RCA-Victor-Co-Inc-3RG8 电路原理图.pdf

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1、sagjffl HMCimiHMiHB iciamafflwmgg 132167-1 TO BATT.(+) CENTER SPKR. TERM. Jl EARPHONE JACK Standard Loop or short wire placed near antenna 1620 kc 1400 kc 600 kc Repeat above steps as necessary for best sensitivity. VOLUME CONTROL BUSHING TUNING GANG PULLEY Dial Cord Stringing Connect Signal Sewrce

2、To Set Signal Source To_ Stator of CIA (RF gang) through a Al Adjutt for maximum TS (3rd IF) T4 (2nd IF) TO BATT-H Chassis LayoutView from Wiring Side GENERAL ALIGNMENT CONDITIONS 1. Connect output indicator across speaker voice coil. 2. Connect low side of signal source to common ground, (battery n

3、egative) 3. Signal input should be kept as low as possible to avoid AGC action (Set output indicator to highest sensitivity) 4. Standard modulation is 400 cycles at 30% amplitude. 5. Volume control should be turned to maximum. NOTE: CHASSIS MUST BE MOUNTED TO FRONT PANEL WHEN BEING ALIGNED. ALL WMTU

4、ia VALUES ARE IN OHMS K-IOOO 100 jtT-| I 1 . CAPACITANCE VALIAS LESS THA* 1.0 ARE IN NF. M 200 T I III FT VALUE LO B ABOVE ARC tN MMF EXCEPT AS NOTED. 68 300 f T P T VOtTMt! u.n no. o, vrwn. -_450 K* U 12 u BATTERY REPLACEMENT 1. Insert a coin m slot located in center of back near bottom, (tP ot ?at

5、tery compartment cover) and twist. Cover will snap out. 2. Replace batteries, observing correct polarity. 3. To replace cover, position the three lugs at the bottom of the cover in the three small slots in the bottom of the case. Press downward and inward on top of cover. Cover will snap” into place. 135 收音机爱 好者资料库 RadioFans.CN