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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 35
AlbaCTV3409 11AK20SLED stays green (pic ok)Q803 BC547 st/by sw tr leaky14-09-04
Bush1433 11AK20Blank screen with 3 lines top lh of screen then shuts down (Anti-theft password set)Enter correct password!14-09-04

Bush1433 11AK20Bright B pic with FB linesQ907 BF423 leaky or equiv in other col14-09-04
Bush1433 11AK20DeadR802 75k 2w o/c or R809 0R47 o/c14-09-04
Bush1433 11AK20Dead - internal fuse intactpower surge blown bridge rects - replace also safety res 2R2 5w14-09-04
Bush1433 11AK20Int dead or reverting to st/byDry joints IC802 reg & IC401 jungle chip (under IF shielding plate)14-09-04
Bush1433 11AK20LH side pic purple, RH side greenIC402 STV2180A faulty14-09-04
Bush1433 11AK20No pic - sound okLoptx arcing with C615 - LOPTx faulty14-09-04
Bush1433 11AK20No pic/sound - HT okD604 BA157 LOPTx sec s/c14-09-04
Bush1433 11AK20St/by onlyNo clock/data between IC502 EEPROM & Micro replace EEPROM pt no ALBA362162402014-09-04
Bush1433 11AK20Watery/rolling pic - may be intC407 47nF 50v vid coupling cap to IC401 pin 13 leaky14-09-04
Bush1433 11AK20D2Dead2R2 5w & 0R33 resistors off chopper trfmr blows at sw on - C814 220pF 1kv in psu pri s/c14-09-04
Bush1433 11AK20M-3Trips at sw onD604 200v rect s/c - fitted RGP15 in lieu14-09-04
Bush1433 11AK20SLED stays green (pic ok)Q803 BC547 st/by sw tr leaky14-09-04
Bush1433 11AK20SPoor video HF responseCheck R931, R932 & R933 150k on crt base14-09-04
Bush1434 11AK20M-3Int tuning - no sigsresolder SMD`s around R584 / R521, located on underside of PCB near IC50114-09-04
Bush1434 11AK20M-3Shuts down with ticking noiseD604 BA157 s/c14-09-04
Bush1473T 11AK20Field collapseR709 sm 10k adjacent to FOP chip not properly soldered in14-09-04
Bush1497ITV/3 11AK20SHeight stretched & width in on rh sideHT pot never been soldered14-09-04
Bush2868NTX 11AK20Child Lock removalpress P+ and P- on front 5 times14-09-04
BushITV8401 11AK20SSt/by only - r/c not operating tvInitialise remote by pressing arrow L, arrow R & arrow Down as well as "1" at the same time14-09-04
Metz11AK20 ChassisSwitches to standby when hot.Change/replace C601 100nf and C605 3,3uF.14-09-04

Metz11AK20 ChassisWon't search/Search menu is not correct. Displays "enter channel number" although tuner is not synthesised.Replace microcontroller IC.14-09-04
MitsubishiBDS1451UK 11AK20-SSt/by onlyReplaced IC501 (ST92195B1B1) Micro & check 4Mhx Xtal14-09-04
MitsubishiBlack Diamond BDS1451UK 11AK20-SSt/by onlyCheck 4Mhz Xtal by micro - may be dry jointed14-09-04
Protec3731 11AK20St/by only aft trying to startD604 BA157 s/c in 200v supply & LOPTx arcing14-09-04
Protech11AK20D1Dead - pri HT onlyR804 15k 1w, IC801 TDA4505-2 replaced left psu tripping - D809 MR856 s/c - used BYW96E in lieu14-09-04
Protech3731T 11AK20M-3LOPTx arcingUse ALB587 from CHS (same as Bush 1433)14-09-04
ProtechPFA3639/B 11AK20DeadD809 sec chopper trfmr s/c - needs r/c to sw on set14-09-04
SchneiderSTV1401 11AK20D2Faint tripping noise onlyD811 (MR852) the 16volt line rectifier diode was S/C. Fitted a BYT13 (1000v 3amp).14-09-04
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