RCA-Victor-Co-Inc-RHH-17 电路原理图.pdf

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1、VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION BATTERY REPLACEMENT 1 Insert a coin in the slot cm the top of the case and twist it to pry the front and back section apart. 2. Remove the back by swinging it open as though it were hinged at the bottom. 3. Replace the battery by snappi

2、ng the connector off the old battery and onto the new one. ( Note the polarized terminals.) 4. Reassemble the case by placing the bottom of the back section into the bottom of the front section and hinge the back section up into the front section and snap them together. (Small bosses on the top and

3、bottom edges of the back section fit into small indentations inside of the edge of the front section ) IF 455 KC. CHASSIS REMOVAL 1. Open case as described under Battery Replacement 2. Remove three (3) screws holding circuit board to case. 3. Unfold wires to speaker 4 Lift up transformer side of cir

4、cuit board and slide board sideways out of case (Speaker wires are long enough to permit chassis to be laid outside of case for servicing. If necessary to separate the chassis and speaker, the speaker leads should be unsoldered from the board to avoid damaging the voice coil leads of the speaker.) RC-1222A Chassis Layout Wiring Side 117 收音机爱 好者资料库 RadioFans.CN