RCA-Victor-Co-Inc-R10-DC 电路原理图.pdf

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1、PAGE 34-A R-7 D.C. R-9 D.C. ITLACM- *This may be plus or minus depending on age of tubes RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N.J., U. S. A. 收音机爱 好者资料库 RadioFans.CN PAGE 35-A Alignment Procedure STEP CONNECT HIGH SIDE OF TEST OSC. TO - TUNE TEST OSC TO - TURN RADIO DIAL TO ADJ

2、UST THE FOLLOWING FOR MAX. OUTPUT 1 I -F Grid in series with .01 mfd 175 kc Quiet Point near e00 kc S & P of 2nd I -F Trans. 2 1st Det.Grid in series with .01 mfd S K P of 1st I -F Trans. 31400 kc1400 kc Osc.,Det. and R -F Trimmers on gang condenser 4600 kc600 kc 800 kc Oscilla- tor Trimmer (Rock Ga

3、ng) 5Repeat SteP 3 R-7 D.C., R-9 D.C. & R-10 D.C. CA UT I CM : DO NOT CONNECT EXTERNAL GROUND TO CHASSIS. Connect low sideof test oscillator to chassis and ground lead of receiver in series with .05 mfd dur- ing alignment, REPLACEMENT PARTS Stock No . DESCRIPTION ListStock No. DESCRIPTION List RECEI

4、VER ASSEMBLY3002 Resistor -20 ohms-Porcelain type - 2240Resistor -30,000 ohms-Carbon type- 1 Watt 3003 Used across UX-245 filament. . Cushion - Sponge rubber cushion - 2546 2731 Resistor -1 megohm-Carbon type -1 watt-Package of 5 Resistor -10,000 ohms-Carbon type- 1 watt-Package of 5 3004 3045 Packa

5、ge of 4 Resistor -180 ohms-Porcelain type - Used as heater supply-Three used Resistor -40,000 ohms-Carbon type - 2746Socket-Dial lamp socket 1 watt-Package of 5 2749Capacitor -2400 mmfd.-Second detec- tor radio frequency by-pass capacitor 3071Plug-Male and female power plug- Used as interlock-Set of

6、 2 complete 2875Knob-Station selector, tone or volume control knob-Package of 5 3072 plugs Resistor unit-Resistor unit complete 2881Bracket-Dial lamp bracket-Package for use on 220 volt D. C. lines 2882 2946 2968 of 5 Socket-UY Radiotron socket-Com- piste withinsulation shield-Five used Escutcheon-S

7、tation selector escutch- eon Socket-UX Radiotron socket-Com- pletewithinsulation shield-Two used 3073 7054 7062 7238 7239 Switch-Operating switch Cord-Power cord and plug Capacitor-Adjustable capacitor -15- 0 mmfd. Capacitor pack-Comprising one 0.05 mfd., four 0.5 mfd., one 0.1 mfd. and 1.0 mfd. cap

8、acitor in metal container Transformer-A. F. transformer assem- bly in metal container 2973Board - Magnetic pickup terminal 7240Reactor-Filter reactor board-Complete with terminals and screws-Package of 2 7241Capacitor-Three gang tuning capacitor LOUDSPEAKER ASSEMBLY 2990Resistor -4500 ohms-Carbon ty

9、pe -1 watt-Package of 5 3237Screw assembly - Speaker mounting 2991Transformer-First I. F. transformer-screw assembly-Comprising 4 screws Complete with shield and mounting screws 8 washers, 8 nuts and4eyelets- Package of 1 set 2992Transformer-Second I. F. transformer 8559Ring-Speaker cone retaining r

10、ing -Complete with shield and mounting screws 8601ne 5 -Speaker paper cone-PackageCoot 2993Board-Resistor board complete, less resistors 8639Coil-Comprising field coil, magnet and cone support 2994Coil-Second detector R. F. choke coil -Complete with mounting rivet CABINET ASSEMBLY 2995Volume control

11、-Complete, less knob- X31Back frame assembly Package of 56168Hinge-Back frame hinge-Comprising 2996Tone control-Complete, less knob-2 hinges and 12 mounting screws- Package of 5Package of 1 set 2997Coil-R. F. coil-Complete with mount- SPECIAL PARTS FOR R-7 D.C. 2998 ing washer and nut Coil-First det

12、ector and oscillator coil assembly-Complete with mounting washers and nuts 7242Cloth-Grille cloth complete with baffle board 9322Panel-R-7 D.C. back panel-Less resistors and power cord 2999Shaft-Dial scale drive shaft assembly SPECIAL PARTS FOR R-9 D.C. complete3070Bolts-Speaker mounting bolts, nuts and washers - 3000Scale-Dial drum and scale-Complete with set screws Package of 2 3001Resistor -1.9ohms-Porcelain-Used in parallel with dial lamp 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN