Temple-TV-1776-Sams-66-16电路原理图.pdf
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1、PHOTO FACT* Folder TEMPLE MODELS TV-1776, TV-1777, TV-1778, TV-1779 VOL. CONT. ON-OFF SW BRIGHTNESSCHANNEL SELECTOR CONTRAST i. TV-1776 TRADE NAME Temple Models, TV-1776, TV-1777 TV-1778, TV-1779 MANUFACTURER Templetone Radio Mfg. Corp., Garfleld Ave., New London, Conn. TYPE SET Television Receiver
2、TUBES Seventeen POWER SUPPLY 105-120 Volts, 50-60 Cycles AC TUNING RANGE-Channels Z t.;.ixa:J-| 13 RATING 1.0 Amp. 11? Volts Alignment Instructions Block Diagram Disassembly Instructions Parts List and Description Photographs Cabinet Rear View Capacitor Identification INDEX Page 10 16 16 12,13,15 Ph
3、otographs (continued) Chassis Top View Resistor Identification 15 6,7 Trans., Inductor and Alignment Identification Schematic Tube Placement Chart Voltage and Resistance Measurements Page 3 11,14 4,9 2 5 fi o o M N N HOWARD W. SAMS AC Voltage measured at 1,000 age readings, ohms. 2. Pin numbers are
4、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. Front panels controls set at minimum. 6. Where readings may vary according to the setting of the service controls, both minimum and maximum readings are gi
5、ven. RadioFans.CN ALIGNMENT INSTRUCTIONS ALIfiNMENT INSTRUCTIONS-READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT This receiver uses a brute rorce type high voltage power supply and extreme caution should be exercised when working beneath the chassis. VIDEO IF ALIGNMENT The signal may be Injected Into the
6、 video IF channel by means of several turns of hookup wire wrapped a round the 12AT7 mixer tube (V2). DUMMY ANTENNA SIGNAL GENERATOR COUPLING High side to sev- eral turns of wire wrapped around mixer tube 12AT7 (V2). Low side to chassis. SIGNAL GENERATOR FREQUENCY 31. SMC 34. SMC 33.0MC 31*51* CHANN
7、EL Any n CONNECT VTVM DC Probe to Point v Common to Chassis. ADJUST Al A2 A3 A4 REMARKS Adjust for maximum deflection. n n n ii n H n i, i. t. n OVERALL VIDEO IF RESPONSE CHECK 5. 6. 7. 8. 9. 10. I1A B 12A B ISA B 14A B 15A 3 16A B 17A B ISA B 19A B 20 21A B 22A B 23A B Connect the synchronized swee
8、p voltage from the signal generator to the horizontal amplifier of the oscilloscope for horizontal deflection. DUMMY ANTENNA SWEEP GENERATOR COUPLING High side to several turns of wire wrapped around mixer tube (V2). Low side to chassis SWEEP GENERATOR FREQUENCY 33MC (10MC Sweep) MARKER GENERATO FRE
9、QUENCl 30.0MC 31.5MC 33. OM2 34.5M3 36.0MC j ruAwwci CONNECT * CHANNEL scopE Any Vert. Amp. to Polnt7N Low side to chassis . ADJUST REMARKS If necessary, slightly retouch Al, A2, A3 and A4 so markers are correctly placed on pattern as per Fig 1. SOUND IF ALIGNMENT Connect two matched 100K2 (t 5%) re
10、sistors in series from pin 2 of the 6AL5 ratio detector tube (Vll) to chassis The Junction of these two resistors is alignment point C as shown on the schematic. DUMMY ANTENNA .05MFD .05MFD SIGNAL GENERATOR COUPLING High side to pin 1 (Grid) of 6AU6 (V7), Low side to chassis SIGNAL GENERATOR FREQUEN
11、CY 4. SMC (Very Accurate- ly) CHANNEL Any CONNECT VTVM DC Probe to Point Common to chass 1 s . DC Probe to Point Common to Point ADJUST A5, A6 A7 REMARKS Adjust for maximum deflection. Adjust for zero reading. A positive and negative reading will be obtained on either side of the correct setting. Af
12、ter recei- ver has been fully aligned tune In a TV station sound carrier and adjust A7 for minimum hum, if necessary. ANTENNA ; ; ; OSCILLATOR ALIGNMENT When adjusting the oscillator settings, it must be borne in mind to set the oscillator circuits to the same channels as the antenna and RF amplifie
13、r circuits were aligned. The oscillator operates 33MC above the sound carrier on the low band channels and 33MC below the sound carrier on the high band channels. DUMMY ANTENNA Direct Direct Direct Direct Direct Direct Direct Direct Direct Direct Direct Direct Direct SIGNAL GENERATOR COUPLING Across
14、 antenna ter- minals. High side to A . Low side to 0. n n SIGNAL GENERATOR FREQUENCY 1B2.7SMC 176.75MC 170.75MC 164.75MC 158.75MC 152.75MC 146.75MC 120.75MC 114.75MC 104.75MC 98.75MC 98.75MC 92.75MC CHANNEL 13 12 11 10 9 8 7 6 5 4 3 3 2 CONNECT VTVM ADJUST A17 A 17 A18 A18 A19 A19 A20 A21 A21 A22 A2
15、3 A23 A23 REMARKS Adjust for rough audio beat In speaker. Volume control and signal generator set at maximum. / 33MC / r / I 3I.5MCJ l 1/3QMC V St - n FIGI PAGE 10 RadioFans.CN PAGE 14 RadioFans.CN o m CHASSIS BOTTOM VIEW-RESISTOR IDENTIFICATION 6ZZI-A1 8Z/L-A1 siaaow RadioFans.CN TUBES (SYLVANIA or
16、 Equivalent) PARTS LIST AMI CAPACITORS CC ITEM No. VI V2 V3 V4 VS V6 V7 V8 V9 V10 Vll V12 VIS V14 V15 V16 V17 USE W Amp. Converter 1st IF Amp. 2nd IF Amp. 3rd IF Amp. Video DET-AGC Video Amp. DO Rest. -Sync. Sep. -Vert. Osc. Sync. Amp.- Horlz. Osc. Sound IF Ratio Det. Audio Amp. Audio Output Vert .
17、Output HV Rect. LV Rect. Picture Tube REPLACEMENT DATA TEMPLE PART No. 6AK5 12AT7 6AU6 6AK5 6AK5 6AL5 6AU6 6SL7GT 6SN70T 6AU6 6AL5 6SQ7GT 6V6GT 6SL7GT 1B3GT 5U4G 7JP4 STANDARD REPLACEMENT 6AKS 12AT7 6AU6 6AK5 6AK5 6AL5 6AU6 6SL7GT 6SN7GT 6AU6 6AL5 6SQ7GT 6VSGT SSL7GT 1B3GT 5U4G 7JP4 RMA BASE TYPE 7B
18、D 7BK 7BD 7BD 6BT 7BK 8BD 8BD 7BK 6BT 8Q 7AO 8BD 30 5T NOTES ITEM No. C68 069 070 071 072 C7S 074A B 075 076 077 RATING CAP. 39 .003 470 470 .005 .005 .1 .05 .01 .05 5000 VOlT 600 1000 1000 6000 6000 6000 6000 600 600 REPLACEME1 TEMPLE PART No. B-C03 AEROVOX PART NOJ 1468-00004 P688-003 7584-005 758
19、4-005 P688-01 P688-05 1467-005 CORNELL- DUBILIER PART No. 5W5Q4 GT6D3 DSTH- 60D5 DSTH- 60D5 MDD60S5 -3 T MDD60SS GT6S1 GT6S5 1D5D5 * Omit bypass section. T Rated .05/6000-use 2 in parallel. CON1 CAPACITORS Capacity values given in the rating column are in mfd. for Electrolytic and Paper Capacitors,
20、and in mmfd. (or Mica and Ceramic Capacitors. ITEM No. CIA B C . 0 2 03 04 C5 06 07 08 C9 CIO Oil 012 013 014 015 016 C17 018 019 020 021 022 023 024 025 C26 027 028 C29 C30 031 S32 033 034 C35 036 037 038 039 040 041 042 C43 044 C45 046 047 C48 C49 050 051 052 053 054 055 056 057 058 059 060 061 06
21、2 063 064 065 066 067 RATING CAP. 16 16 16 80 25 5 500 100 20 5000 5000 5000 5000 6.8 10 2.2 20 2.2 5000 5000 5000 5000 100 5000 5000 100 5000 5000 5000 100 5000 5000 5000 . 5 100 470 330 5 . 0 5 .1 .05 . 2 5 1.0 .05 .05 . 1 . 0 2 . 0 2 330 1500 330 . 0 1 . 0 0 3 . 0 1 320 .005 .005 .01 .01 . 0 1 .0
22、1 .001 . 1 . 0 5 100 .004 220 .005 .005 VOLT 450 450 450 450 25 50 3 50 200 400 600 600 50 600 400 200 600 600 400 600 400 600 1000 600 600 600 400 500 600 600 1000 600 1000 6000 6000 REPLACEMENT DATA TEMPLE PART No. B-CE1-2A86 Alternate CE1-3A85 B-OE1-1A88 A-CE86 A-OE88 A-CE92 AEROVOX PART No. AF44
23、4J AF16J PRS25/25 PRS150/4 PRS6/500 1468-0001 1467-005 1467-005 1468-0001 1467-005 1467-005 1467-005 1468-0001 1467-005 1467-005 1467-005 P288-5 1468-0001 1468-0005 1468-00035 1469-000005 P288-05 P488-1 P688-05 684-25 484-1.0 P688-05 P488-C5 P288-1 P688-02 P688-02 1468-0003 1467-0015 1468-0003 P488-
24、01 P688-003 P488-01 1468-00025 P688-005 P1088-005 P688-01 P688-01 P688-01 P488-01 1464-001 P688-1 P688-05 P688-004 7584-005 7584-005 CORNELL- DUBILIER PART No. UP2224 50* UP8045 BR252A BR550 BRH605 5W5T1 1D5D5 1D5D5 5W5T1 1D5D5 1D5D5 1D5D5 5W5T1 1D5D5 1D5D5 1D5D5 GT2P5 5W5T1 5W5T5 5W5T3 5R5V5 GT2S5
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