Icom IC-7610 Service Manual page 84

• MAIN UNIT (1/11)
T8V
-12V EP121 MPZ1608S601A
EP122
+14V Q101
MPZ1608S221A
LDTA114EE
J101
EP123
Q103
+3R3TU
30 29
MPZ1608S601A
28 27
LDTC114EE
26 25
24 23
R109 100
22 21
ANTS 100 R101 R110 100
20 19
REFLP 100 R102 EP111 MMZ1005A152ET
18 17
FORLP 100 R103 R112 100
16 15
MMZ1005A152ET
T8V EP104 R113 100
14 13
100
R114
12
11
100
TSTB2 100 R106 R115
10 9
100
TSTB4 100 R107 R116
8 7
TCLK 100 R108 R117 100
6 5
4 3
2 1
TUNER UNIT
J151
+5V MPZ1608S601A EP151
30 29
+3R3V MPZ1608S601A EP152
28 27
26 25
EP159 MMZ1005A152ET
24 23
FID1V MMZ1005A152ET EP153 EP160 MMZ1005A152ET
22 21
FID2V MMZ1005A152ET EP154 EP161 MMZ1005A152ET
20 19
MDAT 100 R155 EP162 MMZ1005A152ET
18 17
DRESL 100 R156 R163 100
16
15
PSTB 100 R157 EP164 MMZ1005A152ET
14 13
MCK 100 R158 EP165 MMZ1005A152ET
12 11
10 9
EP168 MMZ1005A152ET
8 7
6 5
R166 100
4 3
R167 100
2 1
PA UNIT
+3R3V MPZ1608S221A EP201
+8V MPZ1608S221A EP202
+14V MPZ1608S221A EP203
J201
30 29
28 27
26 25
24 23
22
21
20 19
18 17
16 15
14 13
12 11
10 9
RSTB5 22 R211 R215
8 7
RSTB4 22 R212 R216
6 5
RSTB3 22 R213 R217
4
3
RSTB2 22 R214 R218
2 1
RF UNIT
J251
CIV MMZ1005A152ET EP251
30 29
CIVE MMZ1005A152ET EP252 EP264
28 27
METAV MMZ1005A152ET EP253 EP265
26 25
METBV MMZ1005A152ET EP254 EP266
24 23
EPAD1L MMZ1005A152ET EP255 EP267
22 21
EPAD2L MMZ1005A152ET EP256 EP268
20 19
18 17
16 15
ACC5V MMZ1005A152ET EP257 EP269
14 13
MMZ1005A152ET
KEYI EP258 EP270
12
11
TRVI 220 R259 R271
10 9
BANDV MMZ1005A152ET EP260 R272
8 7
RTKI 220 R261 EP273
6 5
AMOD MMZ1005A152ET EP262 R274
4 3
AAF MMZ1005A152ET EP263 R275
2 1
RF UNIT
Q102
LDTC114EE
IC401
TPWRL_ 1 20
VrefL GND
SWRL_ DID1V 2 19 FID2V
Ao3 Ao2
IREFV DID2V 3 18 FID1V
Ao4 Ao1
4 17
IMPI PDIDV
Ao5 DI
5 16
PHASEI IREFV
Ao6 CLK
TSTB1 POCV 6 15
Ao7 LD
TSTB3 DRIV 7 14
Ao8 Do
TDAT ICCV 8 13
Ao9 Ao12
TOE 9 12 BANDV
Ao10 Ao11
10 11
VrefU Vcc
R2A20169SA
R401
ACC5V
BANDV 0
THML
PDIDL FANI
Table1
DID1V
A: THML B C D
DID2V
PWRS
0.4 V 0 V 0 V 0 V
PDIDV EPAD2L
PFIDL
0.5 V 1.0 V 2.9 V 7.0 V
PVDL
0.8 V 1.4 V 3.8 V 8.0 V
KEY
1.1 V 1.8 V 4.8 V 9.0 V
START
1.8 V 2.2 V 6.1 V 10.3 V
Table1: D
J451
R458
FAN1
1
FANG
2 1
MF1
C457
R460 2.2
0.01
R453
1.5M
6
R452
FANI 7
5
10K
IC1021
NJM2904CRB1
22
MDAT
22
MCK
22 DRESL
22 RSTB1
J601
10
9
8
7
6
DPGV 5
MAIN UNIT
AAF 4
(4/11)
AMOD 3
2
1
CIVE MAIN UNIT
CIV (8/11) DIGISEL-B UNIT
J611
10
MMZ1005A152ET DPGV
9
MMZ1005A152ET DSELADJ MAIN UNIT
DSELADJ 8
MMZ1005A152ET ALC (10/11)
7
MMZ1005A152ET DRIVE
6
MMZ1005A152ET TRVTS
5
4
3
MMZ1005A152ET RXS
2
MMZ1005A152ET
T8V
1
100 EXRL1S
100 EXRL2S
DIGISEL-A UNIT
ALC MAIN UNIT
MMZ1005A152ET EALC
EALC (3/11)
220 TRAS
220 SENI
J602
EP603
3
EP604
2
1
DIGISEL-B UNIT
10-4
LDTC114EE Q421
DRESL
MDAT IC411 REFLP
1 16
MCK MSTB
STR V+
DSTB MDAT 2 15
D OE
MCK 3 14 ANTS
CLK Q5
SPONBS 4 13 AMS
Q1 Q6
SPONAS 5 12 NASBS
Q2 Q7
PHONS 6 11 PW2FBS
Q3 Q8
ISPBS 7 10
Q4 Q'S
8 9 FORLP
GND QS
MC74HC4094ADTR2G
D501 D502
PVDL
LRB706F LRB706F
IC501
R501
1 16
Y0 VDD
2 15 MP1YL
PDIDL
1K Y2 X2
3 14
EPAD1L
Y X1
4 13 MP1XL
Y3 X
R502
5 12 THML
Y1 X0
6 11 1K
INH X3
7 10 MPSA
VEE A
8 9 MPSB
VSS B
PFIDL
TC74HC4052AF
Table1: A
DSA700400
Q451
R459
8
1 C492
V+ IC1021
GND NJM2904CRB1
0.1
4
R492
Table1: B
R462 82K
L2SC4081 R497
1
39K
Q452
2
R461 100 IC491
1 Q491
R463 NJM2904CRB1
L2SC4081
3
10K IC1021
D1021
R456 NJM2904CRB1 10K
7
27K
Table1: C
DZ2J047M
TX: 2.5 V
IC491
RX: 0 V
NJM2904CRB1
MAIN UNIT
(10/11) MAIN UNIT
R601 100 J341 (4/11)
DSRES
100
R602 MICI
DSCLB 1 MICI
R603 100 MICE
DSDAB 2 MICE
R604 100
DSDAT
R605 100
DISPLAY UNIT
DSCK
R606 100
(1/2)
DSTBB
EP601 MPZ1608S221A
DSONBH
EP602 MPZ1608S221A
DSAPBH
MAIN UNIT
(4/11)
J331
AFO
1 AFO
AFE
AFE
2
R611 100 PHOL
3 PHOL
R612 100 PHE
DSCLA 4 PHE
R613 100 PHOR
DSDAA 5 PHOR
R614 100
6
R615 100
R616 100
DISPLAY UNIT
DSTBA
EP611 MPZ1608S221A (1/2)
DSONAH
EP612 MPZ1608S221A
DSAPAH
J612
MPZ1608S601A +14V EP613 MPZ1608S601A +14V
3
+3R3V +3R3V
MPZ1608S601A EP614 MPZ1608S601A
2
1
DIGISEL-A UNIT
DISPLAY UNIT
(2/2)
R421
D423
4.7K
R422 R428
47K 68K
2
IC421
D421 R429
1
LRB706F
R423
3 8
D424
100
L1SS400
4.7K V+
NJM2904CRB1
R424
GND
15K 4
CP421
SHORT1005 LRB706F
6 IC421 REFL
D422 R430
7 FORL
R426
5
47
L1SS400
10K
R427 NJM2904CRB1
18K
D425
D427
LRB706F
2 IC431 D426
R433
1
R431
3
LRB706F
1K
47K
NJM2904CRB1
LRB706F
R437
VDL
6 IC431 1K DIDL
R434
7 FIDL
R432
5
1K
47K
NJM2904CRB1
J321
EP321 MPZ2012S331A
GND
1
R321 0
2 USB1_HP
2 R322 0
3 USB1_HM
EP322 MPZ2012S331A
4 USB1_5V
R494 MAIN UNIT
3
EP323 MPZ2012S331A
5 GND
(5/11)
R323 0
USB2_HP
47K 6
R324 0
USB2_HM
7
8 EP324 MPZ2012S331A
USB2_5V
8
6 V+
9
GND
5 4
USB UNIT
J301
SD_D2 R308 27 R307 SD_D3 SD_WP
14 13
27
SD_CMD R306 27 SD_CD
12 11
SD3R3V EP301 MPZ1608S601A R305 SD_CLK SD_D0
10 9
SD_CD R302 100 R304 27 SD_D0 SD_D1
8 7
SD_D1 R303 27 27 SD_D2
6 5
SD_WP R301 100 SD_D3
4 3
SD_CLK
2 1
SD_CMD
SD UNIT
J361
30 29
28 27
26 25
J351
24 23
LK0M
22
1 LK0M 21
LK0P
2 LK0P 20 19
LK1M
3 LK1M 18 17
LK1P
4 LK1P 16 15
LK2M MAIN UNIT
5 LK2M 14 13
LK2P (7/11) LRXD 100 R371
6 LK2P 12 11
CLKM
7 CLKM 10 9
CLKP
PWRK 100 R372
8 8 7
CLKP
LCD_ON FSENI 100 R373
9 6 5
LCD_ON
10 4
EP351 3
11 2 1
MPZ1608S601A
12
13
DISPLAY UNIT (1/2)
* Refer to the PARTS LIST for the value and name of component.
+14V
+8V
+5V
+3R3V
MAIN UNIT
-12V
(2/11)
H3R3V
HV
+3R3TU
D451 D452
LRB706F LRB706F
TPWRL_ R441 1K
TPWRL
SWRL_ R442 1K
SWRL
MAIN UNIT
(5/11)
IMPI
PHASEI
IMPI
PHASEI
TDAT
TDAT
TCLK
TCLK
TOE
TOE
TSTB1
TSTB1
TSTB2
TSTB2
TSTB3
TSTB3
TSTB4
TSTB4
MDAT
MDAT
MCK
MCK
MAIN UNIT
MSTB
MSTB (7/11)
DSTB
DSTB
PSTB
PSTB
RSTB1
RSTB1
RSTB2
RSTB2
RSTB3
RSTB3
RSTB4
RSTB4
RSTB5
RSTB5
DRESL
DRESL
START
START MAIN UNIT
KEY
KEY (8/11)
MAIN UNIT
8 PW2FBS
PW2FBS
(9/11)
V+
GND
4 SPONAS
SPONAS
SPONBS
SPONBS
MAIN UNIT
PHONS
PHONS
(4/11)
ISPBS
ISPBS
AMS
NASBS
AMS
NASBS
REFLP
MAIN UNIT
REFLP
FORLP
(3/11)
FORLP
PFIDL
PFIDL
POCV
POCV
ICCV
ICCV
KEYI
KEYI
RTKI
RTKI
TRVI
TRVI
TRVTS
TRVTS
EXRL1S
EXRL1S
EXRL2S
EXRL2S
METAV
METAV
METBV
METBV
SENI MAIN UNIT
SENI
TRAS (7/11)
TRAS
MP1XL
MP1XL
MP1YL
MP1YL
MPSA
MPSA
MPSB
MPSB
REFL
REFL
FORL
FORL
FANV
FANV
DIDL
DIDL
MAIN UNIT FIDL
FIDL
(5/11) VDL
VDL
TCALS MAIN UNIT
TCALS
SD_WP
(5/11)
TXS
TXS
SD_CD
RXS
RXS
SD_D0
PWRS
SD_D1
SD_D2
SD_D3
SD_CLK
SD_CMD
SD3R3V
EP361 MPZ1608S601A +8V
+8V
EP362 MPZ1608S601A HV
MAIN UNIT
EP363 MPZ1608S601A USA5V
USA5V (2/11)
EP364 MPZ1608S601A F3R3V
F3R3V
LTXD
LTXD
LRXD
LRXD
FRES
FRES
MAIN UNIT
PWRK
PWRK (5/11)
FSENI
FSENI
FTRAS
FTRAS
R374 100 LTXD
R375 100 FRES
R376 100 FTRAS