Zenith-Radio-Corp-N516J 电路原理图.pdf
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Zenith-Radio-Corp-N516J 电路原理图.pdf
VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION ZENITH RADIO CORPORATION MODELS N516J, L & W USING CHASSIS 5N09 AND MODELS N519C, J, L, & W USING CHASSIS SN07 VI I2BE6 CONV. 1 Tsai bi/iT iPfl C3 . -a 100 i r PF i 17 i V3 I2AV6 DET. AMR 40 V , V4 50C5 PWR.AMP. rwiiS r I pf Mp- Rl 1.5 MEG JW I _I CID.OSC. TRIMMER CIB.ANT. TRIMMER- V5 35W4 RECT. 1 PL 2 /(5N07 ONLY) It ALTERNATE PARTS WHEN AI IS NOT USED SEE SCHEMATIC BELOW ,_ VOLUME CONTROL ALIGNMENT PROCEDURE REO C7B .00 NOTES: ALL VOLTAGES ARE O.C. UNLESS OTNERWISE SPECIFIED. ALL VOLTAGES MEASUREO FROM CHASSIS TO POINTS INDICATED WITH A VACUUM TUBE VOLTMETER. U|E ONLY ZENITH NON-INDUCTIVE ELECTROLYTIC CONDENSERS FOR REPLACE* IF ANY OTHER TYPE OF ELECTROLYTIC IS USED IT WILL BE NECESSARY TO ADD C6 SHOWN IN DOTTEO LINES. I.F. TRANSFORMER NUMBERING STARTS WITH #1 TERMINAL AS FIRST TERMINAL CLOCKWISE FROM MARKER CDOE TERMINAL AS VIEWED FROM BOTTOM OF CHASSIS. I.F. FREQUENCY 4SS KC TUNING RANGE S3S - 1620 KC ALL RESISTORS .20* TOLERANCE, 1/2 WATT, CARBON UNLESS OTHERWISE SPEC IFIED. ALL CAPACITOR VALUE IN MICROFARADS UNLESS OTHERWISE SPECIFIED. DENOTES CHASSIS -i- ON AI SECTION LEADS LINE UP ACCORDING TO THE PART NO AS SHOWN 105-43 1234567 DIAL CORD-DRIVE SHOWN IN COUNTERCLOCKWISE POSITION 3/4 TURN AROUND PULLEY INPUT SIG. FREQUENCY SET DIAL AT TRIMMERS 455 Kc. 600 Kc. L3,L4,L5,L6 1600 Kc. 1600 Kc. CID 1400 Kc. 1400 Kc. CIB Z1/2 TURNS around shaft PURPOSE Align I.F. for mox. output Set Osc. to Diol Scale. Align Antenna Stage. 160 收音机爱 好者资料库 RadioFans.CN
