Magnavox U26-O1AA, Disassembly Instructions Manual

Page 1: ...by removing the Channel Selector and Fine Tuning knobs Set the Fine Tuning at the center of its range The adjustments are accessible one at a time as the Channel Selector is rotated Adjust for best pi...

Page 2: ...ONTROLS SET TO PRODUCE 50 VOLTS PEAK TO PEAK SIGNAL AT PICTURE TUBE 2 nr vol per Pin bot voltage meter volt numbe torn of measurements taken with vacuum tube AC voltage measured at 1000 ohms socket 3...

Page 3: ...PER 6AT6 VOLTAGE DIVIDER 6DG6GT USED IN I 22K CHASSIS A 1W 26 01AA X 1 T v 240V L PLUC SOCKET 12 MAGNAVOX CHASSIS U26 O1AA O2AA O3AA O4AA V26 O1AA O2AA O3AA O4AA AMP 142CC AMP 169AA CR 745BB 26 Series...

Page 4: ...e indicated symptoms Refer to tube placement chart for location and type of tube POWER SUPPLY FAILURE No raster no sound V17 SWEEP FAILURE No raster has sound Fuse M2 Rectifier Ml VIS W V15 V16 V18 No...

Page 5: ...djust to place marker in trap notch If two points are found to do this use the one with slug farthest counterclockwise Adjust for maximum gain and symmetry of response similar to Fig 1 with markers as...

Page 6: ...PLATE COIL Y2ffl 6CG8 VALUE OR APPLICATION A PHOTOFACT STANDARD NOTATION SCHEMATIC Howard W S ms S Co Inc 1958 VHF TUNER 700662 1 UHF VHF TUNER 700663 1 MIXER PLATE COIL RF TUNER TOP VIEW SET 404 FOLD...

Page 7: ...i nals with 12012 in each lead SWEEP GENERATOR FREQUENCY 213 MC 10MCSwp 207MC 10MCSwp 201MC 10MCSwp 195MC 10MC Swp 189MC 10MCSwp 183MC 10MC Swp 177MC 10MC iwp 85MC 10MC Swp 79MC 10MC Swp 69MC 10MCSwp...

Page 8: ...24 _ 01 CONTROL PLUG SOCKET I I 2 VER CONTROL PLUG SOCKET If 4 UHF 1000 VERSIONS JT BRIGHTNESS 200K PART 1220132 2 135V 270V CONTROL PLUG SOCKET TERMINAL GUIDE 12 TP WOOnmf 275V 2 A PHOTOFACT STANDARD...

Page 9: ...C27 CHASSIS BOTTOM VIEW CAPAC PAGE 8...

Page 10: ...o 0 J X o to j ui S o o M J O 5 ACITOR ALIGNMENT IDENT PAGE 13...

Page 11: ...CHASSIS BOTTOM VIEW RES PAGE 12...

Page 12: ...o II If 8 25 ui 5 b M O j if O m lESISTOR INDUCTOR IDENT SET 404 FOLDER 3 PAGE 9...

Page 13: ...21 GEM 4168 GEM 201 GEM 401 GEM 6233 MCB251 MCB251 GEM 16247 MCB251 GEM 4147 GEM 4147 GEM 601 SPRAGUE PART No 5GA T47 5GA TS 5GA T68 5GA T8 5GA T8 5HK D15 5GA T68 4TM P22 5TCC T1 5HK D1 4TM P22 5TCCB...

Page 14: ...6 REP1ACEM MAGNAVOX PART No CB PART 1N6 M TRANSFORMER POWER ITEM No Tl RATING PRI 127V Tap U7V 2A SEC 3 6 3V 10 6A SEC 1 560VCT 300A SEC 4 SEC 2 5V 3 3 5A SEC 5 REPLACEMENT DATA MAGNAVOX PART No 30009...

Page 15: ...1 700530 3 360755 1 441914 1 NOTES 47 VHF UHF VHF UHF ncludea yoke rear cover Fine Tuning WIRING DATA High Volta Shielded H General u Power Cor 300fi Tune 300S2 Ante Antenna R ook up W e Unshie d Inte...

Page 16: ...UHF TUNER LEFT SIDE UHF TUNER RIGHT SIDE PAGE 14...

Page 17: ...0 5 10 N220 10 N150 t 25mmf RESISTORS All wattages 1 2 watt or less unless otherwise listed ITEM No R201 R202 R203 R204 RATING OHMS 4700H 1000S2 3900S 220K WATT MAGNAVOX PART No 230104 60 230104 69 23...

Page 18: ...N 47 DD 471 DD 471 CORNELL DUBILIER PART No L10T47 L10T47 ERIE PART No TCO 1 TCO 1 TC7 47 ED 470 ED 470 MALLORY PART No UC 5347 UC 5347 SPRAGUE PART No 5TCCB V1 5TCCB V1 5GA T47 5GA T47 NOTES N750 5 5...

Page 19: ...o o x 01 c K CONTROL PANEL D O S 5S 1 2 Pg CHASSIS TOP VIEW o 0 m JO PAGE 17...

Page 20: ...On In Pin8 tt20K 120K 33000 NC 10 t 3 5K Oo PINS 1 THRU 8 HAVE INFINITE RESISTANCE TP In Oo 39000 Pinl 120K Oo 1 2meg tt3900n Pin 2 NC t420K On On Pin 3 18o tlSOK 10 Oo Pin4 NC NC ttlOOOn In Pin5 16n...

Page 21: ...ion until the pic ture Just falls out of sync Reverse the direction of rotation until the picture just falls in sync Rotate the Horizontal Hold control to both extreme ends of rotation The picture sho...