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File information:
File name:BEKO 12.8.rar
[preview ]
Size:1578 kB
Original:Ch. 12.8 🔎
Descr:Serv. manual SDA5552 24C04 STV2246 AUDIO TDA2822 CRT DRIVE TDA6107 H.O.STX112 BU808DFI V.O.TDA8174AW POWER TDA16846 K2545
Group:Electronics > Consumer electronics > TV >
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:3
File nameText
12.8 circuit diagram CRT with transistors.pdf155V CRT MODUL (VERSION 02) 155V R710 15k T701 BF422 R702 220R C701 47p R711 390R crt 8V_ R713 2.7k C702 10u/250V D701 1N4007 crt R709 220R D702 1N4148 R725 C705 R712 100R crt 1k 470p T702 BF421 G2 R714 1.5K GREEN n.c. 5 G1 10 6 9 7 8 HT RED HT 4 12 11 BLUE X703 GND GND CRT SOKET * C703 Table R707 220R X701 RGB 1 2 3 4 5 6 crt R706 220R R703 220R C706 R715 15k 155V D703 1N4148 R726 1.5K R719 1k T704 BF421 AQUA R717 100R crt SMPS C712 2.2n G2 8V_ T703 BF422 R718 2.7k C708 470p 8V_ 47p R716 390R * C707 Table crt 155V R720 15k R704 220R T705 C709 47p R721 390R BF422 C710 Table R722 100R crt R701 100R crt 8V_ R723 2.7k D704 1N4148 R727 1.5K R724 1k 155V T706 BF421 R728 100K 1/2W crt C713 100n/250V 3 1 2 X702 CRT C711 470p * crt
12.8 Service Manual.pdfCONTENTS PAGE Safety Instructions 1 Technical Specifications 2 Pin Voltages of IC's 3 Waveforms 7 Electrical and Service Adjustments 11 Spare Parts List 14 Circuit Diagrams Attached SAFETY INSTRUCTIONS GENERAL GUIDELINES 1. It is advised to insert an isolation transformer in the AC supply before servicing a hot chassis. 2. Potentials as high as 33KV are present when this receiver is in operation. Operation of the receiver without the rear cover involves the danger of a shock hazard from the receiver power supply. Servicing should not be attempted by any one who is not competent with the precautions necessary when working on the high voltage equipment. Always discharge the anode of the tube. 3. When servicing observe the original lead dress in the high voltage circuits. If a short circuit is found, replace all the parts which have been overheated or damaged by the short circuit. 4. Always use the manufacturer's replacement safety components. The critical safety components marked with
12.8.txtSDA5552 24C04 STV2246 AUDIO TDA2822 CRT DRIVE TDA6107 H.O.STX112 BU808DFI V.O.TDA8174AW POWER TDA16846 K2545
BEKO 12.8.pdf

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