Ctrl Board - Icom IC-7800 Service Manual Addendum

11-28 CTRL BOARD

CTRL BOARD
C104 20p
C115 56p
J101 FOR
C102 2p
from FILTER CTIN C105 75p
unit J904
D101
HSM88AS
R103 R105
10k 220k
R118
ERJ3GE-JPW
R101 10
C119
L101
56p
LR-502
R102 10
D102
HSM88AS
R106
R119 R104
ERJ3GE-JPW 10k 220k
FOR
C116
75p
C106
C103
2p 75p
C151 C156
R157
3p 0.0047 100
D151
HSM88AS
C155 R155
100
82p
L151
LR-502
D152
HSM88AS
D202
C202
HSM88AS
1p
L201
LR-502
D201
Q201
HSM88AS
2SK515
R252 R253 R254 R255
56 56 47
56
TRC
RL251
AE5349
J351
RX-ANTB
to BPF
R256
unit J106
56
TRC
Q251
J251
DTC114EU
RL252
from/to NETWORK TUIN FTR-F1
board J2
THRU1
J51
GND
GND
3R5M
5M
7M
10M
14M
18M
24M
VHF
GND
to NETWORK
FANC
board J1
+15V
+15V
CO3
CO2
CO1
VHCO
VHCI
CI3
CI2
CI1
GND
RL253
GND FTR-F1
THRU1
THRU2 THRU2
J252
TUOT
from/to NETWORK
D301
board J3
HSM88AS
C301
1p
L301
R304
LR-502
10k
R305
220k
D302
HSM88AS
J301
from/to ANT-SW TX/RX-A
unit J1
R115 2.7M
FOR
R111 2.7M
CP101
R113
3
1k
1 AN1
2
IC101
NJM4558M
D103
1SS319
1 4
R112
1.2M
2 3
R114
5
1k
AN0
7
6
IC101
NJM4558M
L102
10µ
+5V
+5VL
8
V+
GND
4
IC101 L103
NJM4558M
100µ
-12VL
-12VL2
IC156
IC153
TC74ACT112F
TC7SZ32F
R158 10k R160
1 5
R164
2 12 7
47 47
K Q
IC151 3 4 13
CK
1 14 11 9
J Q
2 13 C173 0.0047
IC155
3 12 TC7SZ32F
C180 0.1
4 11 1 5
R168
5 10 2
47
6 9 3 4
7 8
IC154
C175
TC74AC04F TC7SZ32F
0.0047
1 5
R165
2
R159 R161
47
3 4 2 6
10k 47
K Q
1
CK
C174 0.0047 3 5
J Q
C181 0.1
IC156
16
TC74ACT112F
IC156 V+
TC74ACT112F GND
8
R221 82k
8
V+
IC201
GND
NJM4558M
R213 5.6k IC201 -15VL2 4
C211
R214 5.6k 3 NJM4558M
0.0047
1
2
R225 R227
R211 R215
2.2k 10k 10k
100k R223
R210 1.5M
1k
R222 100k
2.5V
R226 R228
R216 6.8k
IC201
C212 10k 10k
R217 6.8k 5 NJM4558M
0.0047
7
6
R212
R218
D203
10k 100k
1SS319
R224
1.5M
+15VL
TRC
C418 10
C420 0.0047
10 9
R409 GND VCC
3R5M 4.7 11 8
O8 I8
5M R410 4.7 12 7
O7 I7
7M R411 4.7 6
13
O6 I6
10M R412 4.7 14 5
O5 I5
14M R413 4.7 15 4
O4 I4
18M R414 4.7 16 3
O3 I3
24M R415 4.7 17 2
O2 I2
3R5M VHF R416 4.7 18 1
O1 I1
5M
7M IC402
10M at selected: 13.4V TD62783AF
14M
18M
24M
VHF C417 10
C419
FANC
0.0047
+15V
10 9
R401 GND VCC
CO3 4.7 11 8
O8 I8
CO2 12 7
R402 4.7
O7 I7
CO1
R403 4.7 13 6
O6 I6
VHCO R404 4.7 14 5
O5 I5
VHCI R405 4.7 15 4
O4 I4
CI3 R406 4.7 16 3
O3 I3
CI2 R407 4.7 17 2
O2 I2
CI1 4.7 18 1
R408
O1 I1
IC401
at selected: 13.4V TD62783AF
THRU1
THRU2
R309 220k
FOR
R310
2.2M
IC301
2 NJM2903M FOR
1
3
R311
1k
R308
L302
2.2M 100µ
+5V
IC301
6 NJM2903M 8
7 V+
IC301 THRU1
5 GND
NJM2903M
THRU2
4
+15VL
FOR
+5V
AN1
AN0
+5V
+5VL
-12VL
+5V
-12VL2 R2
R3
R4
R5
R173
3.3k
R6
R170 C163
47 220p
D153
HSM88AS
D154
R171 C164 HSM88AS
47 220p
L152
10µ
+5V
-12VL2
AN3
+5V
AN2
Q59
DTC114EU
+15VL +15VL
TRC
-12VL
+3R3VL +3R3VL
FOR
REF
TOE
TOE
+3R3VL 16 1 CSTB
VCC STROBE 2
15 TDAT CSTB
OE DATA 3
14 TCK TDAT
Q4 CP 4
13
TCK
Q5 Q0 5
12
Q6 Q1 6
11
Q7 Q2 7
10
QS2 Q3 8
9
QS1 GND
IC51
CD74HC4094M
R51 1k
R52 1k
R53 1k R87 0 7M
R54 1k R88 0 10M
R55 1k R89 0 14M
R56 1k R90 0 18M
R57 1k R91 0 24M
R58 1k R92 0 VHF
R40 1k
R59 1k CO3
R60 1k CO2
R95 0 R61 CO1
1k
R62 1k NVHF
R63 1k CI3
Explanatory notes
R64 1k CI2
R97 0 R65 1k CI1
4.6MOL
VOLTAGE LINE
+5V
IC52 R66 TX LINE
BU4066BCF 4.7k
RX LINE
COMMON LINE
Q53
DTC114EU
MESUREMENT CONDITIONS
Q51
voltage at RX(no instruction)
+5V DTC114EU
frequency: 14.1 MHz
mode: J3E(USB)
ANT(RX): no input
Q52
(TX): no modulation
DTC114EU 4.6MOL
Digital tester
range: input impedance
FOR
200mV: 100MΩ
2V: 11MΩ
20V,200V,1000V: 10MΩ
+5V
THRU1
THRU2
+15VL +15VL
L1
100µ
+5V
C10
0.1
IC2
HN58X2416TI
1 8
A0 VCC
2 7
A1 WP
AN3 3 6
A2 SCL
4 5
VSS SDA
L2
C8
100µ
0.1
AN2
AN3 IC1
AN2 M38022M2
AN1
AN0
1 48
P62/AN2 P00/AD0
2 47
P61/AN1 P01/AD1
3 46
P60/AN0 P02/AD2
4 45
P57/INT3 P03/AD3
5 44
P56/PWM P04/AD4
6 43
P55/CNTR1 P05/AD5
7 42
100k
P54/CNTR0 P06/AD6
100k 8 41
P53/SRDY2 P07/AD7
100k 9 40 CI1
P52/SCLK2 P10/AD8
100k 10 39 CI2
P51/SOUT2 P11/AD9
11 38 CI3
P50/SIN2 P12/AD10
12 37
P47/SRDY1 P13/AD11
13 36
CO1
P46/SCLK1 P14/AD12
14 35 CO2
P45/TXD P15/AD13
10k 15 34 CO3
P44/RXD P16/AD14
16 33
P43/INT2 P17/AD15
CP1
THRU
163nsec
X1
CR-569
4.5V
IC3
R15
TC4S69F
1k
R20
4 3
12k
2
5 1
C40 0.1
C25
0.1
IC6
TC7S08F
4 3
2
5 1 TRC +5V
5.0V
+5V +5V +5V 2
O
TRC T8V
TX: 4.9V Q1 Q2
RX: 0.0V DTA114EU DTC114EU
+15VL
TRC
TX: 8.1V
RX: 0.0V
-12VL
+3R3VL
T8V
FOR
REF
TOE
CSTB
TDAT
TCK
IKEYB
L51
100µ
TOE
LPF8
LPF2
10 STB 1
FSTB R67
STROBE VCC
2
TDAT R68 10
DATA OE
TCK R69 10 3
CP Q4
4
Q0 Q5
5
Q1 Q6
6
Q2 Q7
7
Q3 QS2
8
R86
GND QS1
Q54
10k
2SK3018
OE
IC55
CD74HC4094M
TOE
+15V
STB
IC56
1
STROBE VCC
2
DATA OE
CK 3
CP Q4
LPF1 4
Q0 Q5
ANT4R 5
Q1 Q6
6
Q2 Q7
7
Q3 QS2
8
GND QS1
CD74HC4094M
ANT4R
LPF1
L52
100µ
+15VL +15V
THRU
OE
CK
THRU1
THRU2
11 - 27
L5
100µ
T15V
T15V T15V
15.0V
J2
Q3 T15V
DTC114EU
PW PW PW
PX
Q4
PY
DTC114EU
PX PX PZ to TUNER
T15V unit MF1,MF2
Q5
AW
DTC114EU
PY PY AX
AY
Q6
AZ
DTC114EU
PZ PZ
Q7
DTC114EU
AW AW
Q8
DTC114EU
AX AX
Q9
DTC114EU
AY AY
Q10
DTC114EU
AZ
EP1
W1
15.0V
D1 R22
RD5.1M 1.2k
+15VL
IC5
TC74HCT7007AF +5V
+5V
IC4
TA7805F
1
I
G
+5V +5V
L4
J1
EXC-ELDR25C
+15VL +15V +15V
+15V
+15V
3.3V
-11.8V GND
GND
GND
-12VL L6 EXCCL3225U -12V -12V
+3R3VL L7 EXCCL3225U +3R3V +3R3V
T8V L8 EXCCL3225U T8V T8V
FOR R23 10k FORV FORV
REF R24 1k REFV REFV
to LOGIC
GND
unit J811
TOE TOE TOE
FSTB FSTB FSTB
CSTB CSTB CSTB
TDAT TDAT TDAT
TCK TCK TCK
GND
TDRS
L9 GNDL
IKEYB IKEYB IKEYB ISTA
IKEY
THRI
GND
R345
10k
L9
Q11
HF50ACC322513
DTC114EU
at selected: 12.7V
IC57
TD62783AF J52
16 1 18 R70 4.7
LPF2 50M
I1 O1
15 2 17
LPF8 R71 4.7 7M
I2 O2
14 LPF3 LPF4 3 16 R72 4.7 10M
I3 O3
13 LPF6 LPF7 4 15 R73 4.7 24M
I4 O4
12 LPF9 LPF3 5 14 R74 4.7 14M
to FILTER
I5 O5
11 LPF6 6 13 R75 4.7 18M
I6 O6 unit J902
10 LPF9 7 12 R76 4.7 5M
I7 O7
9 8 11
LPF5 LPF5 R77 4.7 3R5M
I8 O8
+15V 9 10 2M
VCC GND
GND
LPF7
C70 0.1
Q55
J53
DTC114EU
C72 10 14.5V +15V
+15V ANT4R
OE
STB DATA
to FILTER
CK
R78
unit J905
16 LPF1 1 18 STB
I1 O1
15 ANT4R 2 17 +15V GND
4.7
I2 O2
14 3 16 ANT4R GND
I3 O3
13 4 15 OE
I4 O4
12 5 14 at selected: 12.7V DATA
I5 O5
11 6 13
CK
I6 O6
10 7 12
DATA R84 4.7 THRU2
I7 O7
9 8 11 R85 4.7 THRU1
I8 O8
9 10
VCC GND
IC58
TD62783AF
C71
0.1
+15V +15V
DATA
THRU
OE OE
CK CK
THRU1 THRU1
THRU2 THRU2