Zenith-Radio-Corp-T-522G 电路原理图.pdf

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1、MANUAL OF 19SS MOST-OFTEN-NEEDED RADIO DIAGRAMS ZENITH RADIO Chassis 5R07. Models R519R. W, and T522F. G, R, V, W. Chassis 5R03. Models R521F, G, R, W, Y, are electrically similar to 5R07, but have clock panel dimmer controls. - OOKC TO 459KC 455KC TO 400 lot 05 WATT output I2BE6 CONVERTER I2BA6 I.F

2、. I2AT6 DET. AMP. 50C5 PWR.AMP. OPERATION CONNECT OSCILLATOR TO DUMMY ANTENNA INPUT SIG. FREQUENCY SET DIAL AT TRIMMERS PURPOSE 1 Converter Grid .5 MM. 455 Kc. 600 Kc. L3, 4, 5. 6 For I.F. Alignment 2 On* Turn Loop Coupled Loosely to Wovo Mcgnet 1600 Kc. 1600 Kc. C1D Sot Oscillator to Dial Seal# 3 1

3、400 Kc. 1400 Kc. C1B Align Antonna Stag# 3 122 收音机爱 好者资料库 RadioFans.CN VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION MODELS T522R, G, W, V & F CHASSIS 5T06 I2BE6 CONVERTER I2BA6 I.F. I2AT6 DET. AMP. .OS WATT OUTPUT 50C5 PWR.AMP. T3 VOLUME CONTROL NOTES. ALL VOLTMES MEASURED PROM CO

4、MMON RETURN TO POINTS tNOiCATEO WITH AN A.&, D C. OR VACUUM TORE VOLTMETER. ALL VOLTAGES ANE O.C UNLESS OTMENWISC SPECIFlEO. ALL RESISTORS - Wl. TOLERANCE UNLESS OTHERWISE SPECIFIED. USE ONLY ZENITH nOn-MOUCTIVE ELECTROLTTIO CONOCNMR* FOR REPLACEMENT. IF ANT OTHER TYPE OF ELECTROLYTIC IS USED IT WIL

5、L RE NECESSARY TO AOD OS SHOWN HI DOTTED LINES- I.F. TRANSFORMER NUMSERIN8 STARTS WITH*! TERMINAL. AS FIRST TERMMAL CLOCKWISE ARD ADJACENT TO MAMCR AS VKWCO FROM SOTTOM OF CMASMS. 33W4 . RECT. 1 *4*_ 50C5 I2BE6 I2BA6 I2AT6 A.C. CORO 2/2 TURNS AROUND SHAFT RADIO-PHONO SWITCH PHONO A SOCKET -T2 2ND I.

6、 F. TRANS. -L5 PRI. BOTTOM L6 SEC. TOP -Tl 1ST. I.F.TRANS. -L3 PRI. BOTTOM -L4 SEC. TOP v12B SOCKET -CIB ANT. TRIMMER 2/3 TURNS-1 AROUND LARGE PULLEY DIAL CORD DRIVE | l 459 KC J f SPEAKER LEADSf VOLUME 1 CONTROL ALIGNMENT PROCEDURE f TUNING CIO OSC. TRIMMER nnn cmo Downs ccmmon mtmn CONNECT DUMMY INPUT SIG. SET . OSCILLATOR TO ANTENNA FREQUENCY DIAL AT Converter Grid .5 Mfd. 455 Kc. 600 Kc. One Turn 1600 Kc. 1600 Kc. Loop Coupled Lootsly to Wave Magnet 1400 Kc. 1400 Kc. PURPOSE For I.F. Alignmonl Sot Otcillator to Dial Scale 3 180 Align Antenna 5tage 收音机爱 好者资料库 RadioFans.CN