Admiral-582 电路原理图.pdf

《Admiral-582 电路原理图.pdf》由会员分享，可在线阅读，更多相关《Admiral-582 电路原理图.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION ilrfltlimf 5W4 CHASSIS Models 581 and 582 REMOVING THE CHASSIS The front section of the cabinet is removable for alignment and for servicing the component side of the chassis. To remove the cabinet front from the chassis, pro ceed as fo

2、llows: 1. Remove the battery compartment cover. 2. Remove the batteries. 3. Remove the two Phillips head screws in the bottom of the battery compartment. 4. Pull the tuning knob off. 5. Remove the Phillips head screw at the left of the tuning shaft. 6. Gently lift the cabinet front from the cabinet

3、back and chassis. To remove chassis from cabinet back for servic ing the wiring side of the chassis: 7. Remove the other two Phillips head screws in the battery compartment. 8. Make sure tuning gang is closed. Then remove the two Phillips head screws that are visible one near the tuning capacitor an

4、d the other in lower left corner as radio is viewed from the front. 9. Lift speaker from cabinet and away from chassis. 10. Gently lift the printed circuit chassis out of cabinet CONVERTER 01 0 L2 iSPi -sn - Mill 4r -sI. I I_ t-OlV * 3K 1 5% 2ND IF 2-S.W I 1 1 SR,” SRI v01 56800 158 HI! JjlJciNl .N

5、3900 R4R6 5IK = 5% C6 is .R7 ; 160 Z Cl CM. ,.05 CI2 1 /I 1 im :rio sb ngo Rif 228 : 5.6K + u s-sus INTERMEDIATE FREQUENCY: 455 KC. VOLTAGE DATA Voltages shown measured with no signal, using fresh batteries. Volume control ar minimum; dial set at low frequency end. All readings made with VTVM betwee

6、n transistor terminals and B plus (ground). 2N406* OUTPUT 31-e.W BLUE IT4 -O.ICV | I i 2N406 tlM OUTPUT I Q5 four ev r=: 11/2 V T CELLS I OFFo 9 i * 7S 5 V-s-) *Y*0 “brown I (cf f| 1 1 oit?0-6 luc tot, 1ITI tones enitteWcollector base ! “lue HUP v_b*SE T1, T2 4T3 PNP 77PE TRAN! IS70R BOTTOM VIEW 0VE

7、RL0ADD|0()E Q p_ FSnTHFBWI sPECIFlEO 1N295 4 3ej) , “t i? f - : Ss*: i , Tl Lfj-7; ,cLil S, v II# rl i - UNLESS OTHERWISE SPECIFlEO IF -455RC - COMMON GROUND CB4-) * MATCHES PAIR o; - COLLECTOR ) 7TPE (PNP) A EMITTER CAPACITOR VALUES IN MICROFARAOS /r UNLESS OTHERWISE SPECIFlEO. EJ i T 1 C2. CIS MOU

8、NTED rai ON PRINTED WIRING 1 * View of PrinfMd Wiring Board. Gray aroa represents printed wiring black symbol* and linos roprosont compononts. 2 I L2 BOTTOM VIEW 2NDi%WoUtd%ff 1ST AUDI V1N295 DET. 2N406 OUTPUT (MATCHED PAIR) 2N41I CONV. k 3 Transistor and Alignment Locations 收音机爱 好者资料库 RadioFans.CN