Logik LCX27WN2 Service Information Download Page 13 | Manualshive

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Nexgen Mediatech Inc.

NO

VER. A1

TITLE

Level 1 Service Manual

PAGE

12/30

12

12. Release 15 screws as arrows 13. Take off wall mount bracket

14. Wall mount bracket 15. Loosen 8 screws on the speaker boxes.

16. Speaker boxes 17. Loosen 3 screws and take off speaker

cable.

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Summary of Contents for LCX27WN2

Page 1: ...LOGIK LCX27WN2 Service information...

Page 2: ...evel 1 Service Manual Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Version V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 V1 0 Date 10 9 10 9...

Page 3: ...System Block 4 Description of Level 1 Service Tools 5 Defect mode Possible causes and Solution for End Users 6 Exploded view Diagram 7 Disassembly Assembly tools and procedure 8 Troubleshooting Analys...

Page 4: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 3 30 27 LCD TV Service Manual 1 Electric Specifications 3...

Page 5: ...8 VESA 800x600 50 00 72 188 48 077 VGA 9 VESA 800x600 49 50 75 00 46 875 VGA 10 VESA 800x600 56 25 85 061 53 674 VGA 11 SVGA 1024x768 65 00 60 004 48 364 VGA 12 VESA 1024x768 75 00 70 069 56 476 VGA 1...

Page 6: ...Function Signal Level Impedance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Green Blue Reserved Ground Red Ground Green Ground Blue Ground 5V DC Sync Ground Reserved DDC SDA H Sync V Sync DDC SCL 0 7V 0 7...

Page 7: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 6 30 2 3 YPbPr 2 4 Composite Interface 2 5 TV RF Interface 6...

Page 8: ...er TV Module TV Interface A D Converter Video Decoder OSD Keypad Indicate LED Speaker Connector Power Adapter Speaker L Speaker R Audio Power Interface Graphic Interface To CATV 4 Description of Level...

Page 9: ...rrectly 7 Only picture no sound Is volume adjusted to minimum 1 Is there any problem with input source 2 To adjust the volume in properly 3 Is sound line not connected 1 Check the accuracy of the inpu...

Page 10: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 9 30 6 Exploded view Diagram 9...

Page 11: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 10 30 7 Disassembly Assembly tools and procedure for 27 Tools 1 27 2 Back view 3 Lateral view 4 5 Release 6 screws as arrow 10...

Page 12: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 11 30 11 6 Appearance of stand 7 Release 8 screws as arrows 8 Take of tuner box and AV box 9 Take off adaptor 10 AV box 11 Tuner Box...

Page 13: ...TITLE Level 1 Service Manual PAGE 12 30 12 12 Release 15 screws as arrows 13 Take off wall mount bracket 14 Wall mount bracket 15 Loosen 8 screws on the speaker boxes 16 Speaker boxes 17 Loosen 3 scr...

Page 14: ...l PAGE 13 30 18 Take off 4 screws and the pc panel bracket 19 PC panel bracket 20 Take off pc panel bracket 21 Loosen 8 screws on main board 22 Disconnect 8 cables and take off 23 Loosen 2 screws on k...

Page 15: ...VER A1 TITLE Level 1 Service Manual PAGE 14 30 24 Take off Key pad set 25 Release 2 screws on key pad 26 Key pad board 27 Loosen 2 screws on IR board 28 Loosen 10 screws and separate front 29 Hinge a...

Page 16: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 15 30 29 1 29 2 29 3 29 4 29 5 29 6 15...

Page 17: ...ck PCB AD B Change Light On Test Check Panel Panel Change Bright Dot Abnormal Display Dark Dot Backlight Light Leakage Mura Check Panel Panel Change Image Sticking Brightness spot Particle Dot Defect...

Page 18: ...e Gray value display Check PCB AD B Change Panel Change Check Panel R G B display abnormal Check PCB AD B Change Check Panel Cable Panel Cable Change Check PCB AD B Change Display Shut Down Inverter C...

Page 19: ...eck PCB AD B Change Keypad B Change Check FFC FCC Change LED display abnormal AD B Change LED off Check PCB LED Dark Keypad B Change LED Abnormal Check FFC FCC Change LED Flicker Power Saving Mode in...

Page 20: ...e Failure Analysis Repair Testing Other Abnormal Display Display flicker tapping Check PCB AD B Change Check Panel Inverter Change Cannot use remote control Check keypad board Keypad Change Remote Con...

Page 21: ...ysis Repair Testing Audio Abnormal Sound adjust abnormal Check PCB AD B Change No sound Check Speaker Speaker Change Check FCC FCC Change Single sound Check PCB AD B Change Keypad B Change Hear phone...

Page 22: ...No Image 21 Video Abnormal AV SV CV TV Check PCB AD B Change Check Cable Cable Change TV No Image Check PCB AD B Change Check RF Cable RF Cable Change Check TV Module TV Module Change Check PCB AD B...

Page 23: ...Nexgen Mediatech Inc NO VER A1 TITLE Level 1 Service Manual PAGE 22 30 Defect Mode Failure Analysis Repair Testing 22 Abnormal BIOS Upgrade Can t Upgrade BIOS Check PCB AD B Change TEST Completed...

Page 24: ...32 port DC12 V ISP port D Sub15 9 2 Use RS 232 signal line to connect RS 232 OUT port of PC and the RS 232 IN PORT of ISP tool Use RGB signal line to connect VGA OUT port of ISP tool and VGA IN port o...

Page 25: ...To execute 8051IspWriter exe file on your PC and the screen below appears 9 6 Move the cursor to click Select Chip button and select the type of CPU W78E65 9 7 Move the cursor to click Select Bank0 b...

Page 26: ...TITLE Level 1 Service Manual PAGE 25 30 9 8 Select the Port name on Communication setting screen 9 9 Move the cursor to click Connect button to link If the linking succeeds it will show Connected on C...

Page 27: ...e function After execution screen below will appear Click confirm button to finish the execution 9 11 To click verify button to execute verify function After verification screen below will appear Clic...

Page 28: ...dio Abnormal F9 Speaker audio cable Tuner 10 Audio Video not clear F10 Signal frequency fine tune RF frequency tuner 11 Only sound no picture F11 Signal frequency fine tune channel frequency tuner 12...

Page 29: ...le 256 Gray scale Check the amplitude of RF signal is distorted Check the gray scale is over saturated Check the amplitude of RF signal is distorted Check the gray scale is over saturated Check the am...

Page 30: ...N L 150MM 174 272201 101 WIRE 27 INVERTER 22PIN L 250 174 273001 101 WIRE W B NLC27C1 30PIN L 60MM Packing meterial 401 270003 021 T27001 MAIN CARTON LUXOR 403 270005 011 EPE CUSHING STAND NECK 403 27...

Page 31: ...011 NLC27C1 STAND FRAME BRACKET 250 270016 011 NLC27C1 WALL MOUNT BRACKET Screw 600 030004 010 SCREW M4 12 PAN HEAD 600 030008 041 SCREW M3 8 PAN HEAD 600 040008 040 SCREW M4 8 PAN HEAD 600 440012 11...

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