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: 749
Goodmans3375Deaddry joints chopper trfmr14-09-04
Goodmans3375E-W chip burnt (IC18)Also replace L15, D46 & 22R resistor14-09-04

Goodmans3375Field severly reducedCheck diode feeding supply to FOP chip14-09-04
Goodmans3375GOES TO STBY UNLESS ON OFF HELD ( WHEN SWITCH HELDTDA836114-09-04
Goodmans3375St/by onlyTDA1521 Audio o/p IC s/c & R170 0R1 o/c14-09-04
Goodmans3375 F11Corrugated verts & white dots on screen100 uF 25 volt next to regulator I.C. and 100 uF 250 volt on HT to line.14-09-04
Goodmans3375 F11Corrugated verts & white dots on screen100µF 25v next to reg & 100µF 250v on HT to line.14-09-04
Goodmans3375 F11E/W & widthL20 s/c pt no 88700503139 between scan coils & chassis - measured 0R6 on esr meter (infinite on 'Serv' coil)14-09-04
GOODMANS5150RCDEADREPLACE C666 150MFD160V14-09-04
Goodmans5150RCDead - no HTC666 150µ 160v14-09-04
Goodmans5150RCDead with faint whine/tickL652 33µ coil HT feed in lop stage dry joints14-09-04
Goodmans5160BRIGHT WHITE SCREEN100mfd CAP ( MAY BE C659 - SITUATED RIGHT SIDE CENTRE BETWEEN P.SUPPLY AND LOPT. NEAR REGULATORS )14-09-04
Goodmans5160Excess brightnessC629 100µ 25v14-09-04
Goodmans51N1 11AK19dead power supply pulsating with a clicking noise all o/p vols lowIc901 on crt base14-09-04
GoodmansC100LOW GAIN - SLIGHT HUM BAR - PICTURE ALSO PULLS ACRCHECK AROUND HT POT FOR drys or diodes14-09-04
GoodmansC1401RInt picDry joints IF module - min ceramic caps14-09-04
GoodmansC1401RPic int offDry joints IC502 12v reg14-09-04
GoodmansC1401RSnowy picDry joints tuner earths14-09-04
GoodmansC1401RSt/by onlyR802 390k o/c14-09-04
GoodmansC1402DeadD611-614 mains rects replaced - BY133 does14-09-04
GoodmansC1402St/by only after s/c mains diode replacedIC612 opto isolator - type unmarked - most 4 legged devices should work14-09-04
GoodmansC141Blows mains fuse violently at sw onSTR5412 was s/c to heatsink due to damage of mica washer14-09-04

GoodmansC141Snowy screen, no chan light or sigs/soundEM112 st/by mains tfmr - use replacement that will give 5v dc o/p14-09-04
GoodmansC2043Tlow HT when cold33µ 160v cap by chopper tfmr14-09-04
GoodmansC210Dead with chopper tr s/cReplace QS01, 2SD2498 (used BU2520AF); QS04 2SC945(used BC546); QP05, 2SA1012Y; RS03 2.2ohm 1 watt fusible; DS08 8.2 volt zener. ICV01, TDA3653B. Also replaced various caps, especially the 100uF 50 volt in the field supply after it blew up.Replaced chopper Tr & 2R2; QS04 o/c DS08 s/c & FOP chip14-09-04
GoodmansC210Field collapse & sounds like line freq off470µ cap connected to DP18 F08AGO14-09-04
GoodmansC210St/by onlyRP07 330R sm - also check/replace RP1014-09-04
GoodmansC530Int pic - reverts to line collapseLH01 int o/c pt no ACTI19433130A14-09-04
GoodmansC530St/by onlyGlue on ribbon cable at control pcb conductive14-09-04
GoodmansC600line non line - black at rh side of screencaused by glue between R545 & adj coil - scrape off glue & re-route conns & resolder conns in vicinity14-09-04
page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : pioneer gm-3000

script execution: 0.13 s