Icom IC-F4210D Series, Service Manual

Page: 35 / 39

10 - 1
SECTION 10. VOLTAGE DIAGRAM
*: Refer to the PARTS LIST for the value and name of component.
• MAIN-A/-B UNIT (1/3)
TA75S01F
IC1
1
2
3
4
5
Q26
2SC4116
NJM2591V
IC3
1 OSCIN
2 OSCOUT
3 MIXOUT
4 V+
5 IFIN
6 DEC
7 FILOUT
8 FILIN 9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
NOISEDET
14
NOISEREC
15
GND
16
MIXIN
MMZ1005Y102CT
EP5
R80
1k
MMZ1005Y102CT EP4
NOIS
SQIN
TMUT
S5V
NWC
MOD
HV
R5V
+5V
SCK
T5V
UNLK
LVIN
PLST
VCON
SSO
RSSI
1SS390
D36
1SS390
D37
1SS390
D38
1SS390
D39
FL-442
FI1
1
IN
2 OUT 3
GND
4 GND
5
6
2775
MP3
1 2 3 4
10
C235
100P
C231
3P
C251
56P C252 56P C254
10P
C256
10P C158
47P
C155
47P
C154
47P
C153
HK3-S-T
ANT_BOARD
LTM450HW
FI4
I O
X1 JTBM450CX70
0.001 C33
0.001 C32
0.001 C28
0.001
C26
0.001
C224
0.001
C236
0.001
C238
0.001 C240
0.001
C160
0.001 C152
1
C91
0.1
C31
0.01
C227
0.01 C226
0.01 C255
0.01 C257
0.1
C159
0.1
C156
0.1
C244
330P C239
6P
C253
OG-503040
MP4
0.01 C218
0.22
C30
0.1 C267
LTM450FW
FI3
I O
2SC4116
Q28
0.1 C271
0.1 C272
0.1
C273
NJM2711F
IC5
1
2
3
4
5
0.033 C275
27P
C276
0.1 C274
0.1
C277
0.01 C284
0.01 C290
0.01 C282
0.01 C286
0.1 C291 0.1 C292
0.001 C293
0.22 C146 0.22 C145
100P C144
100P C151 0.01 C150 10 C148
ADS
T1
T2
LVA
DIF
S5C
PLSW
+3.3V
0.001
C147
0.1 C266
L23 0.18U
L24 0.18U
LDTC114YE
Q29
LDTC114YE
Q27
TC7W66FK
IC6
1
2
3
4 5
6
7
8
RXC
Q16
LDTC114YE
HVD144A
D31
HVD144A
D32
HVD144A
D33
HVD144A
D34
2.5P
C8
1.5P
C4
10.3N
L3
13.6N
L1
1.5P
C1
0.001
C10 13.6N
L2
8P C2
0.001
C7
4P
C171
L11
22N
2P C172
D22
HVD142A
0.001
C173
47P
C175
7P
C181
D26
HVB350BYPTL
1 2
3 4
0.001 C183
6P C179
0.1 C184
D24
HVB350BYPTL
1 2
3 4
8P C177
0.001 C182
L15 12N
D21
L1SS400
0.001
C192
0.001
C188
Q22
3SK293
0.001 C189
2SK1829
Q21
0.001
C194
L16 12N
12P C198
0.1 C203
0.5P
C197
D28
HVB350BYPTL
1 2
3 4
12P C196
0.001
C201
47P *C221 0.001 C211 0.01 C217 0.001 C216
18P C215
L20 0.56U
L19
56N
0.001 C223
Q23
3SK293
47P C213
0.001
C214
47P C233
0.01 C225
0.001 C19
RD07MUS2B
Q1
2.8N
L6
18.3N L7
0.001
C18
0.82U
L4
9P *C44
0.001 C49
0.001 C38
47P C36
2.8N
L5
330P
C37
0.001
C11
47P C39
HVD142A
D3
MPZ2012S331A
EP6
1.0N L48
0.001
C52
0.001
*C54
L8 12N
10P
C55
330P C57
47P
C58
4P
C51
4.7
C34
0.001 C35
0.001
C65
D5
HVD142A
5P
C59
0.001
C61
L9 18N
47P C60
0.001
C64
10P
C71
D6 HVD142A
47P
C206
2P C208
L18
39N
2P C209
5P
C210
7P
C168
7P C167
18N
L46
100P
C149
L31 33N
0.001
C72
5P
C74
0.001 C73
3P
C81
0.001
C76
47P C82
L32 33N
6P C141
L33 22N
2P C66
0.001
C78
0.001
C77
Q11
LDTC144EE
MMZ1005A152ET
EP11
0.75P
C83
0.5P
C101
EP14
0.01 *C122
Q15 2SC4116
10 C121
0.001
C85
18P C87
MMZ1005Y102CT
EP3
330P
C84
OG-503040
MP5
0.001
C109
D12
HVD350B
330P C93
47P
C94
D16
HVD350B
0.47U
L41
0.5P C110
0.001
C120
0.001
C124
0.001
C123
Q17
2SK880
1
C116
0.1
C186
330P C47
FL-448
FI2
1
IN
2 OUT 3
GND
4 GND
5
6
9P C288
0.001
C157
LTUCG450G
FI5
DET
Q3
2SC3356
0.001 C112
0.0015 C117
33P
C232
CP1
CP06S
0.47U
L37
0.47U
L42
MMZ1005A152ET
EP7
MMZ1005A152ET
EP8
2P
C195
2P
C199
12P C89
HVD350B D11
L36
0.30-0.9
5P C86
12P
C107
12P
C106
10P C105
1U
L35
33P
C241
Q13
2SC4226
Q14
2SC4226
Q4
2SC5107
Q8
2SC5107
Q9
2SC5107
Q10
2SC5107
Q24
2SC5107
47P C48 47P C50 0.001 C68
47P C75
47P
C95
L40
0.30-0.9
27P
C176
33P
C180
2P
C178
5P
C63
3P C9 7P C5
LRB751S
D2
LRB751S
D1
1P
C3
1P C6
6P
C283
5P
C104
3P
C108
8P
C111
0.5P *C90
0.001C127
47P
C103
0.001
C102
27P *C14
HVD396C D14
1
C300
L13 22N L14 22N
330P
C53
0.001
C80
Q95
LDTC114YE
0.001
C27
AK1541P4
IC4
1 CPVDD
2 TEST4
3 TEST1
4 LE
5 DATA
6 CLK
7
LD
8
PDN2
9
PDN1
10
REFIN
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
SWIN
24
CPVSS
25
12P C364
15.3MHZ X2
1
VCON
2
GND
3
OUT
4
VCC
47
C43
OG-363050
MP16
0.01 C130
DB2S31400
D10
0.001
C98
LDTC114YE
Q12
0.1
C261
0.1
C262
0.1
C263
0.1
C264
0.1
C265
8P C12 18P C13 30P C15
56P
C45
10P C62
22P
C200
0.001 C301
47P
C302
47P
C303
47P
C304
OG-503040
MP15
4P C67
47P C170
47P C185
47P
C258
47P C219
180P C242
180P
C243
MMZ1005F560C
EP9
R138
470
R147
1.5k
R132
10k
R146
47
10k
R82
R13
10
27k R151
8.2k R152
27k R155
R148
1k
R149 680k
R140
3.9k
R175
560
R9
10k
R8 22k
10
R172
100
R162
180k
R161
1k
R190
1.5k
R165
6.8k
R167
5.6k R166
100
R163
4.7k
R164
3.3k
R173
3.3k
R174
1k
R177
27k
R81
100k
R84
100k R134
10k
R16
4.7k R158
1.5k R169
100k
R58
2.7k
R2
2.7k R5
1k
R4
68k R1
1k
R3
R105
10k
1k R156
R104
10k
R106
47k
R102 470k
R112 47
R109
10
R101
220k
R108
82k
R103
1.8k
R113 680
R110
100
R115
100k
R114
100k
R116 120k
1k R157
12k R159
120k
R118
150k R119
R122
47
R121 3.3k 100k R117
R120
120
R139
100k
10
R21
220 R6
33k
R23
4.7k R22
R29
47
R30 22k
33k
*R28
47 R24
4.7k R27
R35 4.7k
R31 100
R36
10k
R37
100
R83
56
R41
10
R42 68k
R43 100
R44
100k
R45
100
R46
100k
R67
2.2k
R64
10
R87
100k 470k
R68
R66
150k
R65
27k
R72
100
R71 10k
6.8k
R74
R73 10k
R127 120k
R126 100
5.6k R178
22k R176 22k R171
R135 1.5k
1.5k
R136
R78
0
1.2k R79 R77 2.2k
R76
120
270k R59 120k R62
R141
68k
R14
270
R15
1k
R12
470k
R10
100k
R57
0
27k
R107
R32 22k
R11 82k
R128
680
R70
220k
R69 150k
R53
6.8k
R54
6.8k
R55
6.8k
R56
6.8k
0 R50
10k R60
560k
R398
R52
470
0 R181
3.3k
R182
3.3k
R183
680
R184
8.2k R153
3.3k R154
560
R150
R142 100k
RD01MUS1
Q2
100P
C964
0.33
C132
0.47
C134
1
C119
D15
BB857
R51 470
9P
C88
18P
C92
PLST
SSO
SCK
R5V
S5V
+5V
HV
UNLK
NOIS
LVIN
SQIN
VCON
MOD
TMUT
NWC
RSSI
PLST
SCK
SSO
T5V
T2
+5V
S5C
+5V
UNLK
R5V DIF
ADS
LVA
T1
T2
ADS
DIF
R5V
S5C
PLSW
+3.3V
+3.3V +3.3V
T5V
S5V PLSW
RXC
T1
RSSI
S5V
VCOV
MOD
T5V T5V
LVIN
DET
LVA
NOIS SQIN
APCV
PAV
DET
T1
S5V RXC
TMUT
+5V
VCON
HV
NWC RSSI R5V
R5V
R5V
+5V
LPF
APC
AGC
RF AMP
MIX
IF AMP
IF IC
REF
T5V
R5V
HV
T5V
*3 MULTI
PLL
S5V
HV
T5V
L:NARROW H:WIDE
TX VCO
RX VCO
TX 0.82V
RX 0V
TX 4W 2.26V
TX 1W 0.98V
RX 0V
TX 1.66V
RX 0V
TX 4.89V
RX 0V
TX 4W 3.50V
TX 1W 1.56V
RX 0V
TX 4W 1.76V
TX 1W 1.25V
RX 0V
TX 1.34V
RX 1.34V
TX 0.70V
RX 0V
TX 0V
RX 1.99V
7.50V
0.78V
0.76V
4.51V
4.98V
4.24V
0.77V
TX 1.72V
RX 0V
TX 0V
RX 1.73V
TX 1.75V
RX 2.43V
LOCK 3.23V
UNLOCK 0V
15.3MHz
1.06Vp-p
W 2.74V
N 0V
TX 0V
RX 0.59V
TX 0V
RX 4.69V
TX 0V
RX 3.27V
A 2.69V
D 0V
TX 0V
RX 0.55V
TX 0V
RX 0.65V
TX 0V
RX 1.77V
TX 2.80V
RX 0V
TX 1.99V
RX 0V