Icom IC-9700 Service Manual Addendum page 160

• DISPLAY UNIT
R1
DS1 HT-191UYG
Q1
POWER LED 100
LDTC143ZE
STANDBY LED
DS3 SML-D12D8WT86 J51
3R3V MVRK
R51 1 2
MAFL MRFL
3 4
[POWER]
GND GND
1k
5 6
S1 VR-A UNIT
LS37J2
[TRANSMIT]
[P.AMP/ATT] [NOTCH]
TRSK
S2
S5 S6
LS37J2
LS37J2 LS37J2
[CALL/DR] [NB] [NR]
CALK
S3 S7 S8
LS37J2 LS37J2 LS37J2
[VOX/BK-IN]
S4
J61
3R3V
1
R61
SAFL
3
GND
1k
5
LS37J2
VR-B UNIT
8V
3R3V
RESETI
R401
PHK_
PHK
EP401
PHA 22k
MPZ2012S601A
EP402
PHONE UNIT PHE
MPZ2012S601A
EP403
PHB
MPZ2012S601A
GND
PHB
PHB
PHE MUD
PHE
PHA
PHA 4
MAIN UNIT PHE
PHE 3
(4/13)
MICE
MICE 2
MIC
MICI
1
J421
R422
SQLS
2.2k
Q462
R462
2SB1132G
Q461 4.7
L2SA1576AR
R461
4.7k R464
J451
100k
EP451
AFO 1
MPZ2012S601A
EP452
8V 2
MPZ1608S601A
EP453
MUDL 3
EP454 MMZ1608S601A
SQLS 4
EP455 MMZ1005S601CT PTT
PSEND 5
MIC UNIT MPZ2012S601A
PSEND 6
GND 7
EP456
MICE 8
MMZ1005S601CT
GND 9
EP457
MICI 10
MMZ1005S601CT
R52
DS1(FRONT UNIT)
1k
R54
1k
J101
42
3250
MP1
L102
47U
IC101
TPS61161ADRV
1 6
FB VIN
2 5
COMP CTRL D101
3 4
GND SW
DB2141300L
24.4V/38mA
[MENU] [FUNCTION] [M.SCOPE]
S9 S10 S11
SVRK R62
2
SRFL R63 1k
4
GND 1k
6
LS37J2 LS37J2 LS37J2
PHK
1
FUDL
P120/ANI19/VCOUT0
SVRK 2
P43/(INTP9)
D472 MVRK 3
P42/(INTP8)
4
P41/(TRJIO0)
TOOL0 5
P40/TOOL0
6
FRES
RESET
R501 7
R472 P124/XT2/EXCLKS
LRB706F R502 47k 8
P123/XT1
47k 9
47k P137/INTP0
R503 10
P122/X2/EXCLK
47k 11
R504
P121/X1
C501 47k 12
REGC
1 13
VSS
14
EVSS0
C502 15
VDD
0.1 16
C503
EVDD0
0.1
FSQS
Q481
LDTC143ZE
Q491
L2SC4081
R492
33k
FSENI
FTRAS
Q492
DSC7004S0
R496
Q493
150
LDTA114EE
PWRDS MFDAK
DS2
RDS
MFK
Q2
MFDBK
YGHR411 LDTC143ZE
R2
41
100
R3 TDS
330
Q3
LDTC143ZE
TWDCLC
TWCS
TWDTX
TWBUSY
IC152
17
5 16 TWDRX
AVDD DOUT
6 15 TWPIRQ
X+ PENIRQ
7 14
Y+ DVDD
8 13
X- VREF
UC6528XBNQ4G
[QUICK] [EXIT]
XFCK
S12 S13
LS37J2 LS37J2
IC501 MAINDAK
R5F104LCAFB
MAINDBK
48
P147/ANI18/VCOUT1
47
P146
46
P10/SCK11/SCL11/TRDIOD1
45
P11/SI11/SDA11/TRDIOC1/(RxD0_1)
44
P12/SO11/TRDIOB1/IVREF1/(INTP5)/(TxD0_1)
43
P13/TxD2/SO20/TRDIOA1/IVCMP1
42 BKLV
P14/RxD2/SI20/SDA20/TRDIOD0/(SCLA0)
41 RDS
P15/SCK20/SCL20/TRDIOB0/(SDAA0)
40 TDS
P16/TI01/TO01/INTP5/TRDIOC0/IVREF0/(SI00)/(RxD0)
39 PWRDS
P17/TI02/TO02/TRDIOA0/TRDCLK/IVCMP0 /(SO00)/(TxD0)
38
P55/(PCLBUZ1)/(SCK00)/(INTP4)
37
P54/(INTP3)
36 MAINDBK
P53/(INTP2)
35 MAINDAK
P52/(INTP1)
34 FLTXD
P51/INTP2/SO00/TxD0/TOOLTxD/TRGIOB
33
FLRXD
P50/INTP1/SI00/RxD0/TOOLRxD/SDA00/TRGIOA/(TRJO0)
TWPIRQ
10-17
R42
2.2k
J71
[RIT]
R71
MFDAK
6 5
R72 MFK S17
4 3 1k
1k
R73 MFDBK
2 1
1k
RIT UNIT
LS37J2
KI0
KI3
R41 R32
6.8k 2.2k
[XFC] [SPLIT]
S14 S20
XFCK
LS37J2 LS37J2
KI2
[AFC/AUTO TUNE] [SCAN]
S15 S23
LS37J2 LS37J2
R22
2.2k
KI1
[SPEECH/LOCK]
S16
LS37J2
RESETI
R201
R203
J601
8V 8V
1 2
8V NC
3 4
5V NC
5 6
3R3V 3R3V
7 8
3R3V NC
9 10
GND LCD_R3
11 12
R4 R601 LCD_R4 LCD_R5
13 14
R6 R602 22 LCD_R6 LCD_R7
15 16
G2 R603 22 LCD_G2 LCD_G3
17 18
22
G4 R604 LCD_G4 LCD_G5
19 20
22
G6 R605 LCD_G6 LCD_G7
21 22
B3 R606 22 LCD_B3 LCD_B4
23 24
B5 R607 22 LCD_B5 LCD_B6
25 26
B7 R608 22 LCD_B7 LCD_CLK
27 28
22
DISP R609 LCD_ON LCD_HS
29 30
22
VSYNC R610 LCD_VS LCD_DE
31 32
22 GND STB_LEDV
33 34
RESETI R611 FRES LTXD
35 36
R612 100 LRXD PWRK
37 38
22
GND GND
39 40
MAIN UNIT
(4/13)
Explanatory notes
TX Line
RX Line
Voltage Line (8V)
* Refer to the PARTS LIST for the value and name of component.
8V
3R3V
R43 R44
4.7k 15k
[kHz/M-ch] [PBT]
S18 S19
LS37J2 LS37J2
R33 R34
4.7k 15k
[A/B] [V/M]
S21 S22
LS37J2 LS37J2
R24
15k
[TONE/RX>CS] [MPAD]
S24 S25
LS37J2 LS37J2
5V
J201
1 5V
R202 MAINDBK_
MAINDBK
2
MAIN DIAL
82k R204 47k MAINDAK_
3 MAINDAK
82k 47k
4 GND
EP601 8V
EP602 MPZ1608S601A 5V
MPZ1608S601A
EP603 3R3V
MPZ1608S601A
R613 R3
R614 22 R5
R615 22 R7
R616 22 G3
22
R617 G5
22
R618 G7
R619 22 B4
R620 22 B6
R621 22 CLK
22
R622 HSYNC
22
R623 DE
EP604 22 STB_LEDV
R624 MMZ1005S601CT FLRXD
R625 22 PWRK
100