Icom IC-R6 Service Manual page 34

RF UNIT (2/2)
+3S
R197
220
L111 C256
0.00 1
33N
2 . 0 8 V
Q43
2SC5006
+3V
0.001 C2
IC3
R64
MB15F63UL
390
FINRF LD/FOUT
11 7
VCCRF VPRF
12 6
LE DORF
13 5
DATA SW
14 4
CLOCK GND
15 3
VCCIF D OIF
16 2
C107 OSCIN VPIF
17 1
0.22
C259
0.001
C155
C654
5P
4.7 820
R5
C738
C89
C87 C88
0.1
47P 47P 47P
DATA
CLK
ENB
2 . 8 5 V
2nd_LV
Q37
2SC4738
+3S
R121
1k
39P
D53 R37 L45 C207
MA2S1110G 330 10N
C668
C82
0.01 10
R120
D17
C79 4.7k
C78
0.001
0.33 SVSP 1SV305
IFV
+3S
R204
+2S
10k
FI3
D58
FL-293
MA2S077G0 L73
R347
1
47
2.7U
3
C427
22P
R356
C18 D59
C714
100k
0.01 MA2S077G0 12P
Q523
1 st-IF 2SC5006
1st-LO
F-AG C
VHF-AGC
UHF-AGC
800-AGC
300-AGC
G-AGC
EAR
R319 R320
15 15
L80 C510
C258 5.6N 2P
0.001
R321
C237 120
0.001
0 . 7 0 V
R202 220
R65 C105 0.15 SVA
3.3k
0.15 SVA C248
1 MSVA
C423
1st_LV
Q2
2SK880
R200
R66
6.8k 2SC4117 VP
Q45
22k
C106
0.1
R201
8 .2k
R67
100 PPS
R41 100 PDAU L
R42
100 PCK
R43 100 PSTB
2 . 2 1 V
C81
L20
R154
0.001
1k 47N
2 . 2 0 V
0.001
Q6
C209 L69
6 1
C154 22N
5 2
10P
C251
C208
4 3
47P 4P
C250
C252
FH102A 8P
8P
C80
0 . 7 1 V
47P
330
1 . 4 7 V
R1
C74
C201
0.001 L17
0.1
3.3U
R205
10k R35
2 . 8 4 V
C102 C75
R209 15k
4
1.5k 0.001
0.001
C430
2
C246 C431
0.01 Q5
0.01 0.01
2SC5006
D61
1 . 4 3 V
MA2S077G0 0 . 7 4 V
R207
R208
10k
10k
R56
C693
470
0.1
C202
IC14
0.1
1 8
COM VCC
2 7
INH CH0
3 6
VEE CH1
4 5
GND A
D62
TC7W53FU
MA2S7280G
D20
MA6S718
D21
Q518
M A6S718 2SC4738
DET
2 . 6 5 V
C727
*C160 2P
2 . 0 5 V
C729 0 . 9 1 V
0.75P R393
0 . 7 4 V C726
Q525
2SC5006 0.001 6 .8k
Q528
2SC5108
R391
0 . 7 4 V
Q529
120
2SC5006
R156
2.7k
R38
C84
0.001 470 R351
X1 3rd-LO
4 3
VCC OUT 3.3k
1 2
VCONT GND
R40
CR-900
100k
C659
10 C90
0.01
IC12 NJM2552V
FM_AM_OUT QUAD_IN
11 10
AMP_IN FM_IF_OUT
12 9 0.1 C684
AMP_OUT FM_DEC
13 8
AM_AF_OUT FM_IF_IN
14 7
AM_SW AM_DEC
0.1 C683
15 6
RSSI_OUT AM_IF_IN
16 5
RF_AGC_OU T GND
17 4
AM_AGC_IN MIX_OUT
18 3
V+ OSC[E]
19 2
MIX_IN OSC[B]
C730 20 1
10P
R60
470k
0.01
C239
R59
2.2k
R57
33k
C96
0.01 R395
C95
0.001
N TCG10
R337
22k A M : 0 . 0 1 V
R346
A M : 2 . 8 8 V
R103
10k
1k
Q520
UNR9114G0
Q519
LDTC144EE
L94 LOGIC3.3V
LQW18AN5N6C00
L95
+2S
L QW18AN8N2D00
TRAC
IOCK
IOSTB
IOEN
IODATA
NOISE
O N : 0 . 0 3 V
R SSI
O F F : 2 . 4 1 V
Q 526
LDTC144EE
R360
SHIFT
1k
300M2V
1 . 7 0 V
UHF2V
1 . 7 1 V
VHF2V
1 . 7 1V
G2V
1 . 7 0 V
800M2V
1 . 7 1 V
R55
2 . 9 2 V
680
X2
TBM450CX24 J 4 3
WFM
Q41
2 LDTC144EE
220
5 1
R54
C242
47P C241
C93
0.22
0.22
C101 470P
C1
82P
L21
100U
WFM
C221 R50 WFM:0.05V
R49
0.01 10k
10k
FI2
D55
LTM450FW M A3S132EG
D56
C681 C680
Q46
I O
0.01 0.01
4 3
R172
M A3S132EG
5 2
15k
R46
15k 6 1
C203
XP4312
R199 R174
0.1
22k
10k WFM:2.80V
C434
C739 0.1
0.01 C92 39P
+3S
0.01 C687
R341 R342
+3S
1k 100k
5
1
4 NOISE
3
IC13
2 LMV321IDCK
*: Refer to the PARTS LIST for the value and name of component.
10 - 4
DET
J1
1 40
2 39 ATT
3 38 DBL2
D BL1
4 37
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
EAR ANT
CP9
to logic unit
C676
1P
+2S
Q501
UNR9114G0
1 . 7 1 V
300MC C673
100P
C501
XP1114
1
Q502
5 1 UHFC
C713
2
R335
1
4 3 47k
VHFC
C503
XP1114
1
Q503
5 1
GC
C504
2
1
4 3 800MC
C505
1
+3S
800MC
GC
300MC
AM
IC19
1 5
2
3 4 ANTS W
TC7S04FU
I OSTB
IOCK
IODATA
3 . 1 6 V
C712 LOGIC3.3V
0.1
IC17
1 20
VSS VDD
2 19 IOEN
DATA QE
3 18 VHFC
CLK Q11
4 17 UHFC
LCK Q10
5 16 B3C
Q0 Q9
6 15
WFM
Q1 Q8
7 14
B2C
Q2 Q7
8 13
Q3 NC
9 12
Q4 NC
10 11 B1C
Q5 Q6
BU2092FV
AGCC