Icom IC-F5121D, Service Manual

Page: 36 / 40

11 - 2
• MAIN UNIT (1/3)
*: Refer to the PARTS LIST for the value and name of component.
8.0V
5.0V
7.1V
TX 3.0V
RX 0.0V
TX 2.3V
RX 2.2V
TX 0.0V
RX 2.9V
TX 6.7V
RX 0.0V
TX 8.0V
RX 0.0V
50W4.9V
25W3.9V
13.6V
TX 0.0V
RX 3.0V
50W2.3V
25W1.6V
TX 0.2V
RX 1.4V
TX 0.0V
RX 6.5V
TX 0.0V
RX 5.7V
TX 0.0V
RX 3.9V
TX 0.0V
RX 0.5V
TX 0.0V
RX 7.9V
TX 0.0V
RX 7.4V
Narrow0.0V
Wide
2.1V
4.9V
4.9V
3.0V
5.0V
Narrow 0.0V
Wide
2.1V
Narrow 0.9V
Wide
1.0V
5.0V
5.0V
UNLK 0.0V
LK
3.3V
1.0Vp-p
15.3MHz
3.3V
TX 0.0V
RX 2.3V
L30
AS080547-47N
C1 18P
C8 22P
FI7
NFM60R20T152
1 2
3
C2 22P R1 100K
L35
AS080547-47N
*FI6
1 2
3
L33
AS080547-47N
R8
100
FI8
NFM60R20T152
1
2
3
R337 0
R52
15K
C79
0.22
R55
4.7K
R57
10K
R56
150K
IC2
TA75S01F
1
2
3
4
5
*Q21
R38 100K
R41 0
Q20
3SK293
R14 10K
R301 150K
R320
470K
R39 47
R40 1.5K
D37 HVC375B-E
D31 HVC375B-E
R22 10K
R43 470
R300 56K
R19 100K
R17 100
Q22
2SK1829
R302 56K
R237 680K
Q4
2SC4116
R340 10K
R68 10K
*L21
R69 4.7K
L8
0.25-1.9-7TL
R86 120K
R84
3.9K
R311 220
R91 22K
L5
0.25-1.9-7TL
D7 HVC376B-E
L3
0.35-1.6-7TL
R100 10K
R85
3.9K
Q2
2SC4116
R101
1K
R73 100
D5 HVC376B-E
R71 100
R80 1K
R328
0
R79
1.8K
R74 120K
R339
0
R77
2.2K
Q3
2SK880
Q12
2SC5006
R317 1K
R89 10K
R92
100K
R83
1.8K
D4 HVC376B-E
Q15
2SC5006
R70 100
R98 2.2K
HV
T8V
R8V
8V
+5V
+3.3V
NWC
T1
T2
TMUT
RXC
MOD
F
SCK
SSO
SQIN
C195 0.22
NOIS
DISC
RSSI
LVIN
UNLK
PLST
LVA
L36 C2520C
L32 C2520C
R16 270
R12 100
L28 C2520C
L25 C2520C
L20 ELJND
R31 100
R299 180K
L13
ELJRF
L14 ELJND
R236
1.2K
*R48
R51 560K
R54 10K
R58
470
R59 18K
R387 4.7K
D10 HVL355CM
Q11
2SC5006
L17 ELJRF
L27 FHW1210HC
L26
AS080547-47N
*C402
*C403
C3 0.5P C5 0.5P
C6 22P
R15 270K
R213 10K
R67 100
R53 220
L10
NLV25T
R235 10K
R50 470
R234 10K
R310 10K
R211 47
L34
C2012C-56NG
R75 220K
R76 100
L7
C6342A
C7 22P
C404 22P
C9 18P
*C82 *C83
R350 27K
R353 8.2K R354 8.2K
R351 27K
L1
ELJNC
L24
ELJRE
EP1 MMZ1005Y102CT
EP7 MMZ1005Y102CT
L4 ELJFC
L29 AS080547-47N
L6 MLF1608K
C75 10
C148 10
R291
100K
MP 1
1 2 3 4
R4 10K
R7 10K
L2
NLV25T
Q17
2SC3357
L19 ELJRE
R332
0
Q9
2SK3019
R29 82
R390 33K
D34
DA221
*IC3
1
RF INPU
T
2
GATE BIAS
3
DRAIN BIAS
4
RF OUTOPUT
C451 10
EP9
MMZ1005Y102CT
R21
10K
R23
10K
R319
10K
D30 MA2S7280G
R11
4.7K
R13
4.7K
Q19
3SK293
R90
82K
*R49
R9 10K
R348
120K
R349 270K
C487 0.33
W1
RDS2T0R0
R393 1.5K
C499 0.1
C496 0.01
R488
3.3K
R484
3.3K
R490
1K
C489 7P
R125 560
R493 1K
C495 0.01
FI4
FL-442
1
IN
2
OUT
3
GND
4
GND
5
6
R123 10
C501 0.001
R489
3.3K
R479 27K
R483
3.3K
C500 0.1
C490 0.5P
C494 0.01
C493 0.01
R176 1.5K
C283
0.1
R174
6.8K
R171
100
C491 0.033
Q5
2SC4116
R172
180K
IC5
NJM2711F
1
2
3
4
5
R175 5.6K
C282 0.1
C284 0.1
R173 1K
C503 0.22
R93
27K
C502 0.22
C150 0.01
C155 0.001
C140 100P
C505 10
C488
0.001
C504 100P
EP8
MMZ1005Y102CT
R496
EXB28V102J
R492
100K
IC8
AK1541
1
CPVDD
2
TEST4
3
TEST1
4
LE
5
DATA
6
CLK
7
LD
8
PDN2
9
PDN1
10
REFI
N
11
TEST2
12
TEST3
13
VREF1
14
DVSS
15
VREF2
16
RFINN
17
RFINP
18
PVDD
19
BIAS
20
PVSS
21
CP
22
CPZ
23
SWI
N
24
CPVSS
25
X2 CR-892(15.3MHZ)
1
VCON
2
GND
3
OUT
4
VCC
IC4
NJM2591V
1
OSCI N
2
OSCOUT
3
MIXOUT
4
V+
5
IFIN
6
DEC
7
FILOUT
8
FILI N
9
AFOUT
10
QUAD
11
I FOUT
12
RSSI
13
NOISEDET
14
NOISERE
C15
GND
16
MIXI N
C277 0.1
C492 0.1
D15 HVD142A
D16 HVD142A
D6 HVC376B-E
D12 HVC375B-E
D11 HVC375B-E
C305 56P C307 56P
C306
6P
C308 3P
C395
0.01
C394
0.01
AD S
VCON
DI F
C301 0.001
C408 0.001
C135 0.001
C54 0.001
C32 0.001
C480 0.001
C469 0.001
C88 0.001
C107 0.001
C391 0.001
C197 0.001
C476 0.001
C372 0.001
C87 0.001
C409 0.001
C58 0.001
C50 0.001
C482 0.001
C90
0.001
C28 0.001
C457 0.001
C119 0.001
C10 0.001
C479 0.001
C34 0.001
C110 0.001
C51 0.001
C19
0.001
C67 0.001
C141 0.001
C335 0.001
C368 0.001
C143 0.001
C38 0.001
C85 0.001
C12 0.001
C348 0.001
C66 0.001
C478 0.001 C59 0.001
C37 0.001
C42 0.001
C11 0.001
C472 0.001
C347 0.001
C196 0.001
C109 0.001
C74 0.001
C461 0.001
C467 0.001
C57 0.001
C343
0.001
C78 0.001
C99 0.001
C366 0.001
C337
0.001
C92
0.001
C462 0.001
C36 0.001
C81 0.001
C117 0.001
C104 0.001
C458 0.001
C303 0.001
C105 0.001
C77 0.001
C76 0.01
C116 0.01
C162 0.01
C398 0.01
C397 0.01
C108 0.01
C399 0.01
C309 0.01
C314 0.01
C60 0.01
C363
0.015
C33 0.1
C43 0.1
C396
0.1
C80 0.1
C31 0.1
C160 0.1
C53 0.1
C27 0.1
C151 0.1
C132 0.1
C120 0.1
C48 0.1
C71 0.1
C383 0.1
C312 0.1
C139 0.1
C73 1
C22
1.5P
C61
100P
C323
10P
C302
10P
C52 10P
C103 10P
C100
10P
C440
12P
C25 12P
C127
15P
C93
18P
C460
18P
C126
18P
C41
18P
C392
18P
C129 1P
C477 220P
C471 220P
C124
220P
C26 22P C20 22P
C46 2P
C114 33P
C134 33P
C115 33P
C106 47P
C152 47P C154 47P
C138 47P
C153 47P
C144 47P
C111 47P
C94 47P
C333 47P
C443 47P
C459 47P
C390 47P
C13 47P
C86 47P
C466 47P
C63 47P
C364 47P
C84 47P
C123
47P
C360 5P
C353 5P
C376 5P
C468 68P
C369 68P
C367 68P
C470 68P
C377 68P
C473 68P
C18 6P
C339 7P
C356 7P
C62
82P
C17 8P
C40
4P
C354 9P
FI1
LTM450HW
I O
C355 2.5P
L12 MLG1608S
L9 MLG1608S
*C380 *C381
*C411
*C72
FI2
LTM450FW
I O
C385
0.01
C384
0.01
PLSW
Q18
LDTC114YE
Q13
LDTC114YE
Q1
LDTC114YE
Q23
LDTC114YE
IC6
TA75S01F
1
2
3
4
5
R498 100K
R499 100
1 2
7
IC7
5
6
3
IC7
TC7W66FK
V+8
GND4
R500 100K
VREF
C508 0.001
C507 0.1
R486 680
D17
HVD144A
D14
HVD144A
D18
HVD144A
D13
HVD144A
R33 27K
R502
1.5K
Q24
LDTC114YE
R503 100K
X1 JTBM450CX70
C65 0.01
D2
HVD144A
D3
HVD144A
D8
HVD144A
D9
HVD144A
D24
RN752
Q8
LDTC114YE
C510 0.1
C14
0.001
R352 8.2K
R495 4.7K
*R6
*R5
*R10
*R212
*C4
*D211
2
3 4
R35 10
R290 330
R34 220K
FI3 LTUCG450G
FI5
FL-448
1
IN
2
OUT
3
GND
4
GND
5
6
D32 HVD142A
*D28
*D25 *D26
C198 0.1
C330 2.2
C342 0.33
R504
100K
C401 0.001
C456
0.001
C64 0.01
R505
6.8K
D27 LRB706F D29 LRB706F D35 LRB706F
CP1
L15 ELJRF
C285 33P
C300
15P
C113
0.5P
L16 ELJRF
C102 15P
C374 1
C112 1
L31
C2520C
C442
3.5P
C15 22P
C157 10P
C165
0.001
R30 3.3K
C498 8P
R485 0
R333
10
R334 470
R338 470
R386 12K
R385 27
R388 15
R97 0
R99 1.8K
R96 1.8K
C147 0.47
R95
220
C350
1
C145 47P
R20 150
C511 270P
C39 100P
C45 100P
R178
47
R478
15K
C286
8P
L11 MLF2012A
R36 1.5K
R494
1.5K
R37 1.8K
C35 1
R26 820 R27 820
R28
6.8
C49 15P
C509
4.7
R497
180K
R501
47K
C506
100P
R44
120K
C29 2P
C30
8P
C44 2.5P
C118
0.75P
C121 18P
C122 56P
C131 5P
C133 68P
R78 820
R42 68K
R45 270K
R46 3.9K
C68 82P
C69 180P
C70 180P C463 180P
C298 18P
C299 15P
R506 0
DET
Q14
2SC5107
Q6
2SC4226
Q7
2SC4226
Q101
2
3 4
5
HV
T8V
R8V
8V
+5V
+3.3V
T1
T2
TMUT
RXC
MOD
F
SCK
SSO
SQIN
NOIS
UNLK
RSSI
LVIN
PLST
DISC
LVA
NWC
RXC MOD
SQIN
+5V
ADS R8V
RSSI
SCK
PLST
SSO
+5V
T1 T2 RSSI NOIS +5V
T1
TMUT
8V
8V
ADS
VCON
DI F
HV
T8V
+5V +5V
LVIN
NWC
VCON
R8V
PLSW
VREF DISC +5V
LVA PLSW
LVA
PLSW VREF
+5V
NWC +5V NWC DI
F
T8V
+3.3V
UNLK
R8V
F
DET
DET
LP F
APC
IF AMP
RF AMP
IF IC
*3 MULTI
DRIVER
TX VCO
RX VCO
R8V
L:NARROW(Digital)
MI X
AGC
PLL
L:Digital
H:WIDE(Mid)
L:NARROW(Digital)
H:WIDE(Mid) H:Analog
IC7