BEKO BEKO chassis CNT-BB free download

File name BEKO chassis CNT-BB.pdf

ANNEX 2 TO SERVICE MANUAL CTN-BB This supplement refers to change of Microprocessor for Circuit Reference 7600. Chassis type is changed from CTN to CTN-BB. Contents Page Introduction 2 Circuit Diagrams 3-6 Print board layout 7-8 Circuit Description Small signal processing 9 - 10 RBG Amplifiers 11 Sound Circuit 11 Power Supply 12 - 13 Deflection 14 Microcontroller/Text 14 - 15 Service components 16 - 17 - 18 Introduction The main change on this Chassis to the previous CTN-AA type are the introduction of new Microprocessors for both - Text and Non Text Models. Also the Flyback Transformer for 20 ONLY MODELS has been changed. The relevant Circuit Diagrams and PCB Layouts have been amended to show these changes, plus minor corrections/updates have been made to all other circuit information where this has been found necessary. Page 16, 17 and 18 shows different Part Numbers for the Component changes on the new chassis. Please use the original CTN Service Manual for all other parts information. 2 1001 F7 3284 M4 1015 C4 3285 M4 1032 E3 3286 M5 1033 E4 3289 M5 1272 I5 3290 K5 2001 G6 3291 K5 2002 H7 3292 K5 2003 F6 3340 B8 2005 G8 3341 B8 2006 G8 3342 B9 2007 F2 3345 D7 2010 B4 3350 C7 2011 B4 3351 A7 2013 B4 3353 B7 2014 A3 3354 B7 2015 F5 3370 D7 2016 F5 3371 D8 2017 B5 3372 D8 2018 C5 3841 J7 2019 G1 3843 J7 2022 D6 3845 K7 2025 D5 3848 L7 2030 E2 3850 I8 2034 E4 3851 I7 2037 E2 3852 J8 2041 B2 3853 J7 2043 B2 3854 I8 2044 A2 3855 K7 2045 D2 3858 L7 2050 G3 3860 I7 2053 E4 3862 L7 2080 G5 3865 L7 2082 G5 3871 M8 2084 G5 3875 L8 2261 J5 3876 M8 2262 J5 3879 J8 2265 I5 3880 J9 2267 I3 3881 J8 2268 I3 3882 K8 2271 I1 3883 K8 2272 J2 3884 M7 2273 J2 5001 F6 2274 K1 5010 B5 2275 L1 5012 B3 2279 L3 5015 G2 2280 L3 5032 E3 2284 M4 5040 C2 2285 M4 5043 B2 2286 M5 6001 F6 2291 K6 6014 A3 2292 K6 6020 B5 2293 K6 6042 B2 2297 H1 6275 L1 2340 B9 6289 L5 2350 A8 6372 D8 2351 A7 6849 L7 2354 A7 7001 F6 2366 B9 7015 D4 2370 C7 7016 F1 2371 C7 7030 E2 2850 I8 7250 H2 2852 I8 7271 K1 2856 I9 7875 M8