General-Electric-Co-RP1128A 电路原理图.pdf

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1、RIGHT LEFT CHANNEL VOLUME R-21, MOST-OFTEN-NEEDED 1961 RADIO SERVICING INFORMATION Exact material for Model RP1100A, Models RP1127A, RP1128A are similar RIGHT CHANNEL GREEN TONE BLACK left channel (SWITCH ON REAR OF TO REMOVE TURNTABLE 1. Remove the turntable retaining ring lo cated on the Bpindie.

2、2. Remove the turntable by pulling it up over the spindle. TO REMOVE MOTOR 1. Follow steps 1 and 2 as described under TO REMOVE TURNTABLE. 2. Remove the knobs. 3. Remove the four screws holding the motor board to the cabinet. 4. Place the motor board on its back edge inside the cabinet and lay it ag

3、ainst the lid. 5. Remove the 5/16 inch nut holding the ground lug to the motor. 6. Remove the two plastic Twist Caps on the motor leads. 7. Place the left hand on the motor and bring the motor board back to a position where the three screws holding the motor to the mounting frame are accessible. 8.

4、With the right hand, remove the three screws holding motor to the mounting frame. Remove the motor. MOTOR MOTOR FRAME V3 50 DC 4 UNLESS OTHERWISE NOTED CAPACITORS MORE THAN l*MMF CAPACITORS LESS THAN lMF RESISTORS K-1000 RESISTORS M 1,000,000 DC VOLTAGES AT 120 V LINE TO B- W/20.000A/V0LT METER ARRO

5、WS INOICATE CLOCKWISE ROTATION TO PHASE SPEAKERS PLACE A ONE AND ONE HALF (l-V) VOLT BATTERY ACROSS THE VOICE COIL WHEN THE SPEAKER CONE MOVES OUT, AWAY FROM THE MAGNET, THE POSITIVE TERMKAL ON THE BATTERY IS THE PLUS SIDE OF THE VOICE COIL AS trCICATED ON SCHEMATIC TO TO Tl TO T2 C4C PRIMARY PRIMARY BOARD LAYOUT DENOTES CHANGER FRAME TO MOTOR FRAME TO MOTOR TO C4 GRND RIA wyvv-i vyvv TONE BALANCE VOLUME 59 MOTOR AND SWITCH 收音机爱 好者资料库 RadioFans.CN