JVC TV-13142 Service Manual page 53
Tv/vcr combo
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Also See for TV-13142:
- User manual (54 pages) ,
- Service manual (21 pages) ,
- User manual (54 pages)
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AUTO TRACKING DOES NOT
OPERATE
By manual tracking, does
the DC level at pin 6 of
IC1001 change ?
Yes
In auto tracking, is the
voltage at pin 6 of IC1001
more than DC1.85V ?
Yes
Replace IC1001.
TROUBLESHOOTING GUIDE
No
Does the CTL PULSE
(about 2.0Vp-p) appear at
No
pin 97 of IC1001 ?
2.0Vp-p
Yes
Check IC4001, connection of
CP4001 and CYLINDER UNIT.
No
Check CONTROL HEAD.
TV-13142
TV-13142W
53
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