Tele-Tone-TV149-Sams-56-22电路原理图.pdf

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1、PHOTOFACT* Folder TELE-TONE MODEL TV149 FINE TUNING VOL. CO NT. ON-OFF SWITCH CHANNEL SELECTOR VERT. HOLD CONTRAST CO NT. i* E m m i TRADE NAME Tele-tone Model TV-149 MANUFACTURER Tele-tone Radio Co., 540 W TYPE SET Television Reciever TUBES Twenty-two POWER SUPPLY 105-125 Volts, 60 Cycle AC TUNING

2、RANGE- Channels Z through 13 58th St., New York, N.Y. RATING .96 Amp. 117 Volts AC Alignment Instructions Block Diagram parts List and Description Photographs Cabinet Rear View Capacitor Identification Chassis Top View High Voltage Supply INDEX 10 Photographs (continued) RF Tuner Left side 13 RF Tun

3、er Right Side 14,15,16 16 11,18 3 19 Resistor Identification Trans., Inductor * 270VDC* 250V DCt -145VDC 260VDO t Pin 13 Pin 6 117VDC 122VDO -3.4VDC5 125VDC 125VDC 127VDC -OV. 157VDC 120VDC OV. OV. OV. 125V DC 3.2VDC* 12VDC* 3. 2V DC* OV.* 117VAC OV. OV. Pin 14 fiVAH Pin 7 .7VDC OV. 1.6VDC .7VDC .7V

4、DC 1VDC -.4VDC OV. 1.1VDC -.4VDC 43VDC 68VAC 3.7VDC 30VAC 93VAC 37VAC 110VAC 110VAO 73VAC 6VAC t Pin 8 1.8VTJC 68VAC 80VAC 25VAC 93VAC 117VAC 117VAC 400VDC I Cop Measured From Pin 3-V17 T Measured From Pin 8-V20 t Do Not Measure. jjTAKEN WITH VACUUM TUBE VOLTMETER. tern 1 2 3 4 5 6 7 a 9 10 1 1 12 1

5、3 14 15 16 17 18 19 20 21 22 23 Tube 6AU6 6AG5 6JS 6AU6 SAU6 6AU6 6AL5 6AU6 6AU6 6AL5 6AT6 25L6GT 6AUS 12SN7GT 12SN7GT 12SN7GT 12SN7GT 12SN7GT 1B3GT 252 6GT 6X5GT 7JP4 Pin 1 3.2Meg 1 Meg 602* 2.2M6K 2.2Meg 02 OS 1 Meg 12 INF. 10 Meg OS 1 Meg ll.SKt 4.7Megjf 5K# 5 Megl 7.5K INF. INF. INF. 32 Pin 9 IS

6、 Meo- Pin 2 OS oa 602* 02 02 OS 47K OS! OS INF. 02 182 6.8K lOOKt 820KT 110KT 47Kt 700S! INF. 32Si OS 155K2 Pin 10 21 Meo- Pin 3 102 52 52 102 132 162 IBM 232 232 52 182 4002* 252 2.2KI 20KI 2.2KI 1.2K# 02Tt INF. 22K ISOKfl 6.8K Pin 11 P.I MHO- Pin 4 82 82 32 132 162 182 202 252 202 82 162 5K* 272 1

7、 . 4Megjf 150K# 470KI 5 Meg t 7.5K INF. 180K INF. INF. Pin 12 HE, Pin 5 12002* IK* 27K 3602* 2102* 602* 1.5K 6.8K* 5302* 15K OS 390K 220K* 3.3Meg T TK.HMfigT 820KT 1.2Meg T 6.2M6K t 47KT 8002 INF. 400K 180K2 4.4 Meg 6.6 Meg Pin 13 IMF. Pin 6 12002* IK* 27K 36020 2102* 602* 02 25KT 5302* 02 02 INF. 6

8、02* 2.2Kjf 20K# Z.SXt 1.2K/ 02TT INF. INF. INF. INF. Pin 14 1 .5SJ Pin 7 1002 02 472 822 822 822 8.2K 02 822 15K 400K* 302 6.8K 352 382 162 402 402 INF. 272 1.52 21 Meg Pin 8 682 302 352 82 382 422 INF. 422 45K 21 Meg Cap 6802 * Measured From Pin 3-V20 t Measured From Pin 8-V21 t Measured From Pin 5

9、-V20 Measured From Pin 4-V20 TT Measured From Pin 8-V20 1. DC Voltage measurements are at 30,000 ohms per volt; AC Voltages measured at 1000 ohms. 2. Sockets connections are shown as bottom, views. 3. Measured values are from socket pin to com- mon negative unless otherwise stated. 4. Line voltage m

10、aintained at 117 volts for voltage readings. 5. Front panels controls set at maximum. 6. Where readings may vary according to the setting of the service controls, both minimum and maximum readings are given. RadioFans.CN ALIGNMENT INSTRUCTIONS PRE-ALIGNMENT INSTRUCTIONS-READ CAREFULLY BEFORE ATTEMPT

11、ING ALIGNMENT To eliminate shock hazard, disable high voltage by unsoldering the lead feeding B+ to high voltage oscillator tube 12SN7 (V18). Use an isolation transformer when available as one side of the line is connected to chassis. VIDEO IF ALIGNMENT A tube shield slipped over the mixer tube, but

12、 not grounded. method of injecting the signal from the signal generator. The to give a reading of approximately -1 volt at Pin 7 6AL5 (V7) DUMMY ANTENNA SIGNAL GENERATOR COUPLING High side to un- grounded tube shield (See prealignment instructions). Low side to chassis. SIGNAL GENERATOR FREQUENCY 34

13、. SMC (No mod . ) 36.9MC (No mod.) CHANNEL Any CONNECT VTVM DC probe to Pin 7 6AL5 (V7). Common lead to chassis. makes a practical and convenient signal generator output is adjusted with AGO line grounded. ADJUST A1,A2 A3.A4 REMARKS Adjust for maximum deflec- tion. Reduce signal gen. output if neces

14、sary to hold about -1 volt reading OVERALL IF RESPONSE CHECK z 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DUMMY ANTENNA SWEEP GENERATOR COUPLING High side to un- grounded tube shield (See above) . Low side to chassis . SWEEP GENERATOR FREQUENCY 35MC (10MC swee; MARKER GENERATOR FREQUENCY 34.8MC * 36.9MC CH

15、ANNEL Any CONNECT SCOPE Vertical amp. to Pin 1 6AU6 (V8). Low side to chassis. ADJUSTREMARKS Check response pat- tern to see that mark ers appear as per Fig 1. If not, make slight adjustments of Al, A2, A3 and A4. RF OSCILLATOR ALIGNMENT The RF Amplifier and mixer lines are pre-set at the factory an

16、d due to their stability normally do not require adjustment. Since Channel 2 Oscillator Coll is in parallel with all other osc. colls at their respective channels. Channel 2 must be aligned first. If Channel 2 Is readjusted at any time, it will be necessary to realign all the other channels. DUMMY A

17、NTENNA 2 - 150S carbon res. in series with each slg.gen. lead. SWEEP GENERATOR COUPLING Across Distant antenna terminal strip. SWEEP GENERATOR FREQUENCY 57MC (10MC sweep) 63MC (10MC sweep) 69MC (10MC sweep) 79MC (10y sweep) 85MC (10MC sweep) 177MC (10MC sweep) 183MC (10MC sweep) 189MC (10MC sweep) 1

18、95MC (10MC sweep) 201MC (10MC sweep) 207MC (10MC sweep) 213MC (10MC sweep) MARKER GENERATOR FREQUENCY 55.25MC (Picture) 59.75MC (Sound) 61.25MC (Picture) 65.75MC (Sound) 67.25MC (Picture) 71.75MC (Sound) 77.25KE (Picture) 81.75MC (Sound) 83.25MC (Picture) 87.75MC (Sound) 175.25MC (Picture 179.75MC (

19、Sound) 181.25MC (Picture 185.75MC (Sound) 187.25MC (Picture 191.75MC (Sound) 193.25MC (Picture 197.75MC (Sound) 199.25MC (Picture 203.75MC (Sound) 205.25IC (Picture 209.75MC (Sound) 211.25I1C (Picture 215.75MC (Sound) CHANNEL 2 3 4 5 6 7 8 9 10 11 12 IS CONNECT SCOPE Vert. Amp. to Pin 1 6AU6 (V8) Lo

20、w side to chassis. ADJUST A5 A6 A7 A8 A9 AID All A12 A13 A14 A 15 A16 REMARKS Adjust to place pic- ture marker at 50% point on pattern as per Fig. 2. Check sound carrier to see if it appears at proper point as per Fig. 2. SOUND IF ALIGNMENT When adjusting the 4.5M3 trap and the primary of the ratio

21、detector coils (A17 j i E f , :, : K i L8 L9 L10 Lll LIE L13 L14 L15 L16 L17 L18 L19 USE Ant . I nput Coll RF Strap Inductor RF End Ind. ti ii it RF Plate Choke Osc. Colls ii ii ii n ii II II ti ii ii ii 11 II M Ii ti it 11 IF Coil 1st VldeoIF 2nd 3rd Peaking Cot 11 ii n M n n Sound IF Trap Ratio De

22、t. Fll. Choke 11 II DC RES. PRI. .2ffi CT Offi Offl OS. OS OS OS, Offi Offi Offl Offi OS, OS OS Offl OS OS Offi .2ffi .2S .28 G.Sffl 152 6ffi 15ffl 1.52 4ffi Offi Offi SEC. .2ffi .252 .3ffi REPLACEMENT DATA TELE-TONE PART No. TLF-139-D TLF-138-D TLF-143-D TLF-143-D TLF-140-D TLF-180-1D TLF-120-2D TL

23、F-120-3D TLF-120-4D TLF-120-5D TLF-120-6D TLF-120-7D TLF-120-3D TLF-120-9D TLF-120-10D TLF-120-10D TLF-120-10D TLF-116-D TLF-117-D TLF-118-D TLF-119-D TLF-133-D TLF-134-D TLF-135-D TLF-136-D TLK-114-D TLF-142-D TLF-144-D TLF-144-D MEISSNER PART No. NOTES Channel 2 Channel 3 Channel 4 Channel 5 Chann

24、el G Channel 7 Channel 8 Channel 9 Channel 10 Channel 11 Channel 12 Channel 13 Wound on 33Kffi resistor Wound on 22KS resistor 15KSi SELENIUM RECTIFIER ITEM No. m RATING CURRENT .160 A. REPLACEMENT DATA TELE-TONE PART No. TSR-100 NOTES MISCELLANEOUS ITEM No. 112 PART NAME Band Swl tch Knob 11 Safety

25、 Glass Escutcheon Bracket Plug Cabinet TELE-TONE PART No. TSW-102D TKN-100 TKM-101 TKN-102D TKN-103 TK11-104D TGL-100D THS-121D THS-274D TPL-150 TCB-100D NOTES Outside Inside Tuner Volume Control Tuner, Outside Picture Tube Antenna Interlock WIDTH CONT HORIZ. CENT. VERT. CENT. CABINET-REAR VIEW PAGE 16 RadioFans.CN HIGH VOLTAGE SUPPLY-BOTTOM VIEW PAGE 19 i RadioFans.CN