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TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:lc-23ixx1_lc-26ixx1_lc-27ixx1_lc-30ixx1lc-32ixx1_lc-37ixx1_lc-42ixx1.pdf
[preview lc-23ixx1 lc-26ixx1 lc-27ixx1 lc-30ixx1lc-32ixx1 lc-37ixx1 lc-42ixx1]
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Model:lc-23ixx1 lc-26ixx1 lc-27ixx1 lc-30ixx1lc-32ixx1 lc-37ixx1 lc-42ixx1 🔎
Original:lc-23ixx1 lc-26ixx1 lc-27ixx1 lc-30ixx1lc-32ixx1 lc-37ixx1 lc-42ixx1 🔎
Descr: . Rare and Ancient Equipment Rolsen TV Телевизор ЭЛТ Rolsen LC-23IXX1 & LC-26IXX1 & LC-27IXX1 & LC-30IXX1LC-32IXX1 & LC-37IXX1 & LC-42IXX1 lc-23ixx1_lc-26ixx1_lc-27ixx1_lc-30ixx1lc-32ixx1_lc-37ixx1_lc-42ixx1.pdf
Group:Electronics > Consumer electronics > TV
Uploaded:19-08-2022
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File name lc-23ixx1_lc-26ixx1_lc-27ixx1_lc-30ixx1lc-32ixx1_lc-37ixx1_lc-42ixx1.pdf

SERVICE MANUAL LC-23Ixx1/ LC-26Ixx1/ LC-27Ixx1/ LC-30Ixx1 LC-32Ixx1/ LC-37Ixx1/ LC-42Ixx1 23"/26"/27"/30"/32"/37"/42" TFT-LCD TV/MONITOR 2005. 05. 19. 1 CONTENTS 1. SAFETY PRECAUTION 3 2. BLOCK DIAGRAM 4 3. GENERAL SPECIFICATION 12 4. TROUBLE SHOOTING 15 5. CONTROLS OF FRONT PANEL 18 6. CONNECTIONS OF BACK PANEL 19 7. REMOTE CONTROL HANDSET 20 8. CONNECTING DIAGRAM 21 9. PCB LAYOUT 22 10.FACTORY MENU30 11. SCHEMATIC DIAGRAM 35 12. EXPLODED VIEW 48 13. REPLACEMENT PARTS LIST 52 2 1. Safety Instructions Important Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet. Do not use a line Isolation Transformer during this check. Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor between a known good earth ground (Water Pipe, Conduit, etc) and the exposed metallic parts. Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/volt or more sensitivity. Reverse plug of the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part. Any voltage measured must not exceed 0.75 volt RMS, which is, corresponds to 0.5mA. In case any measurement is out of the limits specified, there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer. AC Volt-meter Good Earth Ground such as WATER PIPE, CONDUIT etc. To Instrument's exposed 0.15uF METALLIC PARTS 1.5 Kohm/10W 3 2. BLOCK DIAGRAM BLOCK DIAGRAM ` 4 IC FUNCTIONAL BLOCK DIAGRAM (MST5151A) IC PIN ASSIGNMENT (MST5151A) 5 IC BLOCK DIAGRAM (MSP3410G) IC PIN OUT (MSP3410G) 6 IC BLOCK DIAGRAM (MP7720) IC PIN OUT (MP7720) IC BLOCK DIAGRAM (TW9918) 7 IC PIN OUT (TW9918) 8 IC BLOCK DIAGRAM (VCT49xy I) IC PIN OUT (VCT49xyI)

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