Icom IC-7100 Service Manual Addendum page 279

SECTION 10. VOLTAGE DIAGRAM
• DISPLAY UNIT (DISPLAY-1)
3R3V CP403 SHORT1005
1
M AINDBK CP404 SHORT1005
2
M AINDA K CP405 SHORT1005
3
CLKK CP406 SHORT1005
4
GND
5
[INT SP]
1
2
J401
J402
EP402 MPZ2012S601A
EP403
EP401
MPZ2012S601A
MPZ2012S601A
[PHONE/SP]
3393
MP402
EP404
MMZ1608S601A
MMZ1608S601A
EP406
J403 MMZ1608S601A
EP405
[ELE-KEY]
Q501
EP507
2SB1132L
MPZ1608S601A R508
4.7
R521
100k
[MIC]
J501
F8VM
1
U/D EP501 MMZ1608S601A
2
FMSL EP502 M PZ2012S601A
3
PTT EP503 M PZ1608S601A
4
MICLE EP504 MMZ1005S601CT
5
M ICL EP505 MMZ1005S601CT
6
GND
7
SQLS EP506 MMZ1005S601CT
8
MAINDBK
MAINDAK
CLKK
DISPLAY-2
Q403
TPCF8107
1 8
2 7
C406
470
3 6
45
R413
220K
C410
1
S401
R414
Q404
RUE002N02
10k
MCS121D
R404 100 C408
1 8
R403 100 470
2 7
3 6
Q401
45 TPCF8107
R412
220K
C409
1
FSPK_
R415
10k
R910
FDOTK Q402
1k
R909
RUE002N02
FDSHK
1k
DISPLAY-2
RL801
Q505
L2SA1576AR Q504
LDTA114EE
Q503 G 6K-2F
Q508
LDTC143ZE
LDTC143ZE
R801
100
R512
I C501 100
TA75S01F
R519 5
3
4
10K D501 R510
1
2
L1SS400
Q502
DSC7004S0
DISPLAY-2
10-1
1
2
3
470
C414
ISPS
DISPLAY-2
470
C413
FSPS
DISPLAY-2
Q801
LDTC143ZE
Q507
L2SC4081
EP701
33k
MPZ1608S601A
R507 L701
150 4.7U
Q506
LDTA114EE
[SPEECH/LOCK]
3393
MP601
I C601
TPS61161ADRV
6
FB VIN
5
COMP CTRL
4
GND 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
SHOR T
R702
4.7k
IC701
1 6
CE VFB
2 5
VIN GND
3 4
LX BST
R1240N001A
R701
C705
0.1 47
*: Refer to the PARTS LIST for the value and name of component.
3R3V
SPCHK
XFCK
MPADK
[XFC]
[MPAD]
S602 S607 S612
LS8J2M LS8J2 M LS8J2M
KELV
R615 R619
4.7k 15k
[TUNER/CALL] [RF PWR/MIC]
S608 S613
LS8J2 M LS8J2M
KI0
4.7k 15k
R617 R622
[SPEED/PITCH] [P.AMP/ATT]
S609 S614
LS8J2 M LS8J2M
KI1
2.2k 4.7k
R616 R621
[DR]
[NOTCH]
S610 S615
LS8J2 M LS8J2M
KI2
R620
2.2k
R618 4.7k
[QUICK] [AUTOTUNE/RX-CS]
S611 S616
LS8J2 M LS8J2M
KI3
DISPLAY-2
To MAIN
J701
EP702
MPZ2012S601A
8V
1 F8V
PWRK
EP703 MPZ2012S601A 2
AFO
3
FLRXD
EP704 MMZ1005S601CT 4
MICE
5
EP705 MMZ1005S601CT
MIC
6
CP407 SHORT
7 GND
8 FLTXD
PWRK
FLRXD
EP710
MMZ1005B601C
FLTXD
8V
GSS
DISPLAY-2