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File name AKIRA CT-21NI9R 3S10 - ST92195, STV2248, STRG6653.pdf

Colour TV Service Manual 2 Model Group: CT-21NI9 CHASSIS: 3S10 MODEL: CT-21NI9R Model No: CT-21NI9R Version 1.0 3 CONTENT SPECIFICATIONS ... 4 X-RAY RADIATION PRECAUTION ... 5 SAFETY PRECAUTION... 5 PRODUCT SAFETY NOTICE... 5 ALIGNMENT INSTRUCTION... 6 CIRCUIT DIAGRAM ... 13 Model No: CT-21NI9R Version 1.0 4 SPECIFICATIONS RECEIVING SYSTEM Sound System Colour System : A = BG/DK/I/M, R, N = BG/DK/I, CP = BG : A = PAL/SECAM/NTSC/NTSC P/B R, N = PAL/SECAM/NTSC P/B CP = PAL/NTSC P/B : 54 cm (21") diagonal : 75 Ohm Coaxial Cable : Audio/Video-in/out : 3W x 2 : A = AC 100 ~ 260V 50/60Hz R,N,CP = AC 150 ~260V 50/60Hz : 21" = 80W : 21" = 602(W) x 488(D) x 457(H) mm : 21" (25 kg) Picture Tube Ext. Antenna Ext. In/Out Speakers Volts Power Consumption Dimension Net Weigh REMOTE CONTROL Transmitting System Power Supply : Infra-red : DC 3V (1.5Vx2) Model No: CT-21NI9R Version 1.0 5 CAUTION Before serving the chassis, read the "X-Ray Radiation Precaution", "Safety Precaution" and "Product Safety Notice" on this page. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazardous X-Ray Radiation. To avoid such hazards, the high voltage must not be above the specified limit. The normal value of the high voltage of this receiver is 24KV at zero beam current (minimum brightness) under 220V AC power source. The high voltage must not, under any circumstances, exceed 30KV. 2. Each time a receiver requires servicing, the high voltage should be checked following the High Voltage Check procedure in this manual. It is recommended the reading of the high voltage should be recorded as a part of the service record. It is important to use an accurate and reliable high voltage meter. 3. The primary source of X-Ray Radiation in this TV receiver is the picture tube. For continued XRay Radiation protection, the replacement tube must be exactly the same type tube as specified in the part list. 4. Some parts in this receiver have special safety ­ related characteristics for X-Ray Radiation protection. For continued safety, parts replacement should be undertaken only after referring to the Product Safety Notice. SAFETY PRECAUTION Warning: Service should not be attempted by anyone unfamiliar with necessary precaution on this receiver. The following are the necessary precautio