Logic Unit; Rf Unit; Block Diagram - Icom IC-R5 Service Manual

SECTION 10

BLOCK DIAGRAM

J1(CHASSIS)
SMA-R226

RF UNIT

VP
D68 1SV172
BAR ANT LEVEL
LIM TRAC
ANT TUNE CONV
D100 SVC347 Q513 XP4601
ANTSW
ATT ANT
ATT LPF
SW
D69 MA2S077
Q507 2SC5277 D76 MA2S077
Q508 XP4312
Q510 XP4312 D64 MA2S077
D70 MA2S077
D67 MA2S077
BAND BAND BAND RF
LPF BPF
AMP
SW SW SW
Q505
D73 1SV308 D66 MA2S077 2SC4215
D75 1SV308 D65 MA2S077
D13 1SV308 D63 MA2S077
D31 MA132WK
HPF
D2 HVU350B
D1 HVU350B
RF
BPF BPF
AMP
Q14 FH102
BAND RF BAND
BPF BPF
SW AMP SW
D3 1SV308 D72 1SV308
D5 HVU350B
Q35 PA805
D25 1SV308
D11 1SV308 D4 HVU350B
D29 1SV308
D74 1SV308
RF BAND
BPF
AMP SW
D32 1SV308
D34 1SV308
Q24 2SC5277
RF
BPF
AMP
Q36 2SC5231
RF BAND
BPF
AMP
SW
Q26 2SC5277 D71 1SV308
D36 1SV308
COMMON LINE
RX LINE
TX LINE
DATA BUS LINE
Q506 DTA144
HF3V
HFC
B1_3V RX RX
300M3V
B1C
SW SW
Q509
DTA144
B2C
B2_3V
UHF3V
RX
B3C
B3_3V SW
VHF3V
Q504
XP1113
G3V
800M3V
IC4 PC2746
BUFF
Q43 2SC5231
Q28 2SC5006
TRAC Q30 2SC5006
BUFF BUFF
D54 1SV286
Q40
2SC5231
LO LOOP
SW FIL
D42 MA2S077
D43 MA2S077
D44 MA2S077
D17 1SV305
Q6 FH102
+3S
RIPPLE
x 2A x 2B
FIL
D53 MA2S111
Q31 Q31
FH102 FH102
Q37
2SC4617
2nd Lo
LO
LPF
1st Lo 247.05MHz/286.35MHz
SW
D52 1SV308
266.8MHz
D50 1SV308
D47 1SV308
1099.695MHz
D59 MA2S077
FI1 EFCH266
IC11 PC2746 FI3 FL-293
D58 MA2S077
RF MODE XTAL
BPF
AMP SW BPF
IC1 PC2757 IC10 PC2757
2nd IF 19.65MHz
1st IF 266.7MHz
LPF
HV
J500 D502 RB551V
04-730A1-02BKA
BATTERY
10 - 1
R3V
RX 300MC
SW
Q501 DTA144
UHFC
RX
VHFC
SW
Q502 XP1113
GC
RX
800MC
SW
Q503 XP1113
Q29 DTC144
D46 MA2S077
SHIFT SHIFT
SW
Q45 2SC4117
Q2 2SK880
LOOP
FIL
IC3 PD3140
PLL 3rd Lo 19.2MHz
IC
FSET
X1 CR-593
D18 HVU350B
19.2MHz
Q1 XP6501
IF
AMP
IC2
D55 MA132WK
TA31136
MODE
D61 MA2S077
SW
D60 MA2S077
MODE IF CERAMIC
FM IF IC
SW AMP PFT
Q5 MODE
2SC4215 SW
3rd IF 450KHz
D56 MA132WK

LOGIC UNIT

+3CPU
D501 MA2S728
Q500 HAT1023R
IC103:R1111N321B IC3 R3112N281A
RESET
DC DC-DC +3.2
RESET
SW CONV REG
IC102 XC6371A351PR
D105 RB551V
D503 MA133
IC104 R1111N321B
D500 SB07-03C
+3.2
Q501 2SB1132
REG
Q103 2SA1588
PCON +3 +3V
CHRG
CTRL
Q102 2SA1588
Q101 XP6501
+3S
CHRG CHGC +3S
CTRL
CTRL
Q502 DTC144
Q104 2SA1588
+3SC R3V
R3V
CTRL
VRC
Q4 XP6501
AGC
DET
Q300
2SC4081
D301 MA132WK
AM MODE AF MODE PRE
AMP
DET SW FIL SW
Q301 D300 MA2S111
Q4 XP6501
XP6501
FM W AF
MODE
DET FIL SW
FI2 CFWM450
Q302
2SJ144
IC100 TC7W04
D103 1SS372
D102 1SS372
D101 1SS372
D100 1SS372
TONE
FIL
DC-DC
IC200
NJM2904
X1 CSTCR6M75G53
CLOCK
SHIFT
6.75MHz
CLS
CPU
IC1
M30220FCRP
Q2 DTC144
Q5 2SC4081
EP3 CV1071 D1 MA2S111
LCD LIGHT
LIGHT CLONE
LIGHT
SW SW
Q4 DTC144EE
D2 MA2S111
D3 MA8027
MATRIX
EEPROM
HV HVDET
HV
SENS
CLONE
IC2 CAT24WC256
VCC
AFON
AF Q450 XP1501
REG Q451 2SB1132
Q400
SP1(CHASSIS)
2SC4081
K036NA500-26A27
AF
BUFF
AMP
IC450 TA31056
Q452 2SA1588
IC400
VOL
M5222
AMUTE
AF
MUTE
Q350
2SJ144
Q100
2SC4081
VP
RIPPLE
FIL
Q1
DTC144
DS1 TTR5169
LCD
7KEY