Pll Unit - Icom IC-756PROII Service Manual

10-6 PLL UNIT

5V
32MHz_REF
P351
J351
to RF-A 1LOA
unit J561 IC191
TC7S08F
1 5
2
P651
J651
to RF-A 3 4 MKRSS
unit J661
6
C191
0.1
R139
47k
R101 2k
1
R102 2k
Q103
2SC4081
R104 2k
C124 0.0047
C123 0.0047
R106 2k
6
1 75
VSS ETCO0
2 74
SYSCLKO ETCO1
3 73
R108 2k VDD ETCO2
4 72
VDD VSS
5 71
VSS ETCO3
6 70 PAPS
DA0 ETCO4
7 69 1
R110 2k DA1 VSS
8 68 PAMT
DA2 ETCO5
9 67 DULS
DA3 ETCO6
10 66 MKRS
VSS ETCO7
11 65
R112 2k DA4 VSS
12 64
DA5 VDD
13 IC101 63
DA6 SC-1246A Q4MA
14 62
15 DA7 Q16MA 61
R114 2k VSS VSS
16 60 6
VSS FCK
17 59
DA8 RC
18 58 MKRSS
DA9 REF_OSC
19 57
R116 2k DA10 VDD
20 56
DA11 PDTRI
21 55
VDD VSS
22 54
TE1 PD0
23 53 1
R118 2k TE2 VDD
24 52
TE3 PD1
25 51 ULDA
VDD PD2
R142
1k
R120 2k
R122 2k
6
R124 2k
R147
1
1k
DRES
5V
R127 1M
IC102
TC7S04F R130
FI101 10
CFEC10.8MD11 1 5 R304 L301
C116 C117 Q124
0.1 0.1 W122 33 10µH UMD3N
2 1
3 4 2
EP151
3
MMZ1608Y102B
8V
C118
0.1
IC382
5.0V
TA78L05F
R309 560
L181
10µH
8V 1LOA 5V PLLA
C152 I 0
33p
5.0V
G
R155 R181
180 1k
C120
0.1
C155
R394
150p 1.8k
Q151
2SK210
L152 D152 C393
C161 5p
LB-343 HSM88AS 0.0047
R132
IC381
47k C156 R156 C163 R159
150p 47k 0.0047 15 LMX2306TM
1 16
FLO VP
D153 Q152 2 15
1.8V 2SC4081 CPO VCC2
HSM88AS 3 14
GND FO/LD
4 GND LE 13
R141 5 12
Q102 0.6V 100 FIN DATA
2SC4081 6 11
C395 FIN CLOCK
7 10
0.01 VCC1 CE
8 9
OSCIN GND
C119 R131 R161 R160 W155 C381
0.0047 100 82 15 0.0047
4.8V 7.7V
5V
8V
32MHz_REF
L205 MEASUREMENT CONDITIONS
C150 R202 1812CS. C203 VOLTMETER :10MΩ
0.1 560 122XKBC 0.0047 C206 OSCILLOSCOPE :20MHz 1MΩ 25pF
1p VA4S
SUPPLY VOLTAGE :13.8V
DISPLAY :14.1MHz USB
D202 KV1470 C202 Q201
20p 2SK508 Unselectde 0V
Selected 0.7V
5 4 L206
1812CS.
122XKBC
C207
R203 0.0047
Q126
560 R401 2k
UMD3N
Q202
C201 2SC4213
0.0047 D201 KV1470
2 3
L126 10µH R402 2k
VA1S
L225
R222 1812CS. C223
33 122XKBC 0.0047 C226 R404 2k
1p VA3S
D222 KV1470
C222 Q221
56P 2SK508 Unselectde 0V R406 2k
5 4 Selected 0.7V
L226
1812CS.
122XKBC
Q123 C227
R223 0.0047 R408 2k
UMD3N
470
Q222
2SC4213
2 3
L123 10µH D221 KV1470 R410 2k
VA2S
L255
R252 1812CS. C253 R412 2k
270 122XKBC 0.01 C256
1p VA2S
R414 2k
5 4 C252 Q251
150p 2SK508 Unselectde 0V
Selected 0.7V
L256
Q122 1812CS.
122XKBC R416 2k
UMD3N C257
R253 0.0047
560
Q252
2 3
L122 10µH 2SC4213 R418 2k
VA3S
L275 R420 2k
R272 1812CS. C273
560 122XKBC 0.0047 C276
1p VA1S
R422 2k
5 4
C272 Q271
100p 2SK508 Unselectde 0V
Selected 0.7V
Q121 L276
R424 2k
UMD3N 1812CS.
122XKBC
C277
R273 0.0047
560
2 3
L121 10µH Q272
VA4S
2SC4213
R301 R275
1.8k 47
7.5V
L124 C416
10µH 4.0V C324 0.0047 0.1
6
Q301
2SC4403
BELOW 7.999999MHz 0V BELOW 7.999999MHz 4.6V
5 ABOVE 8.000000MHz 4.6V
ABOVE 8.000000MHz 0V
3.3V C326 0.1
4
EP321
IC320
C302 C320 C322 µPC1678G R323 MMZ1608Y102B
L125 R321
10µH 39p 39p 0.0047 10
10 1 8 5V 1L0A
IN VCC
2 7
GND GND
3 6 C350
GND GND
4 5 Q351 0.0047
GND OUT
Q181 DTA114EE
2SC4081 3.6V W181 R361
4.7k
L355
4.7µH
R363 C420
4.3V 4.7k 0.1
C311
0.0047 R351
2.7k
L382 L351 L352 L353 C358 C360 D361 C361 R353
HF50ACC322513-B 56nH 82nH 82nH 56P 56P 1SV307 0.0047 15
W392
L303
47nH C352 C354
C380 3p 2p D362 R352 R432
1SV307 270
1 47k
C305
7p Q361
D301 C355 D351 R362 DTC114EE
MA77 10p MA77 100
R380 10k ULPA
R387 1k PST2 C307
PDATA
R385 1k 12p Q402
PCKA 2SC4081
R386 1k
W385
32MHz_REF
R492 L491 L492
180 0.68µH 0.82µH C450
0.1
C492 C494
100p 39p
6 5 4
R439
47k
Q426
UMD3N
1 2 3
Q403
L426
2SC4081
10µH
C424 0.0047
C423 0.0047
6 5 4
1 75
VSS ETCO0
2 74
SYSCLKO ETCO1
3 73 Q423
VDD ETCO2
4 72 UMD3N
VDD VSS
5 71
VSS ETCO3
6 70
DA0 ETCO4
7 69 1 2 3
DA1 VSS
8 68
DA2 ETCO5
9 67
DA3 ETCO6 L423
10 66
VSS ETCO7 10µH
11 65
DA4 VSS
12 64
DA5 VDD
13 IC401 63
DA6 SC-1246A Q4MA
14 62
15 DA7 Q16MA 61
VSS
16 VSS 60 6 5 4
VSS FCK
17 59
DA8 RC
18 58
DA9 REF_OSC
19 57 Q422
DA10 VDD
20 56 UMD3N
DA11 PDTRI
21 55
VDD VSS
22 54
TE1 PD0
23 53 1 2 3
TE2 VDD
24 52
TE3 PD1
25 51 ULDB
VDD PD2 L422
R442 10µH
1k
6 5 4
Q421
UMD3N
R447
1 2 3
1k
L421
10µH
R427 1M
IC402 5V
TC7S04F R430 8V
FI401 10
CFEC10.8MD11 1 5
C417
0.1 W422 R604 L601
2 Q424 L424
33 10µH UMD3N 10µH
1 6
3 4
2 5
EP451
MMZ1608Y102B
3 4
8V
C418 L425
0.1 10µH
IC682
TA78L05F
R609 560
8V 1LOB 5V PLLB
C452 I 0
33p
L481 Q481 W481
G 10µH
R455 R481 2SC4081
180 1k
Q681
2SA1576
J681
C455 L682
150p HF50ACC322513-B
Q451
2SK210
R694 W692
L452 D452
C461 5p 1.8k
LB-343 HSM88AS
C680
IC681
C456 R456 C463 R459 1
150p 47k 0.0047 15 LMX2306TM
1 16
FLO VP
D453 Q452 2 15
2SC4081 CPO VCC2
HSM88AS 3 14 R680 10k
GND FO/LD
4 GND 13 R687 1k
R441 5 LE 12
100 FIN R685 1k
6 DATA 11
C695 FIN R686 1k
7 CLOCK 10
0.01 VCC1
8 CE 9
OSCIN
GND
C419 R431 R461 R660 W455 C681
0.0047 100 82 15 0.0047
5V
8V
ULPA
ULPB
D2
Q2
DAP222
D3 D4 UMD3N
L505 CON2A DAN222 DAN222
R502 1812CS. C503
ULDA
560 122XKBC 0.0047 C506
1p VB4S CON2B ULDB
D502 KV1470 C502 Q501
20p 2SK508 DULS
L506
1812CS.
122XKBC
C507 CON2
R503 0.0047
DIVOUT
560
PDATA MKRS
Q502
PCKA 32MHz_REF
C501 2SC4213
0.0047 D501 KV1470
VB1S
PDAT
L525 PCK IC901
R522 1812CS. C523
PDAT LC7153M
33 122XKBC 0.0047 C526
1p VB3S PCK 13
OUTA AOA
14
PIA AIA
D522 KV1470 15 VSS PDA1
C522 Q521 16
56P 2SK508 PIB PDA2
17
VDD TEST
L526 18
CB CA
1812CS. 19
122XKBC W170 OUTB LDA
C527 20
R523 0.0047 AOB LDB
W151 21
470 AIA DI
22
Q522 W201 PDB1 CL
23
2SC4213 PDB2 CE
W202 24
D521 KV1470 XOUT XIN
VB2S
W382
C907
W381
270p
L555 W221
R552 1812CS. C553
270 122XKBC 0.01 C556 W222
1p VB2S
W251
C552 Q551 W252
150p 2SK508
L556
1812CS.
122XKBC C913 220p
C557
R553 0.0047
W451 R912
560
1k
Q552 W452
2SC4213 OFF 0V
VB3S W521
ON 5.6V
W522
W551
L575 R913 C920
W552 100k 0.0047
R572 1812CS. C573
560 122XKBC 0.0047 C576 W571 OFF 0V
1p ON 2.9V
Q902
W572
2SK508 C919
2p
C572 Q571
100p 2SK508
L576 OFF 0V
1812CS. ON 2.7V
122XKBC R916 L905
C577
R573 0.0047 150 0.68µH
560
Q572
VB4S OFF 0V
2SC4213 L908 L907 C927
ON 6.6V
0.12µH 0.1µH 0.001
PBFS
C931 C929
5V 5V
8V 8V 12p 4p
Q904
2SC2714
R601 R575 C624 0.0047
1.8k 47
PBFS
Q601
C626 0.1
2SC4403
EP621
IC620
C602 C620 C622 µPC1678G R623 MMZ1608Y102B
39p 39p 0.0047 10
1 8 5V 1LOB
IN VCC
PBMT 2 7
R621 GND GND 8V
10 3 6 C650
GND GND
4 5 Q651 0.0047
GND OUT
DTA114EE
R661
4.7k
R36 R51
R688 L655 47k 47k
4.7µH
82k
R663
4.7k
C611
0.0047
R651
2.7k D661
L603 L651 L652 L653 C658 C660 C661 R653
47nH 56nH 82nH 82nH 56P 56P 1SV307 0.0047 15
R55
D51 KV1470
47
C605 C652 C654
7p 3p 2p D662 R652 C64
270
1SV307 0.0047
31.2nS
Q661
C607 D601 C655 D651 R662 DTC114EE
12p MA77 10p MA77 100
ULPB L52
1.18Vp-p
PST4 LS-472C
PDAT
PCK
PLL UNIT
5V
8V
L701
UNLC
10µH R701 2k R702 1k
5V
6 5 4 DRES
R703 2k R704 1k
C192 R730
1k
0.1
IC192 R705 2k R706 1k
4.8Vp-p
TC7S08F
5
1
4 MKR
2 10µS R707 2k R708 1k
1 2 3 34 22
W33 R192 VSS DA8
3 2.2k 35 UL DA7 21
36 20
P1 DA6 R709 2k R710 1k
37 19
TREE DA5
38 18
P2 VSS
39 IC701 17
VDD DA4 R711 2k R712 1k
40 SC-1287 16
VSS DA3
D902 PST5 41 15
R729 1k STRB DA2
1SS226 PDAT R727 1k 42 14
DATA DA1 R713 2k R714 1k
PCK R728 1k 43 13
CON_CLK DA0
44 12
VDD VSS
5V
R715 2k R716 1k
L901
330µH
R911
1k R717 2k R718 1k
12
11
R909 1.5k
10 R719 2k R720 2k
9
R907 56k C910 1.8V
8
1
7
6 C708 P701
C903 0.0047 L702 330µH L703 390µH C714 270p C716 270p J701
5 3LO
100p
4 R902 1k PCK
R721 W1 W25 W28 W29 W2
3
R903 1k 47k C710 82p C712 33p
2 PST6
0.6V
1
IC902 Q701
TC7W08F 2SC4081
8 P851
1 J851
7 MKR MKR
2
5V 5V
6 5V
3 5
4 PDAT L801
10µH R801 2k R802 1k
R901
1k
DRES
R803 2k R804 1k
C911 R904 R830
0.1 10k
1k
L903 OFF 0V
R805 2k R806 1k
100µH ON 7.6V
L906
100µH R807 2k R808 1k
34 22
VSS DA8
35 21
UL DA7
36 20
C923 P1 DA6 R809 2k R810 1k
OFF 0V 0.0047 37 19
ON 7.0V TREE DA5
38 18
P2 VSS
Q903 39 IC801 17
2SC4117 VDD SC-1287 DA4 R811 2k R812 1k
40 VSS DA3 16
PST7 41 15
OFF 4.6V R829 1k STRB DA2
ON 0V PDAT 42 14
OFF 0V R827 1k DATA DA1 R813 2k R814 1k
ON 5.2V PCK 43 13
R828 1k CON_CLK DA0
44 12
Q907 VDD VSS
DTC114EE
R815 2k R816 1k
R920
OFF 7.6V
47
8V ON 0V
R817 2k R818 1k
Q905
L910 R922 L909
DTC114EE
0.33µH 100 100µH
R819 2k R820 2k
Q906
DTB123EK
R921 C925 L802 10µH L803 12µH C816 18p R823 1.8k 4.0V
47 0.0047 64MHz_REF
2.5V P801
C808 R821 W6 C814 J801
0.0047 39k C810 6p C812 2p 18p Q802
8V 2SC4117 S3LO
OFF 0V Scope OFF 0V
ON 0.2V ON 4.6V L806
0.6V 2.1V 0.56µH
Q801 P901
J901
OFF 0V 2SC4081
R825 C818
ON 0.66V S2LO
220 0.0047
8V
1.5V
S2LO S2LO
J1
L1 HF50ACC322513-B
8V 8V
5V NC
5V
R52 15k W10 L2 HF50ACC322513-B
X52 5V
L51 CR-338
R9 1k PSTB
1812CS. L55
Q51 10µH DRES R2 1k DRES
122XKBC 2SC4403 PCK
R3 47 CON0
R54 470 PDAT
R4 47 CON1
CON2 to MAIN-A
C58 R5 1k CON2 unit J841
C53 C54 PSEL
0.0047 120p R8 1k
82p UNLC R1 100 UNLC
14V
14V
L31
NC
C86 L82 EXCCL3225U
LS-509 16 GND
C88 22p
PST1 4 1 R47 GND
0.0047 Q1 STR 1k
PST2 5 2
R58 1.7V Q2 D
4.0V 6.3V PST3 6 3
27k Q3 CLK
PST4 7 15
R71 Q4 OE
L81 PST5 14 R48
2.9V 47k C83 Q5
22p LS-509 PST6 13 1k
Q6
PST7 12
0.6V 2.3V C81 Q81 Q7 P81
0.0047 2SC4405 11 Q8 W51 J81
2LO
Q52
2SC4081 9
QS
Q71 10
2SC4081 1.0V QS IC1
BU4094BCF
8
2.3V
10 - 6
to MAIN-A
unit J211
to RF-A
unit J481
to RF-A
unit J841
to RF-A
unit J831
to RF-A unit
J901