Icom IC R8500 Service Manual Addendum page 48

Apr. 2011
PLL-B UNIT
C1 L1
0.0047 10uH
IC1
5.05V R1 1k
BU4094BCF
1 16
STRB VDD
R2 1k
Pdat 2 15
DATA OENA
Pck 3 14 CON2
CLK Q5
R3 1k
4 13 CON1
Q1 Q6
5 12 CON0
Q2 Q7
R4 1k
6 11 RST
Q3 Q8
7 10
Q4 Q'S
8 9
VSS QS
C6
0.0047
POE
R228
PSTB 1 16 47k
STRB VDD
Pdat 2 15 POE
DATA OENA
Pck 3 14 STP1
CLK Q5
4 13 STDA
Q1 Q6
5 12 STDB
Q2 Q7
6 11 STP2
Q3 Q8
7 10
Q4 Q'S
8 9
VSS QS
IC2
BU4094BCF
+24
C371
470p
13.0V
23.8V
C372
4.60V
470p
EP2 13.8
EP3
13.8
LCT LCT
+24
P1
GND Pdat
C373
Pck
Pck 22p
Pdat
POE Pdat
to
POE
MAIN PSTB Pck
PSTB
UNIT
GND POE
LCT
J9
PSTB
+24 J1
13.8
+
IC24
R215 TA7805F NQ
10.0V 5.06V
27
D+5
I O
G
+
R216
27
R217
27
IC16
TA7805F NQ
5.06V
+5
I O
G
+ +
STDB
IC17
12.9V
MCT780CD2T
7.99V
13.8 +8
I O
G
+ +
+24
15.6V STP2
4.99V
+
R87
10k
Q34
L17
2SC3661
100uH
D20
MAZ8160GH
+
+5
C154
R265
0.0047 5.00V
1M
5.02V
1 5
2
OPTION TCXO
3 4
X1 C156
IC21
CR-452 0.001
TC7S04F
STP1
+16
+8
D+5 L2 HF50ACC322513-B
+ +
R22
5.02V
2k
R23
2k
R24 1
VSS
2k
2
SYSCLKO
3
VSS
R25
4
VSS2
2k
5
VDD
6
DA0
R26
7
DA1
2k
8
DA2
9
DA3
R27 10
DA4
2k
11
DA5
12
VSS
R28 13
IC3
VDD
2k
L7B1106
14
DA6
15
DA7
R29
16
DA8
2k
17
DA9
18
DA10
R30
19
DA11
2k
20
VSS
21
TE1
R31 22
TE2
2k
23
TE3
24
VDD
R32 25
VDD
2k
R33
2k
R42
100k
5.01V
C17 C18 C19
FI1
0.047 0.047 0.047
C28
SFSH6.5MCB 3 4
0.01
2 1 2
1 5
3
C287 C288 C289
IC4 22p 22p 22p
TC7S04F
D4
1SS272
3 2 1LD W21 W21 C72
Q8
0.0047
L18
DTC144EU
1uH
LCT 4 1 2LD
Q9
DTA144EU COUL
+8
D+5
+5
+16
14.1V
C237
0.001
1 20 Q14
REF O REF I
2 19 Pdat 2SK536
+ +
LO DATA I
3 18 Pck
R CLK
4 17 STP2
V ENABLE
5 16
VPD OP A
C354
6 15
Q15
PD O OP B 10
7 14 2SC3661
+
GND VDD 6.92V
8 13
RX TEST2
9 12 3 2
TEST1 VCC CP3
10 11
FIN FIN
4 1
C101 D4
R91 R95
IC10
0.001 1SS272
3.3k 1k
MC145190F
+
4.99V
+
C103 C104
0.22 0.22
L33 L72
100uH 1uH
C102
IC11 0.0047
HD74LS90FP
1 14
B A
2 13
R0(1) NC
3 12
R0(2) QA
4 11
R241 47
NC QD
5 10
VCC GND
6 9
R9(1) QB
7 8
R9(2) QC
PAKA
+16
+8
1LD
+5
L89 100uH
C448 0.001
PD1
R268
33k
Q45
C449 0.001
2SC4081
PD2
R270
HF
12k
75 VCO1
ETCO0
74 VCO2
ETCO1
73 VCO3 HF
ETCO2
72 VCO4
ETCO3
71
ETCO4
70 VU
ETCO5
69 FIL3
ETCO6
68 FIL4
ETCO7
L1
67
VDD 0.22uH
66 LV
C22
VSS
65 0.047 GND
Q4MA
64
C292
Q12MA J1
63 22p
VSS
62 C23
VDD
0.047
61
FCK
60 C293
RC
22p
59
REFOSC
58
R35
VDD
57 C24 47k
VSS
56 0.047
PDTRI
55
C294
VSS
L7
54 22p
PD0 0.22uH
53
PD1
52
PD2
51
C244
VSS
0.047
C296
22p
C248 C247
0.001 0.001
C21
C20
0.047
0.047
C298 C297
C291 22p
4.99V(u1)
22p 22p
VCO1
C290
22p
L19
Q11
Q7 10uH
DTC114EU
DTC144EU
R72 100k
3 4
0V
2 VCO2
5.00V
1 5
Q36
IC7
DTC114EU
TC7S04F
COUL
+8
D+5
+5
+16
HF
4.99V
0.1 -29.99999MHz
500 -1199.99999MHz
1500-1999.99999MHz
:4.99V
Other freq:0V
VCO4
VCO3
C15 D1
L6
0.001 1SV217
R8 1.5k
1 4
2.2uH
L1 D2 L4 C1
R1 2 3
2.2uH 1SV217 39nH 22p
1k
Q1
2SC4835G R
D5
C6 0.5p
1SV237
Q2
L5
C2 R6 DTC114EU
+
2.2uH
10p 220
LV
HF
J1
L10
0.22uH
Q3
2SC4835G R
L7
C16 C17
C25 0.5p
0.22uH
5p 4p
Q4
L9
C18 R15 DTC114EU
0.22uH
3p 180
VCO-B BOAR D
4.94V
C374 0.1
L7 R49 100
Q44
7.82V
100uH
2SA1576
2.83V
+ R45
CP1
C450
220
0.001 L5 C451
R239
100uH 220p
1k
Q2
C38
2SK210
+
R43 C33
10p
1k 47p
+
C35
150p
R48
150
LV
V1
+ J3
C4 L3 R2
Q1
470p 1uH 10
D1 2SK1577
1T362A
R5
D2 C8
3.9k
1T362A 0.5p
Q2
2SC4835G R
D3
1T362A
L5 1uH
C12
6p
D5 1SV271
D4
OUT
1T362A
GND
+
L9 R10
J4
Q3
1uH 10
2SK1577
D6
1T362A
R13
D7 C17
3.9k
1T362A 0.5p
Q4
L11
2SC4835G R 1uH
D8
V2
MA338
J5
C20
D10
6p
1SV271
D9
MA338
VCO-A BO ARD
L20 470uH 7.24V(u1)
Q10
+
RN2427
2 1
D5
1SS272
1 4 3 4
L21 470uH 0V
2 3
+
D23 2 1
1SS272 R118
D6
22
1SS272
3 4
C132
22p
Q12
RN2427
C339 22p Pck STDB
4.94V
C340 22p Pdat C341
22p
L83
0.47uH
1
VSS
R9 100k
2
7.97V FSK1
3
+
FSK0 POM2
4
ETC0 POM1
5
ETC1 POM0
6
IC13
VDD VDD
SC-1287A
7
+
SYS CLK VSS
(TC190G02EFG-0058)
8
NUM0 RESET
6.83V
9
NUM1 ROMCE
10
NUM2 VDD
11
VDD DA9
V+8
VCO3
+8
LO
VCO4
J2
0V
30 -499.99999MHz
1200-1499.99999MHz
:4.99V
R150 R151 R152 R153 R154 R155 R156 R157
2k 2k 2k 2k 2k 2k 2k 2k
24
q
w
e
r
t
+8
y
1LD
u
i
L10 L11
C40 C48
1uH 1uH
0.047 0.047
o
Q3
C42
2SC4081
150p
4.98V
R51
47
C49
1
HF
L14
5.04V
1uH
+5
!0
!1
!2
C61 C63 L73 L74 L75
R245 3
12nH 10nH 10nH
100 10p 0.001
4 2 !3
C264 C266
1
3p 1.5p
IC6
uPC1688
!4
R67 R243
18 47
500 -1199.99999MHz
C80
5.00V 1500-1999.99999MHz !5
10p
5.00V
VC34 !6
+5 !7
!8
!9
C134 R123
0.001 33
@1
L40
1uH
R120 100
FIL3 @2
L41 1uH
4 3
Q22 C135 C424
Q21
DTA144EU
0.001 0.001
DTC144EU
@3
R121 100
1 2
L45
D17
1uH
1SV237
FIL4 @4
C133
3
0.001
4 2
Q25
Q24
DTA144EU
DTC144EU
1
IC12 30 -499.99999MHz
uPC1688 0V 1200-1499.99999MHz
5.00V
COUL @5
D+5 @6
@7
@8
@9
#0
#1
+16
#2
R250
100k
IC19
4.88V
TC7S04F
33 1 5
I
32 2
Q
31 3 4
30
29
28
27
26
25
24
23 DS5V
C344 C346
12p 20p
R161
3.95V
180k
#3
L51 L52
R163 C173
18uH 18uH
270 0.01
0.67V
Q28
C168 C170
#4
3.5p 1.5p 2SC4081
R232
100
R158 R159
2k 2k
#5