RCA-Victor-Co-Inc-105 电路原理图.pdf

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1、BLACK WITH BROWN TRACER RED MAROON AND RED MA0.00N BLACK WITH RED TRACER BLACK AND GREEN BLACK WITH GREEN TRACER LOUDSPEAKER 105 105-125 Volts -50-60 Cycle A.C. Operation 30 FOOT POWER CABLE FROM SOCKET POWER UNIT TO RECEIVER TERMINAL STRIP INPUT (PLATE) BROWNBROWN INPUT (5-1-) BLACKct BROWN - iLINK

2、 CLOSED 90 VOLTS AT 10 B+ AMLINK OPEN 90 VOLTS AT 20 ,OR 135 VOLTS AT 3 B+ AMP. 67 V (LINK OPEN) B+ DET 45 V. CAMP 3V. C-AMF, 9V. INPUT C.AD/ RECEIVERRADIO PLUG- CONNECT TO TERMINAL STRIPOUTPUT OF FIRST AUDIO STAGE Thirty-foot power cable and rectirer terminal strip. 120 V. SHIELDD UK- k 4 MFD UX 28

3、1 2 MFD 2 MFD 2 MN). 2 MFD INPUT TRANSFORMER IC=:a K=:. ,C= ,C= (= tC. z - 40+90 H LINK +67 +45 413 3 49 4 MFD OUTPUT TRANSFORMER UK 250 GROUND TO FRAME CONE COIL- FIELD COIL . Schematic circuit diagram of RCA Loudspeaker 105. UX281 UX-250 POTENTIOMETER KNOB REPRODUCER UNIT - 777. UT+9011119-k-110-

4、:, NAVNNKC,ZS,., NN,S,N, -Location of Radiotron socket contacts and socket power unit binding posts. 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 232-A LOUDSPEAKER 105 REPLACEMENT PARTS Insist on genuine factory tested parts, which are readil

5、y identified and may be purchased from authorized dealers Stock No. DESCRIPTION Stock No. DESCRIPTION 780 2034 2185 2186 2187 5742 5746 5747 8313 8314 3. P.0ASSEMBLIES Knob - Dilecto knob for binding post - Pack- age of 10. Switch - Two -position power line adjustment switch - Toggle type. Resistanc

6、e unit No.j. -Next to side cf S. P.U. base. Resistance unit No.2. Resistance unit No. 3 (or No. 4). Socket- - Radiotron socket with metal shell and extended soldering terminals. Filter reactor (for receiver Band C vol- ages) complete in metal container. Transformer - Output transformer complete in m

7、etal container (located under reproducer unit). Condenser bank complete in metal container. Transformer -60 cycle power transformer com- plete in container. 793 1401 1848 2281 5757 8139 8140 9205 REPRODUCER ASSEMBLIES Washer - Copper washer - 0.D. 4 5/8, hole 1 3/4, thickness 1/4-Fittedbetween field

8、 coil and end cap. Washer- Copper washer - O.D. 3 1/2. hole 1 1/2, thickness 1/8 - Fitted in end cap. Switch - Cabinet power line operating switch complete - Single pole. Washers -Cardboard washers used in front end of pot magnet - one set of 2. Coil - Field coil. Flange for mounting cone. Ring for

9、holding cone. Cone- 8 corrugated paper conewith voice coil for dynamic speaker. INPUT POINTED -TOWARD TERMINAL STRIP SLOT IN CHASSIS Filter condenser connections. 4IED R1-2,976 ohms (Taps at 1,325, 67, 134 and 1,450) R2-3,675 ohms (Taps at 1,260, 1,415 and 1,000) R3-4,000 ohms R44,000 ohms TERMINAL STRIPCONNECTIONS +90+67+45 ,% -B-3-9 of RESISTANCE UNITS FILTER CONDENSER CONNECTIONS ENO RESISTANCE UNITS GROUND TO FRAME 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN