 4
VCC
0
2 GND 3
OUT
R65
15.3MHZ
J9
1
2
3
TX_ VCO1 ON: 5.0 V
TX_ VCO2 ON: 4.9 V
8.0 V 7.3 V
2SC4116
Q15
TX_VCO2
155-174MHz
D13
L11 1SV282 C172
4.7U 47P
6.0 V
L19
0.9 V C162
4.7U
1
R125
390
2SC4116
Q13
1SV282
L12 C174
4.7U D14 39P
0.7 V
L64
C176
4.7U
R136 1
10M
R127
56k
R137
Q76 10M
DRC9114E0
DSP5V
IC39
NJM7805DL1A
I O
G
13.4 V
1.6 V
L61 LM2904PWR
4.7U
8 IC38
V+
GND
4
Q62 12.1 V
DSC7004S0
FAN
R372 R505 R506 R507
470 0 220k 100k
R374
2
1
10
3
IC38
LM2904PWR
6
7
3.9 V
5
11.5 V
IC38
LM2904PWR
TX_ VCO1 ON: 4.5 V
TX_ VCO2 ON: 4.5 V
8V
TVCO8V
7.2 V
L18
C191 R165
Q22
2SC4226
39P
0
C220
R157
0.5P
120k
L25
4.7U
R138 R141 0.7 V
47k 10k
TX_ VCO1 ON: 4.5 V
TX_ VCO2 ON: 0 V
TX_ VCO1 ON: 5.0 V
TX_ VCO2 ON: 5.0 V
R166
L15 C192
Q23
2SC4226
135N 39P 0
C222
R151 0.5P
Q27
4
120k
L26
5
R158 R146 4.7U
DMC561040
47k 33k
TX_VCO1
TX_VCO SW
136-155MHz
TX_ VCO1 ON: 4.8 V
TX_ VCO2 ON: 4.5 V
MP1
TX_ VCO1 ON: 0 V
2979
TX_ VCO2 ON: 4.6 V
REF5
5.0 V
0 V
REF5
5.0 V
14
3.0 V
C250 R198
15P
100
Q24
2SC5107
C251
10P
0.7 V Q33
2SC5107
TX_ VCO1 ON: 2.8 V
TX_ VCO2 ON: 0 V
3
DRC9114E0
2
Q28
1
TX_ VCO1 ON: 3.9 V
TX_ VCO2 ON: 2.8 V
3.7 V
13.6 V
VCC
Q57
Q58
DRC9144E
2.7 V
*; Refer to "PARTS LIST."