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Aug. 2008
72
RXPLL-A/RXPLL-B UNITS
VOLTAGE LINE
[A]: RXPLL-A unit
[B]: RXPLL-B unit
Explanatory notes
C353
47
R425
560
R271
100k
Q351
3SK294
L261
E526GN
C272
6p
R261
100k
R134
470
R126
1k
C206
0.0047
C428 0.0047
D241
MA357
R11 220
R310
3.3k
R312
220
R313
2.7k
R314
3.9k
R315
220
R316
47
R220
100k
D422
RXPLL-A unit only
RXPLL-A unit only
RXPLL-A unit only
MA77
C150 0.0047
L30
R365
8.2
C422
0.0047
C51
47
C234
5p
C276
0.0047
C31
0.1
C221 2p
R119
2k
C425 0.0047
C61
47
C106
0.1
C167
0.0047
C421
0.0047
C301
0.0047
R168 220
C201
470p
C351
0.001
R136
1M
R132
1k
C246
0.0047
C260
68p
R423
1k
R131
1k
R101
1M
C2 0.0047
Q201
DTA114EU
L101
C360
0.0047
STB3
C357
0.0047
C101
0.0047
C112
0.1
PLL+5V
Q284
DTC114EU
D240
MA357
L10
HF50ACC322513
L351
Q363
DTC114EU
Q1
DTC114TU
C107
0.1
C285 0.001
R116
2k
C166
0.1
C304
0.0047
D250
MA357
R152
100k
R364
560
R221
100k
L1
L20
Q152
2SC4081
C116
0.1
C205
0.0047
C103
10
L221
E526GN
R1
100k
R8
1.8k
R9
100k
R128
1k
to RXPLL-A/B
unit J1101
C18
0.0047
C310
0.1
R241 100k
C53
0.1
C283 0.001
C286
0.0047
C17
0.0047
R110
2k
R15 220
C120
0.0047
C306
0.0047
D222
MA77
to MAIN
unit J503
CN22
L302
C102
0.1
C165
0.0047
R14 220
R61
27
R117
2k
R122
2k
C117
0.1
C105
0.1
R355
4.7k
IC201
LMX2306TM
1
FLO
2
CPO
3
GND
4
GND
5
FIN
6
FIN
7
VCC1
8
OSCIN
9
GND
10
CE
11
CLOCK
12
DATA
13
LE
14
PO/LD
15
VCC2
16
VP
R308
270
R165
100
C253
39p
C309
0.001
R125
1k
R421
1k
C62
0.1
D101
DAN222
R113
2k
C222
6p
C363
0.0047
C15
0.0047
C311
47
R203
1k
R8V
R230
100k
R105
1k
C292 0.0047
Q250
2SK210
Q285
DTC114EU
C208
15p
C207
15p
C54
100
R163
15
L251
E526GN
D423
MA77
C358
0.0047
R205
10k
C111 0.1
R112
2k
R124
1k
R250
100k
R270
100k
R157
100k
R251
100k
C288 0.0047
C14
0.0047
C244 4p
R103
1k
R100
[A] onl
y
0
R304 2.7k
C352
0.1
Q240
2SK210
Q364
DTA114EU
C132 0.1
C125 0.1
R426
560
C294
0.0047
R151 15
L271
E526GN
Q280
DTC114EU
R424 1k
C164
0.0047
C202
4.7
FI101
SFECV10.5MA5S
[A]
SFECV10.7MA5S
[B]
D201
DAN222
C291 0.001
C203
0.01
IC101
SC-1246A
1
VSS
2
SYSCLK
O
3
VDD
4
VDD
5
VSS
6
DA
0
7
DA
1
8
DA
2
9
DA
3
10
VSS
11
DA
4
12
DA
5
13
DA
6
14
DA
7
15
VSS
16
VSS
17
DA
8
18
DA
9
19
DA
1
0
20
DA
1
1
21
VDD
22
TE1
23
TE2
24
TE3
25
VDD
26
VSS
27
VSS
28
VDD
29
TEOUTH0
30
TEOUTH1
31
TEOUTH2
32
TEOUTH3
33
TEOUTH4
34
VDD
35
VDD
36
SYSRESET
37
VSS
38
VDD
39
OSCI
40
VSS
41
OSCF
42
VDD
43
VSS
44
OSCO
45
VSS
46
PDIN
47
REFIN
48
VSS
49
DIVOUT
50
VDD
51
PD2
52
PD1
53
VDD
54
PD0
55
VSS
56
PDTRI
57
VDD
58
REFOSC
59
RC
60
FCK
61
VSS
62
Q16MA
63
Q4MA
64
VDD
65
VSS
66
ETCO7
67
ETCO6
68
ETCO5
69
VSS
70
ETCO4
71
ETCO3
72
VSS
73
ETCO2
74
ETCO1
75
ETCO0
76
VSS
77
VSS
78
VDD
79
BUM2I
80
BUN2I
81
BUN4I
82
VDD
83
BUM2O
84
BUN2O
85
BUN4O
86
VSS
87
VDD
88
SYS-CLK
89
VSS
90
VSS
91
STRB
92
CON2
93
CON1
94
CON0
95
VSS
96
BUSY
97
VSS
98
CONTCLK
99
DATA
100
VDD
C114
0.1
C355 0.0047
D262
MA77
R361
2.7k
C266
0.0047
R166
100
Q41
DTC114EU
C252
3p
Q220
2SK210
Q352
2SC5226
C305 0.0047
R155
180
C254
3p
L421
R121
2k
R158 150
UNLK
R30
22
Q281
DTC114EU
R133
1k
D232
MA77
R154
100
DATA
R164 82
R150 120
C233
33p
R123
1k
T8V
C262 3p
R16 220
C159
0.0047
R104
1k
D221
MA357
R33 150
C361
0.0047
R351
10
Q282
DTC114EU
IC51
TA7808F
I
O
G
C16
0.0047
C284
0.0047
C109
0.1
C426 0.0047
C235
12p
C356
0.0047
C427 0.0047
Q150
2SK210
Q151
2SC4081
Q302
2SC5226
Q303
2SC5226
PLL+8V
R108
1k
C19
0.0047
C245
5p
R156
100k
D242
MA77
R352
47
L151
LB-343
D272
MA77
STB4
R231 100k
L2
R118
2k
C32
0.1
R17 220
R305
3.9k
R202
1
k
R31
22k
C63
0.1
IC102 TC7S04F
1
2
3
4
5
R169
47k
R111
2k
R10 220
C424
0.0047
C242 6p
C354
0.0047
R137 10
Q230
2SK210
C290 0.0047
L231
E526GN
CK
R153 10k
C256
0.0047
DRES
Q283
DTC114EU
R115
2k
C30
0.1
R107 100
C204
0.0047
R127
1k
C110
0.1
40M
R358
47
D424
MA77
C243
27p
R51
27
R301
10
C108
0.1
C255
8p
D220
MA357
C359
0.0047
D252
MA77
R206
15
R114
2k
10M
RXPLL-A/B
UNIT (2)
RXPLL-A/B UNIT (1)
R366
560
R130
1k
C64
100
C287 0.001
R311
180
C163
0.1
L241
E526GN
R32
100
R309
6.8k
R306
220
C131 0.1
IO
Q301
2SC5226
R368 10k
R13 220
R260
100k
R120
2k
C226
0.0047
R353
4.7k
R369
0
R362 3.9k
L13
HF50ACC322513
C423
0.0047
C236 0.0047
C52
0.1
R167
22
Q421
DTC114EU
Q422
DTC114EU
R422
1k
C289 0.001
D363
MA77
C158 0.0047
C293
0.001
D230
MA357
C162
5p
Q30
2SC4081
C232
6p
R129
1k
R12 220
D261
MA357
D270
MA357
D271
MA357
D231
MA357
C241 1p
R303 220
C115
0.1
C139
0.0047
C138
0.0047
C137
0.0047
C136
0.0047
C135
0.0047
C134
0.0047
C133
0.0047
C130 0.001
R427 100
C104
0.1
C142
100
D421
MA77
C302
0.0047
R240 100k
L11
HF50ACC322513
L12
HF50ACC322513
C151
10
R3
8.2k
R4
8.2k
R5
8.2k
R6
8.2k
R106
220
R204
220
R2 10k
L152
C220
100p
C223
39p
C224
10p
C225
22p
L222
L220
C230
56p
C231 1p
L230
L240
L250
L260
L270
L232
L242
L252
L262
L272
C240
39p
C250
56p
C263
39p
C273
22p
C274
3P
IC1
CD74HC4094M
1
STROBE
2
DATA
3
CP
4
Q0
5
Q1
6
Q2
7
Q3
8
GND
9
QS1
10
QS2
11
Q7
12
Q6
13
Q5
14
Q4
15
OE
16
VCC
C1 0.1
R109
1k
C118 0.1
EP101
EP108
EP102
EP105
EP106
EP107
EP104
EP103
EP20
C20 0.0047
C21 0.0047
C22 0.0047
EP21
EP22
C227
C237
4p
C247
C257
C264
3p
C265
6p
Q260
2SK210
R159
100
C156
150p
C157
150p
D153
HSM88AS
D154
HSM88AS
C155
150p
C154
20p
C152
33p
C161
10
D152
MA357
R222
220
R232
220
R242
220
R252
220
R262 220
R272
220
R223
1k
R233
1k
R243
1k
R253
1k
R263
1k
R273
1k
R224
100
R234
100
R244
100
R254
100
R264
100
R274
100
3p
10p
10p
5p
C228 10
C238
10
C248
10
C258
10
C268
10
C278
10
C267
10p
Q270
2SK210
C275
5p
C277
L280
R302
1k
IC61
TA78L05F
I
O
G
C331
68p
C332
180p
C333
68p
L331
L341
C334 22p
L332
56n
C335
7p
C337
22p
C336
15p
D341
MA77
R341 1k
C341 0.0047
R342 10k
C342
0.0047
Q341
DTC114EU
R343 1k
D342
DAN202K
R318
33
C303
0.0047
C312
0.0047
L201
L211
C210
0.22
R354
4.7k
R356
100
R359
100
R357
RH03ADCS3X
D362
MA77
R360
100
R363
100
C441
18p
L441
47n
L452
C442
18p
C443
12p
C444 39p
L442
68n
L451
C445
6p
C447
68p
C452
180p
C446
27p
C451
68p
D441
MA77
R441
1k
R317
47
C448
0.0047
R442
10k
R443
1k
Q441
DTC114EU
R428
470
R429
470
R138 0
R139
0
1.8k
R210
100
R219
C449
0.0047
IC2
TC74HCT7007AF
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
7
GND
8
4Y
9
4A
10
5Y
11
5A
12
6Y
13
6A
14
VCC
R135 0
4p
C153
1.5p
C251
C119 0.1
R141 100
R140
1k
TC7S08F
IC103
1
2
3
4
5
M100K
M100K
M100K
M100K
M100K
M100K
MKRS
C129 0.1
R102
(RXPLL-B onl
y)
0
CN22
VA6S
R7
3.3K
STB1
CN21
DRES
DRES
CK
DATA
CN22
C313 0.0047
DATA
CK
STB2
VA3S
VA2S
UNLK
VA1S
MMUT
CN21
STB4
STB3
C219 0.0047
VA5S
R161
47k
VA4S
R160 220
T8VL
C299
22p
DRES
DRES
D
ATA
CK
R217 82
C211
3.3
IC104
TC7S04F
1
2
3
4
5
C297
5p
R8VL
CK
DATA
STB2
STB1
STB3
STB4
V
A1S
V
A2S
V
A3S
V
A4S
V
A5S
V
A6S
MMUT
T8VL
R8VL
C209
470p
C229
3p
C239
4p
VA1S
VA2S
R52
82
[A] only
PLL+8V
MMUT
MMUT
MMUT
C365
0.0047
C364
0.001
C344
0.1
C121 0.1
C140 0.0047
PLL+5V
UNLK
UNLK
UNLK
UNLK
UNLK
UNLK
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+5V
PLL+8V
PLL+8V
PLL+8V
PLL+8V
PLL+5V
PLL+5V
PLL+5V
C453
0.1
MKRS
MKRS
C141
0.0047
T1LO
[A]/[B]
R1LO/S1LO
GND
[A]/[B]
UNLKA/UNLKB
DRES
GND
GND
PDATA/PDATB
PCKA/PCKB
GND
GND
C2A1/C2B1
C2A2/C2B2
PSTA/PSTB
PSLA/PSLB
C2A1/C2B1
C2A2/C2B2
PSTA/PSTB
PSLA/PSLB
GND
GND
P+5V
P+5V
P+5V
T8V
T8V
R8V
R8V
P+15V
P+15V
P+15V
GND
J2
J10
from OSC
unit J72
[A]
from OSC
unit J73
[B]
to LOGIC
unit J816
[A]
to LOGIC
unit J815
[B]
M10M/S10M[A]/[B]
J351
J421
R307
33
7.83V
5.63V
4.97V
4.32V
0.6dBm
1mV [A]
0.4mV [B]
14.94V
2.38V
4.77V
TX: 0.7dBm
range: input impedance
MESUREMENT CONDITIONS
voltage at RX(no instruction)
frequency: 14.1 MHz
mode: J3E(USB)
Digital tester
ANT(RX): no input
(TX): no modulation
2.0V
2.42V
0.48V
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 ...