Icom IC-F33GT Service Manual page 34

A
VCC
B T5V
S5V
+5V
C515
33 P
REF
R104 R103 680 k
47 k 5
3
4
R516 100 k
1
C211 2
1
5 IC24
4.7
BAL 2
TA75S01F
3 4
IC25
TC7S66FU
C
LVIN
+5V
IC21
L501
1 H LMX2352TM
24
OUT1 CUTO
23
VCCIF VCCRF
22
R525 VPIF
21
1 k
CPOIF CPORF
20
GND
19
FINIF FINRF
18
FINRF FINRF
17
GND
16
PLST R345 1 k
LE OSCX
SO R346 1 k 15
DATA OSCIN
SCK R347 1 k 14
CLOCK FO/LD
13
ULCK R348 1 k
IF_EN RF_EN
R359
ERJ2GE–JPW
S5V
+5V
D
R5V
C166
T: 0.0
3 P
R: 0.3
CFWM450F
C161 C163
10 P 4 P
Q22
2SC4116 BL
*3 MULTI
SQLC
VCC
+5V
R5V
S5V
T5V
E
+5V
C404
0.01
1
4
VCON VCC
REF
2 3
GND OUT
R108 C156
X2
470 100 P
CR–781
15.3MHZ
TCXO
15.3 MHz
1.2Vp-p
C155
R94 R95
0.001
ERJ2GE-JPW 1.5 k
1
2
3
VPRF
4
C508
C208
5
GND 5 P 5 P
6
7
C390
8
47 P
GND
9
10
11
12
Q500
UNR9213J
T: 0.0
R: 4.8 X1
CDBC450CX24
R39
47
IF IC
IC9
C61
TA31136FN
100 P
FI2 1 16
OSCIN MIXIN C58
2 15
OSCOUT GND 0.001
3 14
I O MIXOUT N–REC
4 13
C62
C393 0.1 VCC N–DET
Q7
5 12
IFIN RSSI 82 P
6 11
DEC IFOUT 2SC4215 O
7 10
FILOUT QUAD
IF AMP
8 FILIN 9
AFOUT
R44
T: 0.0
47 k R43
47 R: 4.8
C394
0.1
C69
C188
0.0012
R45 18 k 0.001
T: 0.8
R: 1.2
R5V
S5V
T5V
VCC
T5V
C: 4.0
Q20
RX VCO
2SC4116 BL
R85 R79
6.8 k
3.9 k
Q21
C126
2SK880 Y
33 P
R89 L37
C191
Q17
10 k 68 nH
47 P
2SC5006
CP1
L42
4.7 H
L28
4.7 H
TX VCO
L47 R83 1.8 k
33 nH
R84
3.9 k R82
4.7
C192 C123
L25
220 P
82 nH 68 P
Q16
2SC5006
L27
T: 1.5
4.7 H
R: 1.6
L48
68 nH
R86
C150 1 100 k
R111 R124
100 k 100 k
+5V
R5V
R31
100
C49
T: 0.0
2 P
R: 4.8
Q6
C41
3SK299 U73
15 P
MIX
FI1
FL–335 46.350 MHZ
C51
0.001
R33
4 1
330 2 GND IN T: 0.0
3
OUT GND R32
R: 0.9
ERJ2GE–JPW
VCC
+5V
Q26 2SB1132 Q
Q25
8 8
2SA1577 Q
V+
V+
GND
GND
4 4
T: 0.0
IC19 IC23 R: 4.9
NJM12904V NJM12904V
Q24
2SA1577 Q
T: 5.0
R: 0.0
C: 3.9
C: 3.8
T: 2.0
R: 0.0
C102
7 P
T: 1.6
R: 1.4 D16
MA2S077
C100
10 P
Q15 Q14
2SC5006 2SC5006
Q29
5
1
2SC5006
Q18
2
XP1214
4 3
R88
560
Q19
T: 0.0
UNR9213J
R: 2.0
R5V
R172
22 k
C182
0.001
C186
0.1
L502 C183
56 nH 10 P AGC
Q4
2SK1829
T: 0.0
R: 4.6
R174
C511
470 k
0.01
C40
1.5 P
Q5
C29
3SK293 6 P
T: 0.0
R: 0.6
RF AMP
T: 0.0
R: 1.8
R22 10 k
C: 6.9
C: 5.0
IC17
NJM2870
MP1
Q27
XP6501 AB
Q28
UNR9113J
11 - 2
Q2
TPC6103
VCC VCC T5V
T5V
APC
TX
J6
IMSA–6176S–03A
5
P–DET
Q3
D5 3
UNR9213J
DAN202U GND
2
VCC
1
4
T5V
C79 0.047
R8
220 k
R5
5 15 k
3 APC
4
1
R9
100 2
IC2 R4
1.2 k
TA75S01F
Q501
UNR9213J
C22
C25
1.5 P
6 P RX
CP53
CP58
R303
10 k
NOTES :
Voltage line
Contorol line
TX line
RX line