Icom IC-R2 Schematics

COMMON
Q509: DTA144EE
RF UNIT
0.495-1.8995MHz
D68: 1SV172
LPF
0.495-29.995MHz
D69: MA2S077
D13: 1SV308 D73: 1SV308 D75: 1SV308
BANDSW
15-29.995MHz
1.9-14.995MHz
D64: MA2S077 D67: MA2S077 D70: MA2S077
D63: MA2S077 D65: MA2S077 D66: MA2S077
B1_3V
B2_3V B3_3V
RXBAND
RXBAND
SW
SW
Q505: 2SC4215
Q506: DTA144EE
Q504: XP1113
Q40: 2SC5231
800M3V
G3V
VHF3V
UHF3V
300M3V
RXBAND
RXBAND
RXBAND
Q501: DTA144EE
Q502: XP1113
Q503: XP1113
B1
B2 B3
HFC
RXBAND
SW
IC4: UPC2746T
Q29: DTC144EE
300MC
UHFC VHFC
GC 380MC
SW
SW
SW
SHIFT
Q28: 2SC5006 Q30: 2SC5006 D54: 1SV286
1stVCO
267.1950-549.8475MHz
1stVCO
SHIFT
RX
DATA
AFREG
IC15: TA31056F Q24: 2SA1588
Q36: 2SC4081
Q23: 2SA1588 Q41: 2SC4617
VR IC
BUFF
AF
AMP
IC14: M5222FP
AFON
SW
19.200 MHz
PDAUL,PCK_IS,PSTB
IC3: UPD3140GS
Q2: 2SK880
Q45: 2SC4117
X1: CR593
D18: HVU350
VCO
Q6: FH102 D17: 1SV305
Q37: 2SC4617 D53: MA2S111
Q43: 2SC5231
RXLOSW
LOOP
FIL
LFP
BPF LPF
AM
DET
CERAMIC
BPF
BPF
IF
AMP
RX SW
RX
SW
D52: 1SV308 D50: 1SV308 D47: 1SV308
2nd
0.495-282.995MHz
PASS
BANDSW
RXLOSW
283.00-
D42: MA2S077 D43: MA2S077 D44: MA2S077
T R A C
D25: 1SV308 D29: 1SV308 D72: 1SV308
118-175MHz
D1: HVU350 D2: HVU350
Q35: UPA805T
330-470MHz
D4: HVU350 D5: HVU350
Q14: FH102
330-469.995MHz
118-174.995MHz
BANDSW
D3: 1SV308 D11: 1SV308 D74: 1SV308
SHIFT
Q24: 2SC5277
Q36: 2SC5231
Q26: 2SC5277
BANDSW
30-117.995MHz 175-329.995MHz
833-1309.995MHz
470-832.995MHz
D32: 1SV308 D34: 1SV308
LOSW CONT
x2
x2
Q33: XP1113
+3S
Q31a: FH102
494.195MHz
833.000-
1066.695MHz
Q31b: FH102
1066.700-1309.995MHz
494.200-832.995MHz
BANDSW
IC11: UPC2746T
D36: 1SV308 D71: 1SV308
IC1: UPC2757T
FI1: EFCH266MKQP1
266.7MHz
FI3: FL-293
RIPPLE
FIL
IC10: UPC2757T
Q5: 2SC5231
IC2: TA31136FN
D58: MA2S077 D59: MA2S077
D60: MA2S077 D61: MA2S077
IF IC
DEFIL
R3V
D55: MA132WK
Q1: XP6501
Q4: XP6501
Q44: XP4312
Q46: XP4312
D21: MA6S718
D20: MA6S718
D57: MA728
AMFMSW
Q30: XP6501
WNSW
BPF
PRE AMP
D17: MA2S111
D16: MA132WK Q18: DTA144EE
Q37: 2SJ144
Q31: 2SC4081
AM
V R C
DS8: DLC-7995
MUTE
AMUTE
LIGHT
LED
DS2: CL-200YG-C-TS
LIGHT
SWITCH
LIGHT
RTONE
SQL
WFM
X1: CR613
Q38a: 2SC4081
RX
TONE
FIL
NOISE
DET
WSW
WFIL
Q17: 2SJ144
IC9: NJM2904V Q8: DTA144EE
SDET
WFMS
D56: MA132WK
FI2: CFWM450E
IC1: HD74LVOO Q35: 2SA1588
+3V
CONT
POWERC
LOGIC UNIT
Q6: 2SA1588
+3V
+3S
R3V
+3S CONT
R3V CONT
RX
+3.2
REG
+3SC
Q4: 2SA1588
Q3: 2SA1588 Q39: XP6501
IC4: S-81332HG
RESET
IC3: XC62FP3002MR
IC5: S-80725SL D14: MA2S111 Q13: DTC114EE
B A T T
R E S E T
W
TCON
CLSW
E X T
Q11b: XP4213 D1: MA2S111
CPU
4.935MHz
7 KEY
IC11: M38267M8L
EEPROM
D6: MA2S111 D7: MA2S111 D8: MA2S111 D9: MA2S111 D10: MA2S111 D12: MA2S111 D13: MA2S111 Q11a: XP4213
IC2: X25650S8I-2.5 Q40: 2SA1588
BATT
CHECK
DC-DC
IC10: X6371A351PR D4: MA729
RIPPLE
FIL
Q26: 2SC4081
D3: 1SS372 D15: 1SS372 D5: 1SS372
X4
BATT
VP
ATT
LPF
BPF
BPF
BPF
BPF
LPF
RF
AMP
RF
AMP
BPF
RF
AMP
RF
AMP
RF
AMP
RF
AMP
ANT SW
BANDSW
LPF
RF
AMP
BPF
HPF
BUFF
AMP
BUFF
PLL
IC
LOOP
FIL
+3
REG
INITIAL MATRIX
HF3V
LCD
F M
• LOGIC UNIT
1
COM0
COM1
COM2
COM3
SEG3
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG2
SEG7
SEG6
SEG5
SEG4
SEG1
SEG0
23456789101112131415161718192021222324252627282930313233343536
DS8 DLC-7995
BATRY
B2
B3
140
39383736353433323130292827262524232221
234567891011121314151617181920
J1 AXK5S40340P
AM
Q26 2SC4081 S
C107
0.22
VP
+3S
+3V R3V
C35
0.001
R82 47 k
LAMPS
R5 10
DS2 CL-200YG-C-TS
Q3 2SA1588 GR
C41
0.1
Q38 2SC4081 S
KSQL
R172 10 k
S8 JPM1990-2013R
R94 10 k
LIGHT
I1 I2
PDAUL
ECK_I3 PCK_IS
PSTB
C108
0.001
R184 1 k
DBL2
300MC
SHIFT
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
75
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
HFC
VHFC
UHFC
800MC
GC
7473727170696867666564636261605958575655545352
51
IC11 M38267M8L-218GP [USA] only M38267M8L-222GP other
K1
K2
BAND
V/M
MODE
C51
0.001
C42
0.1
S4
S6
S5
R50 120 k
R49 330 k
R51 120 k
S2
R48 120 k
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
UP
DN
R32 47 k
R33 47 k
R34 47 k
R35 10 k
S9 TP90N00E20-16F-1995
S3
R18 220 k
C52
0.001
C114
0.1
C106
0.1
COM0
COM1
COM2
COM3
SEG31
SEG30
SEG29
SEG28
LIGHT
POWERC
RESET
+3SC
B1
KSQL
B3
B2
R3V
+3S
Q4 2SA1588 GR
R1
4.7 k
R3 47 k
R100 10 k
X1 CR-613
C8 10 P
C9 10 P
ECS EDA
C123
0.1
+3V
+3SC
R87 220 k
R88 1 M
C40
0.001
Q6 2SA1588 GR
R68
4.7 k
R89 100 k
1
456
Q39 XP6501 AB
R173
2.2 k
R175
5.6 k
R8 33 k
R174
3.3 k
R9 47 k
Q13 DTC114EE
C39
0.1
D14 MA2S111
R67 47 k
C4 33
C96
4.7
POWERC
RESET
IC4 S-81332HG-KC
1
2
3
4
5
IC5 S-80725SL-AN
C98 33
L1 CD54-101KC
D15 1SS372
D3 1SS372
D5 1SS372
C94 1
C17 1
C6 1
C36 1
C19 1
C33 1
C37
0.001
C48 1
D4 MA729
IC3 XC62FP3002MR
C5
0.001 C24 10
C15 47
EX
1
G
3
O
2
IC10 XC6371A351PR
C119 1
C120 1
C121 1
C16
0.001 C116
0.1
C18
3.3
BATRY
R102 100 k
R103 100 k
DC-DC CONV
BATT
R186 100 k
R25 100 k
D1 MA2S111
TCON
R26 33 k
POWER
KFUNC
POWER
DUD DCK KTS
6
5
4
2
Q11 XP4213
S7
R79 100 k
R78 100 k
R23 15 k
Q40 2SA1588 GR
R185
3.3 k
S1
S10 JPM1990-2013R
R37 470
KSO
D6 MA2S111
D7 MA2S111
D8 MA2S111
R52 15 k
R86 100 k
R77 100 k
ECS
CS
1
SO
2
WP
3
VSS
4
SI
5
SCK
6
HOLD
7
VCC
8
IC2 X25650S8I-2.5
D10 MA2S111
KS1
R41 82 k
R42 82 k
R91 470 k
R12 100K
R92 470 k
1 2 3 4
6
7
8
IC9 NJM2904V
R14 120 k
C13
0.1
C14
0.0015
C44
0.1
C3
0.1
D9 MA2S111
R90 1 M
C43
0.001
C1 100 P
D13 MA2S111
R24 15 k
ECS EDA
I1 I2 ECK_I3 PCK_IS
PSTB
SDET
R39 470 k
Q8 DTA144EE
R38 1 M
R40 82 k
C11
0.1
C12
0.039
BEEP
OUT1
1
IN1
2
COM
3
GND4VC
5
IN2
6
OUT2
7
VCC
8
IC14 M5222FP
C63
0.1
BATRY
Q18 DTA144EE
R117 470 k
R118 15 k
D16 MA132WK
C74
0.1
C68
0.018
R130 15 k
C65
0.1
R116 47 k
R136 22 k
C67
0.1
R120 180 k
C66
0.1 R121 470 k
R122 180 k
C93
0.018
R119 180 k
R132 10 k
AM
AMS
WFMS
R133 180 k
D17 MA2S111
C86 1
C71
0.0022
C73
0.1
R128 10
R125 15 k
R141 180 k
R149
2.2 k
R127 18 k
R126 18 k
C69
0.0047
C70
0.0047
R123 120 k
R129 47 k
C72
0.0047
R124 10 k
Q17 2SJ144 Y
C77
0.1 R109
1 M
R153 47 k
C76
0.1
C81
0.1
R140 180 k
Q31 2SC4081 S
456
321
Q30 XP6501 AB
R150 820
R108 1 M
C82
0.1
C91
0.1
R112 33 k
R161
8.2 k
C58
0.1
C97
0.1
C90
0.0047
R165 15 k
R159 33 k
Q37 2SJ144 Y
R113 82 k
R164 10 k
C80
0.1
C92
0.1
R137 47 k
C78
0.047
R157 120 k
C79 100 P
C88
4.7
C89
4.7
R166 220 k
IN
1
VREF
2
NF
3
COMP
4
GND
5
OUT
6
TB
7
VCC
8
IC15 TA31056F
C87 1
R138
5.6 k
R156 33 k
C53
0.1
Q24 2SA1588 GR
C60 47
Q23 2SA1588 GR
C61 220
Q36 2SC4081 S
R114
4.7 k
Q41 2SC4617 S
C118
0.47 R179 220
C101
0.001
7
6
43215
8
9
1112131410
IC1 HD74LV00
R182 100 k
R183 10 k
C103
0.1
C100
0.1
Q35 2SA1588 GR
R180 470 k
R181 12 k
J2 HSJ1594-010050
R3V
SQL
C102 100 P
SDET
C57
0.001
WFM
GND
WFM
AMS
R3V
FSET
+3V
GND
PSTB
PCK_IS
PDAULVP+3S
GNDB1HFC
SHIFT
ATT
DBL1
DBL2
GND
GND
SDET
RSSI
WFMS
GNDGC300MC
800MC
GND
GND
UHFC
VHFC
TRACB3B2
GND
BATRY
BATRY
ADJ
ATTK2K1
AMUTE
BATT
RSSI
RTONE
TRAC
FSET
TCON
SQL
KFUNC
KTS
VRC
DCKAMWFM
CLOUT
CLIN
BEEP
DUD
POWER
AFON
DBL1
12345678910111213141516171819202122232425
NC
NC
OUT
VDD
VSS
3
5
RTONE
3
0
G
I
0
G
I
VRC
BATRY
AFON
UP DN
E
2
+
+
+
+
+
+
+
+
+
+
1
W2
W3
W5
SP1
2.34
UP: 0 DN: 2.04
MODE: 0
V/H: 2.31
BAND: 1.572
3.01
LIGHT ON: 2.82
2.49
3.13
0
1.34
3.16
1.94
0.94
1.51
AF ON: 2.34
AF ON: 0.663
3.0
13.69
13.03
13.57
3.52
3.01
3.21
2.54
3.2
1.89
2.84
AM: 0 NFM: 3.01
OTHERS: 3.01
NFM: 1.37
AM: 1.44
AM: 1.1 NFM: 1.06
2.39
MUE: 3.0
AM,NFM: 1.31
AM,NFM: 1.67
0.93
3.12
2.42
WFM: 0
1.83
2.97
WFM: 0
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