اليكم اعزائى الكرام عطل واصلاح للنليفزيون LCD ماركة توشيبا اتمنى ان تعبكم وشكرا :
الجزء الاول
TOSHIBA
Size
Model
Chassis
Symptom
Problem Description
Fix
13"
MD13N3
Combo
Dead
Dead
D3820
19"
19A21
Dead
Dead, Fuse OK
D513 (NTE579), Q501 (AD300675)
19"
MV19L2
Dead
Dead
C425 (.0012uF/2kV)
27"
27A32
Power
shuts down randomly
Q512 (2SA1624), R527 (.68ohm/2W)
27"
CF-2662B
TAC-9215
Vertical
Image Stretched at top Edge of picture
C301 (1uF/50V), C305 (1uF/50V), C308 (220uF/35V), resoldered IC301 (TA8427K)
27"
CF-2666A
Vertical
Single horizontal line accross middle of screen
AN5521 C305, R327, C308
27"
CX2788
Dead
Completely dead
C866 (22uF/25V), C863 (4.7uF/50V), resolder any bad connections
27"
CX2788
Lines in video
Lines in top third of raster
C381 (220uF)
27"
CX2788
Dead
Dead
C822, C840, C841, DC regulator
27"
MW27FN1
combo
Video
vertical retrace at the top of the picture
C427 (100uF/35V), C402 (1uF/250V)
27"
MW27FN1
combo
Video
Vertical not full height, DVD not working
C402 (1uF/250v) resolder IC401, R413, R444, R447, R424
27"
MW27FN1
combo
Video
Vertical foldover at top and bottom of screen
C402 (1uF/250V), C421 (4.7uF), C427 (100uF/35V), IC410 (LA78041)
32"
32A40
Video
Intermittently vertical collapse
Resolder Q421
32"
32A42A
Power
Overheats and shuts down
D466 (#23357248)
32"
32AF45
Power
shuts down after 5 seconds
C403 (22uF/50V), C410 (1uF/250V), C539 (4.7uF/50V), and C524 (47uF/25V)
32"
CF3264K
Power
intermittent shut down
Q845 (regulator, #A6907752), Q841 (Opto, #A8643135), 5.1V zener.
32"
CF3264K
Dead
Dead
Line capacitor, QA45
32"
CZ32T31
Video
set has no pic or raster
Vertical not working because of broken trace about 2 inches from F301
36"
36A41
Power
shuts down
Q472 (2SC1740, in xray protect)
36"
36A43
Power
shuts down, may be intermittent
R216 (22kohm/.05W surface mount)