Icom IC-756PRO Service Manual

85
41
5
8
15
12
4
1
85
41
1
4
8
5
5
8
81
16
1
89
98
1
8
1
16
9
16
16
9
81
169
4
1
1
4
8
5
10
11
20
1
8
5
1
4
85
14
5
8
4
1
14 8
71
14 8
71
102
103
128
14
8
1
10 11
20
1
1
10
10
11
11
20
20
1
1011
20
23 44
22
3332
64
65
9697
128
1
1
14
8
1
7
1
7
1
38
39
6465
C3725
R241,C245
C453
C3513
C3554
+
C363
+
C316
W308
R301
W3014
R247
+
+
R241
Side View
Q241
C245
to PA unit J3
PWRS
ICH
14V 14V
8V
14VA
14V
5V
NC
GND GND GND GND GND
14V
PAT 8
ICL
14V 14V
H5V
8V
14VA
5V
HV
GND GND GND GND GND
14V
J771
129
30 2
3LO from PLL unit J701
P701
REMOTE
KEY
EXSP
ALC
SEND
to DSP
board J2001
GND
DRIF
DMAF
GND
D5VA
D5VA
D5VA
DRAF
GND
GND
GND
GND
FMTL
GND
DTAF
GND
DTIF
GND
GND
AGC
GND
GND
GND
−8V
−8V
−5V
−5V
8V
8V
GND
J201
J352
29
1
30
2
to DISPLAY
board J451
SPE SSP
21
to CTRL
unit J7
14V
NC
FORV
ANTS
NC
−8V
IKEY
FSTB
CMCK
GND
14V
14V
NC
REFV
T8V
5V
NC
ISTA
GND
CMDT
DRES
J741
J641
1
21
ETE
ET14
ETST
ETKY
1
4
to EXT
TUNER
5V
22
2
to RF unit J951
T/R2IF
from RF unit J741
P741
14V
8V
5V
RANS
T8V
NC
−5V
SCPL
MDAT
BST8
BLBV
14V
AGC
NC
TRVI
ALC
NC
R8V
BLAV
GND
MCK
SATV
J811
22
2
121
to PLL unit J1
GND
14V
PSTB
5V
UNLC
CON2 CON0
8V
GND
NC
DRES
5V
14V
PSEL
CON1
NC
J841
16
2
115
to DSP
board J2002
to DISPLAY
board J321
to DISPLAY
board J301
to MEMORY
board J2
to MEMORY
board J1
GND
GND
MDAT
DSFW
RTDT
CTFL
DSFR
NC
NC
DSDR
GND
M5V_d
GND
AGRS
MCK
GND
DSKY
DSRS
ACKS
CALS
MSLI
TXS
AMS
MODS
DPGI
NSQO
GND
3R3V_d
3R3V_d
FMNS
J202
29
1
30
2
D8
D9
D13
D14
D10
D11
D12
GND
GND
GND
GND
GND
GND
GND
D15
D7
D6
D2
D1
D0
D5
D4
D3
GND
HWR
RD
RD
CS0
CS3
GND
J3504
16
130
15
A18
A17
A13
A12
A16
A15
A14
A10
A10
GND
GND
GND
GND
GND
A11
A9
A8
A4
A3
A2
A7
A6
A5
A0
GND
RESET
BYTE
Vcc
Vcc
A1
J3503
16
130
15
14V
NC
PWRK
GND
NC
SPE
SPE
8V
MICE
SQSS
NC
GND
14V
14V
TMD
GND
GND
NC
NC
AFO
MSND
AFO
NC
MICI
J861
23
1
24
2
NC
14V
GND
GND
NC
NC
−8V
B
R
DRES
LFMD
VSYNC
NC
14V
NC
GND
GND
14V
NC
−8V
G
YOB I
LMFD
HSYNC
J891
2
24
1
23
FZRX
FZRS
FZMD
GND
GND
H5V
FZTX
FZVP
FRMD
GND
J1702
2
10
1
9
8-6 MAIN UNIT (TOP VIEW)
8 - 10

Icom IC-756PRO Specifications

General

Brand	Icom
Model	IC-756PRO
Category	Transceiver
Language	English