Capehart-CT-27-38-45-Sams-160-2电路原理图.pdf

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1、PHOTOFACT* Folder CAPEHART CHASSIS CT-27, CT-38, CT-45 (Ch. Series CX-33DX VOLUME CONTROL ON-OFf SW SHADING CONTROL FOCUS CONTROL HEIGHT CONTROL CHANNEL SELECTOR SWITCH BALANCE CONTROL CONTRAST CONTROL Capehart Model 331MX VERT. HOLD CONTROL TRADE NAME MANUFACTURER TYPE SET TUBES POWER SUPPLY TUNING

2、 RANGE CAPEHART: The CX-33DX chassis has 6 production run versions. The production chassis and production run or Series numbers are stamped on both the front and rear aprons of the chassis. Example: A chassis stamped CT-27-3 is the CT-27 version of the CX-33DX chassis-Produc- tion run 3. There have

3、been two production runs of this chassis, those coded with a -2 are t he original production. The chassis are classified as follows. MODEL CHASSIS 1T17MX CT-27 2T20MX CT-38 3C17MX, 319MX, BX, 320MX, BX CT-27 321AMX, ABX, 322RAMX, RABX CT-27 324BX, 325AFX, 326MX CT-27 331MX, BX CT-38 335MX.BX, 336CX.

4、FX CT-38 338MX CT45 339MX CT-38 340X CT-45 341X CT-45 Capehart - Farnsworth Corp., Fort Wayne Ind. Television Receiver Twenty Three 110-120 Volts AC-60 Cycle Channels 2 thru 13 RATING 2. 3Amp. 117 Volts AC INDEX Alignment Instructions 6, 7 Drive Cord Stringing 11 Disassembly Instructions 11 Horizont

5、al Sweep Circuit Adjustments 11 Parts List and Descriptions 12 thru 14 Photographs Cabinet - Rear View 11 Capacitor and Alignment Identification 4 ,9 Photos (Cont.) Chassis - Top View 3 RF Tuner 10 Resistor and Inductor Identification 15 ,16 Resistance Measurements 8 Schematic (Alternate Tuner) 8 Sc

6、hematic (TV) 2 Tube Placement Charts . . . 5 go * Vi ft X it co o X HOWARD W. SAMS 750272A-12 2248-1020 2248-1030 2248-1030 750272A-11 2248-1030 750272A-12 2248-2220 2248-1030 750272A-33 2247-2240 2248-4730 AEROVOX PART No. AFH3-54 AFH2-72 |-AFH3-!J2 L-PRS150/50 PRS45D/20 PHS4 50/20 PRS150/20 PHS50/

7、10 PRS50/10 PRSI50/4 SI! 00 SI12C SI1000 SHOO SI20NP: SI10N750 SI10NPO VBPD-SXOl SI120 P688-047 BPD-0015 P288-1 BPD-0015 SI1. 5NPO BPD-0015 BPD-0015 P288-1 BPD-0015 SI5NPO BPD-0015 BPD-0015 BPD-0015 BPD-0015 SI5NPO BPD-0015 BPD-0015 P288-1 P688-1 SI3.3NPO fBPD-005 BPD-005 1468-0005 P688-001 P68S-01

8、P688-01 1468-0001 P688-01 1468-0005 P688-0022 P688-01 1468-00025 P488-22 P688-047 CENTRALAB PART No. 829-10 829-3 D6-101 D6-121 D6-102 D6-101 829-3 TCZ-20 TCN-10 829-3 TCZ-10 YD-2-102 D6-121 DF-503 DD-152 DF-104 DD-152 TCZ-1.5 DD-152 DD-152 DF-104 DD-152 TCZ-1.7 DD-152 DD-152 DD-152 DD-152 TCZ-4.7 D

9、D-152 DD-152 DF-104 DF-104 TCZ-3.3 DD-502 DD-502 D6-471 D6-102 D6-I03 D6-103 D6-101 D6-103 D6-471 36-222 36-103 36-220 3F-503 CORNELL- DUBILIER PART No. UP44150 UPT44150 rUPT303 1-BR5015A BR2045A BR2045A BR2015A BR105 BRIO 5 BR550 PTE6S5 1W5D15 PTE4P1 1W5D15 1W5D15 IW5D15 PTE4P1 IW5D15 1W5DI5 1W5D15

10、 1W5D15 1W5D15 1W5D15 1W5DI5 PTE4P1 PTE6P1 1D5D5 LD5D5 5W5TI PTE6D1 PTE6S1 PTE6S1 5W5T1 PTE6S1 5W5T1 PTE6D2 PTE6S1 5W5T25 PTE4S2 PTE6S5 ERIE PART No. NPOK-8R2 GP1K-101 GP2K-121 GP2L-102 GP1K-101 NPOK-200 N750K-100 NPOK-100 1812-001 GP2K-121 801-0015 801-0015 NPOK-1R5 N080-338-740 801-0015 801-0015 8

11、01-0015 NPOK-050 801-0015 801-0015 801-0015 801-0015 NPOK-050 801-0015 801-0015 NPOK-3R3 811-005 811-005 GP2K-471 GP2L-102 GP2-333-103 GP2-333-103 GP1K-101 GP2-333-103 GP2K-471 GP2-333-222 GP2-333-103 GP2K-221 SPRAGUE PART No. TVL-4840 TVL-2830 TVA-1709 TVA-1709 TVA-1402 TVA-1304 TVA-1304 TVA-1303 5

12、GA-T1 5GA-T12 5HK-D1 5GA-T1 5TCU-Q1 5TCC-Q1 15HK-2D1 5GA-T12 6TM-S47 5HK-D15 2TM-P1 5HK-D15 5HK-D15 5HK-D15 2TM-P1 5HK-D15 5HK-D15 5HK-D15 5HK-D15 5HK-D15 5HK-D15 5HK-D15 2TM-P1 6TM-P1 5HK-D5 5HK-D5 1FM-35 6TM-D1 6TM-S1 6TM-S1 1FM-31 6TM-S1 1FM- 35 6TM-D22 6TM-S1 1FM-325 4TM-S22 6TM-S47 IDENTIFICATI

13、ON CODES AND INSTALLATION NOTES . Filter Vert. Output Dec. * Decoupling i Filter - Filter Decoupling Video Amp. Screen 1 Bias Filter Vert. Output Cathode Decoupling Audio Output Dec. Audio Output Cathode Bias Filter AGC Filter Stabilizing Cap. Variable Trimmer Fixed Trimmer Variable Trimmer RF Amp.

14、Dec. RF Amp. Dec. RF Amp. Fil. RF Coupling Variable Trimmer Osc. Grid Cap. Fixed Trimmer Variable Trimmer Fixed Trimmer Conv. Fil. RF Bypass IF Coupling RF Bypass RF Bypass AGC Filter AGC Filter Sound Trap Coupling Fixed Trimmer 1st Video IF Dec. 1st Video IF Fil. AGC Filter AGC Filter Fixed Trimmer

15、 2nd. Video IF Dec. 2nd. Video IF Fil. 3rd. Video IF Dec. 3rd. Video IF Cathofb Video Det. Filter Bias Filter Bias Filter Video Coupling Bias Filter Sound IF Coupling Sound IF Decoupling Sound IF Cathode Diode Load Cap. De-emphasis Audio Coupling Audio Coupling AF Amp. Plate Audio Coupling Tone Comp

16、. Audio Output Plate 1st. Sync. Amp. Cathode Sync. Coupling Sync. Sep. Cathode 11 Sync. Coupling 1 ITEM No. C58 C59 C60 C61A B C C62 C63 C64 C65 C66 C67 C68 C69 C70 C71 C72 C73 C74 C75 C76 C77 C78 C79 C80 C81 C82 CSS C84 C85 C86 C87 C88 C89 C90 RATING CAP. 100 .01 .01 .002 .005 .005 .033 .1 .001 .00

17、47 .047 470 100 . 0047 .0047 .047 100 .015 .001 .01 .047 680 .0047 .047 .1 30 .022 .022 .01 .01 500 .22 .1 1500 1500 VOLT 500 600 600 600 600 1000 600 600 500 500 600 600 600 500 400 600 600 600 500 600 600 200 6000 600 600 600 600 20000 200 200 REPLACEMEN CAPEHART PART No. 720272A-11 2248-1030 2248

18、-1030 f 452265A-1 P688-005 J P688-033 P688-1 P1088-001 P688-0047 P688-047 1469-0005 1468-0001 P688-0047 P688-0047 P688-047 1468-0001 P488-015 P688-001 P688-01 P688-047 1479-0007 P688-0047 P688-047 P288-1 P688-022 P688-022 P688-01 P688-01 HV20C P488-22 P288-1 BPD-0015 BPD-0015 CENTRALAB PART No. 36-1

19、01 36-103 36-103 f PC -100 1 3F-104 D6-472 DF-503 D6-101 DG-472 00-47.? DF-503 D6-101 D6-102 D6-103 DF-503 D6-472 DF-503 DF-104 DF-203 DF-203 D6-103 D6-103 TV3-502 DF-104 DD-152 DD-152 tltems C45A.C45B Items C61A, C61B; U Some models use R113A.R113B are combined C61C, R114A,R114B, R114C a .047MFD in

20、 this application re combined ii (Part No. 224 CONTI ITEM No. R1A B C RlA B R3A B R4A B R5A B R6A B R7A B R8A B R9A B R10A B RATING RESIST- ANCE IMeg Shaft Switch 250! Shalt IMeg Shaft 5KSJ Shaft l.SMeg Shaft 500KS2 Shaft 4500! Shaft 200KQ Shaft 1.5KQ Shaft 2.5Meg Shaft WATTS a 3 - t 1 | REPLACEMENT

21、 DATA :APEHART PART No. 450896B-1 450966A-1 450894A-1 450893A-I 450892A-1 450897A-1 450891A-1 452226A-I 750266A-2 452733A-1 IRC PART No. Q13-137 Not Req. 76-1 Qll-137 Not Req. Q1I-1I4 Not Req. Qll-138 Not Req. Qll-133 Not Req. Qll-236 NotRea. CLAROST/ PART Ne AG-63-Z FS-3 SWB RTV-60 Not Req. AM-61-S

22、 FKS-1/4 AM-1S-S FKS-1/4 AG-83-S FKS-1/4 AG-58-S FKS-1/4 RTV-10 Not Req. AG-52-S FS-3 AG-ll-S KSS-3 AG-84-S FKS-1/4 RESIS1 ITEM No. R1I R12 RI3 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 RATING RESISTANC

23、E 100KS2 2200S2 4700! 10% 10K! 47Ki! 10K! 220K! 4700! 10KQ 100K! 24K!1 5% 27K!1 10% 47! 8200! ioon 3900! IQ% 470! 10% 68! 100! 10% 100KS! 10% 150! 10% 3300! 10% 1800! 10% 1000! 10% 39K! 10% i2on 68KB 10% 12K1! 10% lOMeg 1K!7 22 OK! 470KO 560! 10% 1800O 10% 2500! 10% 82K!1 10% 2Meg 5% l.SMeg WATTS 1

24、f J i | zi 2 3 3 i f 5 1 2 2| f f i 2 5 I I 2 2 1 i r .1 2 - 1 i 1 1 1 2 T I REPLACEMENT DATA CAPEHART PART No. 3229-222 3229-472 3229-103 3229-473 3229-103 3229-224 3229-472 3229-104 3229-273 3228-243 3229-273 3229-470 3229-822 3229-392 3i2S-S92 3229-471 3229-680 3229-392 3229-103 3229-151 3229-332

25、 3229-182 3229-102 3229-393 3229-121 3229-683 3229-121 3229-106 3229-105 3229-224 3229-224 3232-561 3232-182 3232-222 3229-823 3228-205 3229-155 IRC PART No. BTS-2200 BTS-4700 BTS-10K BTS-4700 BTS-100 BTS-470 BTS-100 BTS-150 BTS-3300 BTS-1800 BTA-1000 BTS-39K BTS-12K BTS-lOMog BTS-1K BTS-220K BTS-47

26、0K BTA-560 BTS-1800 BTA-700 BTS-8K BTS-2Meg 5% BTS-i.SMg PAGE 12 RadioFans.CN PARTS LIST AND DESCRIPTIONS CAPACITORS CCONTJ lectrolytic apacitors. RAGUE RT No. fL-4840 /L-2830 fA-1709 fA-1709 fA-1402 fA-1304 U-1304 M-1303 IA-T1 IA-T12 K-D1 iA-Tl CU-Ql CC-Q1 IK-2D1 IA-T12 M-S47 K-D15 M-P1 K-D15 IK-D1

27、5 1K-D15 M-P1 K-D15 K-D15 K-D15 K-D15 K-D15 K-D15 K-D15 VI-PI M-Pl I-S22 W-S47 IDENTIFICATION CODES AND INSTALLATION NOTES . Filter Vert. Output Dec. i Decoupling i Filter - Filter Decoupling Video Amp. Screen L Bias Filter Vert. Output Cathode Decoupling Audio Output Dec. Audio Output Cathode Bias

28、Filter AGC Filter Stabilizing Cap. Variable Trimmer Fixed Trimmer Variable Trimmer RF Amp. Dec. RF Amp. Dec. RF Amp. Fil. RF Coupling Variable Trimmer Osc. Grid Cap. Fixed Trimmer Variable Trimmer Fixed Trimmer Conv. Fil. RF Bypass IF Coupling RF Bypass RF Bypass AGC Filter AGC Filter Sound Trap Cou

29、pling Fixed Trimmer 1st Video IF Dec. 1st Video IF Fil. AGC Filter AGC Filter Fixed Trimmer 2nd. Video IF Dec. 2nd. Video IF Fil. 3rd. Video IF Dec. 3rd. Video IF Cathode Video Del. Filter Bias Filter Bias Filter Video Coupling Bias Filter Sound IF Coupling Sound JF Decoupling Sound IF Cathode Dioje

30、 Load Cap. De-emphasis Audio Coupling Audio Coupling AF Amp. Plate Audio Coupling Tone Cotnp. Audio Output Plate 1st. Sync. Amp. Cathode Sync. Coupling Sync. Sep. Cathode f Sync. Coupling ITEM No. C58 C59 C60 C61A B C C62 C63 C64 C65 C66 C67 C68 C69 C70 C71 C72 C73 C74 C75 C76 C77 C78 C79 C80 C81 C8

31、2 C83 C84 C85 C86 C87 C88 C89 C90 RATING CAP. 100 .01 .01 .002 .005 .005 .033 .1 .001 .0047 .047 470 100 .0047 .0047 .047 100 . 015 .001 . 01 047 680 .0047 . 047 .t 30 .022 .022 .01 .01 500 .22 .1 1500 1500 VOLT 500 600 600 600 600 1000 600 600 500 500 600 600 600 500 400 600 600 600 500 600 600 200

32、 6000 600 600 600 600 20000 200 200 REPLACEMENT DATA CAPEHART PART No. 720272A-U 2248-1030 2248-103.0 452265A-1 P688-005 J P688-033 P688-1 P1088-001 P688-0047 P688-047 1469-0005 1468-0001 P688-0047 P688-0047 P688-047 1468-0001 P488-015 P688-001 P688-01 P688-047 1479-0007 P688-0047 P688-047 P288-1 P6

33、88-022 P688-022 P688-01 P688-01 HV20C CENTRA1AB PART No. 36-101 36-103 36-103 PC -100 4 DG-472 DF-503 DC-lOi DG-472 DG-47S DF-503 D6-101 D6-102 D6-103 DF-503 D6-472 DF-503 DF-104 DF-203 DF-203 D6-103 D6-103 TV3-502 P488-22 P288-1 DF-104 BPD-0015 BPD-0015 DD-152 DD-152 CORNELL- DUBI1IER PART No. W5T1

34、 PTE6S1 PTE6S1 PTE6D2 PTE6D5 PTE6D5 PTE6S3 PTE6P1 PTE16D1 PTE6D5 PTE6S5 R5T5 W5T1 PTE6D5 PTECD5 PTE6S5 5W5T1 PTE6D1 PTE6S1 PTE6S5 2R5T7 PTE6D5 PTE6S5 PTE4P1 PTF6S2 PTE6S2 PTE6S1 PTE6S1 GT2P25 PTE4P1 1W5D15 1W5D15 ERIE PART No. GP1K-101 GP2-333-103 GP2-333-103 GP2-333-202! GP2-333-502; GP2-333-502_ G

35、P2-333-472 GP1K-101 GP2-333-472 GP2-333-472 GP1K-101 GP2L-102 GP2-333-103 GP2-333-472 GP2-333-103 GP2-333-103 801-0015 SPRAGUE PART No. IFM-31 6TM-S1 6TM-S1 101CI 6TM-S3 6TM-P1 MB-D1 6TM-D47 6TM-S47 MS-35 FM-31 GTM-D47 6TM-D47 6TM-S47 1FM-31 6TM-D1 6TM-S1 6TM-S47 MS-37 6TM-D47 6TM-S47 2TM-P1 6TM-D22

36、 6TM-D22 6TM-S1 6TM-S1 2TM-P22 2TM-P1 5HK-D15 801-0015 j 5HK-D15 IDENTIFICATION CODES AND INSTALLATION NOTES Syne. Coupling Syne. Clipper Plate Vert. Sync. Coupling Vert. Integrator Net Vert. Integrator Net Vert. Integrator Net Vert. Discharge Vert. Sweep Coupling Vert. Feedback Voltage Divider Fixe

37、d Trimmer Voltage Divider Horiz. Sync. Coupling Fixed Trimmer AFC Filter AFC Filter AFC Filter Fixed Trimmer Horiz. Osc.Grid Cap. Horiz. Sweep Coupling RF Bypass Horiz. Discharge Horiz. Sweep Coupling Hori/. Output Screen Horiz. Output Cathode Fixed Trimmer Damper Filter Damper Filter Damper Filter

38、RF Bypass HV Filter RF Bypass Bias Filter Line Filter Line Filter TItems C45A.C45B, Items C61A, C61B IT Some models use , R113A.R113B are combined ,C61C, R1I4A,R114B, R114C a .047MFD in this application re combined in one unit. (Part No. 2248-4730). CONTROLS RESISTORS ITEM No. R1A B C R7A B R3A B R4

39、A B R5A B R6A B R7A B R8A B R9A B R10A B RATING RESIST- ANCE IMeg Shaft Switch 250O Shait IMeg Shaft 5KS! Shaft l.SMeg Shaft 500KB Shaft 4500! Shaft 200KS! Shaft 1.5K(2 Shaft 2.5Meg Shaft WATTS 1 3 J- ;: 2 I J REPLACEMENT DATA ?APEHART PART No. 450896B-1 450966A-1 450894A-1 450893A-1 450892A-I 45089

40、7A-1 45089LA-1 452226A-1 750266A-2 452733A1 IRC PART No. Q13-137 Not Req. 76-1 Qll-137 Not Req. Qll-114 Not Req. Qll-138 Not Req. Qll-133 Not Req. Qll-23!. NolRea. CLAROSTAT PART No. AG-63-Z FS-3 SWB RTV-60 Not Req. AM-61-S FKS-1/4 AM-1S-S FKS-1/4 AG-83-S FKS-1/4 AG-58-S FKS-1/4 RTV-10 Not Req. AG-5

41、2-S FS-3 AG-ll-S KSS-3 AG-84-S FKS-1/4 CENTRALAB PART No. B-TO-S VK125 Not Req. AN-69 AK-1 AN-10 AK-1 B-59 AN10 AK-1 B-46 B-83 INSTALLATION NOTES Volume Control Attach to R1A per instructions Attach to R1A per instructions Width Control - Wire Wound Atta.-h to RA per instrm tions Horizontal Drive Co

42、ntrol Attach to R3A per instructions Vertical Linearity Control Attach to 4A per instructions Vertical Hold Control Attach toRSA pep in.;l:-uctions AGC Set Control Attach toRGA per instructions Focus Control Attach toR7A per instructions Brightness Control Attach loR8A per instructions Contrast Cont

43、rol Attach to R9A per instructions Height Control Attach to R10A per instructions ITEM No. Rll R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 H32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 RATING RESISTANCE 100KS2 2200SJ 4700S7 10% lOKn 47KS2 10K

44、S2 220KS2 4700S2 10KS! 100KS2 24KS7 5% 27KS! 10% 47S! 8200S2 ioon 3900P. 10% 470! 10% 68 f! ioon 10% lOOKn 10% 150S! 10% 3300(2 10% 180012 10% looon 10% 39KS! 10% 120B 68K 10% 12KS! 10% lOMeg 1KSZ 220KS! 470KB 560B 10% 18000 10% 2500B 10% 82KS2 10% 2Meg 5% l.SMeg WATTS i f 2 i 2 z 1 i 2 | 3 i 2 1 2

45、I 1 . | J 1 | 1 - REPLACEMENT DATA CAPEHABT PART No. 3229-222 3229-172 3229-103 3229-473 3229-103 3229-224 3229-472 3229-104 3229-273 3228-243 3229-273 3229-470 8329-832 3229-392 322S-39/- 3229-471 3229-680 3229-392 3229-103 3229-151 3229-332 3229-182 3229-102 3229-393 3229-121 3229-683 3229-121 322

46、9-106 3229-105 3229-224 3229-224 3232-561 3232-182 3232-222 3229-823 3228-205 3239-155 IRC PACT No. BTS-2HOO BTS-4700 BTS-10K BTS-4700 BTS-100 BTS-470 BTS-100 BTS-150 BTS-3300 BTS-1800 BTA-1000 BTS-39K BTS-12K BTS-lOMeg BTS-1K BTS-220K BTS-470K BTA-560 BTS-1800 BTA-700 BTS-8ZK BTS-2Meg 5% BTS-1.5Meg

47、 IDENTIFICATION CODES ALL RESISTORS 1 20% UNLESS OTHERWISE SPECIFIED Antenna Coil Shunt RF Amp. Decoupling Osc. PLlte Osc. Grid RF Amp. Grid RF Coil Shun; Mixer Grid Mixer Grid AGC Network AGC Network AGC Network 1st. Video IF GriJ 1st. Video IF Cathode AGC Network 1st. Video IF Decoupling 1st. Vide

48、o IF Coil Shunt - See Note 1 AGC Network 2nd. Video IF Cathode Decoupling 2nd. Video IF Coil Shunt - See Note 2 3rd. Video IF Cathode Video Detector Diode Load Video Detector Diode Load Peaking Coil Shunt Video Amp. Screen Balancing De -emphasis Ratio Detector Diode Load AF Amp. Grid AF Amp. Cathode

49、 AF Amp. Plate Output Grid Output Cathode Output Decoupling Output Decoupling Sec Note 3 Bias Network AGC Netwock Feedback ITEM No. R49 R50 H51 R52 R5J R54 R55 R56 R57 R58 R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69 R70 R71 H72 R73 R74 R75 R76 R77 R78 R79 R80 R81 R82 R83 R84 R85 R86 R87 ass R89 R90 R91 R62 R93 R94 R95 R96 R97 R98 R99 100 R101 R102 R103 R104 R105 R106A B R107A E R108 R109 R110 Rill R112 R113A B RU4A B C RATING RESISTANCE 470KO 10% 470KB 10% 27KO 10% 5KO 5KB 100KO 100KB 10KO 10% 1000 10% 330KO 10% 220KB 330KO 10% 470KO