Panasonic NV-J35B Service Manual

TechInfo Sheet fax: 01344 853689
Audio Visual email: av.technical@mail.panasonic.co.uk
Product Group: VCR Model: NV-J35B Date: 22/10/98 Revision No: 01 Document No: 02 Subject: Common Faults
NV-J30/35/F65/F70 Common Faults
Dead power supply.................................................................... C1109 open circuit - 1uF at 400v
Dead power supply.................................................................... D1113 short circuit - MA2200B
Dead power supply.................................................................... D1110 leaky - MA185
D1113 short circuit.................................................................... C1114 open circuit - 47uF at 16v
Capstan speed erratic................................................................. C1122 open circuit - 330uF at 10v
Capstan speed erratic.................................................................Adjust FG head spacing to capstan motor
Intermittent capstan servo problems........................................... P2001 not inserted fully
Mechanism solenoid chatters and cuts out.................................. R6022 dry joints
No cylinder drive...............................................................C2206 or C2205 or C2204 faulty - 0.1uF at 50v
Intermittent no video head output............................................... Dry joint on head connection pillar
No operation (J35)..................................................................... IC6801 faulty - MN15522VMS
Unable to find any UHF stations................................................. IC7502 faulty - MN12C261D
No RF feed through or tuner operation....................................... Q1102 faulty - 2SD1330
Badly distorted video.................................................................. IC3901 faulty - LA7150
Shading on E to E picture........................................................... C7678 faulty - 10uF 16v
No E to E picture (F65).............................................................. Switched to LP mode
Sound distant and echoing (F65 & F70)...................................... AUDIO MIX switched on
Distorted E to E & playback picture........................................... RF convertor faulty - ENV17972A
Remote controller/scanner inoperative........................................ Short battery contacts together briefly
Panasonic CS U.K. Document No: 02
Model: NV-J35B
1
Loading...