Icom IC-706MKIIG, Service Manual

Page: 68 / 85

¡ ¡
MAIN UNIT
J401
PA
J651
R8V
T8V
ICH
ICL
AT13
VFOR
UFOR
VREF
UREF
GND
L8
L9
KEY
STRT
PR3S
PR4S
TB1V
TB2V
TB3V
TB4V
CP401
C401 0.0047 C402 0.0047
CP402 CP403
C403 0.0047 C404 0.0047
CP404 CP405
C414 470p
CP406
C415 470p
CP407 CP408 CP409
C405 0.0047
CP410
C406 0.0047
CP41
1
CP412
C407 0.0047 C417 0.0047
CP413 CP414 CP415
C408 0.0047 C409 0.0047
CP416 CP417
C410 0.0047 C41
1 0.0047
CP418 CP419
C412 0.0047 C413 0.0047
CP420
FILTER
J12
SNDSR
SEND
MICE
MIC
AT13
14V
14V
14V
GND
SDSS
HREF
HFOR
GND
L7
L6
L5
L4
L3
L2
L1
CP431
J431
CP432 CP433 CP434 CP435 CP436 CP437 CP438 CP439 CP440 CP441 CP442 CP443 CP444 CP445 CP446 CP447 CP448 CP449 CP450
C440 470p C439 470p C426 0.1
C445 0.0047
L435 4.7uH
MAIN UNIT (1)
AT13
L1
L2
L3
L4
L5
L6
L7
L8
L9
B0
B7 B7W
BHF
ATTS
PR2S
PR1S
5V
R8V
14V
8V
T8V
1IF
GND
MAIN UNIT (3)
TB3V
TB4V
SQLS
8V
14V
NBS
WCNT
5V
AMS8
WFM8
R8V
T8V
AGC
ALC
L1
L2
L3
L4
L5
L6
L7
L8
L9
B0
B7
B7W
BHF
1F15
ATTS
PR1S
PR2S
PR3S
PR4S
TB1V
TB2V
GND
2IF
WFAF
ICL
ICH
PTTP
SDSS
SEND
SNDSR
EALC
AAF
AFO
AMOD
MICE
MIC
DOUT
DIN
BAND
U/D
DOT
DASH
FSKK
CIVE
CIV
STRT
KEY
BDT
UL
UREF
VREF
HREF
UFOR
VFOR
HFOR
DRIV
FILTER
J9
PLL
P681
DIN
J461
AMOD
DOUT
T8V
8V
AFO
SQLS
AAF
PTTP
GND
EALC
U/D
DOT
DASH
KEY
BAND
BDT
FSKK
CIVE
CIV
C461 0.0047
CP461
C462 0.0047
CP462
C463 470p
CP463 CP464
C465 0.0047
CP465
C466 0.0047
CP466
C467 0.0047
CP467
C468 0.0047
CP468
C469 0.0047
CP469 CP470
C470. 0.0047
CP471
C471. 0.0047
CP472
C472. 0.0047
CP473
C473. 0.0047
CP474 CP475
C475. 0.0047
CP476 CP477
C476. 0.0047
CP478
W461
CP479 CP480
L464 4.7uH T8V
8V
14V
R8V
5V
D500
1SV308
R501 1k
C501
9p L501
0.56uH C503
9p L503
0.56uH
C504
18p
L504
0.27uH
C502 220p L502 22nH L505 27nH C505 220p
R502 1k
C507 0.0047
R503
470
C604 0.0047
L602
100uH
C601 150p C603 150p
C602
27p
L601
0.47uH
R601 1k R602 12k
C605
0.0047
R604 330
R603 2.2k
C606 0.0047
R605 47
Q601
2SC4081
C607 0.0047
FI601
SFECV10.7MA-5
R613 1k
L603
100uH
R614 560
C61
1
0.0047
R615 47
Q611
2SC4081
C612 0.0047
R616 1k
C613 0.0047
R617 47
FI611
SFECV10.7MA-5
R618 820
R621 100k C621 0.1
R622
100
Q621
2SK882
R623 R
V
-150
(10kB)
R624 33k
R625 4.7k C622 82p
R626 100 C623 0.1
L621
LS-513
C624 0.1 R627 470
D621
MA862
R628 470
C631
0.0047
L631 47uH
C632 0.1 Q631
2SA1576
R631 47k
IC631
LA1150N
1 2 3 4 5 6 7 8
CP631
L634 100uH
L632
LS-514
C635 10p
R632 22k
C634 18p
C637 0.1
WFAF
R633 220k R634 220 C639 0.1
T8V
C638 0.0047
C636
0.001
Q632
2SK882
R635 4.7k C640 82p
D631
DAN222
C641 0.1 R636 100
L633
LS-513
C642 150p
CP632
R637 47k
Q633
2SC4081
R638
4.7k
C543 22
R639 100k C644 22p
C645 47 R640 6.8k
Q634
2SC4081
R641 3.3k
D633 MA2S1
1
1
Q635
DTC114EE
WFAF
C648 0.0047
AMS8 NBS
R642
330
R643 22k
C646 0.1
D634 MA2S1
1
1
C647 10
R644 1k
Q636
DTA114EU
W514
L511
FL-522
C51
1
0.0047
R51
1
1k
C512 9p
FI511
FL-261
C513 9p
C514 0.0047
R513 330
R512 1k
D502
MA862
L513 2.2uH
R514 470
C521
0.0047
C522
0.0047
L521 2.2uH
C523 0.1
L522 2.2uH
C524 0.001
C516 0.001 C515 0.001
R527
220
R528 220
D521
1SV265
1
2
5
4
3
L523 2.2uH
R521 47
C527
0.0047
4
1
3
2
IC521
PC1688
C525
0.0047
L527
10uH
C528 0.0047
R522 47 C529 0.0047
L524 2.2uH
R523
100 C534
0.1 C536
0.1 R524
220
L525 22uH
Q522
DTC114EE
AGC
ALC
8V
R8V
T8V
D522
1SV265
3
4
5 1
2
C530 0.001
L528 10uH
C531 0.1
L529 2.2uH
R525
220
R526
220 C537
0.001
Q521
DTC114EE
C532
24p
C533
24p
C541 220p L542 22nH
L541 0.22uH
C542
12p L543
0.39uH
L544
0.15uH
C543
33p
L546
0.10uH
C545 22p
L551
LR-317
D551
HSB88WS
C552 68p
L552
LR-317
R553
270
R551
270
R552 18 C553 0.1 R554 470
D552
MA862
L561
0.15uH
1F15
R561 47 C561 0.1
L562
LS-512
C562 10p C563 15p
FI561
FL-23 L563
LS-512
C565 0.1 R562 220
L565
0.15uH
L564
0.15uH
D561
MA862
R563 220
D562
MA862
R564 47
C566 0.1
L566
LS-515
ALC
AGC
C571 0.0047
C572 0.0047
C567 270p
R565 120
D571
MA2S077
L571 68uH
C573 0.1
L572 68uH
C574 0.1 R576 220
D573
1SV265
3
4
5 1
2
L573 100uH
C585 0.1 R577 220
L574 100uH
R578 100 C591 0.1 C587 0.1
R579 R
V
-143
(470B)
GND
GND
IN
OUT
GND
VCC
3
2
1
C575
0.0047
C577 0.0047
C588 0.1
R580 100
R581 220
IC571
PC2713T
4
5
6
L576 100uH
C579
0.0047
C576
0.0047
C578
0.0047
R582 470
C582 0.1
R583 220
C589 0.1
L577 100uH L575 100uH
L578 100uH
C583 0.1
R584
470
R573 220
D572
1SV265
5
4
3 2
1
R574 220
Q571
DTC114EE
L579 5.6uH
C580 56p
C581 56p
D574 MA2S111
R585 4.7k
Q572
2SC4081
Q573
2SC4081
R586 3.3k
R587 4.7k C590 0.1
WCNT
R572 2.2k
R571
4.7k
DRIV
R588
47k
J551
CP551
2LO
AT13
L2
L2
L3
L4
L5
L6
L7
L8
L9
B0
B7
PR1S
PR2S
ATTS
BHF
B7W
2IF
WFAF
ICL
ICH
PTTP
SDSS
SEND
SNDSR
EALC
AAF
AFO
AMOD
MICE
MIC
DOUT
DIN
BAND
U/D
DOT
DASH
FSKK
CIVE
CIV
STRT
KEY
BDT
UL
UREF
VREF
HREF
UFOR
VFOR
HFOR
14V
8V
5V
AMS8
WFM8
R8V
T8V
AGC
ALC
L1
L2
L3
L4
L5
L6
L7
L8
L9
B0
B7
B7W
BHF
1F15
ATTS
PR1S
PR2S
PR3S
PR4S
TB1V
TB2V
TB3V
TB4V
SQLS
NBS
WCNT
R8V
T8V
ICH
ICL
AT13
VFOR
UFOR
VREF
UREF
L8
L9
KEY
STRT
PR3S
PR4S
TB1V
TB2V
TB3V
TB4V
SNDSR
SEND
MICE
MIC
AT13
14V
14V
14V
SDSS
HREF
HFOR
L7
L6
L5
L4
L3
L2
L1
AMOD
DIN
DOUT
T8V
8V
AFO
SQLS
AAF
PTTP
EALD
U/D
DOT
CASH
KEY
BAND
BDT
FSKK
OIVE
CIV
1F15
WFM8
C506
0.0047
R612 6.8k
D632
1SS375
WFM8
L512
LS-522
C526
0.0047
C546 47
C544 220p L545 22uH
UL
C633
0.1
2IF
R8V
L526 2.2uH
C564
2p
D501
1SV308
D622
MA2S111
L622 100uH
C625
0.1
8V
C649 0.1
R619
680
8V
14V
R8V
D923
MA2S111
C432 0.0047 C434 0.0047
MAIN (2)
DRIV
L417 4.7uH
L477 4.7uH
¡ MAIN UNIT
MAIN (2)
10 - 3
WFM: 0 V WFM: 1.25 V
WFM: 0.95 V
WFM: 0.8 V
WFM: 4.2 V WFM: 4.2 V
WFM: 6.4 V
MEASUREMENT CONDITIONS
SUPPLY VOLTAGE:13.8 V
14.1 MHz USB
DIGITAL MULTIMETER :50 k‰/V