Admiral-361 电路原理图.pdf

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1、MANUAL OF 19SS MOST-OFTEN-NEEDED RADIO DIAGRAMS M m m a CHASSIS 4Z1 AamirtU (Continued from page 6) MODELS 4Z11,4Z12, 4Z14, 4Z18, 4Z19 ALIGNMENT PROCEDURE Battery power is preferable for alignment; use FRESH bat- Set Volume control full on. teries. If this set is to be aligned while operating on an

2、AC r _m power line, an isolation transformer should be iLd. If an *aM outPut meter across * volce colL isolation transformer is not available, connect a .1 mfd. cap- Use lowest setting of signal generator capable of producing acitor in series with the signal generator low side to B minus (pin 7 of 1

3、U5 tube.) 1 Tbe chassis cover must be removed to align adjustments A and C. adequate indication on lowest scale of output meter. Use a non-metallic alignment tool for IF transformers. Repeat adjustments to insure good results. Dummy Aston ua Cenneerien of Step lu Series with Signal Generator Signal

4、Generator (High Side) 1 .1 mfd. Stator of antenna capacitor tuning capacitor .1 mfd. capacitor Signal Generator Frequency Receiver Gang Setting Adjustment Description Adjustment Designation Type ef Adjustment 455 KC Gang fully open 2nd IF 1st IF A, B* C, D* Maximum output 1620 KC Gang fully open Osc

5、illator (on gang) E Maximum output Stator of antenna tuning capacitor Install the metal chassis cover removed during IF Alignment. Loop of several turns of wire, or place genera tor lead close to re ceiver for adequate sig nal pickup. No actual connection (signal by radiation) Tune in generator sign

6、al Antenna (on gang) Maximum output Adjustments B and D are made from underside of chassis. To avoid splitting the slotted head of powdered iron tuning slug in IF transformers, use an alignment tool with a blade 3/32” wide. Admiral AU VOLTASE tMtm TAM HTH A VACUUH WE VOLT HE I Eft Cl IK| .IMF A I-ET

7、- OWF Tjj| soot me uoirteret. 12AU6 _u vi m -1 . Loo2hf llO 1“ Iwluwe 2y4k wSi *3 Too Chassis 361 Model 3G18 50L6gt V2 o. * wA. i rej-oh-off switch RC630 RECORD CHANCER IIT VOLTS AC 80 CYCLES SO MATTS KNURLED NUTS to / at mu esottr. met tentate mt mmu sotmetrs. use m cotuttmt remits esottr ot esc es

8、ottr moss tr it ntce or so tto as. TONE ARM KNURLED NUTS LP NEEDLE V _ PART NO. 98818-39 _ / I RED) NEEDLE SELECTOR KNOB M2 O AUDIO INPUT CARTRIDGE PART NO. 409BI9-9 STANDARD NEEDLE PART NO. 98815-34 VI 12AU6 O V2 50L6-GT -C0HH0H GROUHB -i CHASSIS GROUHB MOTOR SOCKET M6 V3 GT 35Z5-GT Bottom View of Cartridge and Needles. Side View of Chassis. 收音机爱 好者资料库 RadioFans.CN