File name 21TC647_29TC649.PDFNOBLEX
FILE NO.
SERVICE MANUAL Colour Television
Model No. 21TC647 29TC649
(Argentina)
Service Ref. No. 21TC647-00 21TC647-01 29TC649-00
NOBLEX
NOBLEX
Specifications
Power Source . . . . . . . . .AC110V-240V, 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 (R/L) ! 2 (436mVrms, more than 40K) Headphone Jack: Mini stereo jack ! 1 Sound Output (RMS) . . . .3W + 3W Speakers . . . . . . . . . . .5cm ! 9cm ! 2 Dimensions . . . . . . . . .Model 21TC647: 606 (W) ! 483(H) ! 479(D)mm Model 29TC649: 656 (W) ! 496(H) ! 600(D)mm Weight . . . . . . . . . . . . .Model 21TC647: approx. Kg Model 29TC649: approx. Kg
Product Code: 1 113 549 00 (21TC647) 1 113 550 00 (29TC649)
Original Version Chassis Series: LA4-A
Give complete "SERVICE REF. NO." for parts order or servicing. It is shown on the rating plate at the cabinet back of the unit.
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.
Specifications subject to change without notice.
C4BA/C4BAS/C4CA
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Chassis Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Service Adjustments with replacing Memory IC (IC802) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17 Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Purity and Convergence Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-21 Chassis Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-35
Safety Notice
SAFETY PRECAUTIONS
1: An isolation transformer should be connected in the power line between the receiver and the AC line when a service is performed on the primary of the converter transformer of the set. 2: Comply with all caution and safety-related notes provided on the cabinet |