Westinghouse-Electric-Corp-H-621P6 电路原理图.pdf

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1、VOLUME R-18, MOST-OFTEN-NEEDED 1958 RADIO SERVICING INFORMATION Westinghouse Models H-621P6, H-622P6, Chassis V-2296-1 u NO TYPE FUNCTION 2*252 PNP CONVERTER tN2U NPN I.F. AMPLIFIER BN254 HP* I.F AMPLIFIER 2n23| PUP AUDIO DRIVER 2N29I PNP AUDIO OUTPUT PB955R imra- DETECTOR IF ALIGNMENT REQUIREMENTS

2、-N# Loosely couple signal modulated from the gen erator to; Generator Frequency Gonnect VTVM or output meter across the voice coil and adjust: Loop LI 455 KC T3, T2, and T1 in order in dicated for max. output (Reduce generator output if necessary for T2 and T1 ad justments.*) -WvV+ RF ALIGNMENT REQU

3、IREMENTS Ti HP -IfT 1 wv- f* B JVA/VWi 1 Loosely couple mod ulated signal, from generator to: Generator Frequency Cl Setting Connect VTVM or outpi* meter across voice coil and adjust for max. oixpii Loop LI 1625 KC Min. Oscillator Trim D* 1400 KC 1400 KC Antenna Trim RB* tfl 2 WJ 4 IzZ I o3zsr i-2w

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