background image

PCM_CD_N

PCM_CD1_N

PCM_CD2_N

PCM_CE_N

PCM_A10

PCM_IRQA_N

PCM_A13

PCM_A9
PCM_A8

PCM_A11

PCM_A14

PCM_A6

PCM_A4

PCM_A7

PCM_A12

PCM_A5

PCM_A3
PCM_A2
PCM_A1
PCM_A0
PCM_D0

PCM_D7

PCM_D2

PCM_D6

PCM_D1

PCM_D5

PCM_D4

PCM_CD_N

PCM_D3

PCM_OE_N

PCM_CE_N

PCM_REG_N

PCM_IRQA_N

PCM_WAIT_N

PCM_WE_N

PCM_IORD_N

PCM_CD2_N

PCM_RESET

PCM_IOWR_N

PCM_CD1_N

TS_MDI0

TS_MDI3

TS_MDI2

TS_MDI1

TS_MDI4
TS_MDI5

TS_MDI7

TS_MDI6

PCM_A[14:0]

TS_MDO3

TS_MDO7

TS_MDO6

TS_MDO2

TS_MDO5

TS_MDO4

TS_MOCLK

PCM_IORD_N

TS_MOVAL

TS_MDO1

TS_MDO0

TS_MOSTART

PCM_IOWR_N

PCM_WAIT_N

PCM_RESET

PCM_REG_N
PCM_OE_N
PCM_WE_N

PCM_D[7:0]

TS_D4

TS_MDO0

TS_MDO2

TS_MDO4

TS_MDO6

TS_MDO1

TS_MDO3

TS_MDO5

TS_MDO7

TS_MDO[7:0]

TS_D5
TS_D6
TS_D7

TS_D[7:0]

TS_D0
TS_D1
TS_D2
TS_D3

TS_MOSTART
TS_MOVAL

TS_MOCLK

PCM_PWR_CTL

5VA

VCC-PCMCIA

VCC-PCMCIA

3.3VA

VCC-PCMCIA

5VA

PCM_IOWR_N 3
PCM_CE_N 3

PCM_A[14:0] 3

PCM_RESET 3
PCM_WAIT_N 3

PCM_IRQA_N 3

PCM_D[7:0] 3

PCM_REG_N 3

TS_CLK

3

PCM_OE_N 3
PCM_WE_N 3

TS_MDI[7:0] 3

TS_MOSTART0 3
TS_MOVAL0 3

PCM_CD_N 3

PCM_IORD_N 3

TS_D[7:0]

3

PCM_PWR_CTL

3

TSCLK

3

TSVALID 3

TSSTART

3

PWR CTRL

CARD DETECT

PCMCIA Connector

R15

22R

R15

22R

R47
1k

R47
1k

R38

100R

R38

100R

1

2

C37

100n

C37

100n

R39

22R

R39

22R

R25

22R

R25

22R

R62

22R

R62

22R

R82
100R

R82
100R

C27
1u

C27
1u

Q8
AO3401

Q8
AO3401

3

1

2

R21

22R

R21

22R

Q4

BAV70L

Q4

BAV70L

1

2

3

7

5

3

1

8

6

4

2

RP8

22RX4

7

5

3

1

8

6

4

2

RP8

22RX4

Q7
3904

Q7
3904

1

2

3

+

CA7

100u/16V

+

CA7

100u/16V

R81
4.7k

R81
4.7k

R28
1k

R28
1k

1

2

TP7
VCC-PCMCIA

TP7
VCC-PCMCIA

1

R42
1k

R42
1k

1

2

R20

22R

R20

22R

R35
2.2k

R35
2.2k

R29
1k

R29
1k

1

2

R18

22R

R18

22R

R34
47k

R34
47k

CON1
PCMCIA DIP 68PIN

CON1
PCMCIA DIP 68PIN

GND0

1

D3

2

D4

3

D5

4

D6

5

D7

6

CE1#

7

A10

8

OE#

9

A11

10

A9

11

A8

12

A13

13

A14

14

WE#

15

READY

16

VCC1

17

VPP1

18

MIVAL

19

MICLK

20

A12

21

A7

22

A6

23

A5

24

A4

25

A3

26

A2

27

A1

28

A0

29

D0

30

D1

31

D2

32

WP

33

GND1

34

GND5

35

CD1#

36

MDO3

37

MDO4

38

MDO5

39

MDO6

40

MDO7

41

CE2#

42

VS1#

43

IORD#

44

IOWR#

45

MISTRT

46

MDI0

47

MDI1

48

MDI2

49

MDI3

50

VCC2

51

VPP2

52

MDI4

53

MDI5

54

MDI6

55

MDI7

56

MOCLK

57

RESET

58

WAIT#

59

INPACK

60

REG#

61

MOVAL

62

MOSTART

63

MDO0

64

MDO1

65

MDO2

66

CD2#

67

GND4

68

GN

D

2

69

GN

D

3

70

DB

1-

DB

1+

DB

0-

DB

0+

DB

2-

DB

2+

CLK

B

+

CLK

B

-

CEC

DDCBSDA

DDCBSCL

RXB0N
RXBCLKP

RXB0P

RXB1P

RXB1N

RXB2N

RXB2P

RXBCLKN

DB2+

DB1+

DB2-

DB0+

DB1-

DB0-
CLKB+

CLKB-

HDMI_5V

HDMI_CEC

CEC

SDA

DA1-
DA1+

DA0+

DA0-

DA2-

HPD1

CLKA+

DA2+

CLKA-

DDCASCL

HPD1

CEC

HDMIA_5V

DDCA_SDA
DDCA_SCL

DA

1-

DA

1+

DA

0-

DA

0+

DA

2-

DA

2+

CLK

A

+

CLK

A

-

RXACLKP

RXACLKN

RXA0P

RXA0N

RXA1P

RXA1N

RXA2P

RXA2N

DDCASDA

DDCA

_S

CL

DDCA

_S

DA

HOTPLUGA

SCL

HDMIA_5V

CEC

DDCA_SDA

DA2+

DA1+

DA2-

DA0+

DA1-

DA0-
CLKA+

CLKA-

HPD1

DDCA_SCL

DDCA_SDA

DDCA_SCL

HDMIA_5V

HDMI_5V

3.3VU

HDMIA_5V

5VA

HDMIA_5V

DDCBSDA 3

DDCBSCL 3

RXB0P

3

RXB1N

3

RXB2N

3

RXBCLKP 3

RXB0N

3

RXB2P

3

RXBCLKN 3

RXB1P

3

HOTPLUGB

3

HDMI_CEC 3

RXACLKP 3

RXACLKN 3

RXA0P

3

RXA0N

3

RXA1P

3

RXA1N

3

RXA2P

3

RXA2N

3

DDCASDA 3

DDCASCL 3

SDA

3

HOTPLUGA

3

SCL

3

R228 must pull up 
to HDMI_5V

R228 must pull up 
to HDMIA_5V

HDMIA

HDMIB

CEC

网络

R243
10k

R243
10k

1

2

CON9

HDMI

CON9

HDMI

DATA2+

1

DATA2 SHIELD

2

DATA2-

3

DATA1+

4

DATA1 SHIELD

5

DAT1A-

6

DATA0+

7

DATA0 SHIELD

8

DATA0-

9

CLK+

10

CLK SHIELD

11

CLK-

12

CEC

13

NC

14

SCL

15

SDA

16

DDC/CEC GND

17

+5V POWER

18

HOT PLUG

19

20

20

21

21

23

23

22

22

R256

10k

R256

10k

1

2

D11

1N4148

D11

1N4148

2

1

Q32

NC/2N7002

Q32

NC/2N7002

3

1

2

DD24

ESD

DD24

ESD

R283

10k

R283

10k

1

2

R264

10R

R264

10R

1

2

R285

10R

R285

10R

1

2

DD35

NC/ESD

DD35

NC/ESD

DD29

NC/ESD

DD29

NC/ESD

R252

10R

R252

10R

1

2

DD25

ESD

DD25

ESD

R297

10R

R297

10R

1

2

R265

10R

R265

10R

1

2

R250

NC/0R

R250

NC/0R

1

2

R295

10R

R295

10R

1

2

DD28

NC/ESD

DD28

NC/ESD

DD27

NC/ESD

DD27

NC/ESD

J15

NC/HEAD 2X10

J15

NC/HEAD 2X10

1
2
3
4
5
6
7
8
9

10

11

12

13

14

15

16

17

18

19

20

R253

10R

R253

10R

1

2

R288

10R

R288

10R

1

2

DD47
ESD

DD47
ESD

R318

10R

R318

10R

1

2

R260

10R

R260

10R

1

2

DD51

NC/ESD

DD51

NC/ESD

D10

1N4148

D10

1N4148

2

1

R298

100R

R298

100R

1

2

DD50

NC/ESD

DD50

NC/ESD

R284
10k

R284
10k

1

2

DD21

NC/ESD

DD21

NC/ESD

R262

10R

R262

10R

1

2

R317
1k

R317
1k

1

2

R286

10R

R286

10R

1

2

DD26

NC/ESD

DD26

NC/ESD

DD49

NC/ESD

DD49

NC/ESD

R261

10R

R261

10R

1

2

R313

100R

R313

100R

1

2

DD22

NC/ESD

DD22

NC/ESD

R263

10R

R263

10R

1

2

R245

4.7k

R245

4.7k

1

2

CON8

HDMI

CON8

HDMI

DATA2+

1

DATA2 SHIELD

2

DATA2-

3

DATA1+

4

DATA1 SHIELD

5

DAT1A-

6

DATA0+

7

DATA0 SHIELD

8

DATA0-

9

CLK+

10

CLK SHIELD

11

CLK-

12

CEC

13

NC

14

SCL

15

SDA

16

DDC/CEC GND

17

+5V POWER

18

HOT PLUG

19

20

20

21

21

23

23

22

22

R287

10R

R287

10R

1

2

R294

10R

R294

10R

1

2

DD36

NC/ESD

DD36

NC/ESD

Q33
3904

Q33
3904

1

2

3

DD19

NC/ESD

DD19

NC/ESD

DD48

NC/ESD

DD48

NC/ESD

R254

10R

R254

10R

1

2

R246

4.7k

R246

4.7k

1

2

R300
4.7k

R300
4.7k

1

2

R299
4.7k

R299
4.7k

1

2

Q37

3904

Q37

3904

1

2

3

DD37

NC/ESD

DD37

NC/ESD

R255

10R

R255

10R

1

2

R319

10R

R319

10R

1

2

DD46
ESD

DD46
ESD

R266
1K

R266
1K

1

2

DD20

NC/ESD

DD20

NC/ESD

DD23

NC/ESD

DD23

NC/ESD

R296

10R

R296

10R

1

2

DD34

NC/ESD

DD34

NC/ESD

Содержание LEDV2282FHD

Страница 1: ...ng and Schematic Diagrams for DVD Module 4 Schematic Diagrams 10 BOM List 3 Troubleshooting MODEL CONTENTS 1 Precautions 2 Block Diagram 6 Exploded Views 7 Adjustment 8 Key Parts 9 Product Specificati...

Страница 2: ...he instrument completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that co...

Страница 3: ...ics are identified by shading an or a on schematics and parts lists Use of a substitute replacement that does not have the same safety characteristics as the recommended replacement part might created...

Страница 4: ...ved screws components and wiring have been installed correctly and that the portion around the serviced part has not been damaged and so on Further check the insulation between the blades of the attac...

Страница 5: ...a soft cloth If it is still dirty try breathing on the surface to create a light condensate and wipe it again If the surface is very dirty we recommend a CRT cleaning agent Apply the agent to a cloth...

Страница 6: ...le Disassembly can cause malfunctions 9 If you transport the module do not use packing material that contains epoxy resin amine or silicom glue alcohol or oxime These materials can release gas that ca...

Страница 7: ...l image 3 IR Board Receive IR Signal 4 Keyboard POWER SOURCE MENU VOL Channel 5 Adapter 110V 240V AC IN Ouput 12V DC to the mainboard 6 Inverter Board the power supply for backlight of panel 7 DVD Mod...

Страница 8: ...3 Troubleshooting Power Units Problem Solving Display Units Problem Solving Audio Units Problem Solving Functional Units Problem Solving CV306L A Common Problem Solving...

Страница 9: ......

Страница 10: ...d whether the voltage is correct or not Power on the machine Check LDO IC U1 U4 U10 U3 Q1 Q2 burned or over load short circuit test point TP3 have 5V test point TP2 have 12V test point TP11 have 1 8V...

Страница 11: ...the circuit N Is VCC Panel correct Check Q10 J2 Does the software match the panel Upgrade software N Y P i c t u r e2Display Units Units Flickering Flickering Flickering or Black screen Back light on...

Страница 12: ...d J9 have 12V Check 12v power supply for Inverter does J9 4 pin have control voltage Check repair power supply N N Y Y Check the PB ON OFF network Inverter damaged or bad connection P i c t u r e3D i...

Страница 13: ...U T Es e t W h e t h e ro rn o tn o r m a l R e s e t c h e c k C O N 1 2a n y s i g n a lo u t p u t Y N E x a m i n e e x t e r n a l S p e a k e r C h e c kp o w e r C i r c u i to fQ 1 i fp o w e...

Страница 14: ...ork of MSD306P T y3 aa3 pin Y Does Tuner have any signal output N Y Change Tuner Does power supply of U7 N Y Check circuit of MSB1210 Crystal Oscillator and SAW filter U14 Check the power supply netwo...

Страница 15: ...eck U13 MSD306PT and their filter network Y Check U13 and U14 whether has input audio signal or not N Y Check MSB121 0 and the circuit concerne d Check the Audio SAW filter U15 and the circuit concern...

Страница 16: ...t N Check U13 MSD3 06PT signal network concerned Y Change Tuner Does U13 have TS signal output Check external circuit N Y Picture 7 Function Unit DTV broke down TV not searching no image E x t e r n a...

Страница 17: ...gnal whether is normal and stable Check VS HS circuit OSD setting does not march Reset system Or input not support Check VS HS circuit Y N Check the VGA socket Whether touch normal with cable Check VG...

Страница 18: ...U13 MSD306PT RGB Input signal normal Y N Does SCART socket touch normal Is AV S VIDEO Input signal normal Change external signal source N Y Check the connection network between U13 and the input port...

Страница 19: ...Check HDMI and its input network check U26 whether it s EDID data is correct Check U13 MSD306PT HDMI network whether normal or not N Under pc mode whether has sound or not Y N See NO SOUND repair guid...

Страница 20: ...er Menu then CI information can be read Check VCC PCMCIA power supply Check Q8 whether work normal or not OK Y N Y N Y N Change CI card Check external network Change Q8 Change CI card OK Check externa...

Страница 21: ...Pr no output N Y Does input equipment work normal Y N Change input source Check theYPbPr input network Check the couple circuit Normal Abnormal Does U13 port damage Repair it P i c t u r e1 2F u n c t...

Страница 22: ...512M bits DDR1 32M bits SERIAL FLASH 12V_IN 2210mA AMP 1000mA 5VU 3000mA MP1423 1 32V 1160mA DVDD1 2V 5VA for PANEL 7805 TPS54231 5V_TUNER 210mA 3 3VU 400mA standby 6 6mA AVDD_DVI 1000mA 32K bits EEPR...

Страница 23: ...OMP 6 VSENSE 5 C31 100n C31 100n 1 2 C43 NC 100n C43 NC 100n 1 2 CA14 100u 16V CA14 100u 16V 2 1 D4 1N4001 D4 1N4001 2 1 CA18 100u 16V CA18 100u 16V 2 1 Q6 3904 Q6 3904 1 2 3 R45 10k R45 10k 1 2 L3 6...

Страница 24: ...VDD_DDRA5 F17 VDDC1 2VC H17 VDDC1 2VD J14 VDDC1 2VE J15 VDDC1 2VF J16 VDDC1 2VG J17 AVDD25_REF2 P8 DVDD_NODIE K9 AVDD_DVI3 G8 AVDD_DMPLL G9 AVDD3P3_ADC1 E9 AVDD3P3_ADC2 F9 GND3 N9 GND4 P9 GND11 J10 GN...

Страница 25: ...0 Vdd A6 A4 A11 A8 RFU NC Vss U9 W9751G6IB Vdd1 A1 NC2 A2 Vss1 A3 DQ14 B1 VssQ2 B2 UDM B3 A4 N8 A6 N7 Vdd4 M9 A0 M8 A2 M7 CS L8 CAS L7 ODT K9 CLK K8 RAS K7 Vdd3 J9 CLK J8 VssDL J7 DQ5 H9 VssQ10 H8 DQ2...

Страница 26: ...HPD1 CLKA DA2 CLKA DDCASCL HPD1 CEC HDMIA_5V DDCA_SDA DDCA_SCL DA1 DA1 DA0 DA0 DA2 DA2 CLKA CLKA RXACLKP RXACLKN RXA0P RXA0N RXA1P RXA1N RXA2P RXA2N DDCASDA DDCA_SCL DDCA_SDA HOTPLUGA SCL HDMIA_5V CEC...

Страница 27: ...22 PI5V330 U22 PI5V330 S1A 2 S1B 5 S1C 11 S1D 14 S2A 3 S2B 6 S2C 10 S2D 13 IN 1 DA 4 DB 7 DC 9 DD 12 VCC 16 GND 8 EN 15 C99 560p C99 560p 1 2 DD16 ESD DD16 ESD CON12 VGA CON12 VGA 5 10 4 9 3 8 2 7 1 1...

Страница 28: ...P LOGO H7 DIP LOGO H7 1 Q24 NC 3904 Q24 NC 3904 1 2 3 C153 22n C153 22n C169 1u C169 1u C156 22n C156 22n R231 47k R231 47k 1 2 S N H5 S N H5 1 R230 10k R230 10k 1 2 C163 1u C163 1u R182 4 7k R182 4 7...

Страница 29: ...5 Troubleshooting and Schematic Diagrams for DVD Module 1 Power supply trouble 2 Display trouble 3 Audio trouble 4 Function trouble AL09 Trouble Shooting...

Страница 30: ...U5is normal Check if the 3 3V and1 8V supply is normal Updatc the softwarc for flash U5 is ok Check the U5 and the periphery circuit Power supply trouble NO signal N Check the mainboard suplly for dvd...

Страница 31: ...uble NO signal and the laser apparatus working is normal Checd the video output circuit Update The FLASH U5 Display color abnormal missing color Update the flash U5 Check the XT1 U5 and the video outp...

Страница 32: ...NO sound No sound sound little Check the power supply for U7 Check the power supply for 12V and R58 Check the circuit betweer U5 output and U7 Check the output circuit of U7 and check U7 Check the cor...

Страница 33: ...weldig or abnormal Change or repair the damaged component Connect the cable again Check the voltage for R78 Check the circuit between CN2 and R78 When read the disc laser is normal IF the CDLD DVD LD...

Страница 34: ...is normal 1 Checd the ciruit between U5 and U6 2 Checd the Periphery circuit for U6 Checd the reference voltage is normal for VREF1 VREF2 1 Checd the periphery circuit for VREF1 VREF2 2 Checd U5 and p...

Страница 35: ...5 6 7 8 9 10 11 13 15 12 14 29 33 34 35 36 37 38 16 17 18 19 20 21 22 23 24 65 78 77 76 75 74 73 72 71 70 69 68 67 66 62 25 26 27 28 30 31 32 DVDA DVDB DVDC DVDD RFSUM RFIS AGCCAP RF_AVDD AD_AVDD AD_A...

Страница 36: ...6 Exploded Views...

Страница 37: ...nter factory menu INPUT 2580 2 PC ADC adjust enter ADC ADJUST in factory menu you can use Checker Board pattern signal or Gray Scale pattern from you PC use remote control select AUTO ADC then use rig...

Страница 38: ...ng in factory menu you can select Contrast Brightness Color Sharpness to adjust in Curve Type menu Usual we only change the value of Curve Point 50 the picture quality will present in the standard mod...

Страница 39: ...e red indicator light into green It has access to USB upgrade condition while the indicator light turns green to red again and now you can release the POWER key Please do not power off during the upgr...

Страница 40: ...ssfully there will be the following dialog If the connection is not successful then will be and now you need to check the tool connection Step 2 Choose Read make the BIN file will be burning into the...

Страница 41: ...0 5V 8 Key Parts 8 1 Inverter Board 8 2 Panel Pin No Symbol Description 1 2 VCC 12V 3 Von off On off Control 4 Brightness 5 6 GND Ground...

Страница 42: ...ial data input Channel E0 even 14 GND Ground 15 RXE1 Negative LVDS differential data input Channel E1 even 16 RXE1 Positive LVDS differential data input Channel E1 even 17 GND Ground 18 RXE2 Negative...

Страница 43: ...SECAM PAL B G D K I TV function SECAM L B G D K PC Resolutions up to 1920 1080 60HZ Video HDMI Resolutions 480i p 576i p 720p 1080i p Input Left Right PC AUDIO Output Earphone SPDIF Speaker 2 3 watt...

Страница 44: ......

Страница 45: ......

Страница 46: ......

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