Admiral-703 电路原理图.pdf

《Admiral-703 电路原理图.pdf》由会员分享，可在线阅读，更多相关《Admiral-703 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-20, MOST-OFTEN-NEEDED 1960 RADIO SERVICING INFORMATION Admiral Chassis 7Pl, Models 703 and 708 tntiboi oscc,0L|LLaToB 0 COLOR COBE DOT n -crat 1Z -WHITE TJ -OROWI BOTTOM VIEW ALL RESISTORS 1/4 WATT 10V, If * 455 AC COMMON (ROUND (R) # MATCHED PAIR UNLESS OTHERWISE SPECIFIED CAPACITORS IN MI

2、CROFARADS AIL VOLT ACES TAKEN WITN VTVM . . 2N412 TOTAL CURRENT NO SICNALI T.6MA OSCILLATOR t MOUNTED ON REAR Of ETCHEO BOARD 04 . RITTER Ml COLL EMITTER Ml COLLECTOR RASE PNP TYPE TRANSISTOR oi, 2N409 1ST IF 02 m s? oo -t05 |to SRZ3 SR22+ ZZA , cR2% c 4 R22 T4 flC22l OTT.li pi Ice i X zJRb R6 m , c

3、,9iR2StTU jf- Orillia, *2fc* d 06 cm 5 * I- C25 w -_ “ I-0! z in i_ I cc | Q- i , I w Ti -c MOUNTED ON REAR OF BOARD View of Elched Wiring Boord Gray areo represents etched wiring black symbols ond lines represent components on opposite side. INTERMEDIATE FREQUENCY: 455 KC REMOVING CHASSIS FROM CABI

4、NET To remove cabinet back, simply insert a small coin into one of the slots on the bottom edge and twist. *kc.f) cykc.(b; ill |H II I HI |nillll|lTl|i “ I rrv MIXER TO 2N409 0 : 1ST IF H 2N410 2NDIF To remove chassis fiom cabinet, fiist remove the knobs by pulling them off. Remove the back cover |/

5、j.go K(. as instructed above. Remove the four screws at the corners of the etched board. Lift entire chassis (etched board with all components) out of the cabi net front. I2N412 OSC -xxj ( r* 1N295 2N406 AVC DRIVER 7? 1N295- 2N406 OUTPUT XT (MATCHFf) PAIR) W 3*- / “i (MATCHED PAIR) Transistor and Alignment Locotions. 收音机爱 好者资料库 RadioFans.CN