BE1 Repair Tips




Search: BE1
Results 35
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Sony BE1
Loss of sound when set was cold / extremely distorted sound when cold after set was turned onSound recovered within a few minutes of turn-on and was then normal. Check the electrolytic capacitors and diode near to the audio output IC heatsink. 100% rectification was achieved by replacing the diode and small value electrolytics in the immediate area of this IC's heatsink
Sony KV-M2131U BE1
Intermittent loss of syncronisation, both horizontal and verticalThe surface mounted power transistor on the teletext module requires resoldering. As there is evidence of scorching on the board the use of a more substantial component would be indicated perhaps with small heatsink
SonyBE1 KVM2131
Repeatedly blows LOPTrdry joints line osc IC551 TDA2579A and possibly C808. Other possibilities dry joints on line driver tx, LOPTx & STR giving an int high o/p
SonyBE1 KVM19TU
Blank raster turning into line collapseTDA2579A jungle chip was heat sensitive
SonyBE1
Won't stop/lock when search tuningSync gen Tr Q071
SonyBE1
WHITE FLASHES ON PICTUREQ301 NOISY JC501Q
SonyBE1
Various tuning faultsdry joints in if strip & C012 0ยต01 s/c
SonyBE1
St/by onlyMicro type M50436-618SP - micro volts were incorrect & no activity
SonyBE1
SOUND WONT ADJUST , OSD OPERATING NORMALLYD201 1SS133 ( ON AF MUTE LINE )
SonyBE1
SOUND STUCK AT ZERO OSD MOVESPIN 7 IC201 TDA1013 AT 6v D201 SC
SonyBE1
SET WON'T TUNE IN BUT OSD MOVES COECTLYIF 33v ON IC004 OK Check Q004 & D156 SC
SonyBE1
Replacing STR54041Use Sankey version - has "SK" in small circle at bottom
SonyBE1
Picture blanks out leaving OSD or pic breaks upDJ on T01 in if can
SonyBE1
pic washed out & flaringR852 overheating (1K0) & D852 leaky
SonyBE1
No sync when coldIC02 SAA5231-V6 vid proc chip faulty
SonyBE1
No sync - sometimes intermittentrepair print to collector of Q02 on txt pcb
SonyBE1
LOW WIDTHL804 O.C.
SonyBE1
LINES OF RED , BLUE , GREEN AT TOP OF SCREENIC501 ( FIELD OUTPUT DRY ) u/s R801 ( 1K )
SonyBE1
Lack of width & E/W distL804 2.7mH o/c - couples E/W drive to diode mod
SonyBE1
Iont sound & vis - goes black with linesDry joints in VIF can