Galvin-Mfg-Co（Motorola）-7X23E 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION MOTOROLA MODELS CHASSIS 7X23E HS-688 7X24S HS-688 7X24W HS-688 ALIGNMENT POINT LOCATIONS ESCUTCHEON 8. CHASSIS REMOVAL I From inside cabinet (below gang) remove escutcheon mounting screw, 2. Remove escutcheon by inserting small screwdri

2、ver into detent on edge of escutcheon and prying up. Work escutcheon free (use caution to prevent scratching cabinet and es cutcheon. ) 3. Remove dial and tuning knobs by pulling straight off. 4. Remove chassis mounting screw. 5. Turn handle perpendicular to component side of plated panel. 6. Grasp

3、handle near one of its two mounting bushings and pull out from side of cabinet until the round portion of mount ing bushing clears hole in side of cabinet, then lift this side of handle and chassis slightly out of cabinet. Perform the same procedure on the other mounting bushing, then lift handle, chassis and speaker plate out of cabinet. 7. Unscrew earphone jack. 8. Separate the plated chassis from the speaker mounting plate as follows: unsolder the wire that connects the gang to the plated chassis. Unsolder speaker lug, green lead from 收音机爱 好者资料库 RadioFans.CN