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Jul. 2008
82
PA200W BOARD
VOLTAGE LINE
Explanatory notes
TX LINE
0.1
C404
0.0047
C15
3.3k
R503
0.1
C414
1k
R6
47
C10
1SS301
D401
0.1
C419
100
R413
10
R427
2SB1119
Q1
0.68
C401
220
C314
0.01
C11
0.1
C303
EP503
L201
1.5k
R423
47
C12
56
R110
100
R414
0.1
C420
560
R202
10
R108
L301
470
C505
3.3k
R504
1k
R107
0.0047
C16
220
R104
0.01
C7
0.1
C313
1SS301
D402
0.001
C407
470
R205
12
R401
4.7
R309
3.9k
R112
0.0047
C8
0.1
C107
1.5k
R424
100
R411
L6
L7
0.001
C110
3.3k
R507
220
C513
0.0047
C6
0.1
C103
TA78L08F
IC2
I
O
G
12
R402
L303
C206
0.047
0.01
C405
10k
R2
J1
from MAIN
unit J801
to DC-DC
unit W1
1
R201
SD2931
Q401
470
C504
R102
15
0.001
C108
2.7
R203
0.1
C1
0.0047
C411
12
R403
1SS301
D403
0.1
C112
1k
R1
3.3k
R508
EXCCL4532U
L102
Q101
RD01MUS1
0.1
C403
Q201
PD55003
0.68
C402
RD2.7M
D1
0.001
C202
12
R406
LR-296
L403
820
R105
DTC114EU
Q2
SD2918
Q301
0.1
C114
0.0047
C506
0.0047
C412
0.1
C301
0.0047
C2
270
R101
0.1
C305
1SS301
D404
0.68
C416
12
R405
0.001
C408
0.001
C111
0.0047
C507
0.1
C109
R310
2k
1k
R7
L402
2.2k
R5
R103
270
2.2k
R106
12
R404
0.0047
C3
0
R119
EXC-ELDR25C
L304
0.1
C9
0.001
C307
C207
0.047
0.01
C406
0.1
C413
0.1
C113
100
R412
0.68
C415
680
R111
0.1
C418
LR-230
L501
L401
EXC-ELDR25C
L305
W501
SD2931
Q402
0.1
C104
0.1
C309
J402
0.1
C317
0.1
C409
0.1
C410
0.1
C501
0.1
C510
0.047
C502
0.047
C511
0.001
C503
0.001
C512
R3
STS-40
R416
15
R418
18
R420
15
R422
18
J401
to FILTER
unit J901
to MAIN
unit J430
to DC-DC
unit J5
CP3
W401
CP4
CP5
CP1
CP2
L101
L2
L1
L3
0.1
C318
L307
LR-95
L404
0.1
C201
0.1
C106
0.001
C102
1
C17
2.2k
R408
2.2k
R409
0.01
R523
0.01
R522
0.01
R521
J2
4.7k
R115
8.2k
R118
3.3k
R113
5.6k
R117
J5
330
R302
5.6k
R305
R307
100
100
R312
C204
0.0068
20k
R301
10k
R407
2k
R425
10k
R410
15
R501
15
R512
15
R502
15
R511
0.1
C319
0.1
C417
0.0068
C311
LR-475
L202
LR-474
L306
2k
R426
820
R514
820
R513
1k
R4
IDH
IDL
THML
+48HV
+48HV
+48HV
+48HV
+48HV
+48HV
GND
GND
+48HV
+48HV
+48HV
0.68
C514
0.68
C515
GND
GND
PAT8
+15V
+15V
+15V_
+15V_
+15V_
+15V_
+15V_
+15V_
+15V
2t
PAI
PA200W BOARD
PAO
3V
3V
THL
THL
THL
+15V_
+15V_
EP501
EP502
1 NC
3 H8V
4 C15V
8 GND
10 GND
9 GND
2 H8V
6 LG_PWR
GND
REG UNIT
+48V
GND
+48V
7 NC
5 C15V
11 GND
12 GND
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
48.1V
7.96V
15.06V
48.0V
48.0V
2.87V
RX: 0V
TX: 7.95V
RX: 0V
TX: 2.58V
RX: 0V
TX: 4.78V
RX: 0V
TX: 4.09V
RX: 15.06V
TX: 14.63V
RX: 0V
TX: 0.77V
RX: 0V
TX: 48.0V
RX: 0V
TX: 3.42V
RX: 15.01V
TX: 14.67V
RX: 0V
TX: 0.93V
RX: 0V
TX: 2.59V
RX: 7.22V
TX: 7.96V
RX: 0V
TX: 7.66V
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 ...