Icom IC-7800 - SW-C BOARD; PBT1 BOARD; PBT2 BOARD; LED BOARD

11-13 PBT1 BOARD
11-15 LED BOARD
to TENKEY
board J5
DS1
SML-A12UT
DS2
SML-A12MT
DS3
SML-A12WT
DS4
CL-270WB
DS6
SML-A12MT
DS5
SML-A12UT
DS7
LED BOARD
SML-A12WT
680
R2
680
R6
1k
R3
1k
R7
J1
1.8k
R1
470
R4
1.8k
R5
LDPS
LDPSLDPSLDPS
MTXD
MLCDMLCD
STXDSTXD
SLCD
NC
GND
SRXD
SLCD
SRXD
MRXDMRXD
SPLDSPLD
MAIN TXMAIN RXMAIN LOCKSPLITSUB RX SUB TXSUB LOCK
range : input impedance
200mV : 100MΩ
2V : 11MΩ
20V,200V,1000V : 10MΩ
MESUREMENT CONDITIONS
voltage at RX
frequency : 14.1 MHz
mode : J3E(USB)
Digital tester
ANT(RX) : no input
MIN/MAX
8.19 3.31V
7.22V
VOLTAGE LINE
Explanatory notes
to TENKEY
board J4
4.7k
R3
0.0047
C1
4.7k
R2
0.0047
C2
TP90D96E20
S1
PBT1 BOARD
1
COM
2
A
3
B
4
COM
5
A
6
B
J1
RV-319R1
MP1A
MP1A
MP1B
MP1B
MP2A
MP2A
MP2B
MP2B
MP1A
MP1B
MP2A
MP2B
MNCL
MNCL
MAPL
GND
GND
GND
3R3V
3R3V
MAIN APF/NOTCH VR
MAIN TWIN PBT
3.3V
A,C
turn left turn right
B,D
A,C
B,D
0V
3.3V
0V
3.3V
0V
3.3V
0V
MIN/MAX
0.00 3.28V
3.30V
B
A
C
D
1.65V
range : input impedance
200mV : 100MΩ
2V : 11MΩ
20V,200V,1000V : 10MΩ
MESUREMENT CONDITIONS
voltage at RX
frequency : 14.1 MHz
mode : J3E(USB)
Digital tester
ANT(RX) : no input
11-12 SW-C BOARD
VOLTAGE LINE
Explanatory notes
to TENKEY
board J3
to PBT2
board J1
4.7k
R2
15k
R3
2.2k
R1
6.8k
R4
15k
R7
2.2k
R5
4.7k
R6
6.8k
R8
4.7k
R10
15k
R11
6.8k
R12
2.2k
R9
4.7k
R14
6.8k
R15
2.2k
R13
470
R51
470
R52
470
R53
470
R54
470
R55
470
R56
470
R57
470
R58
0.1
C1
0.1
C2
0.1C3
0.1
C4
J1
J2
LS8J2M
S1
LS8J2M
S2
LS8J2M
S3
LS8J2M
S4
LS8J2M
S5
LS8J2M
S6
LS8J2M
S7
LS8J2M
S8
LS8J2M
S9
LS8J2M
S10
LS8J2M
S11
LS8J2M
S12
LS8J2M
S13
LS8J2M
S14
LS8J2M
S15
SW-C BOARD
LS8J2M
S16
LS8J2M
S17
LS8J2M
S18
LS8J2M
S19
LS8J2M
S20
LS8J2M
S22
LS8J2M
S21
SML-512MW
DS51
SML-512MW
DS52
SML-512MW
DS53
SML-512MW
DS54
SML-512MW
DS55
SML-512MW
DS56
SML-512MW
DS57
SML-512MW
DS58
GND
GND
SP1A
SP1A
SP1B
SP1B
SP2A
SP2A
SP2B
SP2B
SAPL
SAPL
PITL
PITL
SNCD
SNCD
SNCDSNCD
SAUD
SAUD
SAUD SAUD
MAUD
MAUD
MAUD
SAPD
SAPD
SAPDSAPD
MAPDMAPD
MAPD
SPCD
SPCD
MPCD
SPCD
MPCD
MPCD
SATK
SLCK
GND
MLCK
SSPK
MSPK
STSK
MTSK
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V3R3V
3R3V
3R3V
SNCL
SNCL
KI3
KI3
KI2
KI2
LDPS
LDPS
LDPSLDPS
LDPS
LDPS
LDPS
MNCD
SP1A SP1B SP2A SP2B SAPL
PITL
SNCD
SAUD
MAUD
SNCL
MNCD
MNCD
MNCDMNCD
KI1
KI1KI1
KI1
KI0
KI3
KI2
KI1
KI0
KI0KI0
KI0
MTSK
MTSK
STSK
STSK
MSPK
SSPK
MLCK
SATK
SLCK
MAIN FILTERSUB FILTER
MAIN PBT CL
SUB PBT CL
MAIN APF/TPF
SUB DIGI-SEL
MAIN DIGI-SEL
SUB APF/TPF
MAIN NOTCH
RIT
dTX
SUB NOTCH
SPLIT
CLEAR
DUAL WATCH
MAIN TS
MAIN SPEECH
MAIN LOCK
SUB AUTO TUNE
SUB TS
SUB SPEECH
SUB LOCK
MIN/MAX
8.19
3.31V
7.22V
range : input impedance
200mV : 100MΩ
2V : 11MΩ
20V,200V,1000V : 10MΩ
MESUREMENT CONDITIONS
voltage at RX
frequency : 14.1 MHz
mode : J3E(USB)
Digital tester
ANT(RX) : no input
OFF
CLEAR
DUAL WATCH
SPLIT
3.30V
0.00V
0.803V
1.653V
OFF
MAIN FILTER
SUB FILTER
MAIN PBT
3.30V
0.00V
0.802V
1.667V
SUB PBT 2.52V
OFF
MAIN NOTCH
SUB NOTCH
RIT
3.30V
0.00V
0.799V
1.657V
dTX 2.51V
OFF
MAIN DIGISEL
SUB DIGISEL
MAIN APF/TPF
3.30V
0.00V
0.805V
1.658V
SUB APF/TPF 2.51V
ON
SLCK
SATK,STSK,SSPK,
MTSK,MSPK,MLCK,
OFF
0.00V
3.29V
11-14 PBT2 BOARD
VOLTAGE LINE
Explanatory notes
PBT2 BOARD
to SW-C
board J2
J1
TP90D96E20
S1
1
COM
2
A
3
B
4
COM
5
A
6
B
0.0047
C2
4.7k
R3
0.0047
C1
4.7k
R4
R5
4.7k
0.0047
C3
RV-319
R1
RV-318
R2
SP1A
SP1A
SP1B
SP1B
SP2B
SP2B
SP2A
SP2A
SP1A
SP1B
SP2B
SP2A
GND
GND
SNCL
SNCL
PITL
PITL
SAPL
SAPL
3R3V
3R3V
3R3V
SUB TWIN PBT
SUB APF/NOTCH VR
CW PITCH VR
3.3V
A,C
turn left turn right
B,D
A,C
B,D
0V
3.3V
0V
3.3V
0V
3.3V
0V
MIN/MAX
0.00
3.28V
MIN/MAX
0.00
3.28V
3.30V
B
A
C
D
1.65V
range : input impedance
200mV : 100MΩ
2V : 11MΩ
20V,200V,1000V : 10MΩ
MESUREMENT CONDITIONS
voltage at RX
frequency : 14.1 MHz
mode : J3E(USB)
Digital tester
ANT(RX) : no input
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