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File name LC1-B C20LB87M noblex 14tc639.pdf

FILE NO. SERVICE MANUAL Colour Television Model No. C14LT77M C20LB87M (Argentina) Service Ref. No. C14LT77M-00 C20LB87M-00 VIDEO MODE POWER AUDIO MODE 1 4 7 RECALL MENU VOL- 2 5 8 0 3 6 9 SLEEP IMAGE +VOL vCHw MUTE DISPLAY VIDEO AUDIO MENU CH - VOL + VIDEO AUDIO MENU CH - VOL + FXMR Specifications Power Source . . . . . . . . .AC220V, 50Hz / 60Hz Receiving System . . . . . .PAL (M/M, N/N), NTSC (M/M) Channel Coverage Antenna mode VHF: CH02-CH13, UHF: CH14-CH69 CATV mode VHF band: CH01-CH13, Mid band: CH14-CH22 Super band: CH23-CH36, Hyper band: CH37-CH64 Ultra band: CH65-CH94 and CH100-CH125 Low mid band: CH95-CH99 Video IF . . . . . . . . . . . . .45.75MHz Aerial Input Impedance . .75 Ext. Terminals Video inputs: Phono jack ! 2(1Vp - p, 75) Audio inputs: Phono jack ! 2 (436mVrms, more than 40K) Headphone Jack: Mini jack ! 1 Sound Output (Music) . . .2.0W Dimensions . . . . . . . . .Model C14LT77M: 380(W) ! 356(H) ! 383.5(D)mm Model C20LB87M: 496(W) ! 464(H) ! 472(D)mm Weight . . . . . . . . . . . . .Model C14LT77M: approx. 9.4Kg Model C20LB87M: approx. 16.7 Kg Product Code: 1 113 377 14 (C14LT77M) 1 113 378 14 (C20LB87M) Original Version Chassis Series: LC1-B Give complete "SERVICE REF. NO." for parts order or servicing. It is shown on the rating plate at the cabinet back of the unit. Specifications subject to change without notice. This T.V. receiver will not work properly in foreign countries where the television transmission system and power source differ from the design specifications. Refer to the specification table. REFERENCE NO. SM5110213 F5SS/F5TS Contents Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Chassis Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Service Adjustments with replacing Memory IC (IC802) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12 Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Purity and Convergence Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-16 Chassis Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-28 Safety Notice SAFE