Galvin-Mfg-Co（Motorola）-PC2M 电路原理图.pdf

6BD6_6BE6_ 90v_66D6 6AT6 MANUAL OF 19S2 MOST-OFTEN-NEEDED RADIO DIAGRAMS MOTOROIA, INC. CHASSIS 2M MODELS BK2M, CT2M, GMT2M, HJ2M, HN2M, KR2M, OE2M, PC2M, PD2M, 9 TYPE - Chassis 2M is a four-tube automotive type tuner chassis. It contains the RF Amp, Converter, IF Amp, Detector and 1 st AF Amplifier stages. Ap propriate matched front plate assemblies (attached to the 2M chassis at the fa.ctory) make it into com plete custom Tuner Units for the following cars: Model BK2M For 1952, 1951, 1950, 1949, 1948, 1947, 1946 & 1942 Buick (except Spe cial prior to 1949) Model CT2M For 1952 & 1951 Chevrolet Model GMT2M For 1952, 1951, 1950, 1949 & 1948 General Motors & Chevrolet Truck Model HJ2M Model HN2M Model KR2M Model OE2M Super For 1952 & 1951 Henry J For 1952 & 1951 Hudson For 1952 & 1951 Kaiser For 1952 & 1951 Oldsmobile 88 Model PC2M For 1952, 1951, 1950, 1949, 1948, 1947, 1946 Pontiac Model PD2M For 1952 & 1951 Packard Model SR2M For 1952, 1951 & 1950 Studebaker The above Tuner Units must be used with a sepa rate Audio & Power Unit (Motorola Models P6-2 or P8-2) to form a complete radio receiver. ALIGNMENT 1, Remove receiver housing to expose all alignment ad justments, 2, Connect speaker leads (from Audio & Power Unit) to speaker, 3, Connect an output meter across the speaker voice coil, 4, Connect a 6 volt storage battery to the A lead on the Audio & Power Unit, I An&M : H*- (/) Sg 5. Turn the receiver on and allow it to warm up for a 2 few minutes. Set volume control at maximum and tone con trol to high position, 6, For greatest accuracy, keep output of receiver at ap proximately 1 watt (1 watt = 1,79 volts on output meter) throughout alignment by reducing signal generator output (not receiver volume control) as stages are brought into alignment. 收音机爱 好者资料库 RadioFans.CN