![background image](http://html.mh-extra.com/html/icom/ic-7700/ic-7700_service-manual_612323104.webp)
10 - 14
PLL UNIT (PLL-2)
C660
0.0047
L532
33U
C507
0.1
R571
18
C547
100P
Q580
2SC5226
C690
0.
1
R836
330
J681
TMP-J01X-V6
C564
0.0
047
R596
6.8K
R588
18
C703 0.001
C581
0.0047
C705
100
C562
0.0047
R708
560
C834
15P
C501
0.0047
J561
TMP-J01X-V6
R832
68
L501
10U
R595
47K
L831
LR-414
R709
8.2
C515
0.1
R685
1.5K
R555
330
C513
0.
1
L812
180U
C517
0.
1
R572
56
C511
0.
1
L801
LS-484B
R840
6.8K
R593
2.2K
L821
LR-395
R806
18
C503
10
Q811
2SK88 2
R835
100
C682
82P
C540
0.0047
C575
18P
R815
100
C571
0.0047
L561
100
U
L651
10U
D821
HSB88WS
L530
33U
C514
0.1
Q680
2SC4081
R564
3.9K
D501
DAN222
C532
33P
C708
0.
1
R705
22K
R693
3.3K
R833
100
R687
1.8K
C687
0.001
C688
270P
C506
0.1
R710
560
R574
68
R501
220
Q 561
2SC5226
C813
560P
R594
100
C683
680P
L542
#E526GN
R562
220
L834
LS-484B
Q54 0
2SC4081
C707
0.
1
C685
560P
L531
33U
R563
2.7K
C710
0.0047
R837
15
C504
0.1
R565
220
C542
0.
1
C573
18P
C594
0.0047
L566
LS-471A
L822
LR-395
Q59 1
2SC467 3
C502
0.
1
C811
0.
1
C518
0.
1
C684
33P
C535
33P
R548
4.7K
C512
0.
1
C554
100
C593
10
Q801
2SK882
R575
15
IC602
TC7S08F
1
2
3
4
5
R652
220
C592
27P
L682
390U
J601
TMP-J01X-V6
L683
390U
R582
22K
C519
0.
1
C832
1P
C838
12P
R561
10
C580
0.0047
C533
68P
R581
220
C566
0.0047
C534
68P
C691
0.1
C563
0.001
C605
10
C550
0.0047
C510
0.
1
R831
100
C692
0.0047
C802
15P
C711
1.5P
C709
33P
R550
100
C565
47
L591
0.15U
C520
0.
1
R804
100
C680
0.0047
R838
330
C704
0.0047
J831
TMP-J01X-V6
Q702
2SC421 5
C831
4P
C681
470P
C597
22P
C803
0.01
C694
0.0047
C835
0.01
C686
270P
C553
0.0047
C801
0.0047
R691
18
R603
2.2K
C552
0.001
C689
0.1
Q831
2SK882
C604
0.
1
C812
0.
1
R570
18
C836
10
L545
100
U
C591
0.0047
R686
100
C712
33P
L565
LS-471A
R688
2.2K
Q593
D TC114EU
R591
100
C541
10
L701
100U
C509
0.
1
C516
0.1
R689
220
C713
0.0047
C525
0.0047
Q502
D TC114EU
C693
0.0047
C596
0.0047
L681
330U
R834
330
C837
0.0047
Q833
DTC114EU
L544
100U
R534
0
R682
0
1P
C574
R605
100
D542
MA357
L541
3.9U
L543
3.9U
10P
C546
Q59 2
2SB1123
Q832
2SB1123
220
R538
TC7S04F
IC503
1
2
3
4
5
R506
1M
0.
1
C526
TC7S04 F
IC652
1
2
3
4
5
R656
1M
0.
1
C661
0.1
C521
0
R507
10U
L562
0.0047
C555
10
C558
2.
2
C559
47
C556
10
C561
27P
C543
30P
C545
10P
C548
22P
C549
2P
C551
R554
150
100
C505
47
C522
C653
10
C652
0.
1
C651
0.0047
R676
1K
0.1
C671
R664
1K
0.
1
C666
1K
R680
R655
2K
SC-1246A
IC651
1
VSS
2
SYSCLKO
3
VDD
4
VDD
5
VSS
6
DA0
7
DA1
8
DA2
9
DA3
10
VSS
11
DA4
12
DA5
13
DA6
14
DA7
15
VSS
16
VSS
17
DA8
18
DA9
19
DA10
20
DA11
21
VDD
22
TE1
23
TE2
24
TE3
25
VDD
26
VSS
27
VSS
28
VDD
29
TEOUTH0
30
TEOUTH1
31
TEOUTH2
32
TEOUTH3
33
TEOUTH4
34
VDD
35
VDD
36
SYSRESET
37
VSS
38
VDD
39
OSCI
40
VSS
41
OSCF
42
VDD
43
VSS
44
OSCO
45
VSS
46
PDIN
47
REFIN
48
VSS
49
DIVOU T
50
VDD
51
PD
2
52
PD
1
53
VDD
54
PD0
55
VSS
56
PDTRI
57
VDD
58
REFOSC
59
RC
60
FCK
61
VSS
62
Q16MA
63
Q4MA
64
VDD
65
VSS
66
ETCO7
67
ETCO6
68
ETCO5
69
VSS
70
ETCO4
71
ETCO3
72
VSS
73
ETCO2
74
ETCO1
75
ETCO0
76
VSS
77
VSS
78
VDD
79
BUM2I
80
BUN2I
81
BUN4I
82
VDD
83
BUM2 O
84
BUN2O
85
BUN4O
86
VSS
87
VDD
88
SYS-CLK
89
VSS
90
VSS
91
STRB
92
CON2
93
CON1
94
CON0
95
VSS
96
BUSY
97
VSS
98
CONTCLK
99
DATA
100
VDD
0.
1
C665
R665
2K
R673
2K
R667
2K
0.1
C670
0.
1
C664
R660
1K
C654
0.1
R663
2K
R674
1K
R666
1K
C657
0.1
R661
2K
R668
1K
0.
1
C667
R671
2K
0.1
C669
R662
1K
R672
1K
0.
1
C663
R670
1K
2K
R677
C658
0.1
R659
2K
C659
0.
1
0.1
C672
R675
2K
0.1
C668
1K
R678
R669
2K
C655
0.1
R658
2K
2K
R679
100
C662
47
C656
10 M
UNLK
PLL+5V
PLL+8V
T8V
R8V
DRESL
CK
DATA
STB3
STB4
CN2 2
MKRS
40 M
M100K
1897
MP653
1
2
3
4
FI831
FL-356
1
IN
2
OU T
3
GND
4
GND
5
6
I C501
SC-1246A
1
VSS
2
SYSCLKO
3
VDD
4
VDD
5
VSS
6
DA0
7
DA1
8
DA2
9
DA3
10
VSS
11
DA4
12
DA5
13
DA6
14
DA7
15
VSS
16
VSS
17
DA8
18
DA9
19
DA10
20
DA11
21
VDD
22
TE1
23
TE2
24
TE3
25
VDD
26
VSS
27
VSS
28
VDD
29
TEOUTH0
30
TEOUTH1
31
TEOUTH2
32
TEOUTH3
33
TEOUTH4
34
VDD
35
VDD
36
SYSRESET
37
VSS
38
VDD
39
OSCI
40
VSS
41
OSCF
42
VDD
43
VSS
44
OSCO
45
VSS
46
PDIN
47
REFI
N
48
VSS
49
D
IVOUT
50
VDD
51
PD 2
52
PD 1
53
VDD
54
PD 0
55
VSS
56
PDTRI
57
VDD
58
REFOSC
59
RC
60
FCK
61
VSS
62
Q16MA
63
Q4MA
64
VDD
65
VSS
66
ETCO7
67
ETCO6
68
ETCO5
69
VSS
70
ETCO4
71
ETCO3
72
VSS
73
ETCO2
74
ETCO1
75
ETCO0
76
VSS
77
VSS
78
VDD
79
BUM2
I
80
BUN2I
81
BUN4I
82
VDD
83
BU
M
2
O
84
BUN2
O
85
BUN4
O
86
VSS
87
VDD
88
SYS-CLK
89
VSS
90
VSS
91
STRB
92
CON2
93
CON1
94
CON0
95
VSS
96
BUSY
97
VSS
98
CONTCL
K
99
DATA
100
VDD
LS-522
L703
LS-522
L702
Q541
2SK21 0
2590
MP601
1876
MP501
1876
MP651
2590
MP561
330
R580
R502
1K
R503
1K
R504
1K
1K
R509
R537
1K
R540
1K
R604
1K
R651
1K
R653
1K
R654
1K
R812
1K
R592
10K
R706
10K
R803
10K
R814
10K
R839
10K
R544
100K
R545
100K
R587
270
R589
270
R690
270
R692
270
R805
270
R807
270
R573
33
R704
33
R546
470
R707
470
R802
470
22K
R556
R522
1K
0
R583
0
R584
R711
470
R657
470
0
R712
3009 PLL CASE
MP541
1
2
3
4
5
6
7
8
STB3
CK
CN22
DATA
R8V
10 M
DATA
40 M
STB4
DRESL
CK
UNLK
STB3
T8V
CN22
M100K
MKRS
MKRS
R8V
DRESL
UNLK
MKRS
T8V
R8V
40M
DRESL
STB4
DATA
10M
40M
PLL+8V
PLL+5V
CK
M100 K
100KHz
T3LO
To RF UNIT J501
To RF UNIT J1001
MK R
MKR
T2LO
64MHz
64.491MHz
+8V
+5V
+8V
+5V
+8V
+5V
To PLL-1
R2LO
491KHz
To RF UNIT J1651
To RF UNIT J502