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.
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