Icom IC-F33GS Service Manual - Section 11
11 - 1
SECTION 11
VOLTAGE DIAGRAM
*; Refer to “PARTS LIST.”
220K
R175
R295
47K
330K
R517
C42
0.001
R510
47K
R88
560
D2 8
RB706F
R243
4.7K
C43
0.001
R35
100
R220
22K
4.7K
R501
R185
6.8K
0.001
C171
R118
220K
C226
0.001
220K
R331
R69
10K
IC17
NJM2870
1
CTRL
2
GND
3
NB
4
VOUT
5
VI
N
0
R526
S1
EVQ-PUL
1k
R352
470K
R174
R98
2.2K
C139
0.
1
R1
10
C239
0.
1
R262
12K
R25
1k
C340
0.
1
0
R94
IC13
TC4W53FU
1
2
3
4
5
6
7
8
0.22
C17
R93
33K
C95
180P
C129
1P
R183
22K
C90
22P
10P
C157
R288
4.7K
10
C510
UNR9213J
Q40
L37
68N
10K
R293
TC7S66FU
IC25
1
2
3
4
5
J5
AXN330C038
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
R13
100K
18P
C56
R213
4.7K
470K
R337
C114
33P
1.5P
C22
R265
4.7K
0
R359
L9
56N
0.
1
C186
C7
4
0.001
0.
1
C177
CFWM450F
FI2
I O
0.015
C312
CP06 S
CP70
C387
0.
1
C380
0.1
1k
R525
R34
100K
1
C335
SW-167
S3
C166
3P
C71
0.
1
KEY
S18
R117
1M
1.8K
R173
R228
3.3K
24LC64T
IC10
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
C321
0.001
4.7U
L43
12K
R73
C105
0.001
TP76N00N
R315
C314
820P
C329
0.001
IC9
TA31136FNG
1
OSCIN
2
OSCOUT
3
MIXOUT
4
VCC
5
IFIN
6
DEC
7
FILOUT
8
FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
N-DET
14
N-REC
15
GND
16
MIXIN
C352
0.027
KEY
S24
47 MSVB2
C516
C323
0.047
MA2S111
D8
R111
100K
R104
47K
C61
100P
C375
0.001
Q7
2SC4215
1k
R346
R115
1.2K
0.0033
C317
CF20
CP68
IC6
2
3
1
R226
10
R161
10K
C351
0.
1
0.001
C408
100
C324
C104
0.001
C143
0.001
C209
0.001
5P
C208
56K
R223
D19
HVC375B
U NR9213J
Q501
R77
100
R247
470
R38
100K
2.2K
R270
C356
0.1
0.001
C168
C123
68P
C57
0.001
DS2
LNJ310M6URA
UNR9213J
Q50 0
C124
1P
R18
4.7K
R502
4.7K
R7
8
100K
R241
220K
220K
R333
CP06S
CP71
R68
1k
1k
R353
LM2904PWR
IC19
2
3
1
47P
C175
R263
100K
C28
3.5P
Q16
2SC5006
2SK1829
Q4
XP6501
Q27
1
2
3
4
5
6
470P
C145
1
C150
C78
0.001
R106
1M
R39
47
R289 100K
R95
1.5K
R506
220K
L35
0.22U
C112
0.0012
C393
0.1
LM2904PWR
IC19
V+
8
GND
4
Q6
3SK29 9
180K
R222
220K
R121
R214
47K
KEY
S19
R9
220
R89
10K
470K
R340
C98
22P
1k
R96
R120
47K
R19
100K
C167
0.
1
15P
C41
CP06 S
CP58
IC6
V+
4
GND
11
820
R518
SW-167
S4
C118
0.5P
KEY
S7
0.001
C303
4P
C55
4.
7
C238
C388
0.
1
C27
100P
0.1
C128
UNR9113J
Q28
6P
C29
R219
12K
D21
DAN202U
100K
R282
R229
1k
C221
0.039
22K
R172
1
C414
IC14
AK2346 P
1
AGNDIN
2
AGND
3
TXIN
4
TXINO
5
LIMLV
6
EXTLMIN
7
MOD
8
VSS
9
TCLK
10
TDATA
11
DI/O
12
RDF/FC
13
SCLK
14
DIR
15
XOU T
16
XIN
17
VDD
18
EXPOU T
19
RXAFIN
20
RXAF
21
RXLPFO
22
RXINO
23
RXIN
24
TEST
R86
100K
D25
MA2S728
CP1
CP06S
C315
0.
1
R124
100K
220K
R335
1k
R347
C73
0.001
C376
0.001
C58
0.001
0.001
C184
C325
10 MSVA
R245
68K
R163
10K
R157
10K
CF20
CP69
D6
MA2S077
C345
0.
1
47 MSVB2
C517
0.001
C407
R257
100K
0.
0
1
C404
C45
0.001
C169
47P
470P
C110
0.
1
C411
47P
C316
CF20
CP2
D14
HVC350B
22K
R221
SKHLLFA010
S2
0.
1
C398
0.001
C379
L41
18N
R156
0
S11188
DS3
1
SEG25
2
SEG26
3
SEG27
4
SEG28
5
SEG29
6
SEG30
7
SEG31
8
SEG32
9
SEG33
10
SEG34
11
COM1
12
COM2
13
COM3
14
COM4
15
SEG24
16
SEG23
17
SEG22
18
SEG21
19
SEG20
20
SEG19
21
SEG18
22
SEG17
23
SEG16
24
SEG15
25
SEG14
26
SEG13
27
SEG12
28
SEG11
29
SEG10
30
SEG9
31
SEG8
32
SEG7
33
SEG6
34
SEG5
35
SEG4
36
SEG3
37
SEG2
38
SEG1
R6
68K
R275
220K
470K
R341
C337
1
HVC375
B
D1
3
10
R12
1k
R354
R266
100K
HVC375
B
D1
1
C122
33P
6P
C18
KEY
S13
47P
C147
C369
100P
3P
C505
C154
47P
D1
0
HVC376B
R291
1k
R362
100K
R148
68K
C359
0.
1
R110
180K
100K
R519
C330
0.
1
R215
68K
KEY
S9
C394
0.1
T5V
3P
C19
470K
R342
C126
33P
0.
1
C65
R72
100K
100K
R321
LM2904PWR
IC23
V+
8
GND
4
10 MSVA
C148
X5
CR-765
1
C24
9P
C500
C130
0.1
R4
1.2K
R256
ERTJ0EP4
73J
C66
0.001
1k
R522
C231
0.01
R29
150
C162
56P
R151
47K
TA7368FG
IC15
1
NC
2
VCC
3
NC
4
VIN
5
RIPPLE
6
NF
7
PHASE
8
PREGND
9
P WGND
10
POUT
L13
0.82U
R230
39K
R233
100
C137
0.01
LM2904PWR
IC19
6
5
7
D18
MA2S111
33K
R123
C100
10P
R108
470
D501
HVC376B
L47
33N
150K
R122
4.
7
C357
0.01
C511
C182
0.001
ACZ1005Y
EP4
C67
0.001
L22
0.1U
7P
C102
2SK3019
Q50 2
0.22
C399
220K
R325
UNR9213J
Q3
Q2 4 2SA1577
1k
R348
C159
0.001
0.
1
C350
R165
10K
C62
82P
4.
7
C236
Q19
U NR9213J
C76
0.
1
R258
10
R154
120K
L31
82N
UNR9113J
Q45
1k
R507
R70
100
100K
R205
C160
0.001
CF20
CP45
C119
0.001
0.
1
C353
IMSA-6176S-03Y902
J6
1
2
3
4
5
R103
680K
Q22
2SC411 6
EC10SP16
S27
C1
1
C2
2
1
3
2
4
4
5
8
6
D9
HVC376
B
C354
0.01
R240
8.2K
470K
R343
C174
180P
KEY
S21
R267
100K
0.
1
C400
0.001
C332
1k
R355
IC20
LC75834W
1
P1/S1
2
P2/S2
3
P3/S3
4
P4/S4
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8
9
S9
10
S10
11
S11
12
S12
13
S13
14
S14
15
S15
16
S16
17
S17
18
S18
19
S19
20
S20
21
S21
22
S22
23
S23
24
S24
25
S25
26
S26
27
S27
28
S28
29
S29
30
S30
31
S31
32
S32
33
S33
34
S34
35
COM1
36
COM2
37
COM3
38
COM4
39
VDD
40
VLCD
41
VLCD1
42
VLCD2
43
VSS
44
OSC
45
IN
H
46
CE
47
CL
48
DI
R101
1k
D20
M
A
2S728
MC1
EM6027P
KEY
S10
47P
C185
0.001
C207
R300
100K
C107
0.001
Q17
2SC5006
10U
L24
0.001
C151
C346
8P
100P
C136
L500
10U
R216
68K
R17
47
R81
100K
R5
15K
J2
HSJ1456-010320
R147
100K
39K
R520
100K
R514
100K
R319
IC6
6
5
7
C327
0.
1
R22
10K
R273
0
ECPU1E473KB5
C146
C26
0.001
C135
0.001
C377
0.001
470P
C234
R90
220K
100K
R516
R302
100K
R512
8.2K
R100
10K
R308
390K
C161
10P
0.00
1
C116
9P
C503
470
R235
R24
1k
R234
10
C405
0.001
C232
0.01
120K
R527
R232
100K
22
C233
L7
68N
0.01
C302
C180
0.
1
L25
82N
R21
100K
C188
0.001
D500
HVC376B
220K
R327
X6
CR-774
12P
C52
1k
R349
R9
1
33K
3P
C504
R107
33K
0.01
C142
Q15
2SC5006
R259
1M
LM2904PWR
IC23
6
5
7
1
C309
ACZ1005Y
EP11
C77
0.001
R181
22K
M62364F P
IC12
1
VIN1
2
VOUT 1
3
VOUT 2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VOUT 3
11
VOUT 4
12
VIN4
13
VIN5
14
VOUT5
15
VOUT6
16
VIN6
17
DO
18
VDAREF
19
RESET
20
GND
21
VIN7
22
VOUT7
23
VOUT8
24
VIN8
R45
18K
CP06S
CP53
ACZ1005Y
EP5
C164
7P
L21
0.1U
C113
0.75P
C120
470P
KEY
S11
100K
R204
C155
0.001
TA75S01F
IC2
1
2
3
4
5
TPC6103
Q2
1
2
3
4
5
6
C331
0.001
R71
68K
15.3MHZ
X2
1
VCON
2
GND
3
OUT
4
VCC
C149
0.001
R92
100K
CP4
R82
4.7
R269
100K
R7
6
100
C132
0.
1
1k
R523
R244
8.2K
3.3K
R130
0.01
C80
470K
R336
KEY
S22
1k
R356
R85
3.9k
C115
33P
C54
0.001
R209
47K
0.
1
C334
1
C401
C338
0.
1
R301
68K
Q25
2SA1577
C170
0.1
C64
0.001
8P
C506
R79
1.8K
R217
68K
Q5
3SK293
47P
C63
C360
0.1
C183
10P
C320
18P
C121
C347
15P
R80
10K
R46
470
27K
R521
0.
1
C131
R166
2.2K
1SS400
D504
R44
47K
270K
R318
R84
3.9k
C32
0.001
33P
C515
C328
0.001
C35
0.0022
47P
C37
R87
470
CF16SHORT(3P)R
CP5
R16
270
C51
0.001
C30
0.
1
U NR9213 J
Q50 3
470
R238
56N
L502
MA77
D506
R511
8.2K
J3
HSJ1122-010010
R237
10
0.0027
C413
IC6
13
12
14
R152
270K
C59
0.001
C33
47P
C222
0.01
L28
4.7U
IC6
9
10
8
C235
0.01
C355
0.001
C240
0.001
10K
R309
R23
100K
0.001
C409
220K
R323
10
C326
47P
C412
C53
0.01
KEY
S14
1k
R351
IC21
LMX2352TM
1
CUTO
2
VCCRF
3
VPRF
4
CPORF
5
GND
6
FINRF
7
FINRF
8
GND
9
OSCX
10
OSCIN
11
FO/LD
12
RF_EN
13
IF_EN
14
CLOCK
15
DATA
16
LE
17
GND
18
FINRF
19
FINIF
20
GND
21
CPOI F
22
VPIF
23
VCCIF
24
OUT1
0.
1
C509
100P
C156
R260
12K
C378
0.001
R114
82K
Q20
2SC4116
R186
470
XP6501
Q41
1
2
3
4
5
6
11P
C103
0.01
C48
FL-335
FI1
1
IN
2
OU T
3
GND
4
GND
5
6
2P
C49
KEY
S25
R43
47
CF20
CP3
1
C310
220K
R203
1k
R515
0.
1
C512
C152
47P
C384
680P
ACZ1005Y
EP3
D24
HVC375B
18P
C134
C402
0.001
100K
R524
R242
330K
10K
R131
470K
R338
C108
0.01
L33
0.82U
IC8
S-80942CNMC
1
OUT
2
VDD
3
VSS
4
NC
5
CD
MA2S077
D503
L48
68N
6P
C25
390K
R357
R210
47K
4.7K
R509
HD64F2238BTF13V
IC22
1
PE5/D
5
2
PE6/D
6
3
PE7/D
7
4
PD0/D
8
5
PD1/D
9
6
PD2/D10
7
PD3/D11
8
PD4/D12
9
PD5/D13
10
PD6/D14
11
PD7/D15
12
CVCC
13
PC0/A0
14
VSS
15
PC1/A1
16
PC2/A2
17
PC3/A3
18
PC4/A4
19
PC5/A5
20
PC6/A6
21
PC7/A7
22
PB0/A8/TIOCA3
23
PB1/A9/TIOCB3
24
PB2/A10/TIOCC3
25
PB3/A11/TIOCD3
26
PB4/A12/TIOCA 4
27
PB5/A13/TIOCB 4
28
PB6/A14/TIOCA 5
29
PB7/A15/TIOCB 5
30
PA0/A16
31
PA1/A17/TXD2
32
PA2/A18/RXD2
33
PA3/A19/SCK2
34
P10/TIOCA0/A20
35
P11/TIOCB0/A21
36
P12/TIOCC0/TCLK
37
P13/TIOCD0/TCLK
38
P14/TIOCA1/IRQ1
39
P15/TIOCB1/TCLK
40
P16/TIOCA2/IRQ1
41
P17/TIOCB2/TCLK
42
AVSS
43
P97/DA1
44
P96/DA0
45
P47/AN7
46
P46/AN6
47
P45/AN5
48
P44/AN4
49
P43/AN3
50
P42/AN2
51
P41/AN1
52
P40/AN0
53
VREF
54
AVCC
55
MD0
56
MD1
57
OSC2
58
OSC1
59
RES
60
NMI
61
STBY
62
VCC
63
XTAL
64
VSS
65
EXTAL
66
FW
E
67
MD2
68
PF7
69
PF6/AS
70
PF5/RD
71
PF4/HWR
72
PF3/LWR/ADTRG
73
P
F2/WAI
T
74
PF1/BACK/BUZZ
75
PF0/BREQ/IRQ2
76
P30/TXD0
77
P31/RXD0
78
P32/SCK0/SDA1
79
P33/SCK0/SCL1
80
P34/RXD1/SDA0
81
P35/SCK1/SCL0
82
P36
83
P77/TXD3
84
P76/RXD3
85
P75/TMO3/SCK3
86
P74/TMO2/MRES
87
P73/TMO1/CS7
88
P72/TMO0/CS6
89
P71/TMRI23
90
P70/TMRI01
91
PG0/IRQ 6
92
PG1/CS3/IRQ7
93
PG2/CS2
94
PG3/CS1
95
PG4/CS0
96
PE0/D 0
97
PE1/D 1
98
PE2/D 2
99
PE3/D 3
100
PE4/D 4
C223
0.1
C371
0.1
56
R307
Q14
2SC500 6
LM2904PWR
IC23
2
3
1
R218
68K
C241
0.001
APC
C368
0.001
R303
10K
2P
C507
0.0022
C319
22P
C133
R182
22K
D12
1SV239
D1 6
MA2S077
10
C75
Q26
2SB113 2
0.0012
C69
C348
22P
0.001
C111
47P
C46
2P
C205
R162
4.7K
100K
R320
Q21
2SK880
4P
C44
C339
0.01
R231
150K
R8
220K
C47
0.022
22K
R224
KEY
S15
C34
0.001
R239
15K
R513
47K
UNR9213J
Q3 8
0.047
C172
R272
100
47P
C191
R33
330
R31
100
C153
47P
R50
1k
KEY
S26
4.7K
R500
R1
5
120K
C109
0.001
R184
3.3K
470K
R344
220K
R329
C237
0.01
18N
L32
1k
R350
L27
4.7U
Q42
2SB1132
Q44
U NR9210 J
R7
120K
CP06S
CP46
C40
1.5P
R261
12K
22
C308
D1
5
HVC350 B
TX
C50
0.001
R119
47K
R40
150
220P
C192
D1
7
M
A
2S077
R246
18K
R283
100K
R83
1.8K
R264
4.7K
SW-167
S5
0.
1
C406
100K
R292
1U
L501
R75
47K
R32
0
0.0027
C125
0.
1
C176
470K
R339
R211
47K
4.7U
L42
390K
R358
Q43
UNR9111J
L8
68N
IC24
TA75S01F
1
2
3
4
5
C225
470P
C386
0.
1
C165
0.01
C158
0.
1
10
C333
R48
680
L12
0
.
22
U
4.7K
R508
J4
BM02B-ASRS-TF
1
2
3
4
C211
4.7
MA2S077
D502
470P
C336
R36
1.5K
L11
56N
390K
R74
R227
2.7K
DAN202U
D5
0.0012
C70
X1
CDBKB450KCAY24
C163
4P
33K
R236
C390
47P
C242
0.001
2721
MP 1
1
2
3
C322
47P
5P
C508
120P
C318
XP1214
Q18
1
2
3
4
5
KEY
S17
C60
0.001
Q29
2SC5006
C39
0.001
R116
680K
R225
33
1k
R345
R97
1k
C349
0.
1
C141
0.001
DS1
LNJ310M6URA
0.0015
C31
8P
C206
R164
4.7K
C36
0.001
KEY
S23
47P
C79
TLVA
RLVA
T1
T2
DAST
SCK
SO
MTCK
MTDT
MDI
O
MRDF
MDIR
MSCK
M RDF
PTTI
N
PTTOUT
MICOUT
MICI
N
AFOUT
AFOUT
DISCIN
SIGOUT
BUSY
OPV1
OPV2
OPV3
CLO
S5C
R5C
T5C
BEEP
MSCK
PMFM
KS4
KS0
KS1
KS2
KS3
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
COM1
COM2
COM3
COM4
CL
I
SIGOUT
KS4
SO
ULCK
CDEC
MDIO
KRT0
KRT1
KRT2
KRT3
AUTX
PTT
SO
OPT3
OPT2
OPT1
BAL
KRT2
KRT0
KRT3
SENC
CCS
SCK
KR0
SDEC
DAST
MTCK
M DIR
CL
I
RES
KR1
KR2
KR3
KS0
KS1
KS2
KS3
BUSY
CCS
BEEP
TMUT
S5C
T5C
R5C
CLI
CLO
CIRQ
SCK
SO
OPV3
OPV2
OPV1
CENC2
CENC1
CENC0
CENC0
CENC1
CENC2
MD2
CIRQ
OPT3
OPT1
OPT2
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
COM4
C
OM3
COM2
COM1
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
RES
MD2
OPV2
OPV1
PWRI
PWRO
PWRO
PTT
AUTX
PWRI
PWRO
AFON
SCK
PLST
PLST
SI
MMUT
RMUT
RMUT
MMUT
KR0
KEYKEY
KRT1
LVIN
MTDT
RSSI
RSSI
ULCK
NOIS
NOIS
KEY
KEY
GND
MOD
BAL
KR1
KR2
KR3
SI
DISCIN
PMFM
RLVA
NOIS
RSSI
T2
T1
LVIN
TLVA
T2
MOD
TONE
AFON
P_DE
T
TMUT
APC
PTTOUT
PTTIN
MICOUT
RS
S
I
T5V
REF
REF
MUT E
MUTE
MICIN
TX
S5V
+5V
VCC
VCC
REF
*3 MULTI
+5V
S5V
R5V
+5V
AFOUT
CLONE
SP
CTCSS/DTCS
+5V
CSFT
BATV
LCD
R5V
VCC
VCC
+5V
S5V
R5V
T5V
+5V
S5V
T5V
VCC
to DISCIN
GND
+5V
VCC
M ICMUTE
AFONOP
BEEPOUT
RXMUTE
DISCIN
REM
CCS
CIRQ
SO
SI
SCK
PTTIN
PTTOUT
MICOUT
MICIN
AUX
BUSY
MDW N
SIGOUT
OPT1
OPT2
OPT3
GND
OPV3
OPV2
OPV1
from AFOUT
AFOUT
+5V
TONE
+5V
DUSE
BEEPOUT
AutoTX
DTMF
Enc
TONC
DEVT
MOD
SQLC
PTT SW
Vcc
(REMO)
AFONOP
P0
P1
P2
P3
2
4
5
7
8
9
0
*
#
+5V
S5V
BA L
KEY
UP
DOWN
MONI
EMER
VCC
3
1
RF AM P
AGC
T5V
VCC
TX VCO
RX VCO
R5V
IF AMP
RX
IF IC
T5V
APC
+5V
C
D
F
A
G
XY
6
MAIN UNIT
To the PA UNIT
F33 A3format.indd 12-13
2007/04/20 16:06:06