Icom IC-E7 Service Manual page 30

SECTION 10 BLOCK DIAGRAM
+10V Q8,Q11:2SC5006
D5:1SV286
D9:1SV308
LOOP LV3
FIL
430M
Q56:2SC4617
Q54:2SK880
LV2
144M
Q59:UNR9113J
IC18:ADF4110BCPZ Q10,Q13
PUL Q60:XP1110 +10V
:2SC5006
IC19:TC7S66FU
D7,D8
IC22:TC7W66FU
:HVD328C
D11:1SV308
LV1
PLL LOOP
SW
IC FIL
50M
Q13:2SC4617
Q11:2SK880
FIN
2nd Lo
×3/×1
15.3MHz
REF
FSET
AMP
X2:CR-807
Q29:2SC4617
J 4
D51:1SV308
D52:1SV308
Q48:2SJ144 Q41:UNR9213J
XMOD
MOD REVERSE DTCS
VOL AMP FIL
IC8:LMV324IPW-a
DTCSET
DTCS
IC8:LMV324IPW-d
D6:MA8051
MC1
MIC SPLT
IDC
AMP FIL
PTT
IC8:LMV324IPW-c IC8:LMV324IPW-b
BEEP
SP1
CLONE
BUFFER
IC12:TC7W04FU
Q30:XP4601
D11:1SS400
Q5:UNR9213J
CR-813
X1
PTT CLOCK
DET SHIFT
7.325MHz
Q14:2SA1832
LCD
HEAT
SENS
TEMP
CPU
ENC
DUD
UP
IC4:M30220FCRP
E
DCK
DN
INITIAL
KEY
MATRIX
LIGHT
LED
LEDR LEDG
KEY LCD
TX/RX
BACK BACK
LED
LIGHT
LIGHT
Q2:2SC4617 Q22:2SC4617 Q49:XP4214
DS2-DS5 DS8:BRPY1211C
:SML-512MW
VCO BOARD
D12:1SV308 Q18:2SC5508 D16:1SV308
D14,D15:MA2S077 D17:1SV308
Q19:2SC5108 D13:1SV308
LO
SW SW
BUFF DOUBLER
AMP
Q14:2SC5108
Q9,Q12 Q2:2SC5108
:2SC5006
LO
D6:1SV286 SW
AMP
D10:1SV308 CTRL Q15:UNR9210J
Q16:UNR9210J
50_3V 430_3V Q17:XP1115
144_3V
Q5:UNR9210J
D2,D3,D4:
MA2S077
Q1:XP4601
VCO VCO
Q3:XP1114
SHIFT REG
Q4:UNR9114J
CTRL
CTRL
D1,D18:1SS400
+3S VCC
WFM
2ndLo=45.9MHz(FM/AM)
2ndLo=15.3MHz(WFM)
CTCOUT
NOISE
RSSI
Q37:2SC4213 Q34:2SJ144
AM
TCON
MOD
MMUTE
VOL
CTONE
CTCSS
R3V RTONE
FIL
MODSET
IC5:LM2904PWR
Q8:UNR9115J
BEEP AFVCC
AFFIL
Q12:2SC4617
AF AF
AF VR AF FIL
AMP AMP
IC9:NJM2070M IC7:SM6451B Q10:XP6501
Q28:2SJ144
D5:1SS400
Explanatory notes
IC2:R3112N291A
EEPROM RESET
CPU3V
IC1:HN58X24256FPIE
10 - 1
PA BOARD
D1:HVC132
D18:DAN235E
LEVEL PRE
LO TX/RX RFI
DRIVE
SW CHANGE
Q1:2SC5006
UTX3 FUNC TX3
PTT
FUNC
PSET
FM/AM_46.35 MHz
FLo=44.85- 122.345 MHz
FLo=101.655- 235.145 MHz
XTAL
FLo=253.65- 485.145 MHz
BPF FLo=514.85- 985.140 MHz
D14:DAN235E D17:DAN235E
F I 3 : F L - 3 9 3
SW SW
WFM_14.85 MHz
IC16
µPC2757TB
CERAMIC
BPF
FI2:SFECS14M8DA0001
Q52:UNR9213J
WFM WFM
Q51:XP1114
I F WFM/FM
WFM/FM
AMP SW SW
Q9:2SC5006 Q17:UNR9213J
D13:MA2S111 Q16:XP1114
X3
CDBC450CX24
FM IF IC
IC15:TA31136FNG
SW
IC14:TC4S66F
FI1:ELFY450E
AGC
CERAMIC
BPF
D10:DAN235E D12:DAN235E
AM
SW SW
DET
Q19:XP6501
Q20:XP6501
LPF
D9:MA2S728
Q18:UNR9115J
DTCSET
AFVCC
VOLTAGE LINE
AF
VCC
REG
TX LINE
Q46:XP1501
RX LINE
Q47:2SA1576
COMMON LINE
DATA BUS LINE
Q2:2SC5998 Q44:UNR9213J
D2:MA6S121 D34:1SV308 D41:1SV308
UHF_Tx(400-479) MHz
D37:1SV308 D45:1SV308
RFO
ANT
DRIVE
AMP HPF
LPF
AMP SW
Q3:RQA003
D35:1SV308
DS1:SML512MW D38:1SV308
BACK ANT
LPF LPF
SW
LIGHT
VHF_Tx(136-174) MHz
PSET LED VCC
IC17:LMV321IDCK
APC Q31:XP6401
CTRL
Q50:UNR9215J
PSET
0.5-30 MHz
LPF
Q38:2SC5006
D29:DAN222 D30:DAN235E D43:DAN235E
RF
SW
SW SW
AMP
D39:HVD328C
D16:1SV308
BPF
30-76 MHz
D28:HVD328C
D31:HVD328C
D27:MA2S077
D21:1SV308 D36:MA2S077
D53:1SV308
RF
SW BPF LPF
AMP
Q42:FH102
SHIFT
D26:HVC375B
D22:1SV308 D32:HVC375B D55:HVC350B
RF
SW BPF BPF
AMP
Q43:FH102
D33:HVD328C
D23:1SV308
D40:HVD328C
RF RF
BPF
SW
AMP AMP
Q39:2SC5277 Q45:2SC5277
MODSET
FSET
AGC
Q32:XP4601 Q35:XP1113
IC13:BH2220FVM
TUNE 10V R3V
D/A SW
CTRL
+10V R3V +3S VTX3 UTX3
Q3:XP1501
Q6:2SA1588 Q4:2SA1588
+10V
T3
+3V R3V +3V +3S
DC-DC
REG REG REG
REG
Q7:2SC4617
Q61:2SC4617
Q62:2SC4617 Q24:UNR9211J
D3,D4:RB876W Q25:XP1501
X4:CSTCR6M75G53 Q26:2SA1576
6.73 MHz
Q27:XP1113
ANT
HPF
HPF LPF LPF
HPF
BC
RF
0.5- 76 MHz
D44:1SV308
LPF
ATT
BC
HF
76-300 MHz VHF
ATT
UHF
300-500 MHz
ATT
800
500-999 MHz
D46,54:1SV308
SW
ATT
Q36:XP1113 Q40:XP1113
R3V R3V
SW SW
CPU3V +3V
IC10:R1111N321B
IC11:R1111N321B
Q1:UNR9113J
CPU3 +3V
VCC +
REG
REG
BATT
-