General-Electric-Co-P845A 电路原理图.pdf

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2、 收音机爱 好者资料库 RadioFans.CN VOLUME R-23, MOST-OFTEN-NEEDED 1963 RADIO SERVICING INFORMATION MPN TRANSISTOR GENERAL ELECTRIC Model P845A (Material continued) PMP TANSISTO* I J C0ll wsty I EMIT TRANSISTOR MTfi PATTtRKJ CHASSIS REMOVAL Remove two phillips head screws located on the cabinet back. Remove th

3、e screw holding the battery compartment door and remove the penlite batteries. Remove the two phillips head screws located beneath the extreme right and left batteries. Lift off cabinet back and remove four 1/4* hex- head bolts from the circuit board. Carefully lift out chassis from cabinet. TK LfcC

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5、R2 1st I.F. 2.10 *-RS-5301 TR3 2nd I.F. _ 2.10 *-RS-5504 TR4 Driver. 2.10 *-RS-5704 TR5.TR6 Outputs. _ 2.10 OSC COIL 0 0 4 2 O s|o o|s W TRANSFORMERS ALIGNMENT SET VOLUME CONTROL AT MAXIMUM CONNECT OUTPUT METE OR SCOPE ACROSS VOICE COIL INDUCTIVELY COUPLE SIGNAL GENERATOR TO RECEIVER ADJUST FOR MAX

6、AT 1400 KC WHILE ROCKING GANG ADJUST FOR MAX AT MOKC WHLE ROCKING GANG V EMITTER SHIELD NOTES 1 UNLESS OTHERWISE NOTED CAPACITORS MORE THAN I * UUFO CAPACITORS LESS THAN I* UFO RESISTORS ARE V2 WATT AND K-IOOO 2 VOLTAGES 6 CURRENT READINGS ARE AVERAGE UNDER NO SIGNAL CONDITIONS VOLTAGES ARE NEGATIVE WITH RESPECT TO GROUNO 3 REPLACE TRANSISTORS BY CATALOG NUMBERS LISTED IN PARTS LIST / I v TEPS M 12 V / / COMPONENT WIRING DIAGRAM 45 收音机爱 好者资料库 RadioFans.CN