Zenith A2221YI Скачать руководство пользователя страница 1 | Manualshive

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Содержание A2221YI

Страница 1: ...ck Turn the fringe lock control fully clockwise then counter clockwise approximately 1 4 turn Adjust picture to lock in with hold controls If picture jitters tears etc adjust fringe lock counter clock...

Страница 2: ...RESISTANCE VALUES UNDER ONE OHM NOT SHOWN ON SCHEMATIC DIAGRAM ARROWS ON CONTROLS INDICATE CLOCKWISE ROTATION CONTROL VIEWED FROM SHAFT END WAVEFORMS TAKEN WITH CONTROLS SET TO PRODUCE 50 VOLTS PEAK T...

Страница 3: ...NSFORMER TERMINAL LOCATION ZENITH MODELS A2221J JU Y YU A2223E EU H HU R RU Y YU A2245E EU R RU A2250M MU R RU A2251E EU R RU A2282E EU R RU A2673E EU R RU A3OOOE R A3OO1E H R A3OO4E R A3OO6E H R A3OO...

Страница 4: ...ND No pic no sound has raster VI V2 V3 Mode M2 V4 No pic no sound has snow V201 V202 VI No pic has sound has raster V4 V15 Has pic no sound V4 V6 V7 Overloaded picture V5 SYNC FAILURE No vert sync V5...

Страница 5: ...tioned as shown in Fig 1 The 39 75MC marker can fall within SMC of the specified frequency if the desired response cannot be obtained check to see that the cores are entering their respective windings...

Страница 6: ...POSITION VHP TUNER PAR IS 41682 A PHOTOFACT STANDARD NOTATION SCHEMATIC How d VC S m Co Inc 1958 TUNER SCHEMATIC DLCtfZl n D OZWZl MD U 38OOEW H 39OOEW M IfrOOEV a H 31OOCV S aoooEV na a ni 3E 9tv na...

Страница 7: ...c impedance usually 50 ohms Use only enough sweep generator output to provide a usable pattern on scope Use 10MC sweep unless otherwise noted Coils not containing adjustable cores are adjusted by expa...

Страница 8: ...e marker at 50 as in Fig 202 Adjust A222 and A223 for maxi mum gain and symmetry similar to Fig 202 10 o 2 o TUNER PARTS LIST AND DESCRIPTIONS TUBES GENERAL ELECTRIC SYLVANIA ITEM No V201 USE RF Amp T...

Страница 9: ...TUNER LEFT SIDE TUNER RIGHT SIDE PAGE 2O...

Страница 10: ...TOFACT S T A N D A R D NOTATION S C H E M A T I C How rJW S m aCo lne 1958 ALTERNATE UHF VHF TUNER SCHEMATIC DIEtf L 0 O OtV l H3 a 38OOEV a H 39OOEV M 3frOOCV H 31OOEW M 3OOOCV na a ns 3C 9cw na a ni...

Страница 11: ...ig 201 Adjust by expanding or compressing coil turns UHF ALIGNMENT Alignment of the UHF tuner should not be attempted unless proper test equipment is available Switch the receiver to the UHF position...

Страница 12: ...NOTATION SCHEMATIC Howird W Sim Co Inc 1958 ALTERNATE UHF VHF TUNER SCHEMATIC oizwzi n o ocv i HD a aeoocv a H 39ooev a a oocw a H aioocv a 3OOOEV na a n3 3CZ9ZW na a na ataczv na a n3 3isczv na a nw...

Страница 13: ...10J7 mmf if Hi 1 A203 J 4700n SOOmmf y 4 47mmf T _ J SOOmmf it T 9 F 47mmf g f r b J A202J 3900n JT 1 T1 0 4 5 30m 6 mmf o ll _ i 220K fc 1 F MIXER 1 PLATE COIL V g IF OUTPUT 10K osc S B6CG8 lOOOmmf...

Страница 14: ...AGE 16...

Страница 15: ...D ALIGNMENT IDENTIFICATION tr aacnod O L t t f L 0 D OCWZl MD a 38OOEW a H 39OOCV a 3frOOeV H 3LOOCV a 3OOOCV na a n3 3e 9cv na a 03 izvtiv na a ns aisitv na a nw wosctv na a n3 3s ctw iu A na a OH H...

Страница 16: ...AGE 1O...

Страница 17: ...AND INDUCTOR IDENTIFICATION aacnod DltW L 0 O OCV l MS Ji 380OCV a H 39OOCV a 3frOOCV H H 310OCV a 3OOOCV fia a 03 3C 9cw na a ns 3S8C5V na a na aisccv na a nw wosccv na a 03 ssfricw ru na a nn H ns...

Страница 18: ...e in a TV station preferably with a test pattern Set the brightness and contrast controls for a normal picture Turn the horizontal hold clockwise until the picture loses sync It may be necessary to sw...

Страница 19: ...22 14 22 17 22 1778 22 1777 22 2667 22 2859 22 12 22 17 22 21 22 14 22 1841 22 3 22 2694 AEROVOX PART No HVD 15 470 NPO SI1 5 1469 00033 P288N 1 P288N 1 BPD 01 HVD 15 1000 BPD 01 P288N 33 NPO SI3 3 SI...

Страница 20: ...6 63 1869 63 1869 63 1834 63 1883 63 1765 93 957 63 1729 63 1876 63 1884 63 1845 63 1858 63 1880 63 1911 63 1918 63 1904 63 1898 63 1889 63 1880 63 947 63 1855 63 1870 NOTES RESISTORS Allwattagesl Zwa...

Страница 21: ...D PM PM PM PM Electrc V C IMP 3 4 2 3 4S2 3 4S 3 4 2 static REPLACEMENT DATA ZENITH PART No 49 751 J 49 752 49 764 49 780CJ 49 818 49 827 49 834 J 49 835 CD S 23829 5 QUAM PART No 52A1 10A31 10A6 8A21...

Страница 22: ...dels A2221J JU Channel Selector Models A2223E EU H HU R RU Y YU A2245E EU R RU A2250M MU H RU A2251E EU R RU A2282E EU R RU A2673E EU R RU Channel Selector Models A3000E R A3001E H R A3004 E R A3006E...

Страница 23: ...UT GRID CHASSIS TOP VIEW aacnod ioitv 1 n o ocvzi M3 a asooev a H 39oocv a afrooev a H aiooev a aooocv na a na aci9cv na a na acaicv na a na aisscv na a nw wosctv na a na as tcw nA A na a nH H na accz...

Страница 24: ...Imeg t390K Oo 550K 1 2meg 33K Oo Oo Pin 8 t23K t33K On t47K UK Oo 10 PINS 1 THRU 8 HAVE INFINITE RESISTANCE NC On t 700n tlOK 1 27K 55K 100K TP PIN6 t60K INF tlOOK 30o PIN10 t60K On On NC PIN11 180K...

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