Icom IC-F50 Service Manual Addendum page 19

S5V
+5V
R103
47K
R102 470K
C211 IC16
BAL 2 X2 REF
1 1 4
4.7 R104 VCON VCC
3
REF
2 3
220K GND OUT
NJM12904V
CR-783
LVIN
EP6 ACZ1005Y
S5V
PLL
D24 R93
UNLK
R117 MA2S111
1k
SCK
M B15A02PFV1
4.7K
R118
CLOCK FIN
SO 9 8
DATA LD
10 7
PLST
LE GND
4.7K 11 6
FC DO
12 5
NC VCC
13 4
FOUT VP
14 3
P OSCOUT
15 2
B OSCIN
16 1
IC4
MOD
NJM12902V
R5V
+5V
DAST
4
V+ IC16
IC17
GND
11
TC4S66F
IC16
6
R111 R113
7
5
LVA
100K 4.7K
NJM12904V
C161
10P
2SC411 6
*3 MULTI
R5V
+5V
VCC
2SB1132
Q23
S5V
T5V
2SA1577
2SA1577
Q21 Q22
MP2(CHASSIS)
*F1 TPC6103
12
Q26
4
3
2
1
IC7
EW-460
D12
1 2
I O
G MA2S111
Q29
D TC144EU
EVQP7M01K
S1
38
Q17
R98
2SC411 6
Q18
R89
C127 L26
10K 47P 68N
2SK880
L28
3.3U
L39
33N
R97 5.6K
220P L25
R95
1k
C124 82N
L27
C150
3.3U
1
10P L38
C207
68N
L32
33N
MOD
R39
47
C166
IF IC
IC1
3P
FI2 1 16
OSCIN MIXIN
ALFYM450F=K 2 15
OSCOUT GND
2 1 3 14
MIXOUT N-REC
4 13
C168
0.1 VCC N-DET
5
5 4 3 12
IFIN RSSI
6 11
DEC I FOUT
Q19
390K 7 10
C163
FILOUT QUAD
8 9
C169 FILIN AFOUT
R44
4P
TA31136FNG
0.1
R43
C69 R45
100P 150K 470 C188
0.001
ERTJ0EP473J
TEM P
SIGNAL
NJM12902V
R186
CDE C 10
8 7
470
9
IC5 IC5
R185
470K
C225
470P
R153
Q25
Q24
XP6501
150K
DTA144EU
C170
0.1
R152
C172
TONE
0.001
560K 100K
R147
4
V+ IC5
GND NJM12902V
11
R180
SDEC
1k
37
VCC
T5V
ACZ1005Y
RX VCO
3.9k 1.8K
R85 R79
Q14
33P
R81
C126
0
2SC4226
L42
3.3U
Q12
Q11
TX VCO
3.9k 1.8K 2SC5107
2SC5107
R84 R83
Q13
Q15 XP1214
C123 4.7
5 1
68P R82
2
2SC4226
D TC144EU
R88
L43 Q16
4 3
3.3U 560
R5V
CDBKB450KCAY24 2P
C49
X1
C61 FI1
100P
FL-335 MIX
R33
C58
2 1
C62
C41 HVC350 B
0.001 330 Q3
Q4
10P
82P
2SC4215
3SK29 9
IF AMP
+5V
R189
220K 1
IC5
R188
C219
13
14
220K
12
NJM12902V
10K
0.001
IC6
R119
C228
1
VIN1 VIN8
2
VOUT1 VOUT8
3
VOUT2 VOUT7
C223
4
VIN2 VIN7
5
0.1
NJM12902V VDD GND
6
R183 R182 R181 LD RESE T
7
CLK VDAREF
5 8
22K 22K DI DO
22K
9
VIN3 VIN6
6 10
VOUT3 VOUT6
11
VOUT4 VOUT5
12
VIN4 VIN5
M62363F P
C171 C218
4.7 4.7
IC11
R151 1 8
68K 2 7
3 6
4 5 PMFM
IC5 TC4W53F U
2
1
3
NJM12902V
C265
0.001
+5V
2.2K 2.2K 47K
R130 R131 R132
C261
1 SVA
C262
1 SVA
IC10
1
AGNDIN TEST
2
R121 AGND RXIN
3
TXIN RXINO
4
12K
TXINO RXLPFO
5
LIMLV RXAF
6
EXTLMI N RXAFIN
7
MOD EXPOUT
8
VSS VDD
R122 C250
9
390K TCLK XIN
10
47P TDATA XOUT
11
DI/O DIR
C249
12
RDF/FC SCLK
47P
AK2346P
C248
47P
C247
47P
EXCCL3225U
L20
C102
7P
2SC5107
Q8
C92
RD01MUS 1
Q10
C100 M A2S077 C93 22P
Q9
2SC511 0
10P D1 4
15P
C183
10P
C182
0.001
R172 Q1
AGC
2SK1829
22K R174
C186
470K
0.1
R28
12
3SK293
C37
0.01
Q2
C40 HVC350 B
2.5P
HVC375 B C2 2 HVC375B C25
1.5P
C29 1P 6P
D4
120K
0.001 47P
10K
RF AMP
R1 4
R22
10K
IC12
EXSM 1 16
STR V+
SO 2 15 EXOE
D OE
SCK 3 14 TMUT
CLK Q5
4 13
R5C
Q1 Q6
T5C 5 12 MUT1
Q2 Q7
6 11 MUT2
Q3 Q8
S5C 7 10
Q4 Q'S
8 9
GND QS
BU4094BCF V
24
23
22
21
20
19
18
17
16
15
14
13
R141
C271
33K 0.1
IC13
1 14
22 MSVB 2 I/O1 VDD
2 13
O/I1 CONT1
3 12
C264 O/I2 CONT4
4 11
C263 I/O2 I/O4
5 10
CONT2 O /I4
6 9
0.001 CONT3 O /I3
7 8
33K VSS I/O3
BU4066BCFV
R124
24
23
R123
22
21
82K
20
19
18
17
16
R127
0.0022
15
R135
14
C256 33K
13
1M R126 R128
0.1
C246 C258
1M 33K
X4
47P
C245
CR-765
47P
9
T5V
MMZ1608Y102BT
J1(CHASSIS)
C302
47P
LPF
27.2N
D2
L16 L4 C10 L3 C7 C6 L2 L1
8.6N 5.8N 0 .001 45.3N 0.001 0 .001 24N
1SV307 C2
C8 6 C4
Q7
8P
82P 11P
RD07MVS2
R2
4 .7K
MA2S111
C7 9
0.1
R8 D25
220K
IC2
APC
5 R5
3
0.001 L5 R9
45.3N 4
C19 L6 10K
1
100
39N
2
TA75S01F
MA2S728
*R195
*C274 *C276
*C275
*C277
*Q27
*IC14
*IC15
15 22 8 1
RXOUT TXIN VCC CE
14 23 7 2
IC LFO/ P B XT
13 24 6 3
VSS VDD A XT *R144
12 1 5 4
AT X/CLK Q GND
11 2 *X3
*R14 5
LD/LTH X
10 3
SCIN SDIN
*C289
*C273
*; Refer to "PARTS LIST."