daewoo Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
Daewoo Video Combi Model: GB14F7T1
Smoke came out of vents, then shut downSmall pin hole in line output transformer type FSA36012M
Daewoo CP775
Dead - faint ticking from PSULOPTx faulty - check Q401 D18809a4 aka 2SD1880 for s/c and D406 for s/c
Daewoo CP785
No pictureReplace IC TDA8385J
DaewooTVC14VP
Dead - led flashes red/greenR817 o/c
DaewooT512
Poor greyscale tracking .C504 sc
DaewooT200
Trips 3 - 4 times then deadC807 120µ 400v
DaewooT200
St/by only - relay clicks okC410 1nf 2kv in lop stage smoking & faulty
DaewooT140
Dark pic - non existent until A1 turned upC542 10n 3kv on crt base int
DaewooN/K
Rainbow raster - sound okField o/p chip faulty
DaewooGB5582TX
Pick fades out maybe once a weekDry joints LOPTx heater pin
DaewooGB2898ST
St/by onlyC815 1000µ 25v o/c
DaewooGB2898ST
Sound only - no line driveR820 feed to 12v & 8v feed should be 2R - was 10R in this case
DaewooGB2898ST
no picture - sound, heaters, EHT were OK.Decoupling cap C417 4n7 400v leaky
DaewooGB2898ST
No e/w correctionQ404, next to the E/W o/p tr 2SC3198 leaky
DaewooGB2898ST
Buzz on sound at low levelresolder fop chip heatsink
DaewooGB2898CTV
Arcing in scan coil plug blew componentsField chip TDA8351, then bright blue raster - TDA6106Q B o/p chip on crt base
DaewooGB21F1T2
Dead - 4A mains fuse blownC842 4700pf blue bead cap burnt & short
DaewooGB20A5
No picture sound ok power supply working okIC1301 TDA8356 _ D301 5.1 Zener
DaewooGB14H1T
Sync absenteeprom - [clock & data lines on video ic were low by approx 1v]
DaewooGB14H1T
Service mode enteringOn hset press Blue > Yellow > Green > Red > Stby sequencially. When brought out of st/by should be in service mode. Use buttons 1 & 4 for Slope Adjust; 2 & 5 for Vert Centre; Use buttons 3 & 6 for Vert Amp...