Funai AXT1, EXT1, AX, CX Schematic
14" 21" AXT1EXT1 AX CX SERIES COLOUR TV BASIC CIRCUIT DIAGRAM、、、
4321
D
TUNER 5V
NC
IF
GNDNCNC
VCCB2B1
NO USEDVTAGC
R101
4.7K
R648
4.7K
BH
CIRCIRCIR
BL
R61515k
33v
R614
R613
33k
C613
0.1u
GND1
C
470
R634
R632
470
GND1
R658
1K
33V
B
AC
INPUT
R612
33k
33k
C612
0.1u
C611
0.22u
V603
BH2369
GND1
GND1
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
C668
100p
R638
GND1GND1GND1
L602
22u
C663
R6164.7K
R618
4.7K
R627
1K
L601
22u
R619
4.7K
1
2
3
GND1
4
XS601
470/400VAC
2
1
2
1
R102
27K
C101
VT
V101
GND1 GND1
C610
150P
R601
3.3K
R610
5.6K
C614
R665
3.3k
C659
47u
C660
47u
GND1 GND1
C666
100p
C667
100p
GND1GND1GND1GND1
47u
C664
0.01
GND1 GND1
R620
4.7K
R684
2k
LED
GND1
GND1
C904
RT901
18
0.10/AC250
47u
GND1
GND1
R672
R649
4.7K
c1815
1k
C103
1u
GND1 GND1 GND1
V606
C1815 V605
470P
GND1
R682
100
R666
C665
GND1 GND1
5v-1
R628
GND1
4.7K
R668
4.7K
R669
4.7K
VT
SYS1
51
R686
1K
SYS0
50
R685
1K
49
AGC
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
GND1
C627
0.01
C626
47u
R659
100
GND1GND1
C909
470/400VAC
C902
L902
F901
S901
T2A/250V
N601
SDA55XX
3
HS0038A2
L901
C903
0.10/AC250
c1815
VDDA2.5V
N603
VDD2.5V
VDD3.3V
CVBSIN
1.2Vpp
STATAV1
STATAV2
HS/SSC
SERVICE
WOOFER
V102
GND1
SDA152
SCL1
SDA0
SCL0
VSS0V
VSSA
KEY
AV1
AV2
IRIN
R671
100
GND1
R103
100
L101
1u
GND1 GND1
5V-2
C104
1u
c1815
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
R625
17
4.7K
R626
18
4.7K
19
VS
20
21
R654
4.7K
GND1
GND1
R623
22
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
C105
47u
C106
0.01u
GND1
4.7k
R604
4.7k
SYS1SYS03X0XCOM11X2XVDD
9 10111213141516
L606
22u
C658
47u
L605
22u
C616
47u
L607
22u
C655
47u
R645
150
S601P+S602P-S603V+S604V-S605
C608
1000P
VD602
V604
A1015
C906
4700P/500V
C905
4700P/500V
8765
C645
47u
GND1GND1
R663
4.7K
V602
C1815
R655
4.7K
R656
4.7K
R664
4.7K
V601
C1815
C4052N302
R335
180
3.3v
R606330
L608
8.2u
R624
10k
C653
150p
GND1 GND1
R641
R642
R643
R644
220
VD911
CHR208
IN4148
820
470
300
GND1GND1GND1GND1GND1
R652
4.7K
R653
C607
1000P
VD601
GND1
GND1
IN4148
R670
4.7k
N606
LE25CZ
2.5v
C631
100u
GND1 GND1 GND1
R901
5/270V
VD909
CHR208
C916
0.1
R915
15K/2W
R917
15K/2W
C646
GND1
R617
N602
24C08
0.01
4.7K
GND1
MENU
GND1
10K
220/400V
V.SYNC
H.SYNC
C901
R651
SCLSDA
C339
R622
2.5v
S606
AV
2K
R920
12K
7
4
SHVSAV2
CY
C874
47P
R86475C871
0.01
GND1
GND1
8V
8V
C873
47P
C870
1u
R862
R689
10K
R690
10K
R680
10K
R679
10K
V609
C1815
V608
C1815
V605
C1815
V604
C1815
GND1
GND1
8V
R111
4321
C107
0.01u
5V-1
R677
100
R678
100
R609
4.7K
R657
4.7K
L303
100u
GND1
3.3v
R916
820K/1W
5V-1
N901
TDA4605
R914
220
LE33CZ
T5.5M
N605
Z304
3.3u
GND1
L3043.3u
GND1
L3053.3u
GND1
GND1
123123
81
R913
2.2K
C931
0.01
12345678
0Y2YCOM23Y1YVEEVEEINH
0.01
GND1
100
C632
R113
R329
V104
4.7k
C1815
N
5V-1
5V-2
Z301
T4.5M
Z302
T6.5M
Z303
T6.0M
VD423
IN4148
C601
100u
5V-2
GND1
C941
220u
GND1
R918
270K/1W
C918
5n6
23
R903
47
5
6
R919
10k
C919
2.2u/50V
75
GND1
GND1
Y/V1 IN
Y/V1 IN
22
470
R107
5.6K
L103
R110
IF
V105
C108
2SC388
0.01u
27
R109
R108
1K
GND1
GND1
10K
D102
IN4148
1
P
L302
22u
8V
C312
100u
GND1 GND1
BEXT
GEXT
REXT
power
LA7805
321
R902
4.7K
2
R117
2.2K
GND1
GND1
GND1
GND1
R348
100
R332
120
R333
120
R334
GND1
120
C311
0.01
V2 IN
L/R IN
Y/V1 IN
C IN
C3380.1(M)
R328
100
C3370.1(M)
R327
100
C336
R339
0.1(M)
100
FB
R340
100
N905
R936
4.7/2w
GND1
C911
33n/630V
C910
821/2KV
V901
D4N60C2
C912
221/500V
C913
VD902
47/50
S5295G
R906
68/3W
VD903
S5295G
C915
1u/50V
R907
1K GND1
1u
K2959M
R330
R309
180
R905
15K/3W
R904
15K/3W
VD901
RGP10MT
SW
10
Z101
GND1 GND1
GND1
V301
c1815
330
V302
c1815
T901
L903
R863
1k
GND1
C IN
C118
47u
C119
0.01
GND1GND1
GND1
3
4
5
678
R3021k
C328
0.1u
R305
C309
1K
T301
TRF1062
R308
220
GND1
C331
R341
GND1
14
11
17
16
C914
39n
4
32
C302
10u
C304
20k
R921
8.2M/1W
PC817B
V OUT
A OUT
GND1
C117
0.01
0.47
47U
GND1GND1
1u
GND1GND1
N902
R857
C303
C305
1000p
GND1GND1
C308
C310
0.47u
C313
1u
R331
GND1
R870
220
1K
GND1
STV2248CN301
1
2
3
4
5
1u
6
7
8
9
10
GND1
11
12
0.01
13
14
15
16
17
18
19
20
21
22
23
24
25
330K
26
27
C917
2n2/AC400V
6
8
GND1
2
4
7
GND1
1
C801
1U
SIF1
SIF2
AGC.S.C
Vr.IF
AGC.P.C
PIF1
PIF2
TAGC
IFPLL
GNDIF
AM/FM.O
VccIF
5v
INTCVBS
OUT
EXT.
AUDIOIN
PIFLC1
PIFLC2
VCC2
CVBS1
GND2
CVBS2
BSC
Y/CVBS3
SVHSC
APR
BEXT
GEXT
REXT
FBEXT
VOLORO
C872
1u
R869
47
V850
C1815
BCL/SAF
X1/VAMP/
L905
V902
A1015
GND1
GND1
CVBSO1
XTAL3/
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
V851
C1815
3.3k
R871
1K
GND1
C3184.7n
C923
GND1
C930
GND1
C926
GND1
R931
68k/1W
R934
1k
R821
5V-2
C327
1u
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
RP901
1k
R932
3.9K
GND1
R867
1K
GND1
FM
56
CAP
55
54
GND1
53
5v
SDA
52
SCL
51
50
R322
49
SSC
2.2K
R326
48
10
R319
47
1K
46
45
44
43
GND1
42
41
R31727K
40
39
38
C3170.1u
37
36
35
34
R31410K
33
R313470
32
R312
31
470
30
R311
470
NC
2928
GND1
VD904
100u/160v
VD907
RU2
1000u/25V
C928
470/500
VD905
S5295G
1000u/25v
C925
R930
1.5k
GND1V906
A1015
V802
A1015
10K
C326
0.01u
C329
0.1u
C323
2.2u
R3218.2K
R3204.7K
R318220K
C322
10u
GND1 GND1
R349
GND1
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
GND1GND1
108V
18V
L/R
L306
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
R873
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
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
2
220u
GND1
V401
2SC2482
GND1
C867
R820
10K
V801
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
GND1
H-DRIVE
R415
R403
1
8V
2
3
GNDGND
4
Bin
5
Gin
6
Rin
N201TDA1905
10k
V201
A1015
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
R531
V202
C1815
R402
3.3K/5
C413
56n/200
22
R202
1k
MUTE
T401
R0710
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
*
R554
10K
IN4148
R534
GND1
GND1
20K
1.5K
GND1GND1GND1
R203
GND1
VD413
8.2v
R521
470
R535
1.8K
V534
A562
R501
470
V533
A1015
C205
470u/25V
3.3
C202
0.1u
C203
0.1u
R448
18K
V410
C1815
GND1
GND1 GND1
L512
100U
R515
R513
15k/2W
3.9K
V511
C2482
R511
VD511
IN4148
470
V512
C1815
680
R517
C518
470P
R516
220
R526
220
GND1
R506
220
C552
220U/16V
GND1
XS201
1
2
1
2
GND1
XS202
C417
10u
C418
100u
VD414
6.8v
GND1
R430
18k
12K
C428
R429
GND1
C401
C402
4n7/1K6
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
GND1
15k
VD415
IN4148
470/500C429
GND1
SOCKET
GND1
L511
470u/35V
C426
VD407
C427
39U
V.FLY
11
C450
0.1u
C460
150/2k
RU2
R
G
VE01
CRT
B
GND1
L521
39U
321
HEATERGND200V
VCC1VPVOUT
10 987654321
VD421
S5295G
C431
100u/35V
24V
L404
12uH
R423
L501
39u
2.2K/2W
GND1
R551
4.7M/0.5W
R550
100K/0.5W
45
R439
VD405
R424
0.68/1F
1.8K
IN4148
GND1
GND1
R553
1.5k/0.5w
GND1
C550
XP502
TDA8174
R431
10K
GND1
C424
R436
1.5K
C435
1000u/25V
R413
2.2/1W
V-AMP-ADJUST
V-DRIVE
R441
330/0.5W
R410
24k
R409
10K
R421
0.68/1F
AFC
26V
GND1
N401
10u
G3G2G1
C510
4700P/2KV
H.V
FOCOUS
C551
4700p/500v
SCREEN
VD553
S5295
10u/250V
R552
10K
V532
C2482
GND1
V.RAMP
10
9
6
4
8
1
2
3
V.AMP
GND
GND1
C408
10u
C433
47n
GND1
22K
47K
R433
R435
GND1GND1
R437
C471
1.8K
100u
R438
22/1W
R444
10
GND1GND1
VD410
12V/1W
VD411
C473
IN4148
47u/35 v
GND1
GND1
0.47/200
R401
1.0/2WF
D0
D0
RPV0
R0
R0
RPV0
D0
T402N1603
V.SYNC
VCC2
POWER
R432
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:16-Feb-2004Sheet of
File:D:\PCB-SCH-FILES\..\U21AXT1.S01.schDrawn By:
A
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