Panasonic TU-SD250 Service Manual
TechInfo Sheet fax: 01344 853689
Audio Visual email: av.technical@mail.panasonic.co.uk
Product Group: Satellite Model: TU-SD250
Date: 23/10/98 Revision No: 01 Document No: 03
Subject: Common Faults
Subject: TU-SD250 common faults
Dead - fuse FS1 blown.....................................................fit power supply kit part no. 265-7890PSU
Blows U1 after about 20 seconds........................................................C2 open circuit - 47uF at 400v
Dead - ticks every 10 seconds.............................................................C2 open circuit - 47uF at 400v
Dead - just ticking continuously.........................................C8 open circuit - 10uF at 16v - high temp.
Pulsing on and off..............................................................C7 open circuit - 10uF at 16v - high temp.
No picture, just blue screen........................................................................C313 dry joint on one end
Poor picture, poor OSD, OK on scart..............................................................Q105 faulty - BC846B
No picture, and no OSD, OK on scart.............................................................Q105 faulty - BC846B
No reception, LNB supply incorrect......................................................Q60 or Q61 faulty - FXT749
No videocrypt decoder operation..................................................................L20 open circuit to print
No videocrypt decoder operation.....................U20 faulty - contact Technical Support Dept.(T.S.D.)
No videocrypt decoder operation.....................................X8 faulty - 28MHz crystal - contact T.S.D.
LED display incorrect and remote problems......................................................U6 faulty - X24C16P
Latest LNB part number................................................................................................691-0000510
Panasonic CS U.K. Document No: 03
Model: TU-SD250
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