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L1730SSFT free download

Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

File information:
File name:LG Chas.CL-64 Flat.L1730SSFT.pdf
[preview L1730SSFT]
Size:1355 kB
Extension:PDF
Mfg:
Model:L1730SSFT 🔎
Original:CL-64 🔎
Descr:LG Chas. CL-64 Flat. L1730SSFT
Group:Electronics > Computer equipment > Monitors
Uploaded:06-01-2009
User:old4
Multipart: 0  1

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LG Chas.CL-64 Flat.L1730SSFT-2.pdfLIPS Board Block Diagram 12V 50 ~ 60Hz HVDC 100KHz EMI COMPONENTS INPUT RECTIFIER AND FILTER ENERGY TRANSFER OUTPUT RECTIFIER AND FILTER 5V GND LINE 100 ~ 240V PWM CONTROL CIRCUIT PHOTO-COUPLER ISOLATION SIGNAL COLLECTON PRIMARY SECONDARY 12V INVERTER CIRCUIT High Voltage output Operation description_LIPS 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC,VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse. 2. Input rectifier and filter. This part function is for transfer the input AC voltage to a DC voltage through a bridge rectifier and a bulk capacitor. 3. Energy Transfer. This part function is for transfer the primary energy to secondary through a power transformer. 4. Output rectifier and filter. This part function is to make a pulse width modulation control and to provide the driver signal to power switch,to adjust the duty cycle during different
LG Chas.CL-64 Flat.L1730SSFT.pdfWebsite:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-64 MODEL: ( L1730S (L1730SSFTM-AL**E) L1930S (L1930SSFTM-AL**E) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU LightView - SOURCE + SET/AUTO CONTENTS SPECIFICATIONS ... 2 PRECAUTIONS ... 3 SERVICE PRECAUTIONS ... 4 TIMING CHART ... 7 DISASSEMBLY ...8 WIRING DIAGRAM ... 10 BLOCK DIAGRAM ... 11 DESCRIPTION OF BLOCK DIAGRAM ... 12 ADJUSTMENT ... 16 TROUBLESHOOTING GUIDE ... 18

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