Westinghouse-Electric-Corp-H-72MP1 电路原理图.pdf

《Westinghouse-Electric-Corp-H-72MP1 电路原理图.pdf》由会员分享，可在线阅读，更多相关《Westinghouse-Electric-Corp-H-72MP1 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-22, MOST-OFTEN-NEEDED 1962 RADIO SERVICING INFORMATION WESTINGHOUSE Models H-76ACS1, H-76ACS2 Chassis V-2508-11 STEREO CARTRIDGE RIGHT CHAN. Rl 2 MEG VOL. cont. R3 J 6K 68 I CHASSIS REMOVAL 1. Remove the perforated tube-service cover which is at tached by 2 phillips screws. 2. Remove the 4

2、phillips screws holding the motor board. Lift the motor board. 3. Disengage the amp-lok from the changer and unsolder the leads to the changer terminal board. 4. Remove Volume control knobs. 5. Remove the 2 speed nuts holding the chassis to the cabinet front. 6. Disconnect the speaker leads. e T, UN

3、TINNED COPPER, RIDGE . k S% ON INSULATION_ LS F TINNED COPPER RIGHT SPEAKER 4 3.2 il QRN/WHT 1 red/whtI r LI .047 CHASSIS GROUND R5 2 MEG vol.cont.5 r-l85v 27oa_ L*2 UNTINNED COPPER,RIDGE S ON INSULATION_ p.75n F TINNED COPPER left speaker 4 3 2 il fo OFF ON SWITCH 1 PART OF 1 RECORD changer AC PHON

4、O MOTOR . 50EH5 35W4 50EH5 50EH5 AUDIO OUTPUT 35W4 RECTIFIER j terminal nearest color dot NOTES- 1. D C.VOLTAGES MEASURED FROM CIRCUIT GROUND USING A VTVM, LOUDNESS CONTROL AT MINIMUM. 2. ALL CAPACITANCE VALUES ARE IN MFD,ft ALL RESISTANCE f VALUES IN OHMS, 1/2 WATT, UNLESS OTHERWISE SPECIFIED : 3. BOTH TRANSFORMER WINDINGS ARE IN THE SAME DIRECTION t CIRCUIT GROUND 收音机爱 好者资料库 RadioFans.CN