AMOI LC42T1E Service Manual

Amoi Service Manual LCD TV MODEL:LC26T1E/LC32T1E/LC37T1E/LC42T1E Notice: Please read this manual and t

SCART2 OUT SCART1-RGB Form JR1 Form JV108Form tuner Form JR2 RGB S-RGB YPbPr Y/CAV- CV BS SCART2-Y/C SCART2-CVBS SCART1-CVBS AV- CV BS S1-Y/C TV

Picture 2. Upgrade cable Picture 3. COM port of the PC 98

Picture4. Connect the upgrade cable with COM port of the PC Ⅲ、Switch on the power and power on the TV after connecting with upgrade

Picture5.The interface of upgrade tool 1． Click “Choose” item in the upgrade tool and select the content which includes upgrade software (in picture

Picture 7.Select upgrade software（b） 2． Click “Flash” item in upgrade tool to begin upgrade, Do not cut off the power or using “Cancel” during the up

software upgrade is finished. Picture 9. Software upgrade completed Ⅳ、Finally, close the upgrade application program, cut off the power and disconne

Picutre10. Cancel the upgrade window 103

104

FKV7.829.988HDFKV7.829.631SHFKV7.829.632HFKV7.829.736H640300115000631100140008633100120001TECHNICSSTANDARDIZATIONCHECKEDBYAPPROVALDESIGNEDBYEXPLODEDVI

106

107

4.3、The block diagram of audio Loudspeakers SIFHDMI-AudioOUTPUTSPDIF Form JR2 HDMI board AV OUTPUTAV OUTPUTEarphone output Form SCART2 Form SCART1

Part name Part NO. Discriptions1 Discriptions2Panel 1LCD panel2603 0200 0027Board1Power boardFKV7.827.927HG2Scaler boardFKV7.829.383SHL3Tuner boardF

7Connect cable1301 0200 0080 L=270,red,ul,Power plug HF301 "L"-->Powerswitch,Power plug HF301 "N"-->Power switch8Connect cab

Part name Part NO. Discriptions1 Discriptions2Panel 1LCD panel2603 0200 0023Board1Power boardFKV7.827.927HF2Scaler boardFKV7.829.383SHA73Tuner board

9Connect cable1301 0200 0080 L=270,red,ul,Power plug HF301 "L"-->Powerswitch,Power plug HF301 "N"-->Power switch10Connect ca

Part name Part NO. Discriptions1 Discriptions2Panel 1LCD panel2603 0200 0015Board1Power boardFKV7.827.927HF2Scaler boardFKV7.829.383SHD13Tuner board

8Connect cable1301 0200 0553 Power board J4 <---- >Panel9Connect cable1301 0300 0007Power plug HF301 "L"-->Powerswitch,Power plug H

Part name Part NO. Discriptions1 Discriptions2Panel 1LCD panel2603 0200 0029Board1 Power boardFKV7.827.226HB12 Scaler boardFKV7.829.547SH3 Tuner boa

12Connect cable1301 0200 0180 I/O--->speaker (*J31-left ,J32-right)13Connect cable1301 0200 0540L=650mm，8pin,UL2854AWG28/6CKEY-->I/O14FFC cable1

17Screw!FKV6.178.588H 6900 0000 0010 **Back cover->Front cover418Screw!FKV6.178.588H 6900 0000 0014*Front cover->sound box net frame12,Sperkerba

Symptoms Possible cause Remark·Check if the power plug has been inserted properlyinto the socket.·Check if the power switch has been turned on.·Check

U9PW106B-10LImageProcessorU11DDR-SDRAM128MU12DDR-SDRAM128MJF603:To LCD PanelU1329LV160CTTC-70Flash ROM、LVDS SignalJ705: From I/O BoardJ706: From I/O B

Power BOARD is NGPower on and check whether there are 5VS, 5V and 24VCheck whether the connection of DB1 and DB2 is ok, whether DSpin of JM1, C33 and

U9PIC16F72ISOMCUU6RX-8025SATIME CONTROLLERJ8: From IR BoardJ6: From KEY BoardJ13: From SCALER BoardJ14: From SCALER BoardI2C Control For MCUU7CXA2069Q

5、Work Principle The product mainly handles with video signal, such as RF (cable TV), CVBS(composite video), S-V

current is limited, and the 380V voltage of PFC will descend. Actually, the current is limited when the peak value of this board is 0.7V. The pin 4 is

switch into LVDS signal to send it to PANEL for processing. 3、flow of main video signal process： CVBS composite video signal of TUNER (including TU

check if the EAR-INT signal is abnormal, which is in order to avoid wasting time on checking amplifier. Regarding the connecting with IO board, it is

be realized by one video IC. c）Mini MCU module：remote and key signals receiving. The remote and key signal receiving is dependent, but the processing

6.1.Schematic Diagrams Scaler and I/O part for LC26T1E 17

After-sales Service manual Model: LC26T1E/LC32T1E/LC37T1E/LC42T1E Contents 1．Preparation before maintenance…………………………………………………1 2．Product Specificatio

18

5544332211D DC CB BA AVGA-HSVGA-VSRMIN0GMIN0REXTSMIN0RAI2GAI2BAI2GAI1HSYNCVSYNCXIN1XOUT1GAI3YS2BAI3CS2ARMUXBAI1RAI1YMPrMDVD-LDVD-RPbMVS0HS0HS0VS0CVBS1

5544332211D DC CB BA AV33AADJ V25SWADJV20SWADJV18AADJV18AVCC V18A V33AVCC V33A VCC V25 V25V18V18V33VCCTitleSize Document Number RevDate: SheetofConfid

5544332211D DC CB BA ANMI1FCEnRSTnNMIFWPnFVPPICEWELnICEWEHnA12IRPnA5A11D0D5A14A17D15D9D1D3A2D0D13A11D6D10D10D14A10A1A6D14A19D1D11D3A2A16A18A13D8D7A20A

5544332211D DC CB BA ARMD0 MD0RMD1 MD1MD2RMD2MD3MD4RMD3MD5MD7MD6MD8MD11MD10MD9RMD4MD12RMD5RMD6RMD7MD13MD15MD14MD16MD18MD17MD19MD20RMD8RMD9RMD10RMD11RM

5544332211D DC CB BA AIN0AHSIN0HSIN0CLKIN0CLKIN0PENIN0PENIN0RE7IN0BE4IN0GE8IN0BE5IN0RE3IN0GE2IN0GE5IN0RE2IN0BE9IN0GE9IN0BE3IN0RE9IN0GE7IN0GE4IN0RE8IN0

5544332211D DC CB BA ARDVSRDVSRDCLKDG0DG0DG1DG1DVSRPIARDB3RDB5RDB9RDB7RDB2RDB4RDB8RDB6RDG5RDG7RDG9RDG4RDG6RDG8DB9DG3DG2DG7DG6DG8DG9RDR5RDR7RDR9RDR4RDR

5544332211D DC CB BA AIN0GE4IN0GE8IN0GE7IN0GE6IN0GE5IN0GE3IN0GE9IN0GE2SCLSDAIN0RE8IN0RE2IN0RE5IN0RE4IN0RE7IN0RE9IN0RE[9:2]IN0RE6IN0RE3IN0PENIN0VSIN0HS

5544332211D DC CB BA APWMLCDONBKLONPWMOUTANAPWMPWMLCDONBKLONDIN-T18-STBANAPWMBKLONOFFVCCV12VCCVCCVCCV33VLCDVCCV5-JPEGVCCV12V33VCC V33A3V12TitleSize Do

5544332211D DC CB BA ASCL1MUTESCLSDASDA1EARSTUPSCLRXD0LCDONUPSDATXD0CAD-HPJDIN-T18-STBSDASCLSCLPWMADC0ADC1PWRONDAC0LED3TXDRXDTSDATSCLLEDSDAIRRCVRRESET

1、Preparation before maintenance 1.1、Master basic information. Adequate communication with customers is required, to learn how the trouble h

5544332211D DC CB BA AV33AMV18BPLLV18MPLLV18DPLLV18MDSKV33RESV18ARV18AGV18ABV33ARV18ADCV33APV33XV33ADCV18AMV25 V25 V25 V25V33AV33V25 V25 V25 V25V18AV1

5544332211D DC CB BA AUPINT5UP5SDAUP5SCLUP5SDAUPINT5TTSCLTTSDAV5SCLV5SDAAV1-RINAV1-LINMUTESEL2EARSTTTSCLDVD-IRTXD0RXD0ASP1EAR-LOUTEAR-ROUTMAIN-LOUTMAI

30TVL1517-OPAL2006.05.14

31TVL1517-OPAL2006.05.14

32TVL1517-OPAL2006.05.14

33TVL1517-OPAL2006.05.14

6.2.Schematic Diagrams Scaler and I/O part for LC32T1E/LC37T1E/LC42T1E 34

35

5544332211D DC CB BA AOPAL SINGLE CHANNELAVGA INPUTB111Friday, March 10, 2006AMOITitleSize Document Number RevDate: SheetofConfidentialGTXDGVCKG5VIHSG

5544332211D DC CB BA AR230=2.2K, R231=3.3K, C289=0.1uF if LM1117-ADJ is stuffed ;OPAL SINGLE CHANNELAHDMI INTERFACEB211Friday, March 10, 2006AMOITitl

2.SpecificationsEnvironmentalConsiderationsSpecificationof MonitorSizeWeightMODELAudio SystemTV SystemPower SupplyAudi

5544332211D DC CB BA At-R1t-T1t-U1CVBS2YS2CS2OPAL SINGLE CHANNELAANALOG INPUT PORTB311Friday, March 10, 2006AMOITitleSize Document Number RevDate: She

5544332211D DC CB BA AFB1 From Pin16 of SCART1FB2 From Pin16 of SCART2ASP1 From Pin8 of SCART1ASP2 From Pin8 of SCART2PWM1 output the clock for FMS-CV

5544332211D DC CB BA ADO NOT STUFFI2C CONNECTORIIC Address: 0xA0OPAL SINGLE CHANNELAPREIPHERALSB511Friday, March 10, 2006AMOITitleSize Document Numbe

5544332211D DC CB BA ANCOPAL SINGLE CHANNELADDR SDRAMB611Friday, March 10, 2006AMOITitleSize Document Number RevDate: SheetofConfidentialRMD0 MD0RMD1

5544332211D DC CB BA ARESETNMIDO NOT STUFFDebugger HeaderOPAL SINGLE CHANNELACPUB711Friday, March 10, 2006AMOITitleSize Document Number RevDate: Sheet

5544332211D DC CB BA AOPAL SINGLE CHANNELAPW106 PWRB811Friday, March 10, 2006AMOITitleSize Document Number RevDate: SheetofConfidentialV33AMV18BPLLV18

5544332211D DC CB BA AOPAL SINGLE CHANNELADISPLAYB911Friday, March 10, 2006AMOITitleSize Document Number RevDate: SheetofConfidentialTXE1+TXE3+TXE0+TX

5544332211D DC CB BA AR228=4.7K, R229=1.8K, C287=0.1uf if LM1117-ADJ is stuffed ;R230=2.2K, R231=3.3K, C289=0.1uF if LM1117-ADJ is stuffed ;R223=4.7K

5544332211D DC CB BA AStuff one of L60/L62 for VPANEL VoltageAU PANEL POWER INPUTOPAL SINGLE CHANNELAMAIN POWERB11 11Friday, March 10, 2006AMOITitleS

47

JV104 4pin updata for TVJV601 4pin JV106 16pin TosideboardTo loudspeakersJ1 8pin J5 6pin JF603 To panel INVERTER BOARD I/O BOARD

48

49

50

51

6.3.Schematic Diagrams Public part for LC26T1E/LC32T1E/LC37T1E/LC42T1E 52

53

54

55

56

57

JV104 4pin updata for TVJV601 4pin JV106 16pin Toside boardTo loudspeakersJ1 8pin J5 6pin JF604 To panel INVERTER BOARD I/O BOARD

58

5544332211D DC CB BA AIO BOARD小<Doc> <RevCode><Title>C1 1, 03, 2004星期三 三月TitleSize Document Number RevDate: Sheet ofS3-YCVBS3-INEA

IC PW106 60

61

62

63

64

65

66

67

POWER BOARD3.3 The electric connection chart INVERTER BOARDSCALAR BOARDI/O BOARDS-I/OJF6JF4JF5J12J13 30pinJ14 30pinJ705J706JF603J704J5J8 5pin J

68

69

70

71

72

IC 29LV800TA 73

1. A15 13. N.C. 25. A0 37. VCC2. A14 14. N.C. 26. CE 38. DQ43. A13 15. RY/BY 27. VSS 39. DQ124. A12 16. A18 28. OE 40. DQ55. A11 17. A17 29. DQ0 41. D

IC CXA2069Q 75

1. V1 17. Y3 33. SCL 49. YIN1 2. LV1 18. RV3 34. SDA 50. BIAS 3.Y1 19. C3 35. AGND 51. CIN1 4. RV1 20. S2-3 36. D

IC 74LV126 1. 1OE 5. 2A 9. 3A 13. 4OE 2. 1A 6. 2Y 10. 3OE 14. VCC 3. 1Y 7. GND 11. 4Y 4. 2OE 8. 3Y 12. 4A IC

4.1.1、The block diagram of POWER （USE FOR LC32T1E/LC37T1E/LC42T1E） 5VS +5V +3.3V+12V -12V +21V 5V_MUTE+24

IC AD9883 78

1. GND 21. GND 41. GND 61. GND 2. GREEN<7> 22. VDD 42. VD 62. VD 3. GREEN<6> 23. VDD 43. BAIN 63. GND 4. GREEN<5>

IC M13S128168A 80

81

IC WM8761 1. LRCIN 5. CAP 9. VOUTL 13. FORMAT 2. DIN 6. VOUTR 10. MUTE 14. MCLK 3. BCKIN 7. GND 11. NC 4. N

IC LX1722 83

1. LFAOUT 12. LIN- 23. RFBK- 34. LN- 2. CPWM 13. LAMPOUT 24. RFBK+ 35. LP- 3. RPWM 14. RIN+ 25. RISN 36. LP+ 4. LMUT

IC NJ1137 85

1. INa 9. AGC 17. AUX1 25. TONE-Hb 2. BBE1a 10. SS-FIL 18. AUX0 26. TONE INb 3. BBE2a 11. CVB 19. CTL 27. BBEOUTb 4. BBEOUTa 12. CVA 20. CT

1. IN 5. S1B 9. DC 13. S2D2. S1A 6. S2B 10. S2C 14. S1D3. S2A 7. DB 11. S1C 15. EN4. DA 8. GND 12. DD 16. VCC1. A OUTPUT 3. A+INPUT 5. B+INPUT 7. B OU

LINE FILTERU3FS7M0880T5T6T4U2FSD200S+5VACINPUT(90~264V)U1ML4800+24V-12V+12V+5V+18V+3.3V、（USE FOR LC26T1E） 7

IC PIC16F72 1. MCLR/VPP1 8. VSS 15. RC4/SDI/SDA 22. RB1 2. RA0/AN0 9. OSC1/CLK1 16. RC5/SDO 23. RB2 3. RA1/AN

IC TDA9875 89

1. P1 17. SDO1 33. i.c. 49. AUXOR 2. SIF2 18. SD12 34. i.c. 50. AUXOL 3. Vref1 19. SD11 35. VSSA2 51. VDDA 4. SIF1

QT1080-1 1. SS 9. SN1K 17. SNS5K 25. OUT_0 2. /RST 10. SNS2 18. SNS6 26. OUT_1 3. VDD 11. SNS2K 19. SNS6K 27. OUT_2

www.fairchildsemi.com REV. 1.0.5 9/25/01 Features • Internally synchronized leading-edge PFC and trailing-edge PWM in one IC• TriFault Detect™ for

ML4800 PRODUCT SPECIFICATION 2 REV. 1.0.5 9/25/01 Pin ConfigurationPin Description Pin Name Function 1 IEAO Slew rate enhanced PFC transconductance

©2003 Fairchild Semiconductor Corporationwww.fairchildsemi.comRev.1.0.1Features• Precision Fixed Operating Frequency• FS7M0880(66kHz)• Pulse By Pulse

Preliminary Specification©2002 Fairchild Semiconductor Corporationwww.fairchildsemi.comRev.0.9.1Features• Single Chip 700V SenseFET Power Switch• Prec

FSD20X-SERIES2Preliminary SpecificationAbsolute Maximum Ratings(Ta=25°C unless otherwise specified)PIN DefinitionsParameter Symbol Value UnitMaximum D

8、Software version view and Upgrade instruction Software version view Power on the TV normally, hold the “SOURCE” key for about 10s, then “Software ve