Service Information - RCA SelectaVision VideoDisc SFT 100 Service Data

CED-1 Service Information No. 1
No O S. /ЕЕФЕР
VideoDisc Player CED
SERVICE INFORMATION
~ RCA Corporation
MODEL SFT100 Consumer Electronics
Technical Publications
600 N Sharman Dr; Indianapohs, Indiana 46201
Date: June 3, 1981
Subject: Landing Latch/Reduction Gear Assembly
SYMPTOM |
At the beginning of a disc the picture repeats and/or jumps — similar to a locked groove; the servo does not puli the arm
free of the landing latch because the clutch slips.
Corrective Action:
A. Check the adjustment/position of the pickup arm servo drive rack (102). The teeth on the rack should completely
engage the landing iatch gear and clutch gear but shouid not exert excessive pressure on either. If necessary,
loosen the two rack mounting screws and position correctly
After correct rack position is confirmed, if symptom is still evident:
B. Check clutch action:
in LOAD/UNLOAD, clutch should be free (cam engaged).
in PLAY/OFF, cam should be free (clutch engaged).
C. If cam is not completely free in PLAY/OFF, adjust clutch tension as follows:
1. Remove and disassembie the reduction gear assembly. See compiete instructions in Service Data CED-1.
Briefly, unsolder motor leads; disconnect deciutch link; remove four hex head mounting screws (to gain
access to inside screws, remove landing latch and iift arm out of way).
(OVER)
First Edition — First Printing
i g h t 1981 — RCA ration| Consumer Electronics
и = Marala) Paoistradatal Service Information Мо. 1