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Download L1730SSFT docs - 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] new window | | Size: | 1355 kB | | Extension: | PDF | | MD5 Checksum: | f0afcefc55ecb7229559e840c66ba02e | | Mfg: | | | Model: | | | Original Chassis: | CL-64 | | Descr: | LG Chas. CL-64 Flat. L1730SSFT | | Group: | > > > | | Uploaded: | 2009-01-06 12:59:23 | | User: | old4 | | Multipart: | 0 1 |
| Information about the files in archive: | | Decompress result: | OK | | Extracted files: | 2 | | File name | | Text | | LG Chas.CL-64 Flat.L1730SSFT-2.pdf | | LIPS 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.pdf | | Website: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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