panasonic U5 Repair Tips




Search: U5 panasonic
Results 28
MakeModel Ch.SymptomProblem SolutionSolutionBy:
PanasonicU5W
No pic, whining & "0" in displayHT present at LOPTr, no 26v as D852 RU3B was o/c
PanasonicU5N
Sound mutes too long when changing stations ( uptoMAB8441-T005 us ( NLA )
PanasonicU5N
Sound mutes for 5-20 secs on chan changeSuspect MAB8441-T005 micro but no longer available
PanasonicU5N
Dead with whineLOPTx u/s - code TLF14586F - check polarity of fback winding when refitting
PanasonicU5
Trips to st/by aft 1 secSt/by volts low due to 1000µ smoother
PanasonicU5
SQUEALS HT LOW AT 55vLOPT INTERNAL SC
PanasonicU5
Slow startup of picture.Drys on LOPTX.
PanasonicU5
No sound on TxtIC171 SAB3035
PanasonicU5
No sound on teletext.IC171 ( SAB3035 )
PanasonicU5
No sound on one channel - intermittent.1MR resistor under PCB from pin 18 of IC501 to chassis.
PanasonicU5
No picTDA3562A col dec chip
PanasonicU5
No luminance for first half hour or just intDry joints LOPTx - you wouldn't believe it with your eyes!
PanasonicU5
NO LUMINANCE FOR FIRST 30minsLOPT DRY JOINTED
PanasonicU5
No colTDA3562A col dec chip
PanasonicU5
Lines when chan changing & difficult to tuneCheck IC171 SAB3035 & Xtal X171
PanasonicU5
Line pairing for first few mins at sw onC808 47µ 16v in psu
PanasonicU5
Int loss of picIC5002 SAA5240 on Txt pcb
PanasonicU5
Int loss of line syncTDA2579 IC501
PanasonicU5
Int dead with whineDry joints LOPTr -emitter
PanasonicU5
Int deadDry joints scan coil plug