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Aug. 2008
77
OSC UNIT
VOLTAGE LINE
Explanatory notes
82p
C27
10k
R62
1.8k
R78
82p
C47
0.1
C42
0.1
C45
L21
L24
22p
C30
0.0047
C9
DTC114EU
Q13
560p
C46
1
C7
0.1
C21
22p
C50
HF50ACC322513
L1
HF50ACC322513
L10
56
R47
10k
R21
2SC4215
Q22
0.1
C19
22
R61
10k
R67
560p
C31
MA2S111
D11
MA2S111
D10
2.2k
R46
0.0047
C2
L42
0.1
C52
10p
C66
0.1
C23
1SS312
D72
Q21
2SC4081
0.1
C18
0.1
C77
22
R20
J72
0.1
C53
1k
R13
0.0047
C72
0.1
C20
Q62
2SC4081
270
R24
2SC4081
Q70
L44
150
R73
470p
C48
470p
C28
0.1
C61
0.0047
C1
L22
0.1
C8
150
R71
L41
2.2k
R79
3.3k
R45
DTC114EU
Q23
0.1
C63
J73
to RXPLL-B
unit J10
to RXPLL-A
unit J10
to MAIN
unit J491
0.1
C32
390p
C49
1k
R28
0.1
C16
0.0047
C76
0.1
C67
L23
0.0047
C14
1SS312
D71
39
R72
0.0047
C73
390p
C29
270
R44
0.0047
C75
1k
R2
0.0047
C3
0.1
C43
L43
2SC4215
Q42
0.0047
C74
DTC114EU
Q43
LS-476
L61
0.1
C33
3.3k
R25
560p
C26
47
R75
LS-476
L62
0.0047
C6
L20
100
R77
560p
C51
0.1
C64
HF50ACC322513
L2
47
R82
Q61
2SC4081
0.0047
C4
0.1
C17
1
C5
0.0047
C71
8.2k
R68
1k
R1
0.1
C44
0.0047
C12
DTC114EU
Q10
DTC114EU
Q12
0.1
C25
2.2k
R26
0.1
C62
DTC114EU
Q11
0.1
C24
0.1
C22
1k
R96
1k
R97
TC7W04F
IC92
1
2
3
4
5
6
7
8
10k
R93
100
R95
HF50A
CC322513
L91
HF50ACC322513
L92
0.0047
C91
0.0047
C93
0.0047
C94
8.2k
R91
3.3k
R92
0.0047
C92
47k
R98
2.2k
R99
6.8k
R94
1k
R3
47k
R100
J71
J2
to LOGIC
unit J814
CP71
0.1
C15
4.7
R23
22
R43
47
R64
2SC4097
Q101
220
R101
FTR-B4CA012Z
RL11
FTR-B4CA012Z
RL10
0.1
C11
CR-772.
X1
1
REF V
2
+VC
3
GND
4
OUT
5
+DC
AD5260BRU50
IC91
1
A
2
W
3
B
4
VDD
5
SHDN
6
CLK
7
SDI
8
CS
9
PR
10
GND
11
VSS
12
VL
13
NC
14
SDO
BA12FP
IC10
1
I
2
O
3
G
10
R11
10
R12
22
C10
22
C13
470
R65
330
R63
220
R80
270
R22
220
R27
4.7
C101
33k
R102
M10M
REF_IN/OUT
S10M
OSC UNIT
GND
OCK
ODAT
OCK
OCK
ODAT
ODAT
OCK
ODAT
OCK
ODAT
OCS
OSS2
OSS1
P+8V
P+15V
P+15V
GND
2.91V
5.00V
5.00V
10.21V
12.02V
-0.6dBm
range: input impedance
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
Digital tester
ANT(RX): no input
75m
0V
Summary of Contents for IC-7800
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 65 VOLTAGE DIAGRAM 67 Dec 2009 ...
Page 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 60 VOLTAGE DIAGRAM 64 Feb 2009 ...
Page 157: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Aug 2008 ...
Page 245: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Jul 2008 ...
Page 333: ...THE TRANSCEIVER i7800 SERVICE MANUAL S 14015HZ C1 2 Mar 2006 ...
Page 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...