Icom IC-E7 Service Manual page 32

MAIN UNIT (2)
BUS LINE1
+3V
VCC
VCC
C220 D34 C255 L26
22p 1SV308 0.001 21n
C226
22p
R262
220
D35 L29
L12 C266 L31
12n 1SV308 0.001 54n 60n
C227
0.001
R263 C514 C516
4p 1p
220
R3V
k
R66
270
R379 0
11 5
CD RFINA
12 4
CLK RFINB
13 3
DATA AGND
14 2
LE AGND
15 1
MUXOUT CPGND
ah
IC18
PSTB
ADF4110BCPZ
PDA
PCK
C160
0.01
FSET
R181
270k X2
R370 C163
CR-807
680 0.001
C297
R182 4 3
4.7 VCC OUT
15k
ac 1 2
VCON GND
C551
100p
R3V
C97 0.001
IC8
LMV324IPW
MAIN
UNIT
ad 1 14
(1) ab 2 - + + - 13
3 12
Q14
4 11
2SA1832
5 10
aa 6 9
- + + -
7 8
R272
180k
R250 R256 R261 C235 R267 C246
12k 10k 4.7k 1 5.6k 270p
R278 C254
270k 0.01
R327 3.9k
C501 R331
Q60 XP1110 C485 0.22 ECPU1C105MA5 22k
ai 1 5
R330
al 2
1k
Q54
aj 3 4 2SK880
Q59 Q56
UNR9113J 2SC4617
ak
C533 220p
am
af
R68 3.9k
ag IC22
TC7W66FU
ah
VCC
+3S
+3S
BUS LINE2
11 - 2
L30 C302 C310
17n 15p 15p
Q44
C515
UNR9213J
1p R220 10k
IC16
µPC2757TB
6 1
IFO RFI
5 2
VCC GND
4 3
PS LO
C287 C293 L39
22p 22p 80n
R81
3.9k
R72
C500
4.7k
ECPU1C684MA5
C72
Q13 IC7
0.1
2SC4617 SM6451B
Q11
1 16
2SK880 RSTN MDT
2 15
ADRS1 MCK
R74 3 14
ADRS2 MLEN
6.8k 4 13
DVDD DVSS
5 12
LOUT ROUT
6 11
LIN RIN
7 10
R3V AVDD AVSS
8 9
VRL VRR
R358 10k
WFM
C507
0.01
D51 C87 R321
0.1
1SV308 27k
C84 0.1 IC9
C177 NJM2070M
12p
1 8
C172
12p
EP9
2 7
Q29
2SC4617 R85 +
120
3 - 6
4 5
R314
15k
PA BOARD
Q2
2SC5998
CP6 RFI CP4 RFI
L6
36n
CP3 GND CP1
EP9
CP4 UTX3 CP2 UTX3 C16 18p
EP8
CP5 TX3 CP3 TX3
EP7
CP7 HV CP5 VCC C21 33p
CP12 RFO CP10 RFO
BEEP
CP9 GND CP7
EP6
CP8 PSET CP6 PSET
EP5 Q3
CP14 LED CP11 LIGHT
RQA0003
EP4
FUNC CP10 FUNC CP8 FUNC
EP3
CP11 PTT CP9 PTT
FUNC
S2
S1
SKQGAD
SKQGAD
J6
FIN
LV1
GND
LV2
EP7
VSHIFT VSHIFT
LV2
EP8
+3S
MOD MOD
DBL2 DBL2
VCC
Explanatory notes
DBL1 DBL1
V1C V1C
GND
V2C V2C
LO
V3C V3C
VCC
L42
17.5n
D16
C199
1SV308
0.1 D30
Q38 DAN235E
C221
2SC5006
0.1
C238 L21
0.1 0.68µ
D29
DAN222
D25 C228 7p
MA6S718
C208 33p
D27
D24 R254 R258
MA2S077
1SS400 100k 100k
SHIFT
D22
Q47 C204 C215 C222
1SV308
2SA1576 0.001
2p 0.5p
R299 1k
D23 C205
22p Q39
1SV308
2SC5277
C229
2p
C93 150
C91 0.047
S3V
C1
Q3 XP1114
0.001
RFI
V3C 1 5 430_3V
L11 39n
EP1
2
V2C 3 4
R2
6.8k
Q1
Q4
C15
2SC5006
0.001 UNR9114J
L2
V1C
33n
C12
0.001
C6 33p
R11
22
FIN
D2
MA6S121 C11 R4
L8
0.001 33k
60n
LV2
Q2
2SC5108
R8
VCC R15 1.2k 1k
VCC
R10 100k
J1
LV1
FIN D1 1SS400
LV2
LV1
GND
LV3
VSHIFT
MOD
+3S
VCC
DBL2
V1C
R1
DBL1 56k
+3S
V2C
VOLTAGE LINE
GND
50_3V
V3C
TX LINE S3V
LO
DBL2
RX LINE
COMMON LINE
D43 DAN235E
L20 0.22µ C267 C281 L32 L34
0.1 0.1 0.15µ 0.12µ
C242 47p
C294
10p
C256
0.1
D39
HVD328C
Q42 FH102-E L44 C295 C303
0.1µ 0.01 0.01
1 6
2 5
C243
0.001
3 4
Q43
C244 R375 L36 C522 C304
FH102-E
0 33n 9p 0.001
0.001
1 6
2 5
3 4
R360
0
D54 C311
C245 0.5p C261 3p Q45 C305 3p 1SV308 2p
2SC5277
C288 L37
0.001 12n
R308 1k
D46 1SV308
R3V
LV3
430_3V
L1 L4
EP1 LQW18AN8N2D00 LQW18AN8N2D00
C51 1.5p C66 D9
Q5
0.5p 1SV308
UNR9210J D2 R18 C60
MA2S077 3.3k
0.001
Q11
R21
2SC5006
100
Q8
2SC5006
C39 0.001 C45
0.001
C16 1p
144_3V 144_3V
L2 L5 C53
EP2 LQW18AN56NG00 LQW1608A47NG00 1.5p
C67
1p
C61
R15 R19
D3 MA2S077
100k 5.6k 0.001
Q12
2SC5006
R22 C64
Q9 150 0.001
2SC5006
144_3V
C41 0.01
LO
C95
0.001
DBL1
50_3V
L3
C55
EP3 LQW18ANR15G00D 7p
L6
C68 D11
LQW18AN68NG00D 1p 1SV308
R20
C62
5.6k
0.01
Q13
D4 2SC5006
MA2S077 R23 100
C79
0.001
Q10
2SC5006
C75 0.001
C74 0.001
S3V
Q16
UNR9210J
b
ANT
CP13
CHASSIS
J1
Q35
XP1113
BCC 1 5
2
HFC 3 4
Q36
XP1113
J5
VHFC 1 5
to CHASSIS
SP1
2
UHFC 3 4
Q40 J4
XP1113
800C 1 5
2
SP/MIC
ATT 3 4
MC1
EM-140
VCO BOARD
S3V
R36
100
C73
10p
Q14
2SC5108
Q19
2SC5108
R37 4.7k DBL3V
D12
1SV308
C83 C87 L9
2p 12n
2p
R38 C80
330 9p
Q18
L8
2SC5508
12n
Q15
D14 C85
UNR9210J
MA2S077 22p
C94
5p
D15
MA2S077
D13
D17 1SV308
1SV308
C84
0.001
Q17 XP1115
1 5
2
3 4 DBL3V