BEKO 20LCD Schematics MCU

654321

D

C

B

A

3.3V_M

CN501

B7B

KeypadConnector

FERRIT BEAD

SDA5V
SCL5V

SC2_St

SC2_St

/RESET

SC1_St

SC1_St

SC1_FBL

SC1_FBL

MSRES

L508FERRIT BEAD

TP144

1
2
3
4
5
6
7

LED_RED
IR
KEY_PMU
KEY_DRL

TP149

L509

GND

TP146

TP148

R5191KR520

D2.5V_M

U500

RSTN

DS1818B

ResetCircuit

OSD_R
OSD_G
OSD_B

OSD_FBL

Q500
2N7002

/STDBY

CVBS_Out

VCC

GND

/RESET

TP147

1K

O_VS

O_HS

BC848B

C526

0.1uF

2

1

3

D3.3V_M

R500

3.3K

D3.3V_M

R502

Q501
2N7002

3.3K

+5V

R501

R505
10K

Q503

GND

GND

3

2

TP150

3.3V_M

R525

1

1K

R504

4.7K

1

R526

/RST

1K

47R

GND

+5V

Q505

BC848B

R511
47R

R510
100R

R512
470R R515

GND

RN500 10K

1
2
3
4 5

1
2
3
4 5

RN501 10K

R503

10K

D2.5V_M

D500
BAS40-05

D3.3V_M

3

Q502
BC848B

2

GND

C525

4.7nF

GND

X500

6MHz

+5V

Q506

BC848B

R514
47R

470R R518

GND

8
7
6

8
7
6

R527
100R

R513
100R

C501
33pF

/BKLT_EN

GND

C502
33pF

Q507

BC848B

R517
47R

XTAL2
XTAL1

+5V

GND

R509

10K

R507

470R

10K

C500 0.1uF

R516
100R

1

HDATA0
HDATA1
HDATA2
HDATA3
HCLK/SCL
HFS/SDA

/IRQ
PNL_EN

HDATA0
HDATA1
HDATA2
HDATA3
HCLK/SCL
HFS/SDA
SDA
SCL

/SC1_FBL

PNL_EN
/BKLT_EN

/STDBY

/IRQ
IR

LED_GRN
LED_RED

MUTE

KEY_PMU
KEY_DRL

/RAMRD
/RAMWR

+5V_M

3

2

GND

TP215

R508

10K

Q504
BC848B

17
18
19
20
21
22
23
24

44
45
46
47
48
49
50
62

34
35
36
37
38
39
40
41

28
29
30
31

51
52
33

25
32

53

54
55

58
59
60
61

GPIO0

A2.5V_M

26

P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7

P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7

P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7

P2.0
P2.1
P2.2
P2.3

P4.2
P4.3
P4.7/VS/OE

CVBS
HS/SC

RST

XTAL2
XTAL1

R
G
B
BLANK/COR

R506

2.2K

BKLT_EN

+15V

57

VDDA2.5

VDDA2.5

C528
1UF/10V

TP185

D3.3V_MD2.5V_M

68

14

VDD2.5

VDD2.5

43

1

VDD3.316VDD3.3

VDD3.3

VDD3.3

VSSA27VSSA56VSS15VSS42VSS69VSS

GND

C503

0.1uF

GND

TP186

GND

L106

FERRIT

70

84

A19/P4.4
A18/P4.1
A17/P4.0

A16
A15
A14
A13
A12
A11
A10

PSEN

XROM

TP183

A9
A8

A7
A6
A5
A4
A3
A2
A1
A0

D7
D6
D5
D4
D3
D2
D1
D0

U501

SDA5550

TP184

HDATA[0..3]

63

A18

64

A17

66

A16

65

A15

67

A14

71

A13

73
72

A12

79

A11

83

A10

77

A9

75

A8

74

A7

76

A6

78

A5

80

A4

82

A3

2

A2

3

A1

5

A0

D7

4

D6

6

D5

8

D4

10

D3

12
11

D2
D1

9

D0

7

/PSEN

81
13

CN502

1
2
3
4
5
6
7
8
9
10
11
12

53398-1290

BacklightConnector

3.3V_M

D[0..7]

HDATA[0..3]

HCLK
HFS

/RAMRD
/RAMWR

A[0..18]

C507
22uF

22uF/10V

C508
22uF

22uF/10V

2.5V_M+5V_M

3.3V_M

GND

TP217
TESTPAD

TP218
TESTPAD

L502
FERRIT BEAD

L503
FERRIT BEAD

L504
FERRIT BEAD

C516

22uF

10V

C510

22uF

C513

22uF

C511

0.1uF

GND

C514

0.1uF

GND

C517

0.1uF

GND

D0
D1
D2
D3
D4
D5
D6
D7

TP151
TP152
TP153
TP154
TP155
TP156
TP157
TP158
TP159
TP160
TP161
TP162
TP163
TP164
TP165
TP166 TP167

CN503

/RST GND

16 17

D3

15
14
13
12
11
10
9

A4

8

A5

7

A6

6

A15

5

WE A7

4

A12

3

A17 A14

2

A18 A16

1

HEADER2X16

Service connector_Flash programing

TP182

D2

TP181

18

D1D4

TP180

19

D0D5

TP179

20

A0D6

TP178

21

A1D7

TP177

22

A10A2

TP176

23

/PSENA3

TP175

24

A11

TP174

25

A9

TP173

26

A8

TP172

27

TP171

28

TP170

29

A13

TP169

30

TP168

31
32

U503

L500
FERRIT BEAD

MC33375ST-2.5

VIN1VOUT

C504
22uF

22uF/10V

2

ON/OFF

GND GND

4

GND

3

SOT223

GND

U504

TP216
TESTPAD

L501
FERRIT BEAD

C505
22uF

22uF/10V

GND

MC33375ST-3.3

VIN1VOUT

2

ON/OFF

4

GND

3

SOT223

GND

/IRQ
PNL_EN

3.3V_M

C509

3.3V_M

C506

20

3.3V_M

/PSEN

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18

WE

R521
1K

19
18
17
16
15
14
13

3
2

31

1

12

4

5
11
10

6

9

30
32

7

0.1uF

8

20

A0

A0

19

A1

18

A2

17

A3

16

A4

15

A5

14

A6

13

A7

3

A8

2

A9

31

A10

1

A11

12

A12

4

A13

11

A14

7

A16

10

A17

30

A15

6

32

5

IO1

A1

IO2

VCC

A2

IO3

A3

IO4

A4

IO5

A5

IO6

A6

IO7

A7

IO8
A8
A9
A10
A11
A12
A13
A14
A15
A16

CS1

NC

CS2

OE
WE

VSS

GND

U502

21
22
23
25
26
27
28
29

9

K6T1008V2E-TB

D0
D1
D2
D3
D4
D5
D6
D7

24

0.1uF

8

A0
A1

VCC
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18

CE
OE
WE

VSS

24

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7

U505

21
22
23
25
26
27
28
29

29LV040

GND

GND

C518

0.1uF

C512

0.1uF

C515

0.1uF

A2.5V_M

D2.5V_M

C519

0.1uF

D

D3.3V_M

C520

0.1uF

C

GND

D3.3V_M

GPIO0

TP501

ESCL

D501

TP500

EVCC

1

GND

BAS40

8
7
6
5

U506

VCC
WP
SCK

VSS

SI

M24C16-RMN1T

TP503

1

1

ESDA

SDA
SCL

TP502
EVSS

1

1

A0

2

A1

3

A2

4

B

GND

SDA
SCL

GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
GPIO1
GPIO0

GPIO[0..7]

GPIO[0..7]

LVDS_EN

Proje= 20'' LCD TV
(CHIMEI)
Kod= ZH1.190-02
Schematic= MCU

A

Beko Elektronik A.S.

C

Title

24-Sep-2003

3. MCU

Control

Sheet 5

Size

Document Number
Date

1 2 3 4 5 6

Rev

A

of

9