Icom IC-9700 Service Manual page 90

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