Westinghouse-Electric-Corp-H-85MP2 电路原理图.pdf

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1、ISO VAC VOLUME R-24. MOST-OFTEN-NEEDED 1964 RADIO SERVICING INFORMATION WESTINGHOUSE Chassis V-2508-13, Models H-85MP1, H-85MP2, H-85MP3 -i Rl 500K1 R7 n 470K lC2B faOMFD 270 CHASSIS GROUND SWI ON VOL.CONT. C2C BOMFD : 90 VAC PHONO MOTOR CARTRIDGE REPLACEMENT FUSIBLE 1. Remove the knob retainer scre

2、w and turnover knob. 2. Pull the cartridge out from the tone arm. Remove the spring, washer, and push-on connectors. CHASSIS REMOVAL 1. Remove two nylon-head screws from bottom of cabinet base. 2. Remove turntable. 3. Remove two screws located underneath turntable. 4. Snap the edge of the motorboard

3、 out of the retaining grooves in the cabinet. Lift motorboard out of cabinet. CHASSIS V-2508-11, MODEL H-87ACS1 STEREO CARTRIDGE RIGHT CHAN. BLACK ft YELLOW Rl MEG VOUCONTi 50EH5 . AUDIO OUTPUT MOV is- JT CHASSIS REMOVAL 1. Remove the tube service cover. 2. Remove the speaker compartment cover on th

4、e left side of the cabinet. 3. Remove the screws holding the motorboard. Lift the motor- board out of the cabinet. 4. Disengage the amp-lok from the changer. Unsolder the leads to the changer terminal board and the leads to the speakers. 5* Remove the control panel screws and lift the control panel

5、out of the cabinet. The chassis is attached to studs on the underside of this panel. UNTINNED COPPER, RIOGE S ON INSULATION_ TINNED COPPER RIGHT SPEAKER 4 3.2 IL CHASSIS GROUND ittTi ,J smesL-Jc VOL.CONT? untinned copper,ridge ON INSULATION_ TINNED COPPER LEFT SPEAKER 4“ 3-2 It OFF ON SWITCH PART OF

6、 RECORD CHANGER AC PHONO MOTOR V-2508- II - 50EH5 35W4 50EH9 50EH5 AUDIO OUTPUT 3SW4 RECTIFIER -L -L terminal newest 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 VALUES IN OHMS, 1/2 WATT, UNLESS OTHERWISE SPECIFIED. 3. GOTH TRANSFORMER WINDINGS ARE IN THE SAME DIRECTION. CIRCUIT GROUND 168 收音机爱 好者资料库 RadioFans.CN