Text preview for : Konka U29AXT 29“ 34” AXT, AXT1, EXT1, AX.pdf part of KONKA Schematic
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29"
D
34"
AXTAXT1EXT1AX
DATA1 GIN DATA2 ARO ARIN ALO ALIN BIN SW 1 4 10 16
SERIES COLOUR TV BASIC CIRCUIT DIAGRAM
VOUT VIN RIN FB R
AV2
20 V L
CRT
BOARD
D L512 100U R513 3.9K R514 15K/2W R515 15k/2W R518 R512 220 2.7K/0.5W V514 BF422 L511 39U
SOCKET
C888 47p
C867 1u
R853 1K
R852 1K
75
R858 1K
R859 1K
GND1 R872 R875 75 75
V511 C2482
R868
GND1
GND1
C870 1u
C887 47p
R862 75
R860 22K
R861 22K
8V
GND1
GND1
GND1 C876 47 R854 22K R855 22K R511 470 GND1 GND1 VD511 IN4148 V512 C1815 C518 470P R517 680
C869 47
V851 C1815
V852 C1815
GND1 GND1
C872 10u
V850 C1815 C873 10u C801 1u R857 1K R869 68
C875 47
GND1
GND1
GND1
GND1
GND1
AV1-L
GND1 V513 BF423 R519 10K
G1
R G B
G2 G3
VE01 CRT
Y/VIDEO2 IN
VIDEO OUT
R867 1K
R871 1K
R866 1K
R868 1K
R870 220
R815 3.3K
R878 10K
R877 10K
R858 75
RIN
LIN
BIN
GIN
RIN FB
TUNER 5V
AGC VCC GND VT BU BH BL NC NC NC IF
GND1
C877 47P
VIDEO2 AV2-L AV2-R Rin R Gin 6 5 4 3 2 1 1 2 3 4 5 6 8V
L0
RO
GND1
GND1
GND1
GND1
R516 220
XS301
XP501
R531 22 C553 47u GND1 GND1
Bin Gin Rin
GND1
GND1
GND1
L522 GND1 100U
Icath GND
GND1 R101 4.7K R102 27K C101 47u C618 0.1 C106 0.01u C105 47u
R104 100
C107 0.01u
8V
G Bin B GND Icath
V521 C2482
R522 220
R523 3.9K
R528 2.7K/0.5W L521 39U
GND1
Z101 30.5M
R103 100
L101 1u
GND1 V102 c1815 C103
GND1
GND1
Z102 39.5M
GND1 R648 4.7K R672 4.7K
GND1
GND1
VD202
1 2 3 4
GND1
Icath 8V
C510 4700P/2KV
R524 15K/2W R525 15k/2W
IN4148 R111 22
R521 470
R649 4.7K
R647
R107 5.6K R110 470
L103 1u
C104 1u
4.7K
BH
N602 24C08
SCL 8 7 6 SDA 5
C551 4700p/500v
GND1 GND1 1u
GND1
GND1
VD521 IN4148 V522 C1815 R526 220 C528 470P
V524 BF422
H.V FOCOUS SCREEN
5V-2
1
SIF1
BL
GND1 GND1
R678 100
R677
V105 2SC388
C645 47u
C646 0.01
100
R629 4.7K
V605 C1815 GND1
GND1
IF
GND1 C108 0.01u
3 AGC.S.C GNDD 54
10K
R527 680
GND1 GND1 V606 R628 C1815 4.7K GND1
5V-1
C327 1u
V101 c1815
N301 STV2286
2 SIF2
FM CAP AUDIO OUT
56
R535 1.8K R224 V205 C1015 VD526 IN4148 R532 1.8K
V523 BF423 R529 L502 100U GND1 R504 15K/2W R505 15k/2W R503 3.9K R502 220 R508 2.7K/0.5W L501 39u 10K
55
GND1 R553 1.5k/0.5w
R108 1.2K
R109 22
GND1
GND1
C302
10U
4 Vr.IF VCCD 53
VD527 IN4148
GND1 R325 C326 0.01u C325 100u
5V-2
GND1 V534 A562 V501 C2482
VD553 S5295 GND1
C223 100u/16V
GND1 R113 10K 4.7K R669 4.7K R668 4.7K R613 33k R615 15k R612 33k C610 150P R601 3.3K
51 SYS1 SCL1 2
GND1 D102 IN4148
1 10 8 GND1
C303
5 AGC.P.C SDA 52
R533 470
C503 10U
33v
R663 4.7K R605 4.7k R604 4.7k R656 4.7K R602 100
52 VT SDA1 1
R117 2.2k
R603 100 R686 1k R650 100
50 SYS0 SDA0 3
V602 C1815
V104 C1815 GND1 R329 4.7K
R609
7
6
10K
8 TAGC
GND1 R321 R320 R318 8.2K 4.7K VD302 IN4148
GND1 GND1 GND1 GND1 GND1 R302 68 C304 0.33u
5V-2
LFB/ SSC HOUT
SC WOOFER H OUT
49
R626 4.7K V620 C1815 C620 47u VD525 IN4148 V533 A1015 R506 220 GND1 R530 R556
LO RO
R322
48
2.2K 10 1K
V502 C1815 V503 BF423 C508 470P R507 680 R509 10K R555 4.7K
V603 BH2369
C611 0.22u
C613 0.1u
C612 0.1u
4.7K
49
AGC
SCL0
4
C R667 4.7K
R682 100
48
C309 47U
C308 0.01
N601 SDA55XX SDA5550(TXT)
BU
AUDIO OUT
11
BCL/SAF AM/FM.O VccIF VCC1
BCL
46
GND1 GND1
V532 C2482
GND1
GND1
GND1
GND1
GND1
GND1
R685 1k
R687 100
R657
C305 GND1
0.01u
V OUT 10 GNDIF VERT 47
R304 1K
R319
220K
GND1 VD301 IN4148 VD440 1N4148
R554 10K
C552 220U/16V
GND1
GND1
R550 100K/0.5W
V601 C1815
R610 5.6K
C614 470P
L302 22u
R326
R552 10K
R664 4.7K
9
IFPLL
C550 10u/250V
R614 33k
7
PIF2
SLPF
50
VD501 IN4148
R551 4.7M/0.5W
R655 4.7K
2 8
C323 2.2u
R501 470
V04 BF422
Z101 K6274K
6
PIF1
SCL
51
C324 R323
4.7n R324 100
GND1
GND1
C117 0.01
GND1
GND1
R534 1.5K GND1
1U GND1
100
GND1
GND1
C
5
GND1
6
8 VEE
7 VEE
6 INH
5 1Y
4 3Y
3 COM2
2 2Y
1 0Y
L303 8.2u
R332 120
12
45
8V
47
R680 3.3k
R681 3.3k
V301 c1815
0.47u
R674 100
46 BH 7
0.22u
0.22u
0.22u
0.22u
C321 0.01u
R850 100
C849 5.6n
5.6n
45
BL
8 15 PIFLC1
X1/VAMP/ 42 CHROUT
C318
4.7n GND1
GND1
GND1 R337 330 R440 22K
C847
C846
C845
C844
C843
C842
C841
C840
C659 47u
C604 15P
C603 0.01
C658 47u
L606 22u
L604 22u
44
VDD3.3V
VDD2.5V
9
Z302 T6.5
3.3v
R330 330
C857
C856
L304
C848
R675 100
9
10
11
12
13
14
15
16
GND1 8.2u
R333 120
18n
22n
22n
18n
14
EXT. AUDIOIN
V308 C1815
0.47u
C320 47u
R305 1k
T301 TRF1062
C322 10u
SYS1
SYS0
3X
0X
COM1
1X
2X
VDD
Z301 T4.5
GND1
GND1
13
INTCVBS OUT CVBSO1 GND1
R338
44
100
R843 2.7K
R842 5.6K
R841 5.6K
R840 2.7K
VD524 8.2V GND1 GND1 GND1
1 GND 2 3 HEATER 4 5 200V
XP502
43
R317
16 PIFLC2 CLPF 41
27K
R.OUT
W.OUT
W.IN
L.IN
R.IN
MUTE
TRER
TREL
MINL
BINL
BINR
MINR
MUXR
SCL
GND
INR
INL
MOUTL
BOUTL
BOUTR
MOUTR
C615 0.01
C616 47u
C660 47u
C661 0.01
L603 22u
GND1
42 VDD2.5V VDD3.3V CVBSIN 1.2Vpp VDDA2.5V 11
GND1
L605 22u
17
VCC2
XTAL1
40
R606 L608 8.2u
330 R622 100 Z303 T6.0 C312 100u GND1
8V
C310
18 CVBS1 XTAL2 XTAL3/ BTUN OSDFB 39
Z305 3.58M
GND1
CREF AGND ROUT
LOUT
VS
R4
R3
R2
R1
L1
L2
L3
C311 0.01
R309 180
R308 220
L4
41
BLANK
12
SDA
GND1 R631 220
GND1
C654 GND1 0.1
GND1 L607 22u
0.47u
19 GND2 38
MUXL
N803
7 8
TDA7439
9 10 11 12 13 14
R201 10K
C204 2.2u/50V
1
2
3
4
5
6
7
8
9
VP
GND1
GND1
GND1
GND1
GND
43
VSS 0V
VSS0V
10
L305
Z306 4.43M
10
PGND
R336 470
GND1 8.2u
11
12
L.OUT
R335 180
R334 120
GND1
C319 0.1u
N201
16
TA8256BH
30
29
28
27
26
25
24
23
22
21
20
19
18
17
C211 470u/35V GND1 47u/16V C203 1u/16V C205 GND1
C657 0.01
C655 47u
C653 150p
R624 10k
2.5v
C207 2.2u/50V
C213 470u/35V
40
B
13
R617 4.7K
R205 7.5K
C209 1n
0.47u
0.47u
10u
10u
10u
100
39
G
VSSA
14
10u
10u
GND1 GND1 R646 68 R640 1k
GND1 R645 150 S601 MENU R644 220 S602 P+
GND1 R643 300 S603 CH-
GND1 R642 470 S604 V+
GND1 R641 820
GND1
C316
21 BSC ROSD 36
0.1u
R
4n7
VIDEO1
IN
C313 1u GND1
GND1
C202
R633 220 R635 220
38 R KEY 15
20
CVBS2
37
GND1 GND1 GND1 GND1
R209 2.2
Z304 T5.5
GND1
GND1
C317
0.1u
GND1
1 FB
2
3
4
5
6
15
GND1 C850 C864 C854 C852 C863
G
GND1 C201 2.2u/50V
L
C216 0.1 GND1 C214 470u/35V
S605 V-
R634 470
R636 470
R638 470
C668 100p
C667 100p
C666 100p
R632 470
C665 100p
S606 AV
R637 220
V302 c1815
Y/VIDEO2 IN
22
Y/CVBS3
COSD
35
37
VDDA2.5V VSSA0V
STATAV1
16
C314
C IN 23 SVHSC BOSD 34
0.1u
B
R851
GND1
TV-R AV1-R AV2-R AV2-L AV1-L TV-L
GND1 R688 1K
GND1
GND1
GND1
GND1
GND1
GND1 GND1 GND1 GND1
GND1 GND1 GND1 GND1 L602 22u C606 33p C663 47u C664 0.01
36 STATAV2 17
C851
C315
0.1u
C853
R203 10K
R215 7.5K
R314
24 5V-1 APR Icath 33
10K
Icath
GND1
35 XTAL2 18
R331 330K
C331 1u
VIDEO OUT
R313
25 BEXT ROUT 32
470
ROUT
GND1
C208 1n
L
R
C210 2.2u/50V
GND1
GND1 C218 10u/16V R206 1K R202 10K R210 2.2
C858 47u
L200
33
RST
VS
20
R824
BOUT
8.2K
1 8
8V
GND1
GND1
VD602 IN4148
VD601 IN4148
R654 4.7K
C608 1000P
R652 4.7K
R653 10K
R651 2k
C607 1000P
V607 C1815 VD605 IN4148
R616 4.7K R627 1K L601 22u
R658 10k
C628 10u
32 PAL/NTSC AV1 21
27
REXT
BOUT
30
C829
R816 10K
R817 10K
0.1u
GND1
31 MUTE AV2 22
GND1 GND1
GND1
GND1
28
FBEXT
NC
29
R341 20K
8V
3
+ 6
GND1 C823 0.1u
H.SYNC
V.SYNC
GND1
30
VDD3.3V
SERVICE
23
SER.
GND1 C826 1000P GND1
8V
GND1 C825 1u R821 51K R829 51K
R620 4.7K
C662 47u
C617 220P
R619 4.7K
R639 100
29 VSS0V IRIN 24
R212 2.2
R695 100
C822 47u
R825 10K
R823 8.2K
R340 100
C821 0.033u
2
7
47u
-
+
C830
R339 100
C336 0.1(M)
R826 6.8K
GND1
C206 0.1
R618 4.7K
GND1
GND1 GND1 C605 33p
Z601 6M
26
GEXT
GOUT
31
R327 100
C337 0.1(M)
R311 470
GOUT
GND1
GND1
W
TLN2026
R683 10K
34
XTAL1
HS/SSC
19
GND1 GND1
C859 0.1u
R328 100
C338 0.1(M)
R312 470
R
C217 1000u/35V
GND1
N804 LM4558
4 5
W
C430 470P/500V C215 0.1 GND1
BCL
GND1 R608 1K
GND1 GND1
28 STBY 25
R696 4.7k R670 560
POWER V.SYNC
GND1
GND1
R822 39K R457 0.68/1F
GND1
27 33V
WOOFER
26
R630 100
VD416 RU2
XS901 1
200V
N401
CRAMP CHOLD SYNC SCL SDA VCC
STV9306
EWSENS SENS1] BREATH EWOUT SENS2 VOPS F.B GND OUT
C824 0.022u R416 100k R452 10K GND1
B
3.3v 1
C428 10u/250V GND1 VD450 IN4148 R421 18K R401 1.8/2F C431 470P C420 10u/35V GND1 GND1 VD420 7.5V R422 12K GND1 HEATER
C954 47u/50V
R954 10K/1W
2.5v
C417 10u
3 1
VD936 33V VD918 IN4148
2 3
B
V604 A1015
3 2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C632 100u
R425 18K
C421 100u
2
2
1 3
2
C601 100u
R671 100 R660 4.7k
C454 0.33u
R684 2k
C631 100u
R411 68K
C468 1n
R412 220k
R413 4.7K
3 XS601
C626 47u
C627 0.01
R659 100
R454
LED
C438 100u
R426 20K
GND1
4
GND1
C456
C457 470u/35v
150P
8V
GND1
5v-1
GND1 GND1
GND1
GND1
H OUT 5V-1
R417 1/1W
R467 10/1w
C407 2200u
R459
R451 470/1w
GND1 VD942 IN4148
GND1
GND1
GND1
24V
GND1
C461 0.1
C450 47P
C452 47P
0.68/0.5W
GND1
GND1
V423 C1815
VD421 5.1V
R463 10K
R404 100
100
N603 HS0038A2 GND1
GND1 N606 LE25CZ
GND1
GND1 N605 LE33CZ
GND1
8V
GND1
V OUT
R450 100
C458 0.1u GND1
100u/35v VD403 S5295G
R414 2K
GND1
V422 A1015
GND1
R420 100
C455 GND1
XS401 4
GND1
GND1 GND1
GND1
V-DY 3
24V
GND1 R921 8.2M/1W
8V
R407 10/2w
C410 10u
1N4148
VD455
R424 0.68/1F
VD944 IN4148
14
HEATER
T901 BCK80-F02
L905
6
L406 790u
C427 470/500
2
8 24V
VD904 RGP30MT
C901 330/400V R901 4.7/10W C909 470 400VAC C904 470 400VAC C908 4700P/ 250VAC VC901 S60
7 3
R916 820K
R918 270K C918 5n6 C911 33n/630V
R905 15K/3W
(130V)
L906 300uH
B+
R468 560/1W C408 4.7u/50vNP
D0
H-DY
H.V
VD943 IN4148
H.SYNC
R462 4.7K/2W VD407 RU2
9
1
D0
R920 12K
R904 15K/3W
8
C924 470/2KV VD907 GND1
C923 220u/160 GND1 EGP20G C934 R941 10/1w
26V
N903 1
LA7805 0.1A
VD430 12V
GND1
SC
AFC
10
3
5V-1
VD431 IN4148 C936 220u
2
10u/25V GND1 GND1
VD454 IN4148 GND1 GND1
R423 4.7K/2W C429 2200u/35V L450 3uH C426 150p/2kv GND1 GND1
200v 2 6
T402
R0 R0
H.V
2 V901 2SK2828
VD901 RGP10MT R903 47
9
4
D0
FOCUS
L901 C902
AC
L902
L903
11 2
C905 4700P/ 250VAC
Sound
GND1
0.1/250V
5
R935 10K
C910 1n2/2KV C912 220/500
17 4
C401 1n5/1.6KV
6n8/1.6KV
C403 6n8/1.6KV
~250V
C903 0.1/250VAC 4700P/ 250VAC R915 15K/2W
7 6 16
4
V401 C2482
1
8
C913 47/50
R931 R906 68/3W R934 GND1
4 1
82K/1W RP901 2K
V904 C1815 GND1 V905 A910
8V
C405 22n
VD902 S5295G
GND1 R488 1k
C412 1200P/500V
GND1
VD402 BY299
GND1
C922 1u
R405 22/1w
C925 470/500V V902 A1015
C926 GND1 2200U/25
R930 1.5K
STANDBY
C937 10u
R923 1K
220u
GND1
GND1 V402 D2553
C414 56n/200v GND1
GND1
T3.15A/
F901
XS901 1 2
S901 SWITCH
RT901 30/T
1 2
XS902
R917 15K/2W R919 10K R914 220 R913 2.2K C931 0.1u R907 1k 3.9n C919 0.47/50 C914
1
L7808 2
C406 GND1 C413 0.12u/200V GND1 GND1 C409 GND1 390n/200v VD409 S5295G
C935 220u
VD903 S5295G C915 1u
C917 2n2/400VAC N902 PC817
3 N904
R406 470/2w L401 32u
GND1 VD914 6.2V VD915 1N4148
1K V906 A1015
GND1
GND1
GND1
R932 3.9K
XP901 AC250
XS903 DEGAUSS
3
2
GND1
GND1
GND1
GND1
GND1
GND1
C459 10u/160V GND1
10u/250v
R408
15k
A
R498 7.5K
TDA4605
R415 200
C906
VD941 IN4148
C907 4700P/ 250VAC
C404 1n5/1.6KV
C402
VC901 S60
N901
R902 4K7
GND1 R933 510
VD401 BY228
C916 0.22u
16V
3
1
2
C941
R403 2K/1W
T401 R0710
B+
3
7
L405
R410 12K
VD905 RG2
C928 470/500
C930 2200u/35V
N905 LA7805
R402 3.3k/5w C411 470P/500V
RPV0
1
R0
SCREEN
FOCUS
RPV0 D0
R940 10K
R0
SCREEN
5V-2
R409 10K/0.25W
A
41002643
1. To essure product's safety,please replace the component with ! symbol with the same model specification,as these components are important for product's safety. 2.Circuit are subject to change without notice.
Title Size A0 Date: File: 16-Feb-2004 Sheet of D:\PCB-SCH-FILES\..\25-29AXT.S01.sch Drawn By: Number Revision
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