Motorola-7VT1-7VT2-7VT5-Sams-83-6电路原理图.pdf

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1、PHOTO FACT* Folder MOTOROLA MODELS 7VT1, 7VT2, 7VT5, (Ch. TS-18) VOLUME CONTROL ON-OFF SWITCH CHANNEL SELECTOR FINE TUNING MOTOROLA 7VT5 CONTRAST TRADE NAME Motorola, Models 7VT1, 7VT2, 7VT5, 9VT1, 9VT5 (Chassis TS-18) MANUFACTURER Motorola Inc., 4545 Augusta Blvd., Chicago 51, 111. TYPE SET Televis

2、ion Receiver TUBES Sixteen POWER SUPPLY 110 - 120 Volts AC - 60 Cycle TUNING RANGE- Channels 2 thru 13. RATING . 9 Amp at 117 Volts AC INDEX Alignment Instructions 6, 7 Block Diagram 13 Disassembly Instructions 10 Parts List and Description 14, 15, 16 Photos Cabinet - Rear View 10 Capacitor Identifi

3、cation 11, 18 Photos (Continued) Chassis - Top View Resistor Identification Trans., Inductor AC Voltage measured at 1,000 oge readings. 2. Pin numbers are counted in a clockwise direc- tion on bottom of socket. 3. Measured values are from socket pin to com- mon negative unless otherwise stated. 5. F

4、ront panels controls set ot minimum. 6. Where readings may vary according to the setting of the service controls, both minimum and maximum readings are given. RadioFans.CN FOCUS HORIZ. VERT. CENT. CENT. HORIZ SIZE VERT. SIZE HORIZ. HOLD VERT. HOLD BRIGHTNESS CABINET-REAR VIEW DISASSEMBLY INSTRUCTION

5、S 1. Remove three push-on type control knobs. 2. Remove one 1/4 hex head bolt and six screws holding rear cover. Remove cover. 3 . Loosen two screws holding antenna, terminal lugs. Remove lugs. 4. Disconnect speaker plug. 5. Remove picture tube base socket. 6. Remove four 1/4 hex bead bolts holding

6、chassis. Remove chassis. 7. Remove four 5/16 hex nuts holding speaker. Remove speaker 8. Remove one 1/4 hex head bolt and two 11/32 hex nuts holding picture tube mounting bracket. Remove mounting bracket and tube. PAGE 1O RadioFans.CN CHASSIS BOTTOM VIEW-CAP/ PAGE 18 RadioFans.CN -CAPACITOR IDENTIFI

7、CATION PAGE 11 RadioFans.CN LJ cr i : Ld O DQ CO CO CO I 0 RadioFans.CN -RESISTOR IDENTIFICATION PAGE 17 RadioFans.CN MOTOROLA MODELS 7VT1, 7VT2, 7VT5, 9VT1, 9VT5, (Ch. TS-18) vocna RadioFans.CN TUBES (SYLVANIA or Equivalent) PARTS LIST AMI CAPACI ITEM No. VI V2 V3 V4 V5 V8 V7 V8 V9 V10 Vll V12 V13

8、V14 V15 V16A B USE HF Amp. Converter 1st Video IF Amp. 2nd Video IF Amp. 3rd Video IF Amp. Video Amp. Sound IF Amp. Ratio Del. AF Amp. -Vert. Osc. Audio Output Sync. Clipper Vert. Amp. Hor. AFC-Hor. Osc. HVOsc. HV Rectifier Picture Tube Picture Tube REPLACE* MOTOROLA PART No. 6AG5 12AT7 6AU6 6AU6 6A

9、U6 6AU6 6AU6 6AL5 12SN7OT 25L6GT 12SN7GT 6SL7GT 12SH7OT 25L6GT 183GT 7JP4 8BP4 :NT DATA STANDARD REPLACEMENT 8AG5 12AT7 6AU6 6AU6 6AU6 6AD6 6AU6 6AL5 12SN7GT 25L6GT 12SN7GT 6SL7CT 12SN7GT 25L6GT 1B3GT 7JP4 8BP4 RMA BASE TYPE 7BD 9A 7BK 7BK 7EK 7BK 7BK 6BT 8BD 7AC 8BD 8BD 8BD 7AC 3C 14G I4G NOTES Use

10、d in models 9VT1, 9VT5. ITEM No. C72 C73 C74 C75 C76 C77 C78 C79 C80 C81 C82 C83 C84 RATING CAP. .03 .5 20 900 680 200 ,001 .001 .005 .05 1250 .05 1000 VOIT 600 200 2000 2000 2000 6000 6000 6000 600 500 600 REPLACEMEN MOTOROLA PART No. 8R9860 8R9822 21K470322 21A790475 21K790476 21K790477 8A480255 8

11、A480255 8A471348 8R9819 21R2742 8R9819 21K47B410 AEROVOX PART No. P688-03 P288-5 7584-001 7584-001 7584-005 P688-05 P688-05 1468-001 COI DUI PAR GT6! GT2! 5R5C DSTI DSTB DSTE GT6! GT6! 1W5I * Not used in all models. C CAPACITORS Capacity values given in the rating column are in mfd. far Electrolytic

12、 and Paper Capacitors, and in mmfd. for Mica and Ceramic Capacitors. ITEM No. Cl C2A B C3A B C C4 C5 C6 C7 C8 C9 CIO Cll C12 C13 C14 CIS C16 C17 CIS C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 CSS C56

13、 C57 C58 C59 C60 C61 C62 C63 C64 C85 C66 C67 C68 C69 C70 C71 RATING CAP. 140 120 20 100 60 20 10 10 100 30 100 1000 1000 1000 1000 10000 6 5000 5000 2 15 2 1000 250 250 1000 .25 5000 .5 5000 250 5000 1000 1000 250 250 1000 1000 1000 5000 5000 250 .1 5000 1000 750 250 .05 2.2 70 5000 5000 500 1000 10

14、000 .05 5000 .02 1000 .05 .05 .01 .01 250 1000 .1 .05 100 250 .004 250 .005 .005 100 VOLT 150 300 300 300 150 25 50 450 300 200 200 100 600 500 600 600 600 600 600 600 500 600 600 600 6000 6000 REPLACEMENT DATA MOTOROLA PART No. 23B484097 23B90134 23B90136 23A90205 23K489031 21R6631 21K470329 21B772

15、88 21K478410 21X478410 21K478410 21K478410 21K482726 21K470324 21A470789 21A470789 21K478280 21K790541 21K478280 21K478410 21K77375 21K71375 21K478410 8R9810 21A470789 8A484814 21A470789 21K77375 21A470789 21K478410 21K478410 2LK77375 21K77375 2LK478410 21K478410 21K478410 21A470789 21A470789 21K773

16、75 8R9814 21A470789 21K780599 21K780598 21K77375 8R9873 21A478274 21K470328 21A470789 21A470789 21R6590 21K478410 21K482726 8R9819 21A470789 8R9840 21K478410 8R9873 8R9873 6R9834 8R9834 2LK77375 21R6663 8R9874 8R9873 21B77286 21K77375 8R4711S6 21K77375 8A471348 8A471348 21B77286 AEROVOX PART No. AFH

17、28D AFH244G AFH20G12D4A PRS50/10 PRS4 50/12 1469-0001 1468-0001 1468-001 1468-001 1468-001 1468-001 1467-01 1487-005 1467-005 1468-001 1468-00025 1468-00025 1468-001 P488-25 1467-005 P288-5 1467-005 1468-00025 1467-005 1468-001 1468-001 1468-00025 1488-00025 1468-001 1468-001 1468-001 1467-005 1467-

18、005 1468-00025 P288-1 1467-005 1468-001 1468-00075 1468-00025 P688-05 1467-005 1467-005 1468-0005 1468-001 P688-01 P688-05 P688-005 P688-02 1468-001 P688-05 P688-05 P688-01 P688-01 1488-00025 1468-001 P688-1 P688-05 1468-0001 1468-00025 P688-004 1468-00025 7584-005 7584-005 1468-0001 CORNELL- DUBILI

19、CR PART No. UP6AJ333 UP9BI993 UP9CJ994 BR105 BR1045 5R5T1 5W5T1 1W5D1 1W5D1 1W5D1 1W5D1 1D3S1 1D5D5 1D5D5 1W5D1 5W5T25 5W5T25 1W5D1 GT2P25 1D5D5 GT2P5 1D5D5 5W5T25 1D5D5 1W5D1 1W5D1 5W5T25 5W5T25 1W5D1 1W5D1 1W5D1 1D5D5 1D5D5 5W5T25 GT2P1 LD5D5 1W5D1 1W5T8 5W5T25 GT6S5 5R5Q7 1D5D5 1D5D5 5W5T5 1W5D1

20、GT6S1 GT6S5 GT6D5 GT6S2 1W5D1 GT6S5 GT6S5 GT6S1 GT6S1 5W5T25 1W5D1 GT6P1 GT6S5 5W5T1 5W5T25 GT6D4 5W5T25 DSTH-60D! DSTH-60D5 5W5T1 ERIE PART No. NPOM-100 GP1K-33 GP1K-100 GP2L-001 GP2L-001 GP2L-001 GP2L-001 821-01 811-005 811-005 GP1K-15 GP2L-001 GP2K-250 GP2K-250 GP2L-001 811-005 811-005 GP2K-250 8

21、11-005 GP2L-001 GP2L-001 GP2K-250 GP2K-250 GP2L-001 GP2L-001 GP2L-001 811-005 811-005 GP2K-250 811-005 GP2L-001 GP2K-750 GP2K-250 811-005 811-005 GP2K-500 GP2L-001 821-01 811-005 GP2L-001 GP2-335-01 GP2-335-01 GP2K-250 GP2L-001 GP1K-100 GP2K-250 GP2K-250 GPLK-100 SPRAGUE PART No. D6282 TVL-46 TVL-5I

22、 TVA-14 TVA-21 MS-31 1FM-31 1FM-31 1FM-21 1FM-21 1FM-21 36C1 29C1 29C1 MS-415 1FM-21 1FM-325 1FM-32S 1FM-21 TC-2 29C1 TC-5 29C1 1FM-325 29C1 1FM-21 1FM-21 1FM-325 1FM-325 1FM-21 1FM-21 1FM-21 29C1 29C1 1FM-325 TM-1 29C1 1FM-21 1FM-325 TM-15 MS-47 29C1 29C1 1FM-35 1FM-21 36C1 TM-15 29C1 TM-12 1FM-21

23、TM-15 TM-15 TM-U TM-11 1FM-325 1FM-21 TM-1 TM-15 1FM-31 1FM-325 TM-24 1FM-325 TVM-256 TVM-256 1FM-31 IDENTIFICATION CODES AND INSTALLATION NOTES Voltage Doubler Cap. Filter Low Pass Filter Filter Filter Output Cathode Bypass Stabilizing Cap. Decoupling * Fixed Padder RF Coupling RF Coupling RF Bypas

24、s RF Cathode Bypass RF Cathode Byp ass RF Decoupling RF Decoupling RF Coupling Mixer Cathode Bypass Mixer Plate Decoupling Osc. Coupling Osc. Grid Cap. Osc. Feedback Osc. Plate Bypass RF Filament Bypass Mixer Filament Bypass AGC Filter AGC Filter 1st V. IF Cath. Bypass Decoupling * Decoupling 1st V.

25、 IF Fil. Bypass 2nd V. IF Grid Decouplhg IF Coupling 2nd V. IF Cath. Bypass 2nd V. IF Fil. Bypass 2nd V. IF Fil. Bypass 2nd V. IF Decoupling 3rd V. IF Decoupling 3rd V. IF Decoupling 3rd V. IF Cath. Bypass 3rd V. IF Decoupling 3rd V. IF Fil. Bypass Video Coupling Video Amp. Cath. Bypass Video Amp. C

26、ath. Bypass Video Amp. Cath. Bypass Video Amp. Cath. Bypass Video Coupling S. IF Coupling Fixed Trimmer S. IF Cath. Bypass S. IF Decoupling Diode Load Cap. De-emphasis Audio Coupling AF Plate Decoupling Audio Coupling Output Plate Bypass S. IF Fil. Bypass Sync. Coupling Sync. Coupling Integrator Net

27、. Integrator Net. Vert. Sync. Coupling Vert. Osc. Feedback Vert. Discharge Vert. Sweep Coupling Voltage Divider Voltage Divider Integrator Net. Vert. Output Plate Bypass Vert. Sweep Coupling Vert. Sweep Coupling Fixed Trimmer ITEM No. R1A B C R2 R3 R4 R5 R6 R7 RB R9 RIO RATING RESIST- ANCE IMeg. Sha

28、lt Switch 2000S1 2.5 Meg. 2 Meg. 2 Meg. 20KSJ 5 Meg. IOKD 5 Meg. IMeg. WATTS i i | | I I 2 i 3 REPLACEMENT DATA MOTOROLA PART No. 18A90142 Not Req. Not Req. 18A780359 18A90148 18A484192 18A478285 18A90144 18A90145 18A780098 18A90145 18A90147 IRC PART No. Q13-137 Not Req. 76-1 Qll-239 i Q16-119 Qll-1

29、41 Qll-116 Qll-141 Qll-137 CL PJ AM- KSS- SW-, AT-1 M-8! M-2 M-8! M-6 # Use original insulated spacer bushing and shaft with ring should be removed from new control to allow long 5 Saw shaft of new control to desired length, and file s spacer bushing and shaft with new control. Rl ITEM No. Rll R12 R

30、13 R14 Rr5 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 R49 H50 R51 R52 R53 R54 R55 R56 R57 R58 R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69 R70 RATING RESISTANCE 4TOB1 15101 680 10000. 33KO 1200(1 loom IOKSI loom

31、560012 825! 2200 4.7 Meg. 3. 9 Meg. 22KU la loon 3900(1 100S1 82S1 am 1.5 Meg. 1 Meg. 1800 18000 4700S1 470KS! 1800 IOOOQ 180(1 33KU 6800S1 6800S1 4.7 Meg. 220KH 220101 470KS1 330SI 10KS1 1 Meg. IMeg. unm 88000 47KH lOKn 100KD 3. 3 Meg. 2. 2 Meg. 22 Meg. 10 Meg. 6.8 Meg. 10 Meg. 6.8 Meg. 100KS1 220K

32、J1 15KS1 82000 4700S1 18KB 330011 WATTS i i I 9 I 1 2 E i I | i i i i 2 2 i i I i A A i i 2 i i 1 | 1 a 1 t1 1 i i ii i I i REPLACEM MOTOROLA PART No. 6R6377 6R6477 6R2039 6R6229 6R6410 6R6393 6R6229 6R6320 6R6229 6R6117 6R2035 6R6270 6R6446 6R490110 6R6397 6R2035 6R6326 6R5659 6R6326 6R2035 6R6270

33、6R6460 6R6046 6R5660 6R5690 6H5671 6H6377 6R6373 6R6229 6R5660 6R6410 6R6428 6R6428 6R6446 8R6407 6H6407 6R6377 6R6022 6R6320 6R6046 6R6046 6R6320 6R5691 6R6048 6R6320 8R6031 6R6497 6R6433 6R488252 6R5622 6R488157 6R5622 6R488157 6R6031 6R6407 6R6477 6R5610 6R6080 6R6477 6R5S81 INT DATA IRC PART No

34、BTS-470K BTS-15K BTS-1000 BTS-33K BTS-1200 BTS-1000 BTS-10K BTS-1000 BTS-4.7 Me BTS-3.9 Me BTS-22K BTS-3900 BTS-1.5 Me BTS-1 Meg. BT-2-6800 BT-2-4700 BTS-470K BTS-1000 BTS-33K BTS-6800 BTS-6800 BTS-4.7 Me BTS-220K BTS-220K BTS-470K BW-i-330 BTS-10K BTS-1 Meg. BTS-1 Meg. BTS-10K BTA-6800 BTS-47K BTS-

35、10K BTS-100K BTS-3.3 Me BTS-2.2 Me BTA-22 Me| BTS-10 Meg BTA-6.8Me coupling . Grid -. Cathode . Decoupling Grid Plate Decoupling rideo IF Grid rideo IF Cathode ige Divider See Note Network Network Video IF Coil Shunt Video IF Cathode Video IF Decoupling Video IF Coil Shunt ige Dropping Video IF Cath

36、ode Video IF Decoupling Network o Amp. Grid ige Divider o Amp. Plate o Amp. Decoupling ige Divider d IF Cathode d IF Decoupling ncing mphasis Det. Diode Load ) Det. Diode Load irid late late Decoupling at Grid nt Cathode tion . Clipper Grid . Clipper Plate . Clipper Grid . Clipper Plate rator rator

37、back . Osc. Grid . Osc. Plate .ge Divider . Amp. Grid . Amp. Plate . Amp. Grid . Amp. Plate .ge Divider .ge Divider . AFC Transformer Shunt .Osc. Grid . AFC Filter Network . Peaking . AFC Cathode ITEM No. T4 RATING PRI. B700 Tapped at 4.K2 SEC. 1 on SEC. 2SEC. 3 REPLACEMENT DATA MOTOROLA PART No. 1X

38、471212 STANCOR PART No. MERIT PART No. CHICAGO PART No. 35 TRANSFORMER (AUDIO OUTPUT) ITEM No. T5 RATING IMPEDANCE PRI. 23000 SEC 3.5(1 DC RES. PRI. 245(1 SEC. .8(1 REPLACEMENT DATA MOTOROLA PART No. 25K470392 STANCOR PART No. A-3876 MERIT PART No. A-2928 CHICAGO PART No. HO-2 INSTALLATION NOTES 0 S

39、PEAKER ITEM No. SP1 SP2 RATINGS FIELD RES. PM CONE DIA. 5 7/8 V. C. IMP. 3.5SJ V. C. DIA. 3/4 REPLACEMENT DATA MOTOROLA PART No. 50B471322 JENSEN PART No. ST-UO MOD.P6-V GUAM PART No. 6A15 NOTES m 00 COILS (RF-IF) ITEM No. LI L2 L3 L4 L5 L6 L7 L8 L9 L10 Lll L12 L13 L14 L15 L16 L17 L18 L19 L20 L21 L2

40、2 t USE Ant. Input Transformer HF Colls Mixer Grid High Band RF Coil Osc. Coll High Band Osc. RF Choke RF Choke 1st Video IF RF Choke 2nd Video IF RF Choke 3rd Video IF Peaking Peaking Sound IF Ratio Det. Transformer FI1. Choke Fil. Choke Fil. Choke Fil. Choke Fil. Choke DC RES. PRI. .1(1 on on on o

41、n on 8.20 .6(1 on en .in en .in 10.60 130 in 2.sn in in in m in SEC. on .2n REPLACEMENT DATA MOTOROLA PART No. 24A790033 24K790605 24K790604 24K780128 24K780127 24B90192 24K7 90035 24A790176 24K790035 24A790176 24A780602 24A780601 24A470159 24B790125 24A780127 24A780127 24A780127 24A780127 24A780127

42、 MEISSNER PART No. NOTES Part of channel selector switch Part of channel selector switch Straight, bare wire Part of channel selector switch 2 microhenries 1 microhenry Less tuning cores 5.8 microhenries Less tuning core 5. 6 microhenries Less tuning core Wound on 18KB resistor, Green identification

43、 dot. Black identification dot. Less tuning core Complete with cores and capacitors. Less shield 1 microhenry 1 microhenry 1 microhenry 1 microhenry 1 microhenry PAGE 15 RadioFans.CN PARTS LIST AND DESCRIPTIONS (Continued) SELENIUM RECTIFIER ITEM No. Ml M2 RATING CURRENT .104A .104A REPLACEMENT DATA

44、 MOTOROLA PART No. 48B470395 48B470395 SYWANIA PART No. ND-5 ND-5 NOTES MISCELLANEOUS ITEM No. M3 M4A B C D E F G H I M5 PART NAME Switch 4th Video IF Coil RF Choke HF Choke Video Coupling RF Bypass Video Del. Filter Video Del. Load Video Det. Load Video Detector Ballast Tube Tuning Core Tuning Core

45、 Tuning Core Tuning Core Tuning Core Terminal Strip Back Cover Back Cover Back Cover Cabinet Cabinet Cabinet Cabinet Cabinet Cabinet Escutcheon Escutcheon Handle Handle Handle Loop Hinge Knob Knob Knob Knob Knob Knob Knob Knob Knob Safety Glass MOTOROLA PART No. 24A790175 24B790129 24B790130 21K4782

46、34 21K478410 21K470323 6R2004 6R6022 48A90173 17A485459 46A478242 46A470310 46K480256 46A70023 46A470302 31A90167 1X790502 1X790581 1X790494 16F790428 16K790429 16K791108 16E790106 16K790632 16F790194 13K791409 13D790192 36K791475 36K790199 36K790198 55K790401 36K791438 36K791441 36K791436 36B790437

47、 36K790427 36K790426 36K791439 36K791442 36K791437 61C790434 NOTES Channel selector. Includes fine tuning trimmer and coils assy Less tuning core 8MMF, 500V 1000MMF, 500V 15MMF, 500V Video Detector Panel 8.2KJJ 3 30SJ 1N34 Brass Lll, L13, M4A Iron and Screw, L16, L9 Primary Iron and Screw. L9 Second

48、ary Iron and Screw. L17 Primary Iron and Screw. L17 Secondary Antenna Includes line cord assy. Model 7VT1 Includes line cord assy. Model 7VT2 Includes line cord assy. Model 7VT5 Table model. Brown mahogany. Model 7VT1 Table model. Red mahogany. Model 7VT1R Table model. Black, molded bakelite. Model

49、7VT2 Table Model. Walnut, molded bakelite. Model 7VT2W Portable, red leatherette, Model 7VT5R Portable, blonde leatherette, Model 7VT5B Includes grill, plastic, Model 7VT1 Includes grill, plastic, Model 7VT5 Cabinet, plastic, rust color. Model 7VT5R Cabinet, leather, tan color. Model 7VT5B Cabinet cover, brass, Model 7VT5 Cabinet cover, complete, brass. Model 7VT5 Channel selector ) Volume, contrast Walnut-mahogany plastic Fine tuning j Models 7VT1, 7VT1R, 7VT4R Channel selector -i Volume, contrast ( Gola Plastic Fine tuning J Models 7VT2, 7VT2W Channel Selector Volume, c