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


registersend 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: 442
Decca170No sound or raster - display Ok - no 12v railDrys on pins 1&15 of M152 connector ( audio/scart pcb ) must remove.14-09-04
Decca170No sound/led & bright raster fading away6v supply only 2.2v - D811 BA157 leaky14-09-04

Decca170No sound/vis - has chan display & will change chan - HT present at lop trDry joints on plug pins base of vertical scart panel & on RA16 on separate audio panel.14-09-04
Decca170No start up - chan ind okR426/427 1k hi res14-09-04
Decca170NO TUNING FROM COLD , OK WHEN WARM4Mhz CRYSTAL X00114-09-04
Decca170No tuning when cold33v ok at pin 17 SAB3035 but no o/p pin 15 - X001 4Mhz Xtal faulty14-09-04
Decca170NON STARTER , CHAN IND LIGHTS , CAN BE SWITCHED TO SCHECK LINE DRIVER STAGE ESP. R426 AND R427 BOTH 1K ohm14-09-04
Decca170Only possible to select one channel.Front panel membrane , or IC702 ( CITAC )14-09-04
Decca170Pale picture - lack of contrast - control u/sL506 o/c.14-09-04
Decca170Sound - none LED 1/2 inch bright band at top.D811 ( BA157 ) high forward resistance , R820 ( 0.22R )14-09-04
Decca170Switching on from standby.IC702 or Front panel control membrane.14-09-04
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
Decca170/80INT YELLOW FACES AFTER 2hrsC531 1uF 50v DECODER14-09-04
Decca171Line collapse.Drys on Lin coil.14-09-04
Decca171Line collapse.Drys on Lin coil.14-09-04
Decca171No sound.Drys on sound IC.14-09-04
Decca171No sound.Drys on sound IC.14-09-04
Decca171No Tuning - will sweep.R004 ( 4.7R ) side of tuner.14-09-04
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
page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : InSip - Telecom Heimo

script execution: 0.01 s