datasheet,schematic,electronic components, service manual,repairs,tv,monitor,service menu,pcb design
Schematics 4 Free		Service manuals, schematics, documentation, programs, electronics, hobby ....


◦ register ◦ send pass
Bulgarian - schematics repairs service manuals SearchBrowseUploadWanted

DatasheetsChassis2modelRepair tipsFulltext searchCables & Connectors
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: 119
Decca170/180Dist col - yellow faces - intC531 1µ 50v in apc loop14-09-04
Decca170/180Line o/p tr s/cAlso replace D404 BY228 E-W mod diode, Q303 (TIP31 ok) & R433 1R2 safety res14-09-04

Decca180Blowing Q403 S2000AF.C421 o/c ( value depends on CRT size.14-09-04
Decca180Brighter at rh side of screenCheck C426 & C508 0µ114-09-04
Decca180Chan display onlyHT at lop tr - no 18v pin 15 AV plug (M00-1) 26v ok at pin 1 caused by burnt skt pin 15 - hard wired14-09-04
Decca180Chan display only - no 18v to regBad joints pin 15 scart conn14-09-04
Decca180Dead - chopper tr s/cCheck 120 & 150k feedback Rs & 220R res next to chopper tr14-09-04
Decca180Green tint to picture.R212 ( 47k ) high.14-09-04
Decca180instantly blows S2000AF lop tr Q403C433 6.8nf 2kv in e-w cct o/c14-09-04
Decca180Int frame collapse - destroys TDA3651.C306 ( 100uf 50v ) o/c.14-09-04
Decca180Low contrast120k res under lopt14-09-04
Decca180NO SOUND OR PIC LED LITIC1001 SAB303514-09-04
Decca180No sound or raster - display Ok - no 12v railDrys on pins 1&15 of M152 connector ( audio/scart pcb ) must remove.14-09-04
Decca180No syncMAB8441P-T049 Txt chip14-09-04
Decca180Only possible to select one channel.Front panel membrane , or IC702 ( CITAC )14-09-04
Decca180Pale picture - lack of contrast - control u/sL506 o/c.14-09-04
Decca180POOR PIC + INT NO PICDRY ON AV / RGB PCB CONNECTOR M15214-09-04
Decca180Pumping psu at switch onOK off load - Check C806/807 100µ 25v & Mains smoother C805 100µ 385v14-09-04
Decca180SET WON'T START VOLTAGES IN POWER SUPPLY AT STARTC807 100uF 25v CHOPPER BASE COUPLER FROM TDA460014-09-04
Decca180sound virtually non-existantTDA1524A vol/tone control chip14-09-04
Decca180Switching on from standby.IC702 or Front panel control membrane.14-09-04
Decca180This set's picture was brighter at the right-handC508 ( 0.1uF ) . which couples the luminance signal to pin 8 of the TDA3562A colour decoder chip. lt was virtually open-circuit.14-09-04

Decca180Watery pic intermittent or loss of sound/visDry joints pin 15 connector M152 on daughter board14-09-04
GoldstarCIT2180Frame collapse.IC301 & R32014-09-04
GoldstarCIT2180Lack of width & height with line across centre of screenC807 33µ 160v14-09-04
GoldstarCIT2180No tuning.FR401 ( ON 40V RAIL )14-09-04
GoldstarCIT2180Sound muted & goes to Stby after 10mins.Replace the TDA1940 IC401 remove the link J8 & fit 1k instead.14-09-04
GoldstarCIT2180FDeadhairline cracks around pins of chopper tfmr14-09-04
Goodmans2170 2180 2175Hooking at top when playing VideoFit ( 1uF ) in place of C287 ( 2170 2180 ) & C233 ( 2175 2185 )14-09-04
Goodmans2170 / 2180DeadCheck R105 150k, R106 150k, R107 270k & R108 270k14-09-04
page: 1 2 3 4
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : Philips CD931

script execution: 0.05 s