、
LC32AS28整机电路框图
一
KONKA
R
康佳高清
路适用机型:LC32AS28 LC37AS28 LC40AS28 LC42AS28 LC37AS12 LC32AS12 LC26AS88 LC26AS12…等机型。
本电
液晶电视LC32AS28电原理图(1/12)
第1张(共12张)
+8V
XS805
1
2
3
4
5
+12V
CUP-5V
STANDBY
STANDBY
AFT 3200/
+5V
Supply
XS616
N801
1410
N100
+12V
+5V
XS203
XS204
N201
TDA1308
RF-AGC
+24V
N800
1410
N802
9435A
N805
BA18BC
N806
BA033FP
N804
BA033FP
N200
TDA8846J
PAN
PANEL-EN
PAN
Vcc-CORE
Vcc
3.3V
Vcc-Usb
Z101
NT3826A
Z102
CF9450
22
PHONE-L
PHONE-R
Vcc-3.3Usb
ADPLL
AMPLL
ADC
OP
5V
+5V
+12V
22
22
I
AMP-L
AMP-R
VIF
SIF
2
C
MUTE
104
105
99
100
21
20
69
68
31
67
66
1.2
22
N400
24LC16
Vcc+3.3VA
Vcc-5Ua
98
Z400
24.576MHz
118 119
N401
UOC Ⅲ
(TDA15063H1)
视频解码/音频处理
72.73
22 22 22
R.L
XS607
77.78
Y.C R.L V.R.L Y Pr Pb
S-Video
XS614 XS601
Vcc+1.8VA
42.43.44
75.76 32 80.81
79
33 33
Vid/R/LVid/R/L
XS601
21
20
22
31
62
107
I2C
24LC16
UOC-SDA
UOC-SCL
UOC-READY
MUTE
HD/TV-SW
3
3
UOC RGB
Y Pr Pb
Y Cb Cr
XS602
36
N001
37
W79E632
38
6
4
20
Z001
22.1184MHz
TV-Hs、Vs
1
P15V330
选择开关
7
KEY
XS613
N600
21
3
3
LED
XS611
12
(HY5DU281622)
CPU+5V
STANDBY
16
PANEL-EN
BKL ON/OFF
BKL adj
202
X501
14.31818MHz
203
36、37
33
DAT、CLK R.G.B.Hs Vs
N507
4
N508
(HY5DU281622)
16
4
N504
MST61510A
液晶显示处理器
1.8V Supply
3.3V Supply
5
5
VGA
XS308
8
DVI
XS605
20
PAN
+5V/12V
XS501-30
1024
背光灯
电源
逆变器
BKL ON/OFF
1 2
XS806
液
晶
显
示
屏
×
768
+24V
BKL adj
3
1
图3/12
图4/12
100mAmax
+5VA
图3/12
N401
(UOCⅢ)
(TDA15063H1)
MUTE
N001
脚
4
C205
0.1
HP_ROUT
N401
脚
66
图3/12
FB_1K
HP_LOUT
N401
脚
67
主板
R116
22K
10μF/16V
(98)
(20)
(21)
L201
_100mA
+5VA
R
KONKA
+
R207
330
R208
1K
GND
GND10IF
D200
3.6V
11
C109
10μ
16V
R111
100
47μH
1
2
3
4
15
14
13
12
L100
C110
47μF
16V
C219
0.1
R210
2K
L202
FB_1K _100mA
C217
二、TV接收及中频准分离电路(主板)、音频功放(副板)电路
MUTE_H
2K
+
C212
22/16V
C
AG
1TU2AS3
R112
100
R115
10K
R209
22K
R219
10K
C208
1nF
C201
+
47μF
C207
100/16V
C210
0.1
16V
AFT 3200/
L
SC
SDA5NC6VCC7AF
4
V202
BC847
8
7
6
5
+
100
R1 14
VCC
OUTB
INBINB+
C
8VT9
107
C
0.01
+5VA
N201
TDA1308
2
1
OUTA
INA-
INA+
R216
47K
60mAmax
C108
AGC1
UOC-SCL
UOC-SDA
C218
1nF
+
C209
1nF
R201
22K
+
R205
22K
C216
220μF
10V
C213
22/16V
C204
N100
R113
100
C211
0.1
R212
+
R220
47K
R202
22K
1nF
康佳高清数字(液晶屏)电视LC32AS28电原理图(2/12) 第2张(共12张)
C102
0.01
5V
+
C111
0.1
+5VA
0.1
D201
1N4148_NS
R215
+
10K
C200
47μF/16V
MUTE-PA
V200
BC847
R213
10K
+
C214
C215
1nF
100/16V
60mAmax
图3/12
V201
BC847
C203
470pF
UOC_A_5V
1
}
L203
_100mA
FB_1K
RIGHT
R214
10K
PC_AUDIO_OUT
M-LOUT
N401
69
脚
M-ROUT1
N401
68
脚
XS616
本电路适用机型:LC32AS28、LC37AS28、LC40AS28、LC42AS28、LC37AS12、LC32AS12、LC26AS88、LC26AS12 等机型。
R100
1.2K
R101
10K
IF-OUT
3
2
+5VA1
L103
560nH
1
V100
BC847
D100
1N4148
R102
47K
K6274M30
1 2 3 4 5
K9450M30
1 2 3 4 5
117
R
47
R118
0/NC
3
V102
BC847
2
R211
R206
47
L101
L102
1μH
R104
100
C101
0.01μF
C103
0.01
UOC_A_5V
47μH
C105
C122
0.01
10μ/16V
R107
4.7K
R106
1K
47
R204
47
R203
47
C104
0.01
R108
1.2K
1
2
3
R110
470
V103
C388
R109
33
4
5
6
CN6
XS201
伴音功放电路板
+5VA
C202
0.1
R218
10K
MUTE_L
LEFT
C206
470pF
R217
22K
5423781
1
2
3
4
5
6
TO主板TO主板
Z101
Z102
1
UOC-VIFIN2
UOC-VIFIN1
UOC-SIF2
UOC-SIF1
1.2K
R103
R105
1.2K
(104)
(105)
N401
(UOCⅢ)
(TDA15063H1)
(99)
(100)
}
N401
(UOCⅢ)
(TDA15063H1)
3 脚
SAW-SW
图3/12
图3/12
插接耳机
插接左右声道扬声器
2
TO图9/12
TV_VOUT_PIN22TO图5/12
+3.3VA
SVIDEO2_YIN_PIN71
SVIDEO_YIN_PIN58
SVIDEO2_CIN_PIN70
{
SVIDEO_CIN_PIN59
TO图8/12
modified by lenzhi
TO图8/12
9/12
UOC_A_5V
图8/12
AUIN1_L
AUIN1_R
图8/12
图8/12
图8/12
C428
10μF/16V
VIDEO2_IN
VIDE1_IN
AUIN2_LIN
{
AUIN2_RIN
AUIN4_L
AUIN4_R
R400
NC
AUIN3_L
AUIN3_R
R405
TV-VOUT-PIN22
+
C412
0.1μF
R430 1K
R
KONKA
三、多制式视频/音频数字处理及控制电路
51
50
49
52
R402
0
Y-OUT
UOC-VIFIN1
UOC-VIFIN2
TO图2/12
UOC-SIF1
UOC-SIF2
{
NC
C410 0.22μF C416 0.22μF
R412 NC
R418 100
+
C426 4.7nF
C425 4.7μ/16V
C422
R420 39K
R427 100K
R428 8.2K
+
R433
NC
Z400
24.576MHZ
2 1
C421
33P
+
C431
47μF/16V
C411 150nF
C430 2.2μF/16V
0.1μF
R407
4.7K
C402
0.1μF
C423 1nF
C429
59
58
57
56
74
71
78
70
77
81
105
104
100
99
76
75
73
72
110
108
80
79
95
94
96
106
107
109
102
103
97
101
112
113
91
90
38
116
115
119
118
33P
康佳高清数字(液晶屏)电视LC32AS28电原理图(3/12) 第3张(共12张)
本电路适用机型:LC32AS28、LC37AS28、LC40AS28、LC42AS28、LC37AS12、LC32AS12、LC26AS88、LC26AS12 等机型。
L401 2.7μH
L400 2.7μH
+5VA1 +3.3VA +1.8VA +1.8VA
19
124
122
41
125
39
V DDP
V DDA1
V DDA3
VR EF AD
VR EF _S D A C 1
(TDA15063H1)
GNDA
GNDA
GRE F_S DA C1
128
117
123
121
120
35
V DDA 2
VR EF _S D A C 2
VR EF _S D A C 3
N401
UOCIII
GRE F_S DA C2
VSSC28VSSC8VSSC4VSS_ C O MB61VSSAD C34GNDA37VSSC
11
40
60
R3/Pr
G3/Y
B3/Pb
INSSW3
V/R2/Pr
U/B2/Pb
Y/G2/Y
YSYNC
CVBS2/Y2
CVBS3/Y3
CVBS4/Y4
C2/C3
C4
SVO/CVBSI
VIFIN1
VIFIN2
SIF1
SIF2
AUDIO2_INL
AUDIO2_INR
AUDIO3_INL
AUDIO3_INR
SECPLL
EWD/AVL
AUDIO4_INL
AUDIO4_INR
AUDIO5_INL
AUDIO5_INR
SSIF
VDRA
VDRB
DECBG
IREF
VSC
EHTO
GNDIF
PH1LF
PH2LF
DECSDEM
QSSO
REFAD
VGUARD
DECDIG
XIN
XOUT
114
47
VP1
VP282VP3
VCO M B
GNDA 1
GNDA 2
GNDA 3
89
48
111
+8V
36
5
126
V DD18
V DDC229V DDC112V DDC3
V DDC4
VSS_ R E F
84
VADC33V DDA
V CC8V
Y OUT
UOUT/INSSW2
VOUT/SWO1
CVBSO/PIP
R OUT
G OUT
B OUT
BCLIN
BLKIN
SVM
FBISO
HOUT
AGC
IFVO
FMRO
PLLIF
SIFAGC
AGC2SIF
AUDOUTSL
AUDOUTSR
AUDOUTLSL
AUDOUTLSR
AUDOUTHPL
AUDOUTHPR
P00/I2SDI1/O
P01/I2SDO1
P02/I2SDO2
P03/I2SCLK
P04/I2SWS
INT0
P10/INT1
P11/T0
P12/INT2
P13/T1
P14/RX
P15/TX
P16/SCL
P17/SDA
P20/TPWM
P21/PWM0
P22/PWM1
P23/PWM2
P24/PWM3
P25/PWM4
P30/ADC0
P31/ADC1
P32/ADC2
P33/ADC3
127
Y-OUT
55
54
53
65
CVBSOUT+TO图8/12
44
43
42
C401 4.7μF/16V
46
45
64
63
62
98
86
85
R441 390
88
87
83
93
92
69
68
67
66
23
24
25
26
27
32
31
30
3
22
2
1
21
20
18
17
16
15
7
6
14
13
10
9
C427
100p
R413 27K
R436 NC
R409 4.7K
C418 1μF
New edit UOCIII ir cancel
R408 NC
R415 100
R404 100
R403 100
R435 100
R434 100
R401 100
R440 100
L402 2.7μH
C404
C420
100p
100p
44NCR4
100R437
100R438
100R439
C413 1nF
C414 10nF
C415 0.1μF
C419 1μF
R426 100
R429 100
R442
NC
R431
100
R446
100
New edit
C406
NC
R445
TV-VOUT-PIN22
TV-HOUT-PIN67
+3.3VA
MSC_READ
R414
3.3K
R447
3.3K
NC
R419 0/680
TO图4/12
C432
C405
1n
NC
TO图5/12
C408
C409
100p
100p
R443
NC
UOC_A_5V
R410 100
R411 100
C433
1n
INT
R416
R432
3.3K
3.3K
SIDE_AV_SW
C407
100p
C403
NC
AGC
AUDIO_LO
AUDIO_RO
M_LOUT_PIN60
M_ROUT_PIN61
HP_LOUT
HP_ROUT
I
I
I
+3.3VA
R406
3.3K
TO图4/12,6/12
UOC_READY
R424
R425
3.3K
3.3K
TO图9/12
TV_R_PIN85
TV_G_PIN86
TV_B_PIN87
TO图2/12
2
SWS
2
SCLK
2
SDATA
MUTE
SAW-SW
TO图4/12
R423
3.3K
+3.3VA
TO图9/12
}
TO图8/12
TO图8/12
TO图2/12
}
TO图6/12
}
C424
0.1μF
TO图4/12
TO图2/12
R422
3.3K
R421
3.3K
1
2
3
N400
24C16
A0
A1
A2
GND4SDA
NV-SCL
NV-SDA
+5VA
8
VCC
7
WP
NV-SCL
6
SCL
NV-SDA
5
TO图4/12
UOC_SCL
UOC_SDA
TO图4/12
XS400
TO J18
4
3
调试端
2
1
+5VA
2mm
3
R
KONKA
四、MCU微处理器电路
康佳高清数字(液晶屏)电视LC32AS28电原理图(4/12) 第4张(共12张)
本电路适用机型:LC32AS28、LC37AS28、LC40AS28、LC42AS28、LC37AS12、LC32AS12、LC26AS88、LC26AS12 等机型。
CUP_5V
reset pulse Minimum 100us,
active low
30
TO图3/12 ,6/12
R020
0
TO图11/12
TO图2/12,3/12
TO图10/12
HD/TV_RGB_SW
TO图9/12
TO图10/12
TO图10/12
TO图3/12
C005
22P
R024
10K
LED-Gout
R004
4.7K
INT
68
STANDBY
31
DDC/HWI2C
UOC/MCU
DVI-DET
MSC_READ
R025
470R
V001
BC847
1
R022
10K
R005
4.7K
MUTE
CUP_5V
CUP_5V
INT
3
2
1
RP001
4.7K
4
3
2
1
18
PWMOUT0
TO图11/12
CUP_5V
765
18
432
765
CUP_5V
R009
R015 470
R017 33
R018 33
R019
432
R008
4.7K
NC
R016
150
RP002
4.7K
MBU0
MBU1
MBU2
MBU3
ALE
UOC-READY
UOC-SDA
UOC-SCL
KEY0
KEY1
KEY2
KEY3
KEY4
KEY5
KEY6
33
RP003
+
C013
10μ/16V
R002
8K2
18
3
V002
BC847
2
RP005
4.7K
765
IR-IN
LEDR
LEDGLED-Rout
432
C006
104
5
4
3
2
1
SIP5A_2mm
R023
470R
1N4148
18
XS611
CUP_5V
D001
RP006
4.7K
765
CUP_5V
C015
+
432
47μ
16V
IR1
C002
10P
Z001
22.1184MHZ
R003
NC
R010
4.7K
R011
4.7K
SDA
SCL
C003
10P
R006
R007
STANDBY
MUTE
RSTn
R026
R027
MSC-READ
CUP_5V
C004
104
1
2
3
R001
10K
100
100
100
100
N002
24C16
A0
VCC
A1
A2
GND4SDA
35
EA/VP
21
XTAL1
20
XTAL2
10
RESET
14
INT0/P3.2
15
INT1/P3.3
16
T0/P3.4
17
T1/P3.5
2
P1.0
3
P1.1
4
P1.2
5
P1.3
6
P1.4
7
P1.5
8
P1.6
9
P1.7
CUP_5V
8
7
WP
6
SCL
5
C001
104
N001
W79E632
VSS
22
L001
44
VC C
P4 .312P4 .1
FB
P3.7/RD
P3.6/WR
P3.1/TXD
P3.0/RXD
34
CUP_5V
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P4.2
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P4.0
PSEN
ALE/P
LED-R
43
42
41
40
39
38
37
36
1
24
25
26
27
28
29
30
31
23
19
18
32
33
13
11
CUP_5V
+
C014
47μ/16V
R021
4.7K
LED-G1
SCL-MST1
SDA-MST1
R014
4.7K
MCU_TX
MCU_RX
TO图6/12
XS612
COM
TO图10/12
TO图10/12
BKLon/off
4.7K
WRZ
RDZ
BKLadj
567
TO图6/12
TO图6/12
TO图11/12
LED -R out
CUP_5V
123
45
123
678
8
L002 FB/0603
L003 FB/0603
L004 FB/0603
L005 FB/0603
L006 FB/0603
L007 FB/0603
L008 FB/0603
PANEL-EN
LED -G out
RP004
4.7K
ALE
TO图6/12
C016
5PF
RST_MST
PANEL_EN
BUD0
BUD1
BUD2
BUD3
C017
5PF
TO图6/12
TO图11/12
C018
5PF
BUD[0..3]
C019
5PF
C020
5PF
UOC_READY
UOC_SDA
UOC_SCL
C021
5PF
TO图6/12
C022
5PF
TO图3/12
}
1
2
3
4
5
6
7
8
XS613
2.0mm
J6 FOR KEY
4