datasheet,schematic,electronic components, service manual,repairs,tv,monitor,service menu,pcb design
Schematics 4 Free
Service manuals, schematics, documentation, programs, electronics, hobby ....
(welcome to eserviceinfo.com at 17 Jul 01:22 pm GMT)

[news] Check out the Pinout Forum [/news]
Login:
Pass:

[register] [send pass]
Bulgarian - schematics repairs service manuals English - schematics repairs service manuals Russian - schematics repairs service manualsSearchBrowseUploadMostWanted
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: 28



JVCAV28F1EGFlyback lines at top of picDry joints FOP chip14-09-2004
JVCAV28F1EGInt line sync/ col/pic break up from coldBlanket solder signals board14-09-2004
JVCAV28F1EKINT LOSS OF SOUND AND PICTUREAGC PRESET INT OC14-09-2004
JVCAV28F1EKNO NICAM LEDD102 DRY ( GREEN LED )14-09-2004
JVCAV28F1EKNO SOUNDICP ON AUDIO SUB - PCB ( CHECK 12V ON R911 )14-09-2004
JVCAV28F1EKPic/sound int disappears to blank rasterAGC preset dry jointed14-09-2004
JVCAV28F1EK JXInt reverts to st/bycheck for dry joints on regs IC521/52214-09-2004
JVCAV28GS1EKElectronic screwdrivervsm >-< and the display button (the one above the menu botton left of the mute button) brought up the electronic screwdriver for height and vert posn14-09-2004
JVCAV28S1EKHour Glass effectReplace both memory chips14-09-2004
JVCAV28S1EK AV25S1EK MX2St/by light changes col but no line driveNo supply to line dr tfmr as R903 2k2 hi res (switches st/by tr Q902)14-09-2004
JVCAV28S1EK AV25S1EK MX2Width & E-W faultyReplaced memory chip for electronic screwdriver - 24C01A/P IC170714-09-2004
JVCAV28S4EKField collapsechange micro MN15245. Waveform on pin 25 too low amplitude14-09-2004
JVCAV28SD4EKBrief burst of power then deadLOPTx14-09-2004
JVCAV28SD4EKDead, R526 burnt out C468/469 explodedReplaced D521 BY228, D523 BYW95B R526, 39R D525 27v zener .14-09-2004
JVCAV28SD4EKService mode enteringpress "DISPLAY" and "VSN Standard" together & note settings While still in the service mode, press "Display" and "VSN Standard" again to enter the system constants menu. Now write down all the settings in the system constants menu. Press EXIT twice to return to the normal screen. Switch the set off and replace the EEPROMs with a new ones. Then go back to the service/system menu and enter all the data what you have written down. After all the items have been set, press "OK" to store.zbv14-09-2004
JVCAV28SD4EKShuts down aft few secsEEPROM faulty14-09-2004
JVCAV28SD4EK MXIVNo sound and all programs show the same channelCheck the data lines on pins 14 and 13 of the connector CNO13 on the sound subboard. If they are low, disconnect the lines one by one from all the chips until the correct level is restored (about 4 V p-p). Also check IC001 5V regulator for DJs, as this could be the culprit. In this case all 3 chips on the sound board had leaky data line inputs:14-09-2004
JVCAV28WFR1EK JKNarrow raster then turns offC521 Flyback tunning cap o/c Can also cause failure of Q543 D521 Q521 Q545 Q544 14-09-2004
JVCAV28WFR1EK JKWidth reduced & int tripC521 3.5nF 1.5kv line tuning cap - JVC replacement better quality14-09-2004
JVCAV28WFT1EKSReverts to st/by aft pic appears with lack of width at sw onC521 2nF 1.5kv tuning cap breakdown - pt no QFZ0196-20214-09-2004
page: 1 2 
 Links -  Info / Contacts -  Forum -   Last SM download : Daiwa PS-304

script execution: 0.06 s