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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: 74
Bush2146NTXDead with Green LED flashingLOPtx CHS order code ALB58614-09-04
Decca146Blank rasterPin 7 TDA3561 low - D502 BZX79C5V6 zener s/c14-09-04

Decca146FIELD COLL. THEN NO PICTURER434 OC ( FIELD ) D502 SC ( 5v6 ZENER ) PICTURE14-09-04
Decca146FIELD COLLAPSE OR BLANK RASTERR434 , CHECK D502 BZX79C5v614-09-04
EtronEC146 BG001-NFlyback lines.C312.14-09-04
Goodmans1465TS L6.1Dead - psu blown due to EHT lead arcing in LOPTxFit PSU kit 482231010663 & LOPTx 482214010562 & LOPTr14-09-04
Goodmans1465TS L6.1Weak contrast - black vert linesC2427 33nF 250v in beam lim14-09-04
GoodmansTVC146TWS Pan TX14GV1Dead - relay slowly clickingstandby I.C. I807 a TOP210PFI and C840 47mfd14-09-04
HitachiC2146 / 2546 / 2846Int Nicam receptionCaused by solder bridge across pins 24 & 25 Nicam dec chip IC420114-09-04
HitachiC2146 etc"C46TN" displayed - in factory set up modePress the 2 VCR buttons on hset together - when the menu appears go to st/by14-09-04
HitachiC2146 etcField - lines at top of picIC601 field chip14-09-04
HitachiC2146TNDead - LED litCheck 5v reg IC952 & 8v reg IC951, IC950 st/by reg & Field o/p chip TA8427K14-09-04
HitachiC2146TNHor lines/striations across top 1/3rd of picR611 270R 1/2w across scan coils dry joints (hidden behind plastic frame supporting pcb)14-09-04
HitachiC2146TNInt cuts outDry joints Q951, Q952 & R952 82k, R950 56k hi res14-09-04
HitachiC2146TNInt field collapseDry joint on R71014-09-04
HitachiC2146TNInt or totally deadCheck for dry joints at 5v IC952 & 8v IC951 regs, line dr tr Q701 & line dr trfmr14-09-04
HitachiC2146TNInt shuts down to st/byDry joints IC950, 951 & 95214-09-04
HitachiC2146TNInt st/byIC950 dry joints14-09-04
HitachiC2146TNMode set up menuSwitch on holding in "Vol+" & "Vol-" together; Model No now displayed on screen; press 2 x rec buttons on hset together to display Vers & Standard; Version 46 V1.0 (later IC V2.0C)....Standard....I (for uk)..adjust with key 9....L.......key 8...DK.....key 0 BG.. 7...DEFAULT...0 1 to 6 alters value TV button return to 0...A18 Programme up button adjusts value.....LOO programme down value adjusts value .....If H shown set is hotel mode....and is removed by -/-- button....after adjustment put set into standby...14-09-04
HitachiC2146TNSHUTS DOWN ONTO STANDBYCHECK IC950,IC951 AND IC952 FOR DRY JOINTS14-09-04
HitachiC2146TN etcNo soundTDA7263 Audio o/p chip14-09-04
HitachiC2146TN etcTrips soon aft sw onDry joints R719/716 (LH rear of LOPTx)- hard to access, also check R905 0R5 or 2x 1R in Parallel14-09-04

HitachiC2146TN seriesDead or int deadDry joints R956 1k (under bob of glue)14-09-04
HitachiTN2166/2146POWER SUPPLY TRIPSSUSPECT DRY JOINTS ON IC95214-09-04
HitachiTN2166/2146St/by only - HT=90vDry joint IC952 5v reg14-09-04
Matsui1460Dead - fuse's gone.STR451 s/c bt pins 1 , 2 , 3 , SR2M s/c , 2SD869 line transistor s/c14-09-04
Matsui1460Dead - no lineR323 1R8 o/c14-09-04
Matsui1460Dead - st/by & chan no's onlyNo HT pin 2 STR451, no volts Pin 4 - R802 150k 1/2w o/c14-09-04
Matsui1460No chan store or Search Downfaulty switches - salvaged replacements from scrap vcr14-09-04
Matsui1460No luminance.Q201 ( KTA562 ) &/or TA7698.14-09-04
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