Icom IC-R6 Service Manual page 32

LOGIC UNIT (2/2)
+3.3CPU
C128
47 MSVA
3 . 2 7 V
2SA1832
Q103
2 . 9 9 V
LOGIC3.3V +3V
IC104
1 5
VIN VOUT
2
R107 GND
3 4
CTRL NC
C121 470k
NJU7775F03
0.001
C126
0.001
C136
0.001
2 . 9 9 V
2SA1832
Q 104
TPS61025DRCR
3 . 3 3 V
IC102
1 1 10
EP18
C123 47k EN PGND
2 9
C127
R109 VOUT SW
0.001 3 8
0.001
FB PS
4 7
LBO LBI
5 6
GND VBAT
BLM18RK102SN
2SA1832
Q505
R405
C400
47k
0.1
2.90V
0.001
I C451
C507
1 16
RSTN MDT
2 15
ADRS1 MCK
3 14
ADRS2 MLEN
4 13
DVDD DVSS
5 12
C406
LOUT ROUT
6 11
LI N RIN
7 10
0.0047
AVDD AVSS
8 9
VRL VRR
SM6451B
R531
C520 C516
0.1 0.1
18k
Q 350
2SJ144
O N : 3 . 3 1 V
O F F : 0 . 0 0 V
6.00V
( E X T D C 4 . 5 V )
R532 R450
4.7k 180k
Q4
LDTC144EE
R515 470k
4 . 7 7 V
4.79V
L102 22U
L100
VCC
100U
C135 C132
C131
33 0.001
33
2 . 9 7 V
C200
0.001
O N : 0 . 0 5 V
O F F : 3 . 3 1 V
R206
56k
VIN
RTONE
VSC
R SSI
CTONE
AF-V
2 . 9 0 V
C301
0.1
1 . 3 4 V
R350
C352
0.1
4.7k
Q300
2SC4738
AF_FIL
Q 508
O N : 2 . 0 1 V LDTC144EE
O F F : 0 . 0 1 V
1M
R351
C351
0.1
4 . 7 9 V
C45
Q5
0.1
2SC4738
R558
0
R559
O N : 2 . 6 4 V
O F F : 0 . 3 3 V
0
R560
0
R561
0
R562
0
1 . 8 1 V
IC103
1 5
VIN VOUT
2
GND
3 4
CTRL NC
NJU7775F18
R63
220k
2 . 9 4 V 3 . 3 3 V
LDTA144EE
Q200
TCON TONE-V
R202 R208 C530
DET
82k 120k 1
0 . 9 3 V
0 . 9 3 V
R511
1 8
330k R207
2 7
10k
3 6
39k
R209
4 5
IC200
0 . 9 3 V
NJM2904V
R510
39k
2 . 9 0 V
R300
WFM:1.56V
10
Q301
XP6501
WFM:1.01V
WFM:1.24V
D300
C303 C306
R323
C310 C311
0.0047 MA2S1110G 0.022
R305 330P 330P 390k
0.001
82k
C307
R304
180k
R311
R325
470k
C322
47k
0.1
F M : 0 . 0 0 V
C304
WFM:0.00V
2SJ144
0.1
Q302
C308 C312
0.1
0.1
WFM:0.00 V
R313
1M
R555
47k
LOGIC3.3V
+2S
TRAC
IOCK
IOSTB
IOEN
IODATA
NOISE
R SSI
DET
W1
RDS2T0R0
HV
+2S
+3S
+3V
IFV
2SA1832
Q513
1
2
3
R554 C210
DET
0 0.1
Q500
8 1
D S
7 2
D S
6 3
D S
5 4
D G
HAT1023R
2 . 7 3 V
1SS400
Q509
D 507
LDTC144EE
CHGS
C : 3 . 0 5 V
C : 3 . 1 6 V
D 500
SB07-03C
C500
0.001
C318
0.01
C : 0 . 0 6 V
CHGC
LOGIC3.3V
TEMP
A FSEL
R320
C319
100k 0.1
*: Refer to the PARTS LIST for the value and name of component.
10 - 2
J3
1 40
2 39 ATT
3 38 DBL2
4 37 DBL1
5 36
6 35 SHIFT
7 34
8 33
9 32
10 31
+3S
11 30 VP
12 29 PPS
13 28 PDAUL
14 27 PCK
15 26
PSTB
16 25
17 24 +3V
18 23 FSET
19 22 IFV
20 21
C18
C17
0.001
0.001
EAR ANT
TO RF UNIT
5 . 0 1 V
C504
0.001
2SA1832
Q512
CP10S
RB551V EP14 CP3
I C455
R563
5
D509
CTRL VIN M PZ1608S221 A
12
GND
CP10S
4
NC VOUT EP15 CP4
R564
NJM2831F05 10
M PZ1608S221 A
RB551V
D521 RB551V
4 . 8 6 V
D508
4 . 6 7 V
D501
MA2S7280G
C501
M PZ1608S221A
0.001
EP12
R530
1k J500
Q510
R557
LDTA144EE
0
C : 4 . 4 4 V
C503 EP13
R502 0.001 M PZ1608S221A
8.2 C:CHG ON
Q501 R317
2SB1132
10
C : 3 . 7 6 V
C : 3 . 2 5 V
Q 502
LDTC144EE