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: 18
HitachiC32WF810Int reverts to st/byCheck osc pcb for dry joints (small sub panel near scarts)14-09-04
HitachiC32WF810NTrippingD604 s/c & replace FOP chip14-09-04

HitachiC32WF810N-311Tuner drift effectIC1200 TDA9320H sm chip faulty & upsetting tuners AGC14-09-04
JVCAV28WFR1EK JKNarrow raster then turns offC521 Flyback tunning cap o/c Can also cause failure of Q543 D521 Q521 Q545 Q544 14-09-04
JVCAV28WFR1EK JKWidth reduced & int tripC521 3.5nF 1.5kv line tuning cap - JVC replacement better quality14-09-04
JVCAV28WFT1EKSReverts to st/by aft pic appears with lack of width at sw onC521 2nF 1.5kv tuning cap breakdown - pt no QFZ0196-20214-09-04
JVCAV32WFP1EKSt/by onlyC966 0.01µ s/c14-09-04
SonyBE-3D KV28WF1Uno pic (unless contrast and brightness are fully up)R828 22k on LOPTx pin 7 gone high14-09-04
SonyBE-3D KV28WF1Upic does not zoom forward or back in widesreen zoom modethis is correct for TV, once in zoom mode the remote would only move pic up or down (for subtitles etc)14-09-04
SonyBE-3D KV32WF1Uno pic or sound, PSU screamingLOPTr Q802 2SC5251 s/c14-09-04
SonyBE-3D KV32WF1Uno soundfuse PS602 N75 o/c, IC1200 TDA7264 s/c, mute transistors Q1200 2SC1740 and Q1201 DTC143TS14-09-04
SonyBE-3D KV32WF1Ustuck in stbyQ812 (872904286) s/c, D802 (871903849) s/c, LOPTx (145325711) u/s14-09-04
SonyBE3D KV32WF1NO SOUNDREPLACE IC1200, PS602, Q1200 AND Q120114-09-04
SonyBE3D KV32WF1UDEAD WITH POWER SUPPLY SCREAMINGREPLACE LINE O/P TRANSISTOR Q80214-09-04
SonyBE3D KV32WF1USerrated line at top & bottom of screenFit improved line driver trfmr pt no 1-437-090-3114-09-04
Thomson28WF45ENo B No B-Y signal. IV100 TDA9178 U/S.14-09-04
ThomsonICC17 28WF25UDead with all volts appearing at psu o/p at 1/2 normal value briefly at sw onThe 39v I/p to TP21 chopper Tr in st/by psu low at 11 v - DP21 39v zener leaky14-09-04
ThomsonICC17 28WF25UInt reverts to st/by with red LED flashingMay run again for a while when sw back on - leakage in focus spark gap. Fit new crt base pt no 8029880014-09-04
page: 1
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : BOSE 321 main pcb layout sheet 3of5

script execution: 0.11 s