Icom IC-R20, Руководство по обслуживанию

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Aug. 2009
27
*: Refer to the PARTS LIST for the value and name of component.
2NDCVCO BOARD
Q4
2SC4617
Q1
FH102A-E
Q3
2SC5277A 2-E
IC1
MB15E03SLPFV1-G-BND-E1
C3
15p
R4
1k
1
2
3 4
5
6
C7
4p
L2
33nH
L3
22nH
C8
1p
C9
5p C10
5p
R10
100
C1
0.33
C30
0.001
C4
10p
D1
1SV314 F C2
18p
C5
12p
L4
0.22µH
C6
0.001
R3
1k
R2
10k
R1
47
L1
18nH
C33
2p
C_VCO_OUT
C_VCO_OUT
1CVCO
C31
0.001
C32
10
R21
1k
GND
GND
A_R3V
A_R3V
A_R3V
APS
APS APS
1
2
3
4
5
J1
J2
1
2
3
4
5
6
+3V
+3V
GND
OSC
OSC
PLLDATA
PLLCK
PLLCSTB
PLLDATA PLLDATA
PLLCK PLLCK
PLLCSTB PLLCSTB
C17
5p
R16
1k C22
0.01
R17
180k
C23
0.01
C24
0.01
R19
1k
R18
1k
C16
470p
R9
56
C25
0.001
C26
0.1
1
OSCI
2
OSCO
3
VP
4
VCC
5
DO
6
GND
7
XFIN
8
FIN
9 CLK
10 DAT
11 LE
12 PS
13 ZC
14 L/F
15 P
16 R
R11
1k R12
1k
C27
0.001
R14
10
R15
820
C21
4.7
C18
47p
C19
47p
C20
47p
R13
1k
R22
330
to
RF unit
HJ5
to
RF unit
HJ4
Explanatory notes
VOLTAGE LINE
2.4V 3.0V
2.3V
1.7V
0.7V
3.0V
2.3V
2NDDVCO BOARD
Q1
FH102A-E
Q4
2SC4617
Q3
2SC5277A 2-E
IC1
MB15E03SLPFV1
R2
47k
R3
330
C6
0.001
R4
1k
C1
0.33
C3
22p
C4
12p
C5
27p
D1
HVC305B
L4
0.22µH L1
22nH
C2
56p
R1
47
1DVCO
1
2
3 4
5
6
L3
22nH
R10
100
L2
47nH
C7
10p
C9
8p C10
8p
C8
4p
C30
0.001
C31
0.001
C32
10
R21
1k
D_VCO_OUT
D_VCO_OUT
B_R3V
B_R3V
B_R3V
GND
GND
BPS
BPS BPS
J1
1
2
3
4
5
+3V
+3V
PLLDATA
PLLCK
PLLDSTB
PLLDATA PLLDATA
PLLCK PLLCK
PLLDSTB PLLDSTB
GND
OSC
OSC
J2
1
2
3
4
5
6
C17
5p R9
220
R16
1k C22
0.01
R17
180k
R18
1k
R19
1k
C23
0.01
C24
0.01
C16
470p
OSCI
OSCO
VP
VCC
DO
GND
XFIN
FIN
CLK
DAT
LE
PS
ZC
L/F
P
R
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C25
0.001
C26
0.1
C18
47p
C19
47p
C20
47p
R11
1k R12
1k R13
1k
C27
0.001
R14
10
R15
820
C21
4.7
R22
330
to
RF unit
HJ9
to
RF unit
HJ8
Explanatory notes
VOLTAGE LINE
2.4V
3.0V
2.3V
1.7V
0.7V
3.0V
2.3V
DOWNCONV BOARD
Q6
2SC5277A 2-E
IC4
MB15E03SLPFV1-G-BND-E1
Q2
2SC5006
Q3
UNR9111G0
IC3
µ PC2757TB
Q5
XP1113
Q4
2SC5624-E
Q1
2SC5006
IC2
µ PC2749TB
1001 MHz or 2002 MHz LO
R29
1k
C47
0.01
R30
180k
R31
1k
R32
1k
C48
0.01
C49
0.01
C53
0.01
C51
470p
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
OSCI
OSCO
VP
VCC
DO
GND
XFIN
FIN
CLK
DAT
LE
PS
ZC
L/F
P
R
C15
470p
R14
56k R15
220 C16
470p
R16
150
C17
470p
R17
1k
C18
470p
J1
1
2
3
4
5
6
7
8
IF_OUT
RF_IN
OSC
PLLESTB
PLLDATA
PLLCK
PLLESTB
PLLDATA
PLLCK
GND
RF_IN
GND
RF_IN
GND
RF_IN
GND
GND
R12
10
R13
15
R11
15
J2
1
2
3
4
5
6
+3S
+3S
+3S
+3S
DOWN_CONV
DOWN
_
CONV
2GLO
1GLO
GND
+3V
+3V
+3V +3V
C6
470p
D2
1SV308 F
R3
4.7k
R6
4.7k C44
470p
C45
3p C46
3p
C7
1p
IF
_
OUT
IF
_
OUT
1
RFI
2
GND
3
LO
4
PS
5
VCC
6
IFO
C56
47p R2
470
DOWN_CONV 3V
C1
10p
C2
8p
C5
470p
1 IN
2 GND
3 GND 4
OUT 5
GND 6
VCC
C4
8p C3
6p
R5
4.7k
L2
8.2nH L1
8.2nH
C41
15p C42
12p
C43
470p
D1
1SV308 F
R4
4.7k
RF
_
IN
D7
1SV308 F
D8
1SV308 F
R23
4.7k
R28
10
C29
1p C30
2p
C31
12p C32
22p
L9
3.9nH L10
2.2nH
C39
1p
D5
1SV308 F
D6
1SV308 F
C34
470p
C35
470p
R26
1k
C36
2p
C37
470p C38
470p R22
4.7k R27
4.7k
C28
1p
L7
1.5nH L8
6.8nH
R25
1k
C27
10p
C54
47p C55
47p
R21
27k
1
2
3 4
5
C9
2p
C11
0.001
R9
4.7k
R8
10k
C10
1p
R7
330
C58
0.1
C8
2p
L3
0.82µH
R10
47
C14
0.1
C19
470p
C12
10
C13
22p L4
12nH D3
1SV245 F
C21
470p C22
0.33
L6
0.22µH
R19
820
R18
330
R33
1k
C23
4.7
C40
4p
C26
0.1
C50
470p
C52
470p
R20
10
L11
6.8nH
to
RF unit
HJ10
to
RF unit
HJ11
Explanatory notes
VOLTAGE LINE
1.7V
2.8V
2.4V
2.8V
2.6V
2.8V
2.3V
2.8V
2.2V
0.7V