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KV-20S90 / 21SE43C
A BOARD SCHEMATIC DIAGRAM 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
CN203 4P :ZZZ
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
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22
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B CLK
B DAT
A
V
AFT OUT DET OUT VCC 30V SAP LED ENABLE VCC 9V RF AGC OUT IF OUT VCC 9V DET OUT2 ST LED VCC 5V F MONO CLOCK DATA
B INT
E
V A
L
3
MODE
SMD
NC
NC
STEREO
MUTE
-- B -- C
V
R
L
V
L
R
J202 3P FRONT A/V
4
2
1
J201 3P REAR A/V
S OUT
R OUT
L OUT
OUT 2+
PGND 2
OUT 2-
OUT 1-
PGND 1
12
VI 1
VI 2
TP100
RF-AGC
C222 10 :CI C151 47 25V :CI
AUDIO
FSS BTF-WA412
R101 10k :ZZ-CP R204 75 :CHIP
R205 470k
C150 470 16V :CI L150
R150 100 :ZZ-CP
C205 1
C206 1
R206 470k
1
R202 470k :CHIP R294 0 CHIP
NC
TU101
2
3
4
5
6
VC 2
5
S GND
1
10
15
20
25
VC1
VCC
IC401 TDA7057AQ/N2 AUDIO AMP
7
8
9
10
11
TP102 DET OUT
C101 4.7 :CI MAIN R252 470 :ZZ-CP
VIDEO
C204 10 25V
R291 4.7k Q252 2SD601A AGC
:CHIP
TP101
R151 100 :ZZ-CP
L151
VIDEO
:CHIP
R293 10k
Q390 2SD601A-QRS-TX BUFFER
9V
Q205 2SB709A BUFFER :0B
R254 100 :ZZ-CP
R251 470 :ZZ-CP
D209 MTZJ-T-77-10B :40
C228 10 :CI
D203 MTZJ-T-77-10B :40
D204 MTZJ-T-77-10B ESD
D201 MTZJ-T-77-10B :40
C201 1 :CI
C202 1 R201 470k :ZZ-CP
AUDIO
AUDIO
OUT 1+
13
C221 470 25V :CI R239 220 :RD R240 1k :RD
D202 MTZJ-T-77-10B ESD
R230 10k :CHIP PS201 C216 0.47 R234 3.3k :CHIP C214 0.22 R268 * :CHIP
TP400
AUDIO VCC
C220 470 25V R237 220
C203 0.001 B:CC-CP
R295 0 CHIP R289 0 CHIP C236 0.01 CHIP
GND L-OUT V+ V2-L
R288 0 CHIP
IC200 NJM2521M-TE1 R-SWITCH
TV-R S1 V1-R S2 GND R-OUT V+ V2-R
AUDIO
R238 1k C218 470 25V :CI
C160 100 16V :CI
--
30V
L160 :CHIP
1
8
4
5
R390 100 CHIP R391 1k R096 2.2k CHIP
C232 1 :CI
IC201 NJM2521M-TE1 L-SWITCH :HT
R297 100
AUDIO
CN402 2P :ZZZ
1
JW203 (7.5MM)
1
8
AUDIO
SP L + SP L SP902
(L/MONO)
2
7
2
3
TV-L S1 V1-L S2
6
2
SET-5V
7
AUDIO
C219 0.1 :CQ R231 10k :CHIP
AUDIO
R298 100
3
6
AUDIO
4
5
D
SET-5V
AUDIO
C234 10
R235 3.3k :CHIP C215 0.22 :CI
R269 * :CHIP
C217 0.47 :CI
HEADPHONE JACK :HJP-S
J400
D205 MTZJ-T-77-30D :40
9V
R242 22k
C233 V1
1
TV R
-- E --
C226 4.7 160V :CI
R243 33k VO
VIDEO
R290 100 :ZZ-CP D208 MTZJ-T-77-10B :40
AUDIO
1
SP R + SP R CN401 2P
SP901 (R)
V2 TV TV 12V
SET 9V R253 15k 2W :RS C653 47 25V :CI R086 10k :ZZ-CP
12V
R256 4.7k :RD
R257 10k :ZZ-CP
Q203 2SB709A MUTE :0B
2
9V
C243 0.0047
VOL 5V
2SD1292-T103 5V REG
C651 100 16V :CI
9V Q650
R085 10k :ZZ-CP
AUDIO VCC
VOL 5V R329 100
HP
VP
HP 9V
HP
Q301 2SB709A IK BUFFER :0B
R356 2.2k :ZZ-CP R347 680 :ZZ-CP C390 0.1 :CQ C330 680p B:CC-CP
Q302 2SB709A IK BUFFER :0B
R322 10k :ZZ-CP
R650 680 :RD
R321 6.8k :ZZ-CP
+B
+5V
Q001 2SB709A-QRS-TX H SYNCH SEP C006 0.047 R077 100k CHIP
F
D650 MTZJ-T-77-5.6C :40
R400 22k D403 1SS133 C418 10 :4A R433 12k L302 :CHIP R432 12k D434 1SS133 C312 1000 25V C311 0.01 B:CC-CP C376 47 25V :CI
C320 0.47 R319 10k :ZZ-CP
D302 MTZJ-T-77-5.1C :40
C007 220p CH
R076 1M
-- G
TP602 SET-5V
R075 10k CHIP R092 1k CHIP R078 1k CHIP Q002 2SD601A HP R008 220 :ZZ-CP R099 4.7k :RD C001 220p CH:CC-CP
IC001 M37273MF-255SP
R055 220
R030 10k :RD
C077 100p CH:CC-CP
C321 470pF
9V
CONTROL TUNING SYSTEM I-HP I-VPN O-VOL O-ADJ O-MUTE O-RELAY 0-AGCMUTE 0-SPSW O-CHBLK1 O-V0 O-V1 I-RMCN O-DGC I-POWERN O-VMLV I-HSYNC I-PROT O-LED I-AVCC I-HLF I-VHOLD I-CVIN I-CNVSS I-DSC O-OSC Vss 2 O-R O-G O-B O-OSDBLK NC 0-ANTSW 0-BBE/MB I-SSW 0-MONO I-STEREN O-SAP O-YM 0-HSYNCSW IO-SCLKN IO-BCLKN 1 IO-SDAT IO-BDAT 0-MARKER I-AFT I-KEY I-AFT2 I-BINTN I-RESET 0-SRS2 O-SRS1 Vcc
R G B
C375 0.1 25V F:CC-CP
VIDEO
STBY+5V
C078 470p B
R025 R026 R027 R028 1k CHIP
5.6k 5.6k 5.6k
:RD :RD :RD CHIP :4A R070 4.7k R241 4.7k R071 4.7k R089 680 :ZZ-CP R087 680 :ZZ-CP R057 R058 4.7k 4.7k
52
:ZZ-CP
R007
100
:ZZ-CP
C013 C011 0.001 B:CHIP
220p
CH
C027 220p CH:CC-CP R010 220 220 220 10k :CHIP :CHIP D004
R330
R331
SDA
SCL
GND2
EYIN
VCC1
R2IN
HP/PROTECT G2IN
B2IN
R1IN
G1IN
XTAL1
XTAL2
XTAL3
TV/C2
CVBS1/Y1 APCFIL
ABLFIL
EB-YIN
ER-YIN
YUVSW
R284 0
D210 MTZJ-T-77-10B
R009 220 :RD R072 220
R051 R011 R091
:ZZ-CP
AUDIO VCC
YCLAMP CVBS2/Y2
VCC2
R280 75 :ZZ-CP
C200 10 25V :CG
9V
MONOUT
COMB C
COMB Y
APED
VTIM
GND1
IREF
IKIN
ROUT
GOUT
H -- I
7.5V
D001 MTZJ-T-77-5.1C :40
R050
10k
:RD R093 4.7k
C062 0.0022 B:CC-CP R013 22k C014 :RD 0.1 C055 25V B:CC-CP CHIP
BOUT
VD+
VD-
REG
SCP
100p
C074 CH:CC-CP R044 220
C1
EW
VM
R004 :ZZ-CP R045
10k
HD
R002 10k :RD
ABLIN
1SS133T-77
AFCFIL
C301 18p CH:CC-CP
IC301 CXA2133BS Y.CHROMA.JUNGLE
YS2/YM
10
B1IN
11
12
YS1
9V
--
C072 220p CH:CC-CP
:ZZ-CP
SDA
X301 :SV
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
0.01
31
0.01
30
0.01
12V
R001 10k CHIP
Q003 2SD601A HP
100
470p
R088 680 :ZZ-CP
3
C319 4.7 :CI
:CHIP
C374 470 16V :CI
C373 0.1 25V
100
C028 B:CC-CP
C050 100p CH:CC-CP
D003 1SS133T-77
R301 0 :RT
L301
C318 B:CC-CP
C317 B:CC-CP
L001
C316 B:CC-CP
B
:ZZ-CP
R097 10k
R G
1 2
R G
51
C060 470p B:CC-CP
50
3 4 5 6 7 8 9 10 11 12 13 14 15
B
49 48 47 46 45 44 43 42 41 40 39 38
R316 100 :ZZ-CP
29
28
27
26
25
R383 2.2k :ZZ-CP
R384 2.2k :ZZ-CP
R385 2.2k :ZZ-CP
9V
R312 B 220 :ZZ-CP R353 0 :CHIP
1
4.7k R324 4.7k :RD VP C303 10 :CI
2
3
4
5
6
7
8
9
C305 0.1 25V B:CC-CP 10k
10
11
R306 10k :RN-CP
12
13
14
15
16
17
C308 10 :CI
18
19
20
21
22
R
23
G
24
R032 R046 R033
220 220 220
:ZZ-CP :ZZ-CP :RD
C005 1
R074 10k CHIP 220 CHIP :CHIP C046 47 25V :CI
100p
6
R047
4.7k
5
7
9 8
C309 0.01 CHIP R315 220 :RD R307 4.7k :CHIP C310 1 :CI C314 0.001 CHIP R313 220 :RD R314 220 :RD
R304 :ZZ-CP
Q392 2SB709A BUFFER :0B
B
Q393 2SB709A BUFFER :0B
Q394 2SB709A BUFFER :0B
TO C BOARD CN1752
5
B G R
16 17
37 36
E B G R 1K
CN301 5P :S-MICRO
R005 L003
R040
470
:RD
R003 R018
220 1k
:ZZ-CP :RD R049 :ZZ-CP 10k :ZZ-CP
R038 C017 1 :CI
VIDEO
1k
:ZZ-CP C048 0.001 B:CC-CP
R019 4.7k :RD C039 10 :CI
4
C306 0.1 25V B:CC-CP
Q300 2SD601A-QRS-TX HP PROTECT :1B
4 3 2 1
18 19 20
35 34 33
BLUE OUT TP300
G R 9V D310 R323 MA111-TX 680 D311 MA111-TX
C047 220p CH:CC-CP R016 470 :RD
C065 1000p B:CC-CP
R048 100 :ZZ-CP
47k
100
R255 :ZZ-CP
21 22
32 31
C020 0.1 :CQ
R017 470k :ZZ-CP
560p X001
C019 CH:CC-CP
R054
--
C092 15pF CH:CC-CP C091 15pF CH:CC-CP
R031 680 :ZZ-CP
D038 MTZJ-T-77-5.6C :40
C038 470 25V :CI R056 4.7k
C034 0.022 B:CC-CP
IC003 M24C08-MN6T(A) MEMORY
AO VDD A1 A2 B-CLK VSS B-DAT
R310 1k :ZZ-CP
1
8
2
7
3
6
4
5
23 24 25 26
C037 0.0022 B:CC-CP
30 29 28 27
R065 220 :ZZ-CP
Q391 2SD601A BUFFER :1B Q305 2SB709A BUFFER :0B
VIDEO
VIDEO
L002 :CHIP
R393 1k :ZZ-CP
R392 100 :ZZ-CP
C313 0.01 B:CC-CP
R308 220k R311 JW (5MM)
D301 MTZJ-T-77-8.2B R325 100k R317 2.2k Q303 2SC3311A BUFFER
R318 10k
+B
R309 22k
:RD
J
+B
R043 1k :RD
D002 LED UNIT STAND-BY/TIMER
R066 220 :ZZ-CP
V OUT
R394 100 D320 UDZ-TE-17-5.1B
CN501 6P :ZZZ
6 5
H.DY
H.DY
V.DY
V.DY
9V
TP507 V MID
TP508 20
V DY + V DY H DY H DY H DY + H DY +
VIDEO
VIDEO
4 3 2
TP001
S001 POWER PU-Z R021 680 :RD S005 VOL:PU-Z S004 VOL+: PU-Z R022 820 :RD S003 CH:PU-Z R023 2.2k :RD S002 CH+: PU-Z R020 6.8k :RD S006 TV/V :PU-Z R090 10k :RD S007 DEMO PU-Z
12V
8 7
N/C
9V
9V R508 150 1W D502 RGP10GPKG23 +B C509 330p 2kV :CC C505 2000pF 1.2kV C508 0.015 200V :CA JW510 (12.5MM) JW511 (12.5MM) C507 3900pF 1.2kV
--
1W
OUTPUT
RESET
GND
Q670 2SD774-T-34 RELAY DRIVER
6
5
H OUT TP506
21
1
N/C
N/C
STBY+5V
INPUT
R670 2.2k
IC002 NJM78LR05BM-TE2 STBY 5V
L503 3.3mH C692 47 25V :CI
+B
K
3
CD
1 2
+B NC 200V NC E HEATER
IC004 SBX3081-71 SIRCS
2 1
R671 1k
C633 47
1
2
3
4
22
R675
7.5V
C690 0.47 :CI
-- L -- M
JW690 (5.0MM) RY602 JW691 (5.0MM) R060 JW (5.0MM) C004 47 25V :CI
R061 JW(5.0MM) C644 0.0047 250V E R073 3.3 SYBY+5 R602 D631 ERC04-06S Q607 2SK2845-LB102 CONVERTER 4.7 R608 22M 1/2W R609 2.2k C648 0.001 500V B C645 0.01 250V D633 ERA22-08TP3 T604 R603 470k +B
C691 470 25V :CI
AUDIO VCC
C693 0.47 :CQ
D501 ERC06-15S D572 1SS133T-77 TEMP CORR :4A
R578 56k 2W
C511 0.33 250V
C556 0.0022 B R568 1M Q556 2SD601A-QRS-TX BUFFER L504 R566 15k R560 68k :F R559 150k
+B
D552 RGP10GPKG23 :4G
R552 220k :RD C553 10 250V :CI
C552 220p 500V B:CC
T504
FBT
TP504 180V HV
3 4 5 6
C643
0.0047
250V
E
C576 33 160V :CI
R553 47 1/2W :RD L591
1
4
R591 10 2W
200V
CN502 6P :S-MICRO
HV
20V ONLY 115V
DRIVE-
R643 4.7k R682 4.7k
R683
2.2k C646 10 450V R617 680 D634 1SS133T-77 R614 10k R611 47k D635 1SS133T-77 C650 0.001
3
10
C502 0.015 200V :CA
VCC+
REF
VCC-
3 2 1 14
C504 470p 500V B:CC
6
R504 JW (7.5MM)
BOOST
DRIVE+
D632 ERC04-06S
R502 4.7k 3W
T501 :HDT
16
Q502 2SD2624 H OUT FB501 0.45UH :E R548 4.7k :RD
D573 MTZJ-T-77-8.2B HOLD DOWN :40
STBY+5V
2
R633 33k :RN
TO C BOARD CN1751
IC541 AN5522 V OUT
:HN
1
R579 620 :ZZ-CP
220p
C561 500V
B:CC
R567 4.7k
R565 22k
R571
1 2W
:RS
:F
OUT
17
18
19
D571 1SS133T-77 :4A
C571 R574 1k 22 :CI
2 FV
FOCUS (20V ONLY)
C591
0.01
100V
Q606 2SD1292-T103 PROTECT
+B
4 11
D636 AUDIO VCC
C613 * R698 *
S
C647
470p
C626 0.47 :CI
4
15
1
2
C541 220 :CI
3
4
5
6
7 TP501
R542 10k :RD R541 4.7k :ZZ-CP
R612 680 Q608 2SC3311A-QRSTA SW R616 6.8 1/2W C614 0.001
Q501 2SC3209LK-TP H DRIVE :1B
R632 10k
C562 470 25V :CI
7 G2
D561 RGP15GPKG23 :4G
R561 1 1W R575 330k :RD
G2 (20V ONLY)
115V
5
R610 C656 22 1k D638 D1N20R-TA
9
13 TP500 H.DRIVE
R543 10k :RD
R546 470 2W :RS
-13V
R572 2.2k
R573 470k :RD C563 0.0047 200V R562 1 1W
8
9
ABL
D601 D3SB60F
R664 *
6
8
C654 330 R640 47k C611 0.001 2kV FB611 1.1UH C634 100 160V R637 10k R639 47k Q602 2SD601A BUFFER
TP601 SET+9V
R501 2.2k :RD
R544 4.7 2W :RS
C543 0.22 :CQ C542 47 :CI R547 2.2 :RD
D541 GP08DPKG23 :4A
D581 1SS133T-77 :4A
R577 18k
R576 100k :RD
+13V
Q571 2SA1091O-TPE2 OCP :0B
D670 1SS133T-77
D637 MTZJ-T-77-6.2C
R672 5.6k 3W R661 5.6k 3W R688 5.6k 3W R660 0.47 1/2W C616 * R658 * D609 * C617 * FB600 1.1UH C618 680p 1.5kV
1.1UH
T603 *
9V
Q605 2SD2137-OP-TA 9V REG :1D
C629 100 25V :CI
10k
R549 :ZZ-CP
TP502
+13V
R533 47k R583 100k :ZZ-CP R584 10k :ZZ-CP C573 4.7 :CI R582 68k :CHIP R534 22k
C564 470 25V :CI
D562 RGP15GPKG23 :4G
0
11
H
6
R535 100k :RD
-- N --
R635 10k
0
5
H
2
14
R652 * R659 1.8 10W C602 4700pF 250V C603 4700pF 250V * 125V C604 * 250V C605 * 250V
D653 RU4AM-T3
C630 0.01 B
R636 4.7k R649 470 :RD R641 4.7 3W :RS
+B
R580 0
IC601 * CONVERTER
4
15
D616 S3L20UF4 FB605 1.1UH
L200 JW(5mm)
+B 12V
R662 0.47 R679 470
C638
R638 22k
12V
TP503 H.PROT
R532 4.7k :RN
C531 0.068 200V :CA
WHEN REPLACING T504 BE SURE TO CHECK THE VOLTAGE VALUE AT (TP503). REFER TO THE SAFETY ADJUSTMENT SECTION.
5
4
3
2
1
3
13
C657 680p 500V B
4
T601 :LFT
1
R651 *
FB601 1.1UH R657 3.3k D603
R644 1.2k
5
D614 R647 33 1/2W
11
D617 S2L20UF
C631 2200 16V FB606 1.1UH
D611 MTZJ-T-77-10B :40
R582 SEE PAGES 14 AND 15
IC521 NJM4558M-TE2 V HOLD OUT :HA
1 8
OUT1 +VCC
C574 4.7 160V :CI
D574 EGP20DPKG23 :4G
3
2
D615 D613 R655 0.22 2W
FB602 1.1UH
C620
R620 2.2M 1/2W C601 0.47 125V
470p
R674 680
7
12
C623 0.01 C641 680p 500V
THP601 *
FB604
C628 100 25V
R663 1 2W
C621 470p
R656 1.5k
8
C622 0.001 FB609 0UH
10
3 1 2
C632 1000 25V
R623 10k
R626 100k :RN
2
7
IN-1
OUT2
3
9
PH600 PC123FY2
AUDIO VCC
R634 1k R648 2.2k
6
IN+1
IN-2
R585 33k
C577 0.47 :CI
C575 0.01 B:CC-CP
R586 6.8k CHIP
Y/C/J POWER SUPPLY DEFLECTION TUNER/IF AUDIO
O
F601 *
VDR601 *
RY601
4
1
R625 2.2k :RN
4
D602 1SS133T
12V
3 2
5
-VCC
IN+2
--
TO AC CONNECTOR
CN601 2P
2
2
1
1
Q601 2SC3311A SW :1B
IC602
:RD
MTS
R631
10k
:RD
R630
2.2k
ERROR AMP :HD
TO
BA4D-905-A
AC
P
AC IN
DGC DGC
--
-- 23 --
AC
DGC
DGC
DGC
CN602 2P