KONKA AXT1, EXT1, AX, CX Schematic
4321
14" 21" AXT1、EXT1、 AX 、CX SERIES COLOUR TV BASIC CIRCUIT DIAGRAM
D
TUNER 5V
NC
IF
GNDNCNC
VCCB2B1
NO USEDVTAGC
R101
4.7K
R648
4.7K
BH
CIRCIRCIR
BL
33v
R614
33k
C613
0.1u
GND1
C
R634
R632
470
GND1
R658
1K
33V
B
AC
INPUT
R61515k
R613
R612
33k
33k
C612
0.1u
C611
0.22u
V603
BH2369
GND1
GND1
470
470
R636
V607
A1015
C618
47U
R673
390
VD619
GND1
IN4148
GND1 GND1
L604
22u
L603
22u
R631
220
R633
220
R635
220
R637
220
470
R638
GND1GND1GND1
R6164.7K
XS601
C667
C668
100p
L602
22u
C663
47u
GND1 GND1
R618
4.7K
R627
1K
L601
22u
R619
4.7K
1
2
3
GND1
4
470/400VAC
2
1
2
1
R102
27K
C101
VT
V101
c1815
GND1 GND1
C1815 V605
C610
150P
R601
3.3K
R610
5.6K
C614
470P
GND1
R682
100
R665
3.3k
C659
47u
C660
47u
GND1 GND1
C666
100p
100p
GND1GND1GND1GND1
C664
0.01
R620
4.7K
GND1 GND1
R684
2k
LED
5v-1
GND1
GND1
C904
RT901
18
0.10/AC250
47u
GND1
GND1
R672
R649
4.7K
1k
C103
1u
GND1 GND1 GND1
V606
R666
C665
R628
GND1
4.7K
R668
4.7K
R669
4.7K
VT
SYS1
51
R686
1K
SYS0
50
R685
1K
49
AGC
N601
SDA55XX
48
SDA5550(TXT)
BU
47
3.3k
R674
100
BH
46
R675
100
BL
45
VDD3.3V
44
C604
15P
VSS 0V
43
GND1GND1
VDD2.5V
42
C661
0.01
BLANK
41
B
40
G
39
R
38
37
100p
VDDA2.5V
VSSA0V
36
C606
GND1
33p
XTAL2
35
XTAL1
34
Z601
GND1
C605
6M
33p
RST
33
C628
0.1
PAL/NTSC
32
GND1
MUTE
31
VDD3.3V
30
VSS0V
29
C617
220P
C662
47u
GND1
STBY
28
R608
1k
27
21
3
HS0038A2
GND1
C627
0.01
C626
47u
R659
100
GND1GND1
C909
470/400VAC
C902
L902
C903
0.10/AC250
S901
F901
T2A/250V
c1815
N603
L901
VDD2.5V
VDD3.3V
VDDA2.5V
STATAV1
STATAV2
SERVICE
CVBSIN
1.2Vpp
HS/SSC
WOOFER
V102
c1815
GND1
SDA152
SCL1
SDA0
SCL0
VSS0V
VSSA
KEY
VS
AV1
AV2
IRIN
R671
100
GND1
R103
100
L101
1u
GND1 GND1
5V-2
C105
C104
1u
R647
4.7K
R629
4.7K
R602
100
R605
1
R603
100
2
R650
100
3
R687
100
4
5
GND1
6
7
8
9
C603
0.01
10
GND1
GND1
GND1GND1
11
C615
0.01
GND1
GND1
C654
12
0.1
13
C657
0.01
GND1 GND1
14
R646
GND1
68
15
R640
1k
16
17
R625
4.7K
18
R626
4.7K
19
20
21
R654
4.7K
GND1
GND1
22
R623
4.7K
23
R621
4.7K
24
R639
100
25
26
GND1
R660
4.7k
VD908
C908
CHR208
4700P/500V
C907
4700P/500V
VD910
CHR208
GND1
N602
47u
C106
0.01u
GND1
R656
4.7K
4.7k
R604
4.7k
SYS1SYS03X0XCOM11X2XVDD
910111213141516
L606
22u
C658
47u
L605
22u
C616
47u
L607
22u
C655
47u
R644
R645
220
150
S601P+S602P-S603V+S604V-S605
C608
1000P
VD602
IN4148
V604
A1015
VD909
C906
CHR208
4700P/500V
C905
4700P/500V
VD911
CHR208
R915
15K/2W
24C08
8765
C646
C645
47u
GND1GND1
GND1
R663
4.7K
V602
C1815
R655
4.7K
R664
4.7K
V601
C1815
C4052N302
R335
180
3.3v
R606330
L608
8.2u
R624
10k
R617
C653
150p
GND1 GND1
R641
R642
R643
820
470
300
MENU
GND1GND1GND1GND1GND1
R652
4.7K
R653
10K
C607
1000P
VD601
GND1
GND1
IN4148
R670
4.7k
N606
LE25CZ
2.5v
C631
100u
GND1 GND1 GND1
R901
5/270V
220/400V
C916
0.1
R917
15K/2W
SCLSDA
0.01
4.7K
GND1
GND1
R651
V.SYNC
H.SYNC
C901
SHVSAV2
CY
C874
47P
R86475C871
0.01
GND1
GND1
8V
8V
C873
47P
C870
1u
R862
R689
10K
R690
10K
R680
10K
R679
10K
Y/V1 IN
V609
C1815
V608
C1815
V605
C1815
V604
C1815
GND1
GND1
4321
R677
100
R678
100
R329
4.7k
R609
4.7K
R657
4.7K
12345678
0Y2YCOM23Y1YVEEVEEINH
C339
0.01
GND1
R622
100
2.5v
S606
AV
2K
L303
3.3u
GND1
L3043.3u
GND1
L3053.3u
GND1
Z304
T5.5M
GND1
3.3v
N605
LE33CZ
123123
C632
100u
GND1
5V-1
R916
820K/1W
R920
12K
N901
TDA4605
R914
220
23
81
R913
2.2K
C931
0.01
7
4
Y/V1 IN
8V
R111
22
C107
0.01u
5V-1
R113
10K
V104
C1815
P
N
5V-1
5V-2
Z301
T4.5M
Z302
T6.5M
Z303
T6.0M
VD423
IN4148
power
C601
100u
5V-2
GND1
C941
220u
GND1
R918
270K/1W
C918
5n6
R903
47
5
6
R919
10k
C919
2.2u/50V
75
GND1
GND1
470
R107
5.6K
L103
1u
R110
IF
V105
C108
2SC388
0.01u
27
R109
R108
1K
GND1
GND1
D102
IN4148
1
K2959M
2
R117
2.2K
GND1
GND1
GND1
GND1
R348
100
L302
22u
R332
120
V301
c1815
R333
120
R330
R334
GND1
120
8V
C311
0.01
C312
100u
GND1 GND1
V2 IN
L/R IN
Y/V1 IN
C IN
BEXT
R328
100
GEXT
R327
100
REXT
R339
100
FB
R340
100
N905
LA7805
321
GND1
R902
4.7K
C913
47/50
V302
R309
180
C3380.1(M)
C3370.1(M)
C336
0.1(M)
R936
4.7/2w
R905
15K/3W
R904
C911
15K/3W
33n/630V
VD901
RGP10MT
C910
821/2KV
V901
D4N60C2
C912
221/500V
VD902
S5295G
R906
68/3W
VD903
S5295G
C915
1u/50V
R907
1K GND1
SW
10
Z101
GND1 GND1
GND1
330
c1815
T901
L903
R863
1k
GND1
C119
0.01
GND1GND1
3
678
C328
R305
1K
C IN
C118
47u
GND1
4
5
R3021k
0.1u
T301
TRF1062
R308
GND1
14
11
17
16
C914
4
32
V850
C801
1U
R870
220
R857
1K
V OUT
GND1
STV2248CN301
A OUT
SIF1
1
SIF2
2
AGC.S.C
3
C302
10u
Vr.IF
4
C303
AGC.P.C
5
GND1
1u
PIF1
6
C117
0.01
PIF2
7
TAGC
8
IFPLL
9
GNDIF
10
C305
1000p
C304
0.47
GND1
GND1GND1
11
AM/FM.O
VccIF
12
5v
C309
47U
C308
0.01
INTCVBS
13
OUT
GND1GND1
EXT.
14
AUDIOIN
PIFLC1
15
PIFLC2
16
VCC2
17
C310
CVBS1
18
0.47u
220
GND2
19
CVBS2
20
C313
1u
BSC
21
GND1
Y/CVBS3
22
SVHSC
23
APR
24
25
BEXT
R331
330K
C331
1u
GND1GND1
26
GEXT
27
REXT
FBEXT
R341
20k
C917
2n2/AC400V
R921
GND1
8.2M/1W
6
8
GND1
2
4
7
GND1
39n
1
N902
PC817B
VOLORO
C872
1u
R869
47
C1815
GND1
BCL/SAF
CVBSO1
X1/VAMP/
XTAL3/
L905
V902
A1015
GND1
AUDIO
CHROUT
OSDFB
Icath
470/1KV
VD914
6.2v
VD915
1N4148
XTAL1
XTAL2
C924
R815
OUT
GNDD
VCCD
SLPF
LFB/
HOUT
VERT
VCC1
GND1
CLPF
BTUN
ROSD
COSD
BOSD
ROUT
GOUT
BOUT
BYV262E
470/500
CAP
SDA
SCL
SSC
VD904
470/500
FM
5v
NC
VD907
S5295G
V851
C1815
3.3k
R871
1K
R867
1K
GND1
56
55
54
GND1
53
52
51
50
R322
49
2.2K
R326
48
10
R319
47
1K
46
45
44
43
GND1
C3184.7n
42
41
R31727K
40
39
38
C3170.1u
37
36
35
34
R31410K
33
R313470
32
R312
31
470
30
R311
2928
470
GND1
C923
100u/160v
C930
RU2
1000u/25V
C928
VD905
1000u/25v
C925
R930
1.5k
68k/1W
GND1 V906
A1015
R821
5V-2
C327
1u
GND1
GND1 GND1
GND1
C3244.7n
R323
10K
R338
100
GND1
C319
0.1u
Z306
4.43M
Z305
3.58M
GND1
C3160.1u
C3150.1u
C3140.1u
Icath
ROUT
GOUT
BOUT
33V
VD936
VD918
IN4148
GND1
GND1
C926
GND1
R931
RP901
1k
R934
1k
R932
3.9K
GND1
V802
A1015
10K
C326
0.01u
C329
0.1u
C323
2.2u
R3218.2K
R3204.7K
R318220K
C322
10u
GND1 GND1
R349
GND1
GND1GND1
L906
60uH
GND1
AV1AV OUT
V1R1L1
R8591KR858
1K
1u
C850
R861
22K
GND1
R819
1K
R818
1K
R874
10K
C325
100u
SDA
SCL
GND1
8V
C321
0.01u
47K
C954
47u/50V
108V
18V
L/R
L30 6
22u
100
100
R324
R325
VD302
IN4148
VD440
VD301
1N4148
IN4148
V308
c1815
R337
C320
330
47u
R351
VD351
10K
IN4148
VD350
R350
IN4148
2.7k
FB
R
G
B
R925
15K/2W
STANDBY
R935
4.7k
13V
R933
1k/0.5W
VD916
C920
1u/50V
IN4148
V904
R924
C927
47u
C1815
47K
GND1
GND1
FRONT AV
R2L2V2
75
C868
47P
GND1
C8631uR854
1u
10K
V2 IN
N903
LA7805/0.1A
31
2
C936
220u
GND1
R940
10K
V905
A910
R8521KR8531KR856
22K
GND1
XS501
1
XS501
Icath
Icath
BOUT
GOUT
ROUT
SOUT
R926
220/1W
2
GND1
N904
L7808
Icath6Icath
1
8V
2
3
GND1
4
BIN
5
Gin
Rin
GND1
IN+SVRIN-MUTETRAPVccOUT
87654321
C204
2.2u
R206
10K
GND1
R205
1K
VD201
1N4148
POWER-OFF MUTE
8V
31
C935
220u
GND1
V401
2SC2482
GND1
C867
R820
10K
V801
R873
A1015
1u
C808
SANDCASTLE
H OUT
V OUT
BCL
R336
470
GND1
22K
R440
5V-1
GND1
VD422
IN4148
R951
6.8/2w
R923
1K
C937
10u
GND1
GND1
XP501
C206
2.2u
C209
1000P
R208
10k
V201
A1015
GND1
H-DRIVE
R415
R403
1
8V
2
3
GNDGND
4
Bin
5
Gin
6
Rin
N201TDA1905
C210
470u
C411
1K
1n2/500
C412
4.7K/0.5
220/500
GND1
GND1 GND1
CRT BOARD
GND1
C211
2.2u
C201
47u
GND1
GND1
V202
56n/200
R531
22
C1815
R402
3.3K/5
R0710
C413
R202
1k
MUTE
T401
C553
47u
GND1
R532
1.8K
VD526
VD527
IN4148
R533
470
C503
10U
VD525
IN4148
161514131211109
C207
47u
18K
R207
1K
R204
GND1
GND1
C208
470u/25V
V409
A1015
R427
C430
100u
GND1
GND1
V402
2SD2499
L402
GND1 GND1
GND1
R418
*
IN4148
R534
R554
10K
GND1
GND1
1.5K
GND1GND1GND1
GND1
20K
V534
A562
470u/25V
R203
3.3
C202
0.1u
C203
0.1u
R448
18K
V410
VD413
8.2v
GND1 GND1
L512
100U
R515
R513
15k/2W
3.9K
V511
C2482
R511
VD511
IN4148
470
V512
C1815
680
R517
C518
R516
R521
470
R535
1.8K
GND1
R501
470
V533
A1015
C205
GND1
C418
100u
C1815
R430
18k
12K
R429
GND1
C401
4n7/1K6
470P
220
R526
220
R506
220
C552
220U/16V
GND1
XS201
1
2
1
2
XS202
C417
10u
VD414
6.8v
GND1
C428
GND1
C402
3n3/1K6
GND1
VD521
IN4148
VD501
IN4148
8 ohm/3w
10u/50
C403
3n3/1K6
L522
GND1
GND1
100U
V521
C2482
R523
3.9K
V522
C1815
R527
680
C528
470P
L502
100U
GND1
GND1
V501
R503
C2482
3.9K
V502
C1815
680
C508
470P
R507
GND1
GND1
R447
56k
R449
56K
PROTECT
VD412
IN4148
C425
470
GND1
108V
1000u/25V
C459
10u/160V
V-SYNC
R426
VD406
IN4148
VD417
IN4148
R518
2.7K/0.5W
R525
15k/2W
R528
2.7K/0.5W
R505
15k/2W
R508
2.7K/0.5W
R5554.7K
GND1
470u/35V
GND1
15k
VD415
IN4148
VD407
470/500C429
GND1
SOCKET
GND1
L511
C450
0.1u
C460
C426
RU2
C427
V.FLY
11
150/2k
39U
HEATERGND200V
R
G
VE01
CRT
B
GND1
L521
39U
321
VCC1
10987654321
VD421
S5295G
C431
100u/35V
24V
L404
12uH
R423
L501
39u
45
2.2K/2W
GND1
G3G2G1
C510
GND1
4700P/2KV
H.V
GND1
R553
1.5k/0.5w
GND1
C550
10u/250V
R551
4.7M/0.5W
R550
100K/0.5W
SCREEN
VD553
S5295
R552
10K
V532
C2482
GND1
FOCOUS
C551
4700p/500v
XP502
N401
TDA8174
VP
VOUT
V.RAMP
R431
10K
GND1
10u
C424
R436
1.5K
C471
100u
R439
1.8K
C435
1000u/25V
R413
2.2/1W
V-AMP-ADJUST
V-DRIVE
R441
330/0.5W
R410
24k
R409
10K
VD405
IN4148
R421
0.68/1F
AFC
10
26V
9
R424
0.68/1F
6
4
GND1
8
1
2
3
V.AMP
GND
GND1
C408
10u
C433
R432
47n
GND1
22K
47K
R433
R435
GND1GND1
R437
1.8K
R438
22/1W
R444
10
GND1GND1
VD410
12V/1W
VD411
C473
IN4148
47u/35v
GND1
GND1
*
0.47/200
R401
1.0/2WF
D0
D0
RPV0
R0
R0
RPV0
D0
T402N1603
V.SYNC
VCC2
POWER
120K
R412
2.2
C436
0.47
GND1
R416
330/1W
C419
0.1/M
R453
2.2K
R454
56k
1u
R451
3.3K
C472
GND1
GND1
R406
L401
220/2
51uH
R408
R404*L405
C406
GND1
R0
R0
7
10K/0.5
VD409
S5295G
C409
1u/160V
GND1
C421
470/500
VD403
S5295G
C422
10u/250
GND1
C414
56n/200v
GND1
4
3
2
1
1
GND
2
GND1
3
HEATER
4
5
D
C
V
XS401
B
H.DY
XS402
TJC2-5
200V
H.V
FOCUS
SCREEN
41002616
A
1 2 34
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
NumberRevisionSize
A
Date:26-Jun-2003Sheet of
File:P:\PCB板设计小组\..\K2166AXT1.S01.schDrawn By:
A
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