Voltage Diagram - Icom IC-7100 Service Manual Addendum

(Amended page)
February 2017
SECTION 1

VOLTAGE DIAGRAM

• DISPLAY UNIT (DISPLAY-1)
CP403 SHORT1005
3R3V 1
CP404 SHORT1005
MAINDBK 2
CP405 SHORT1005
MAINDAK 3
CP406 SHORT1005
CLKK 4
GND 5
J405
[INT SP]
1
2
J401
J402
EP402 MPZ2012S601A
EP403
EP401
MPZ2012S601A
MPZ2012S601A
[PHONE/SP]
MP402
3393
EP404
MMZ1608S601A
EP406
MMZ1608S601A
J403 EP405
MMZ1608S601A
[ELE-KEY]
EP507 Q501
2SB1132G
MPZ1608S601A R508
4.7
R521
100k Q505
L2SA1576AR
Q503
LDTC143ZE
[MIC]
J501
F8VM 1
EP501 MMZ1608S601A
U/D 2
EP502 MPZ2012S601A
FMSL 3
EP503 MPZ1608S601A
PTT 4
EP504 MMZ1005S601CT
MICLE 5
EP505 MMZ1005S601CT
MICL 6
GND 7
EP506 MMZ1005S601CT
SQLS 8
*: Refer to the PARTS LIST for the value and name of component.
MAINDBK
MAINDAK
CLKK
DISPLAY-2
Q403
TPCF8107
1 8
2 7
C406
470
3 6
4 5
R413
220K
C410
1
S401
R414
Q404
RUE002N02
10k
MCS121D
R404 100 C408
1 8
R403 100 470
7
2
3 6
Q401
TPCF8107
4 5
R412
220K
C409
1
FSPK_
R415
Q402
10k
R910
FDOTK
1k
R909 RUE002N02
FDSHK
1k
DISPLAY-2
RL801
Q504
LDTA114EE
G 6K-2F
Q508
LDTC143ZE
R801
100
R512
100
R519 5
3
4
10K D501 R510
1
33k
2 L1SS400
Q502
DSC7004S0
DISPLAY-2
30
MP601
3393
IC601
TPS61161ADRV
1
FB
2
COMP
3
GND
470
C414
ISPS
DISPLAY-2
470
C413
FSPS
DISPLAY-2
Q801
LDTC143ZE
Q507
L2SC4081
EP701
MPZ1608S601A
R507 L701
150 4.7U
Q506
LDTA114EE
[SPEECH/LOCK]
S602
LS8J2M
6
VIN
5
CTRL
4
SW
R609 R613
C602 6.8k 2.2k
[RIT]
1
S603
LS8J2M
R610 R614
6.8k 2.2k
[MENU] [NB]
S601 S604
LS8J2M LS8J2M
R611
6.8k
[NR]
S605
LS8J2M
R612
6.8k
[SET]
S606
LS8J2M
CP410
C706
470P
SHORT
R702
4.7k
IC701
1 6
CE VFB
2 5
VIN GND
3 4
LX BST
R1240N001A Explanatory notes
R701
C705
0.1 47
3R3V
SPCHK
XFCK
MPADK
[XFC]
[MPAD]
S607 S612
LS8J2M LS8J2M
KELV
R615 R619
4.7k 15k
[TUNER/CALL] [RF PWR/MIC]
S608 S613
LS8J2M LS8J2M
KI0
4.7k 15k
R617 R622
[SPEED/PITCH] [P.AMP/ATT]
S609 S614
LS8J2M LS8J2M
KI1
2.2k 4.7k
R616 R621
[NOTCH] [DR]
S610 S615
LS8J2M LS8J2M
KI2
2.2k R620
R618 4.7k
[QUICK] [AUTOTUNE/RX-CS]
S611 S616
LS8J2M LS8J2M
KI3
DISPLAY-2
To MAIN
J701
EP702
MPZ2012S601A
8V
F8V
1
EP703
PWRK
2
MPZ2012S601A
AFO
3
EP704
FLRXD
MMZ1005S601CT 4
MICE
5
EP705
MIC
6
CP407 SHORT
GND
7
MMZ1005S601CT FLTXD
8
PWRK
FLRXD
TX Line
FLTXD
RX Line
Common Line
Voltage Line
8V
DISPLAY-2