Magnavox-CT-214-CT-218-CT-221-Sams-62-13电路原理图.pdf

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1、PHOTOFACT* Folder MAGNAVOX CHASSIS CT-214, CT-218, CT-221 VOL.CONT ON OFF SW. CHANNEL SELECTOR BRIGHTNESS VERT. HORIZ. CONTRAST FINE CONT. HOLD HOLD CONT TUNING TRADE NAME Ilagnavox Chassis CT214, CT218, CT221 MANUFACTURER Ilagnavox Co., 2131 Bueter Rd., Fort Wayne, Indiana TYPE SET Television Recei

2、ver TUBES Twenty-three POWER SUPPLY 105-125 Volts, 60 cycle ACRATING 2.0 Amps, ( a ) 117 Volts Alignment Instructions Block Diagram Circuit Modifications 18 Linearity Adjustments 18 Parts List and Description 16,17,18 Parts List (Tuner-Chassis CT214) 22 Parts List (Tuner-Chassis CT221) 15 Photograph

3、s Cabinet-Rear View 23 Capacitor Identification 12,21 Chassis-Top View 3 Horizontal Sweep Compartment 23 INDEX Page 6,7,8 Photographs (continued) 24 RF Tuner (Chassis CT214) RF Tuner (Chassis CT218) RF Tuner (Chassis CT221) Resistor Identification Trans., Inductor and Alignment Identification Schema

4、tic (Complete Receiver) Schematlc-RF Tuner (Chassis CT214) Schematlc-RF Tuner (Chassis CT221) Tube Placement Chart Voltage and Resistance Page 11 5 10 14,19 4,9 2C 22 15 20 13 HOWARD W. SAMS i7GT fiGBr; SV4G 1B3GT 5U4CJ 1DBP4 Pin 1 -5 . 5V.DC - , svnc i v.svnn -5 . 6VDC -5. TV DC -F, Rvnn QJ tnv -45

5、V DC ov ov - . 2VDC m -.4VDC nv -.2VEG t -2dVDC T -i .svnr. nv ov nv ov Pin 2 .9VDO OV nv OV ov ov i Rvnn ti?nvnn -45VDC OV ov ov - pvr OV 6.3VAC 235VDG T 50V DC T108VDC t TOfiVCO 6.3VAC T430VDC 31 nvnc -70VDC Pin 3 OV nv nv 6.3VAC 6.3VAC fi 3VAP fi win ti Rvnn 6.3VAC 6. 3V AC 6. 3, AC 6.3VAC fi 3V

6、AC OV t 260VDC 10VDC tov t -ivno T7.4VDC T430VDC DO NOT 13 OV PIN 10 230VDC Pin 4 U.3VAC 6.3VAC fi 3vn OV ov nv nv - FWno. OV OV ov ov nv 6.3VAC 275VDO -.6V DC t -1.3V DC T -44-vnc T330VDC T400VDC ASURE iiRSVAO PIN 11 OV Pin 5 1 90VDC 1 ROVDC i 7svnn 145VDC 1 dfiVDC i d.svnn 80VDC i 3nvnn ov 115VDC

7、135V DC 50VDC nv -5.8VDC tov 130VDC T 300VDC T195VDC T -2VDC OV nv PIK 12 6.3VAC Pin 6 1 90VDC 1 1 5VDC - Rvnn 145VDC 1 45VDC 1 4SVDC 130VDC OV OV 115VDC 112VDC 50V DC CV 73VDC tov OV t4.8VDC T18VDC tov T310VDC T400VDC 3R5VAC Pin 7 OV ov n svnr. ov ov ov 1.8VDC nv -75VDC 1.5VDC 1.5VDC OV -.3VDC 85VD

8、C OV OV 6.3 VAC B.3 VAC OV OV -H5VDC Pin 8 S.3 VAC t21VDC 6.3VAC OV OV T240VDC T480VDC 31 OVDC Cap a Taken with VTVK * Do not measure t Measured from pin 6 of V18 Item 1 2 3 4 5 6 7 e 9 10 CO CO CD O m RadioFans.CN -.X l/- i 4 -RESISTOR IDENTIFICATION PAGE 19 RadioFans.CN A PHOTOFACT STANDARD NOTATI

9、ON SCHEMATIC C)Howard W. Soms ST-4-02 ST-4-25 ST-6-05 MOS.5-34 ST-4-25 ST-6-05 ST-6-03 ST-6-05 110.5-55 ST-4-25 MPH-4-05 HPH-4-05 Mw.3-11 SPRAGUE PART No. TM-11 TM-25 TM-15 1F.M-31 TM-22 TM-25 TM-25 TM-1 TC-2 TI1-13 TM-22 TH-12 TC-2 TM-15 HS-34 TC-2 TM-15 TM-13 TH-15 i.S-b6 TC-2 TM-15 TK-15 1FM-11 I

10、DENTIFICATION CODES AND INSTALLATION NOTES Audio Coupling Output Plate Bypass Sync. Coupling Sync. Coupling * Integrator Net. Vert. Osc. Grid Vert. Discharge Vert. Coupling Vert. Cent. Cont. Byp. Hor. Sync. Coupling AFC Filter Hor. AFC Plate Byp. Her. Osc. Grid Cap. Hor. Discharge Hor. Coupling Hor.

11、 Output Cath. Byp. lior. Output Screen Byp Damper Filter AFC Feedback Hor. Cent. Cont. Byp. liV Filter Contr. Cont. Bypass Line Filter * Some mode T Not used Is use 120MMF In this application. in all models. CONTROLS ITEM No. R1A B C R2A R4A B R5A B R6 R7 R8 R9A B R10A RESIST- ANCE 1 Meg. Shaft Swit

12、ch 50KS2 Shaft 1 Meg. Shaft 50KS?, Shaft 10K2 Shaft SOB 302 22002 50002 Shaft 2.5 Meg REPLACEMENT DATA MAGNAVOX PART No. 220076G8 Not Req. Not Req. 220076G7 Not Req. 220076G12 Not Req. 220076G11 Not Req. 220076G6 Not Req. 220076G10 220076G9 220076G1 220076G3 Not Req. 220076GS IRC PART No. D13-137 A

13、41 Dll-123 A Dll-137 A D13-123 A Dll-116 A W-30 W-3000 Dll-114 E CLAROSTAT PART No. M-63-Z Not Req. SW-A M-44-S hot Req. M-61-S Not Req. M-46-Z Not Req. M-27-S Not Req. 58-30C.TAP 58-30 58-3000 AM-19-S KSS-3 M-83-S INSTALLATION NOTES Volume control Attach to R1A Per Instructions Brightness control A

14、ttach to R2A Per Instructions Vert. Hold control Attach to R3A Per Instructions Horlz. Hold control Attacht o R4A Per Instructions Contrast c ontrol Attach to R5A Per Instructions Vert. Centering control tapped (a) 15B Horiz. Centering control Focus control Vert. Linearity control Attpchto R9A Per I

15、nstructions lieirht control RESISTORS ITEM No. Rll R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 R49 R50 R51 R52 R53 R54 R55 R56 R57 R58 RESISTANCE isoa ioKa 22KB isoa 4700B 1 Meg. 47K2 22K2 4702 68002

16、10002 1502 10K2 392 10002 10002 10002 12K2 lOKffl 82K2 6.8 Meg. 1000B 10KB 392 10002 1502 1502 47002 392 27002 lOOOffl 1502 5600B 10002 47002 1 Meg. 20002 1 Meg. 1002 33002 10K2 2.2 Meg. 150K2 1 Meg. 47K2 1002 22002 470K2 REPLACEMENT DATA MAGNAVOX PART No. 230084G52 230084G74 230084045 230084062 230

17、084G62 230084G62 230084G75 230084G74 230084G85 230084G36 230084G62 230084G74 230084G45 230084G62 230084G52 230084G52 230084G70 230084G70 230084G67 230084G62 230084G52 230084G71 230084G13 230084G70 230084G31 230084G166 230084G31 230084G7 230085G171 230084G19 230084G33 230084G88 230084G31 230084G23 23

18、0084G7 230084G1S 230084G29 IRC PART No. BTS-22K BTS-47K BTS-22K BTS-1000 BTS-1000 BTS-1000 BTS-12K BTS-10K BTS-82K BTS-6.8 Meg BTS-1000 BTS-2700 BTS-1000 BTS-5600 bTS-1000 BTS-4700 BTS-1 Meg. BTS-1 Meg. BTS-3300-556 BTS-10K BTS-2.2 Meg BTS-150K BTS-1 Meg. BTS-47K BTS-2200 BTS-470K IDENTIFICATION COD

19、ES All resistors are 20% unless otherwise stated. Br.-Grn.-br. Br.-Blk.-Or. Red-Red-Or. Br.-Grn.-Br. Yl.-Vi.-Red Br.-Grn.-Grn. Yl.-Vl.-Or. Red-Red-Or. Yl.-Vi.-Br. Blue-Gray-Red Br.-Blk.-Red Br.-Grn.-Br. Br.-Blk.-Or. Or.-Whlte-Blk. Br.-Blk.-Red Br.-Blk.-Red Br.-Blk.-Red Br.-Red-Or. Br.-Blk.-Or. Gray-

20、Red-Or. Blue-Gray-Grn. flr.-Blk.-Red Br.-Blk.-Or. Or.-Whlte-Blk. Br.-Blk.-Red Br.-Grn.-Br. Br. -Grn.-Br. Yl.-Vl.-Red Or.-White-Blk. Red-Vl.-Red Br.-Blk.-Red Br.-Grn.-Br. Grn.-Blue-Red Br.-Blk.-Red Yl.-Vl.-Red Br.-Blk.-Grn. Red-Blk.-Red Br.-Blk.-Grn. Br.-Blk.-Br. Or.-Or.-Red Br.-Blk.-Or. Red-Red-Grn.

21、 Br.-Grn.-Yl. Br.-Blk.-Grn. Yl.-Vl.-Or. Br.-Blk.-Br. Red-Red-Red Yl.-Vi.-Yl. RF Decoupling RF Screen RF Grid RF Cathode Mixer Coil Shunt Mixer Grid Mixer Screen Osc. Grid OSC. Cathode Osc. Plate Mixer Decoupling Decoupling 1st Video IF Grid 1st Video IF Cathode 1st Video IF Decoupling Bias Network 2

22、nd Video IF Grid 2nd Video IF Cathode 2nd Video IF Decoupling DecouplIrg 3rd Video 3rd Video 3rd Video 3rd Video 4th Video 4th Video 4th Video Video Det. 1st Video 1st Video 2nd Video 2nd Video Video Amp. Picture Tube Grid DC Restorer Load Picture Tube Bias Filter DC Restorer Load IF Grid IF Cathode

23、 IF Plate IF Decoupling IF Cathode IF Plate IF Decoupling Load Amp. Grid Amp. Plate Amp. Grid Amp. Cathode Plate ITEM No. R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R81 R38 R83 R84 R85 R86 R87 R88 R89 R90 R91 R92 R93 R94 R95 R96 R97 R98 R99 R100 R101 RJOg

24、 R103 R104 R105 R106 R107 R108 R109 R110 Rill R112 R113 R114 R11S R116 Rll? Riia RESISTANCE WATTS 1002 68002 22KS2 10002 22K2 10KS2 10K2 lOOKffl 100K2 22K2 15 Meg. 220K2 470KB 8202 1500S 1 Meg. 15K2 3.9 Meg. 68002 22KS 82002 82002 1 Meg. 100K2 4.7 Meg. 1.5 Meg. 3300S 2.2 Meg. 5602 10002 3302 1202 10

25、402 33KS2 33KB 362 2202 2202 800B 560K2 180K2 150KB 82002 3.3 Meg. 270K8 120K2 30K2-38K2 10K2 100K2 10K2 120K2 150K2 432 1 Meg. 822 47002 56K8 560K2 1 Meg. 4.7 Meg. PART N 230084G7 230084G1 230084G1 230084G1 23008402 230084G1 230084G1 23008402 230084G2 230084G2 230084G2 23008509 23008402 230086G6 23

26、0086Q1 230084G3 230085G? 230084G1 230084G1 230084GE 230084-0 230084Gr, 230084GJ 230084-GJ 230084GJ 230084GE 230084G1 230084GC- 23008SGE 230085GI 230086G1 240035G, 230086G! 230086G; 230084G 230086G! 230086Q! 2400350! S30090GS 230090G 230090G! 230084G 230084G 230090G1 230084GS 230091G 230084G-, 230092

27、G 230084G 2300900;- 230084Gf 230084G 23008405 230086G2.0A SEC. 1 I SEC. 2 750VCT . 24AD( 6.2VAC 7.6A 5VAC 3A TR/s DC RESISTANCE PRT. 1252 Tap i902 L702 H.OS2 Tap ill 702 S702 142 622 3952 02 6.72 MAGNAVO PART No 320024G1 360541G1 TR ITEM No.DC RES. PRI. 4102 .222 3, ITEM No. FIELD RES. PM 1 RadioFan

28、s.CN DESCRIPTIONS SOLAR SPRAGUE No. PART No. PART No. ti-01ST-6-01 ET-6-005 ST-4-05 HO.5-31 ST-6-002 ST-6-005 ST-6-005 3T-4-1 6T-4-25 ST-6-03 ST-6-002 ST-4-02 ST-4-25 ST-6-05 I10S.5-34 ST-4-25 ST-6-05 ST-6-03 ST-6-05 110.5-55 ST-4-25 IlPli-4-05 KPH-4-05 I1W.3-11 TI1-11 TM-25 TM-1S 1FK-31 TM-22 TH-25

29、 TM-25 TM-1 TC-2 TT-1-13 TM-22 TK-12 TC-2 TM-15 HS-34 TC-2 TII-15 TM-13 TI-1-15 KS-55 1FM-32! TC-2 Tll-15 TK-15 IDENTIFICATION CODES AND INSTALLATION NOTES Audio Coupling Output Plate Bypass Sync. Coupling Sync. Coupling * Integrator Net. Vert. Osc. Grid Vert. Discharge Vert. Coupling Vert. Cent. Co

30、nt. Byp. Hor. Sync. Coupling AFC Filter Hor. Hor. Hor. Hor. Hor. Hor. Damp AFC Plate Byp. Osc. Grid Cap. Discharge Coupling Output Catt:. byp. Output Screen Byp ir Filter AFC Feedback Hor. Cent. Cont. Byp. HV Filter Contr. Cont. Bypass Line Filter Fixed Trimmer t )LS INSTALLATION NOTES Volume contro

31、l Attach to R1A Per Instructions Brightness control Attach to R2A Per Instructions Vert. Hild control Attach to R3A Per Instructions Horiz. Hold control Attacht o R4A Per Instructions Contrast c ontrol Attach to R5A Per Instructions Vert. Centering control tapped ) 15ft Horiz. Centering; control Foc

32、us control Vert. Linearity control Att?cito R9A Per Instructions Helrht control IDENTIFICATION CODES resistors are 20% unless otherwise stated. Grn. -Br. Blk.-Or. -Red-Or. -Grn. -Br. VI.-Red -Grn. -Grn. -VI.-Or. -Red-Or. -VI.-Dr. ;-G ray-Red -Blk.-Red -Grn. -Br. -Blk.-Or. White-Elk. -Blk.-Red -Blk.-

33、Red -Blk.-Red -Red-Or. -Blk.-Or. -Red-Or. i-Gray-Grn. Blk.-Red Blk. -Or. -Whlte-Dlk. filk.-Red Grn.-nr. -Grn. -Br. VI.-Red Whlte-Dlk. -VI.-Red -Blk.-Red Grn.-Br. -Blue-Red -Blk.-Red VI.-Red -Blk.-Grn. Blk.-Red -Blk.-Grn. Blk.-Br. Or.-Red Blk.-Or. Red-Grn. 3rn.-Yl. Blk.-Grn. VI.-Or. Blk.-Br. Red-Red

34、Vi.-Yl. RF Decoupling RF Screen RF Grid RF Cathode Mixer Coil Shunt Mixer Grid Mixer Screen Osc. Grid OsC. Cathode Osc. Plate Mixer Decoupling Decoupling 1st Video IF Grid 1st Video IF Cathode 1st Video IF Decoupling Bias Network 2nd Video IF Grid 2nd Video IF Cathode 2nd Video IF Decoupling Decoupl

35、irg 3rd Video IF Grid 3rd Video IF Cathode 3rd Video IF Plate 3rd Video IF Decoupling 4th Video IF Cathode 4th Video IF Plate 4th Video IF Decoupling Video Det. Load 1st Video Amp. Grid 1st Video Amp. Plate 2nd Video Amp. Grid 2nd Video Amp. Cathode Video Amp. Plate Picture Tube Grid DC Restorer Loa

36、d Picture Tube Bias Filter DC Restorer Load 1st Sound IF Cathode 1st Sound IF Decoupling 2nd Sound IF Grid RESISTORS ITEM No. R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R31 R82 R83 R84 R8S R86 R87 R88 R89 R90 R91 R92 R93 R04 R95 R96 R97 R98 R99 R100 R101

37、RIO; RIO: R104 HI 05 R106 RIO1 R108 R109 R110 Rill Rll Rll HI 14 Rll R116 Rll R118 RATING RESISTANCE WATTS 1002 68002 22K2 1000S! 22KS 10KS! lOKffl 100KS2 10GK2 22K2 15 Meg. 220K2 470K2 820S 15002 1 Meg. 15KH 3.9 Meg. 22KS2 82002 82002 1 Meg. 100K2 4.7 Meg. 1.5 Meg. 3300S 2 2 MeK 5602 10002 3302 120

38、2 10402 33K2 33KS2 sea 2202 2202 8002 bdOK2 180K2 150K2 82002 3.3 Meg. 270K2 120K2 30K2-38KS2 10K2 100K2 10K2 120K2 150K2 432 1 Meg. 822 47002 56K2 560K2 I Meg. 4.7 Meg. REPLACEMENT DATA MAGNAVOX PART No. 230084G7 230084G18 230084G18 230084013 230084G21 230084G19 230084G19 230084G25 230084G25 230084

39、G21 230084G256 230085090 230084G29 230086G61 230086G14 230084031 230085G20 2300840105 230084G18 230084G21 2B0084G73 230084073 230084G231 230084025 230084G35 230084G32 230084G16 230084G33 230085G59 230085G13 230086G10 240035G7 230086G22 230086G22 230084G124 230086G9 230086G9 240035G8 230090G5 230090G

40、4 230090G2 230084G73 230084G73 230090G1 230084G87 230091G1 230084G74 230092G1 230084G19 230090G3 230084G26 230084G126 230084G31 230086G49 230086G17 230084G83 230084G95 230085G31 230084G35 IRC PART No. BTS-6800 BTS-22K BTS-1000 BTS-22K BTA-10K BTA-10K BTS-100K BTS-100K BTS-22K BTS-15 Meg. BTA-220K BT

41、S-470K BW-2-820 BT-2-1500 BTS-1 Meg. BTA-15K BTS-3.9 Meg. BTS-6800 BTS-22K BTS-8200 BTS-8200 BTS-1 Meg-5% BTS-100K BTS-4.7 Meg. BTS-1.5 Mep. BTS-3300 BTS-2.2 Meg. DTA-560 BTA-1000 BW-2-330 BW-2-1SO DHA-lOOOif BT-2-33K BT-2-33K bW-2-220 BW-2-220 AB-800 BTS-560K-5% BTS-180K-5% BTA-150K-5* BTS-8200 BTS

42、-3.3 Meg. BTA-270K BTS-120K BTS-10K BTS-10K BT-2-120K BTS-1SOK BT-2-4700 BTS-56K BTS-560K BTS-4.7 Meg. IDENTIFICATION CODES Br.-Blk.-Br. Blue-Gray-Red Red-Red-Or. jr.-Blk.-Red Red-Red-Or. Br.-BIk.-Or. Jr.-Blk.-Or. Jr.-Blk.-Yl. 6r.-Blk.-Yl. Red-Red-Or. Br.-Grn.-Blue Red-Red-Yl. Y1.-V1.-Y1. Gray-Red-B

43、r. Br.-Grn.-Red Br.-Blk.-Grn. Br.-Grn.-Or. Or.-White-Grr,. Blue-Gray-Red Red-Red-Or. Gray-Red-Red Gray-Red-Red Br.-Blk.-Grn. i3r.-Blk.-Yl. Yl.-Vl.-Orn. Br.-Grn.-Grn. Or.-Or.-Red Red-Red-Grn. Grn.-Blue-Br. Br.-Blk.-Red Or.-Or.-Br. Br.-Red-Br. Or.-Or.-Or. Or.-Or.-Or. Or.-Blue-Blk. Red-Red-Br. Red-Red-

44、Br. Grn.-!lue-Yl. Br.-Gray-Yl. Br.-Grn.-Yl. Gray-Red-Red Or.-Or.-Grn. Red-Vi.-Yl. Br.-Red-Yl. Br.-Blk.-Or. Br.-Blk.-Yl. Br.-Blk.-Or. Br.-Red-Yl. Br.-Grn.-Yl. Yl.-Or.-Blk. Br.-Blk.-Grn. Gray-Red-Blk. Yl.-Vi.-Red Grn.-Blue-Or. Grn.-blue-Yl. Br. Blk.-Grn. Yl.-Vl.-Grn. 2nd Sound IF Cathode 2nd Sound IF

45、Screen 2nd Sound IF Coil Shunt 2nd Sound IF Decoupling Limiter Grid Llmiter Decoupling Llmiter Screen Bleeder Disc. Load De-emphasis AF Grid AF Plate Output Grid Output Cathode Filter Sync. Amp. Grid Sync. Amp. Plate Sync. Amp. Clipper Grid Sync. Clipper Cathode Integrator Vert. Osc. Grid Voltage Di

46、vider Vert. Osc. Plate Vert, leaking Vert. Output Grid Vert. Output Cathode Vert. Output Decoupling Focus Coll Shunt Series Focus Coll Voltage Divider Tapped Horlz. AFC Grid Horiz. AFC Cathode Voltage Divider AFC Filter Voltaire Divider Horlz. Osc. Coll Shunt Horiz. Osc. Grid Filter Horlz. Osc. Plat

47、e Feedback Network Parasitic Suppressor Horlz. Output Grid Horiz. Output Cathode Voltage Dropping Filter Feedback Network HV Filter Bias Network 10* 10% 1056 10% 10* 1% 1C* 1C* 10% 10% # Set slider at center point. TRANSFORMER (POWER) 2 O *z Q 90ffi 1702 1102 Tap. s)1702 6709. 142 62fi 3S52 1480S 7.

48、52 02 6.72 REPLACEMENT DATA MAGNAVOX PART No. 320025G1 320026G1 320024G1 STANCOR PART No. A-812 A-8117 A-9115 DY-1 CHICAGO PART No. TBO-1 TFB-1 MERIT PART No. Hor. Syncro-Gulde Trans. Vert. Block Osc. Trans. Kor. Output Trans. Vert. Output Trans. Hor. Deflection Yoke Vert. Focus Coll TRANSFORMER (AU

49、DIO OUTPUT) ITEM No. SEC. 9.5K2 3.22 REPLACEMENT DATA MAGNAVOX PART No. 320027G1 STANCOR PART No. CHICAGO PART No. SPEAKER MERIT PART No, A-2904 INSTALLATION NOTES ITEM No. SP27 1/4 REPLACEMENT DATA MAGNAVOX PART No. JENSEN PART No. QUAM PART No. PAGE 17 RadioFans.CN PARTS LIST AND DESCRIPTIONS (Continued) FILTER CHOKE ITEM No. LI RATINGS TOTAL DIRECT CURRENT .240A B.C. RESISTANCE 602 INDUCTANCE 0 CURRENT 10001 1.6Henry REPLACEMENT DATA MAGNAVOX PART No. 360340G1 STANCOR PART No. C-1703* CHICAGO PART No. MERIT PART No. C-2991* INSTALLATION NOTES * Drill one new mounting hole. CO