1952 RCA 21T176 - Early Television Foundation
1952 RCA 21T176 - Early Television Foundation
1952 RCA 21T176 - Early Television Foundation
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SCRIPTIONS (Continued)<br />
ESISTORS<br />
IDENTIFICATION CODES<br />
ALL RESISTORS - 10% UNLESS OTHERWISE SPECIFIED<br />
Antenna Coil Shunt<br />
AGC Network<br />
AGC Network<br />
RF Amplifier Cathode<br />
RF Amplifier Cathode<br />
RF Amplifier Grid<br />
RF Amplifier Decoupling<br />
RF Amplifier Decoupling'<br />
Isolation<br />
Mixer Grid<br />
RF Coil Shunt.<br />
Oscillator Grid<br />
Oscillator Plate<br />
AGC Network<br />
AGC Network<br />
AGC Network<br />
Decoupling<br />
Decoupling<br />
AGC Network<br />
IF Coil Shunt<br />
Is't. Video IF Cathode<br />
1st. Video IF Screen<br />
1st. Video IF Plate<br />
2nd. Video IF Grid<br />
2nd. Video IF Cathode<br />
2nd, Video IF Screen<br />
2nd. Video IF Plate Decoupling<br />
Isolation<br />
AGC Network<br />
AGC Network<br />
AGC Network<br />
Voltage Divider<br />
Voltage Divider<br />
Voltage Divider<br />
3rd. Video IF Cathode<br />
3rd. Video IF Screen<br />
3rd. Video EC' Plate Decoupling<br />
IF Coil Shunt<br />
IF Coil Shunt<br />
4th. Video IF Cathode<br />
4th. Video IF Screen - See Note 1<br />
4th. Video IF Plate Decoupling<br />
Voltage Divider - See Note 2<br />
Voltage Divider<br />
Isolation<br />
Video Amplifier Grid<br />
Video Amplifier Cathode<br />
Video Amplifier Plate Wire-Wound<br />
Contrast Network<br />
Contrast Network<br />
Voltage Divider<br />
Voltage Divider<br />
Picture Tube Cathode<br />
Picture Tube Cathode See Note 2<br />
Voltage Divider<br />
Voltage Divider<br />
1st. Sound IF Grid<br />
1st. Sound IF Cathode<br />
1st. Sound IF Screen<br />
1st. Sound IF Decoupling<br />
2nd. Sound IF Grid<br />
2nd. Sound IF Cathode<br />
2nd. Sound IF Screen<br />
2nd. Sound IF Decoupling<br />
Bleeder<br />
Balancing<br />
De-emphasis<br />
Balancing<br />
Balancing<br />
Ratio Detector Diode Load<br />
Ratio Detector Diode Load<br />
Tone Compensation<br />
Tone Compensation.<br />
Tone Compensation<br />
Audio Amplifier Grid<br />
Audio Amplifier Plate<br />
Audio Output Grid<br />
Audio Output Cathode<br />
Audio Output Cathode Wire-Wound<br />
Audio Output Decoupling Wire-Wound<br />
AGC Amplifier Grid<br />
Voltage Divider<br />
Voltage Divider<br />
Horizontal Sync .Seperator Cathode<br />
Horizontal Sync. Seperator Plate<br />
Horizontal Sync. Amplifier Grid<br />
Horizontal Sync. Amplifier Plate<br />
Horizontal Sync. Amplifier Grid<br />
Horizontal Sync. Amplifier Cathode<br />
Isolation<br />
Isolation<br />
Sync. Seperator Cathode See Note 3<br />
Sync. Seperator Plate<br />
Sync. Peaking See Note 4<br />
Sync. Peaking See Note 2<br />
Vertical Sync. Amplifier Grid<br />
Vertical Sync. Amplifier Plate<br />
Vertical Sync. Amplifier Plate<br />
Integrator Network<br />
Integrator Network<br />
Integrator Network<br />
Vertical Osc. Trans. Shunt<br />
Vertical Osc. Grid<br />
Vertical Osc. Grid<br />
Vertical Osc. Plate<br />
Vertical Peaking<br />
Vertical Output Grid<br />
Vertical Output Cathode<br />
Vertical Output Decoupling<br />
ITEM<br />
No.<br />
R118<br />
R119<br />
R120<br />
R121<br />
R122<br />
R123<br />
R124<br />
R125<br />
R126<br />
R127<br />
R128<br />
R129<br />
R130<br />
R131<br />
R132<br />
R133<br />
R134<br />
R135<br />
R136<br />
R137<br />
R138<br />
R139<br />
R140<br />
R141<br />
R142<br />
R143<br />
RI44<br />
R145<br />
R146<br />
R147A<br />
RATING<br />
RESISTANCE<br />
88KB 5%<br />
OKfl<br />
220KB<br />
150KO<br />
270KB<br />
2700B<br />
32KB<br />
68KB<br />
330KSJ<br />
320KO<br />
58KB<br />
150KB 5%<br />
3900 ft<br />
68KB 5%<br />
82000 5%<br />
18KB<br />
56KO 5%<br />
150KB<br />
390KB<br />
390KB<br />
470 20%<br />
IMeg<br />
1000<br />
8200 SJ<br />
82000<br />
82KB<br />
200B<br />
1.5B 5%<br />
lOOOMeg<br />
950B<br />
B 450B<br />
C 1500B<br />
D 1200B<br />
E 10KB<br />
F 7KO<br />
WATTS<br />
1<br />
a"<br />
i2^2<br />
I<br />
1<br />
i Ii^l ii<br />
1<br />
ifi212<br />
t<br />
2<br />
2<br />
2<br />
1<br />
5<br />
^2<br />
n<br />
u •<br />
RESISTORS (CONTO<br />
REPLACEMENT DATA<br />
<strong>RCA</strong><br />
PART No.<br />
512368<br />
503310<br />
503422<br />
503415<br />
503427<br />
503227<br />
513382<br />
513368<br />
503433<br />
503482<br />
513368<br />
512415<br />
503239<br />
512368<br />
502282<br />
503318<br />
512356<br />
503415<br />
503439<br />
503439<br />
504047<br />
503510<br />
523110<br />
76504<br />
76504<br />
513382<br />
76682<br />
76468<br />
76648<br />
IRC<br />
PART No.<br />
BTA-68K 5%<br />
BTS-10K<br />
BTS-220K<br />
BTS-150K<br />
BTS-270K<br />
BTS-2700<br />
BTA-82K<br />
BTA-68K<br />
BTS-330K<br />
BTS-820K<br />
BTA-68K<br />
BTA-150K 5%<br />
BTS-3900<br />
BTS-68K 5%<br />
BTS-8200 5%<br />
BTS-18K<br />
BTA-56K 5%<br />
BTS-150K<br />
BTS-390K<br />
BTS-390K<br />
BTS-lMeg<br />
BTB-8200<br />
BTB-8200<br />
BTA-82K<br />
1 3/4A- 200<br />
'2D-1000<br />
76499 J f 1 3/4A-450<br />
1 3/4A-I500<br />
1 3/4 A -1200<br />
1 3/4A-10K<br />
1 1 3/4A-7K<br />
Note 1: Some Models may use a 33KS7 Resistor in this application<br />
Note 2: Not used in all Models<br />
Note 3: Some Models may use a 5. 6Meg Resistor in this application<br />
Note 4: Some Models may use a IMeg Resistor in this application<br />
ITEM<br />
No.<br />
Tl<br />
ITEM<br />
No.<br />
T2<br />
T3<br />
T4<br />
T5A<br />
B<br />
ITEM<br />
No.<br />
T6<br />
PRI.<br />
117VAC<br />
©2.7A<br />
RATING<br />
SK. 1<br />
700VCT<br />
.290ADC<br />
DC RESISTANCE<br />
SEC.<br />
1310B<br />
OB<br />
PRI.<br />
165B<br />
300B<br />
tapped<br />
©too<br />
650B<br />
SOB<br />
3.5B<br />
,50<br />
RATING<br />
SEC. 2 SEC. 3<br />
6.3VAC<br />
©9.5A<br />
SEC. 5<br />
6.3VAC<br />
©2.4A<br />
5.0VAC<br />
©6.0A<br />
SEC. 4<br />
6.3VAC<br />
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