RCA Theremin Replacement Parts

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RCA Theremin Service Notes cover page

RCA Theremin Replacement Parts

Figure 6
No. Description Price
INSTRUMENT ASSEMBLIES
551 Condenser—Fixed condenser—By-pass—2 mfd. $ 2.55
2558 Switch—Power line "On-Off" operating switch or "Play-Off" switch 1.30
2016 Jack—Pin Jacks complete with insulating washers—1 pair .75
2339 Resistor—Time control resistor—100,000 ohms Carbon type .70
2340 Resistor—5000-ohm carbon type bias resistor .70
2538 Clip—Contact clip with flexible lead for Radiotron UY-224 (Not illustrated)—Package of 5 1.20
2549 Resistor—¼ megohm—Carbon type shunt resistor across secondary of second audio transformer—Package of 5 3.00
2632 Condensers—Volume Control oscillator tuning condenser. Capacity 580 mmf. approximate .70
2633 Condensers—Fixed pitch oscillator tuning condensers. Capacity 1160 mmf. approximate .65
2634 Condensers—Variable pitch oscillator tuning condensers. Capacity 1200 mmf. approximate .65
2637 Resistor—10,000-ohm carbon type load equalizing resistor 1.00
2638 Coil—Concentrated coil for loading pitch coil (Not illustrated) 1.90
2639 Knob—Volume or pitch adjustment knob with arrow and set screw—3/16" shaft hole 1.00

Figure 6
No. Description Price
INSTRUMENT ASSEMBLIES (Continued)
2640 Switch—Safety switch mechanism with mounting screws $ 1.95
2680 Condenser—Fixed condenser—.02 mfd.—Across loudspeaker terminals 1.00
5665 Condenser—Fixed condenser—1 mfd. Volume control oscillator by-pass condenser 1.80
5681 Condenser—Fixed condenser ½ mfd. on each side of mid-tap—Pitch oscillators by-pass condenser 2.00
5805 Transformer—Audio transformer in metal Container 4.80
5806 Condensers—Pitch antenna blocking condensers or volume antenna blocking condensers—3 Fixed condensers in one unit—Capacity 2500 mmf. (Not illustrated) 1.55
6022 Condenser—Trimming condenser for adjusting volume control oscillator, fixed pitch oscillator and variable pitch oscillator 1.00
No. Description Price
6083 Condenser—Variable condenser with mounting nut for adjusting volume control—Capacity 135 mmf.—Less knob $ 3.90
6084 Condenser—Variable condenser with mounting nut for pitch adjustment—Capacity 55 mmf.—Less knob 3.30
6085 Resistor—12,595-ohm glazed porcelain—Grid bias and plate resistor—5 sections—8 terminals 4.50
6086 Socket—Pilot lamp socket and bracket—Comprising socket fastened to Micarta strip—Strip includes bracket for mounting to chassis 1.40
6087 Socket—3-gang UX type Radiotron socket 2.40
6088 Socket—4-gang UY type Radiotron socket 3.00
6089 Shield—7-gang protective shield for 3 and 4 gang sockets (Not illustrated) .50
Figure 6
No. Description Price
INSTRUMENT ASSEMBLIES (Continued)
6090 Cabler—Laced cable for wiring chassis—Chassis to S. P. U. $ 2.00
8346 Condensers—Filter condenser with output condenser and choke in metal container—seven condensers and one choke 16.50
3527 Coil Assembly—Comprising volume control oscillator coil, fixed pitch oscillator coil, variable pitch oscillator coil, adjustable condensers—Volume oscillator tuning condenser, fixed pitch tuning condenser, variable pitch tuning condenser wired and mounted on metal strip 8.85
8528 Coil—Pitch resonance control coil with concentrated loading coil, fixed blocking condenser and 3 mounting brackets 11.85
8529 Coil—Volume resonance control coil with blocking condenser and 3 mounting brackets 7.95
No. Description Price
S. P. U. ASSEMBLIES
2022 Socket—Single socket for UX Radiotron in S. P. U. $ 1.85
2034 Switch—Two-position power line adjustment switch—toggle type 1.20
7027 Cable-Laced cable for S. P. U. 2.00
5815 Resistor Assembly—Two 60-ohm resistors with midtaps and mounting bracket 1.40
5816 Resistor—Flat resistor in plate supply of oscillators—2250 ohms .90
5817 Resistor—Bleeder resistor 20,000 ohms—Carbon type .90
5818 Resistor—Plate supply resistor for oscillator—14,300 ohms .90
5819 Strip—Terminal strip with 2 mounting brackets, 11 terminals and screws 1.05
8344 Transformer—60-cycle power transformer in metal container 12.90
8345 Choke Coil—In metal container 10.05