Kenwood TS-990S Service Manual page 43

5
4
3
2
1
A B C
TS-990S
SCHEMATIC DIAGRAM
RX UNIT(X55-313X-XX)(B/2 : BFF)
BPFI
CN501 C501
0.1u
8A
BPF(1.8M/3.5M/7M/14M/21M)
SELECT:0.0V
OTHER BPF SELECT:7.6V
NRLY
Q505
RT5N234C-T112
BPF(1.8M/3.5M/7M/14M/21M)
SELECT:3.15V SWITCHING
SURGE
OTHER BPF SELECT:0.0V
ABSORPTION
D502
MC2858-T111
L501
10u BPF SELECT:0.0V
BPF NO SELECT:7.7V
Q506
MBPF3 RT5N234C-T112
SWITCHING
SURGE
BPF SELECT:3.15V ABSORPTION
BPF NO SELECT:0.0V D501
MC2858-T111
L502
10u BPF SELECT:0.0V
BPF NO SELECT:7.7V
Q501
MBPF4
RT5N234C-T112
MBPF4
SWITCHING
BPF SELECT:3.15V SURGE
BPF NO SELECT:0.0V ABSORPTION
D503
MC2858-T111
L503
10u
BPF SELECT:0.0V
BPF NO SELECT:7.7V
MBPF6
Q502
RT5N234C-T112
MBPF6
SWITCHING
BPF SELECT:3.15V SURGE
BPF NO SELECT:0.0V ABSORPTION
D504
MC2858-T111
L504
10u
BPF SELECT:0.0V
BPF NO SELECT:7.7V
MBPF8 Q503
MBPF8 RT5N234C-T112
SWITCHING
BPF SELECT:3.15V SURGE
BPF NO SELECT:0.0V
ABSORPTION D505
MC2858-T111
CN535
L505
CN536 10u
BPF SELECT:3.15V
BPF SELECT:0.0V
BPF NO SELECT:0.0V BPF NO SELECT:7.7V
MBPF10
Q504
MBPF10
CN539 RT5N234C-T112
SWITCHING
8A
CN540
CN541
CN542
CN543
A B C D
TS-990S
PC BOARD
1
RX UNIT (X55-313X-XX)(B/2:BPF) Component side view (J79-0349-29)
2
1
2 NRLY
MBPF3
MBPF4
MBPF5
MBPF6
3 MBPF7 MBPF8
MBPF9
MBPF10
MBPF11
MBPF12
MBPF13
NC MBPF14
8A
NC
RX14
NC
GND
GND NC
14S 21
22
4
L506 L511
5
TC502
L521
6
7
RX UNIT (X55-313X-XX)(B/2:BPF) Foil side view (J79-0349-29)
8
9
C501
R514
L544
L571
C692
10
C685
C590
11
C646
C636
12
C645
C635
13
J79-0349-29 B/2
14
D E F G
K506 C688
0.1u
C561
0.01u
8A
L526
10u
D506
MC2858-T111
C532 7p
SURGE
TC502 10p ABSORPTION
BPF SELECT:5.3V
C537 47p
SWITCHING BPF NO SELECT:13.2V
L511 D511
C538
1000p HVC131
BPF SELECT0.6V
BPF NO SELECT:13.9V
R503
14S
L517
L530
MBPF5 10k
10u 10u
(1.8M)1.75~2.5MHz MBPF5
C535
BPF SELECT:3.25V
8p SWITCHING
BPF NO SELECT:0.0V
TC504 10p
Q507
LTC043ZEBFS8
BPF SELECT:5.1V
C543 56p BPF NO SELECT:13.2V
SWITCHING
L512 C544 D512
560p HVC131 BPF SELECT:0.3V
BPF NO SELECT:13.9V
BPF14S R506
L516
L533 MBPF7 10k
10u
10u MBPF7
C536 5p
(3.5M)2.5~4.1MHz
SWITCHING
TC505 10p BPF SELECT:3.25V
Q510
BPF NO SELECT:0.0V
LTC043ZEBFS8
C539 22p
C540 82p BPF SELECT:5.8V
SWITCHING BPF NO SELECT:13.2V
L513 TC506 D507
50p HVC131
BPF SELECT:0.3V
BPF NO SELECT:13.9V
R509
L519 L534
MBPF9 10k
10u 10u
C533 10p (7M)6.0~7.5MHz
MBPF9
TC503 10p
SWITCHING
2p BPF SELECT:3.25V
C541 C694 Q513
BPF NO SELECT:0.0V
LTC043ZEBFS8
C542 68p BPF SELECT:5.3V
39p
SWITCHING BPF NO SELECT:13.2V
L514 TC507 D508
L572
390n
25p HVC131
BPF SELECT:0.4V
BPF NO SELECT:13.9V
R504
L518 L531
MBPF11 10k
10u 10u
(14M)10.5~14.5MHz MBPF11
TC501 R532 SWITCHING
BPF SELECT:3.25V
Q508
0 BPF NO SELECT:0.0V
10p LTC043ZEBFS8
C545 22p
BPF SELECT:5.3V
BPF NO SELECT:13.2V
SWITCHING
L515 TC508 D509
10p HVC131
BPF SELECT:6.62V BPF SELECT:0.6V
BPF NO SELECT:13.8V BPF NO SELECT:13.9V
R505
L520 L532
MBPF12 10k
10u 10u
(21M)18.5~21.5MHz MBPF12
BPF SELECT:3.25V
SWITCHING
BPF NO SELECT:0.0V
Q509
LTC043ZEBFS8
BPF SELECT:5.8V
BPF NO SELECT:13.2V
SWITCHING
D513
RX14
HVC131
14S
BPF SELECT:0.6V
BPF NO SELECT:13.9V
R507
BPF SELECT:5.0V
BPF NO SELECT:12.8V
MBPF13 10k
MBPF13
BPF SELECT:3.25V
SWITCHING
BPF NO SELECT:0.0V
Q511
LTC043ZEBFS8
BPF SELECT:5.80V
SWITCHING BPF NO SELECT:13.2V
D510
HVC131
7.87V 13.88V 13.94V BPF SELECT:1.05V
BPF NO SELECT:13.9V
R508
MBPF14 10k
MBPF14
BPF SELECT:3.15V SWITCHING
BPF NO SELECT:0.0V
Q512
LTC043ZEBFS8
RX14
RX UNIT X55-313 (A/2)-CN22
E F G H I J K L
L526
C554
C587 C688
C707
K503 K504 K501 K505 C593
L538
K506
C708
D507
C588
C709
C586 L536
D510
L510 L541
L554
C699 TC515
C591
C589 C598 C604
C696
L542
C715 C617 C701
C626 C700
C618
C606 C702
L515 C601 C619
L581 C600
L547
L546
C716
C621
C620
L556 C614 C624
C611 C627
C603 C615
L555 TC510
TC512
C629
C622 L557
C640 L558
TC508
TC513 L553
C637
C659
C632
C654
L568 C666 C667 C668 C660
C655
C675 C656
C658
TC514 L561
C704 C650
C664
K512
C722 L577 D520
C721 C672
C676 C689
C718
TC516 C607
C679
K508 K509 K507 K510
L540
J79-0349-29 B/2
C687
Q504 Q501 Q503
Q511
C506 C502 C505 C504
L505 L502 L504 L503
L582
C625
C684
C531
C691
C508
L501
D502
C657
C670
C519
C631
CN543
C545 R532 C532
C639 L572
C552
C694
C695
C581 L532
L531
R523
L533 L534
C580 C579
C644
L517
L566 C634
L530
C686
L564
C577 C574 C576 C575
C682 L570
C681
R528 R529
H I J
BPFO
C680 CN534
0.1u
K512 C689
0.1u
L540
10u
C639 10p
BPF SELECT:6.1V
TC513 10p BPF NO SELECT:13.2V
C651 39p SWITCHING
D514
L555 C642 270p
HVC131
3.3u
(5M)4.1~6.0MHz
R523
33
R516
33
C631 9p
BPF SELECT:5.8V
TC512 10p C647 BPF NO SELECT:13.2V
C697
4p SWITCHING
120p
L553 C648 D515
L574
390n 2.7u
68p HVC131
(10M)7.5~10.5MHz
R518
33
R519
C700 33
C690 BPF SELECT:5.1V
BPF NO SELECT:13.2V
56p
C701 C652
18p
SWITCHING
3p 22p
D516
L576 L552 C643
330n 1.8u
27p
HVC131
(18M)14.5~18.5MHz
R520
33
R517
33
BPF SELECT:5.8V
BPF NO SELECT:13.2V
C596 C612 TC514
120p 120p 25p SWITCHING
C597 C613 D517
C587 C653 C672 C677 C679
0.01u 10p 10p 10p 33p 100p 120p 0.01u HVC131
L559 L568 L569
180n 180n 180n
(24M)21.5~26.5MHz
L584
680n
L539 R535 L566
10u 10u
22
BPF SELECT:5.8V
R510 R513
TC516 BPF NO SELECT:13.2V
33 68
C705
25p SWITCHING
10p
C593 C706 C604 C627 C649 39p C650 33p C671 D518
0.01u 56p 120p 120p 0.01u HVC131
L579 L567 L577 220n
150n 220n C704 BPF SELECT:7.0V
BPF NO SELECT:13.8V
9p
(28M)26.5~35MHz
L544 L564
R534
10u 10u
22
BPF SELECT:5.4V BPF SELECT:6.2V
R511 R514 BPF NO SELECT:12.8V BPF NO SELECT:13.2V
33
68 SWITCHING SWITCHING
SWITCHING
D521 C609 C641 C710 C713 C716 D522 D519
0.01u 68p 56p 0.01u
HVC131 68p HVC131 HVC131
40~46.5MHz
L582 R533 L583
2.2u 22 2.2u
R522 R526
BPF SELECT:6.2V
BPF NO SELECT:13.2V
33 68
C608 10p C630 10p
SWITCHING
TC509 C660 D520
C720 C594 TC511
68p 27p 10p 10p 27p
HVC131
(50M)46.5~60MHz
L545 L565
R521
100u 100u
22
R512 R515
33 68
M N O P Q R S
1
2
Ref. No. Address
D507 3L
3
D508 3K
D509 3L
D510 3L
D511 3J
D512 3K
4
D513 3I
D514 6I
D515 6J
D516 6L
D517 6J Component side
5
D518 6K Layer 1
Layer 2
D519 6I
D520 6L
Foil side
D521 3I
D522 6I 6
7
8
Ref. No. Address
D501 9I
9
D502 10L
D503 9K
D504 9J
D505 9H
D506 9C 10
Q501 9I
Q502 9K
Q503 9J
Q504 9H
11
Q505 9D
Q506 9L
Q507 9G
Component side
Q508 9F
Q509 9E Layer 1
12
Layer 2
Q510 9F
Foil side
Q511 9G
Q512 9E
Q513 9E
13
14
K L M
43
N O P