Noblitt-Sparks-Industries-Inc-42R25 电路原理图.pdf

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1、VOLUME R-23, MOST-OFTEN-NEEDED 1963 RADIO SERVICING INFORMATION A MODELS 42R25 42R29 Model 42R77 is electrically identical and has in addition Appliance Outlets. Model 42R63 has Outlets, omits Clock, and is electrically identical in circuitry. 6BJ6 1* If AM-FF / - r . m m Lni2.2meg fm- if Eg 2 yf es

2、 I2BE6 LV-i i-J : AM CONVERTM L AM SDaIfm-det i (Sr , I2AV6 1 AM DET I* AUDIO -B EXTERNAL CONNECTION TO PRINTEO BOARD. VOLTAGES MEASURED TO B- WITH A V.T. VM. 120%, NO SIGNAL. 2 o 513 FM POSITION UNLESS OTHERWISE NOTED B + VOLTAGES SHOULD BE APPROX 2 V HIGHER IN AM POSITION. 1 ILnJU4 RESISTANCE VALU

3、ES ARE IN OHMS K 1,000. MEG 1,000,000 . 6 CAPACITANCE VALUES LESS THAN (I) ARE IN MICROFARADS TI.2.SB4 (*f), AND VALUES OF ( I ) OR GREATER ARE IN MICROMlCRCfARAOS . _ . 11) UNLESS OTHERWISE INDICATED. I BOTTOI EH ttf / ED ? /“rijj.s ! i Pi* *5 WAT 18 _ W W . A? V AM I.F. 455 KC. FM I.F. 10.7 MC. iWmSTi Ifl it. 1/ -SLEEP SWITCH- -AUTO POINTER V/ -OFF-ON-AUTO SWITCH TUNER SCHEMATIC 0 in O ffi s t s Lo l*vil E 9 9 N aK“ CD OJ ElS J a- oOooo:*Hoo:o:05 5 els rTTi Afel 3 0 VOLUME- tFUNCTION (6) SWITCH note: SHOWN WITH VARIABLE IN CLOSED POSITION. STRINGING DIAGRAM 13 收音机爱 好者资料库 RadioFans.CN