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: 24
Matsui14R1Int stays in st/byTR800 BC847 sm between jungle chip & Tr301 leaky/o/c14-09-04
Matsui14R1No sound or pictureCheck D30114-09-04

Matsui14R1One of these small portables produced a green screReplacing TR9Ol restored the picture.14-09-04
Matsui14R1 G1000Bright white raster - sound okR315 100R fusible o/c14-09-04
Matsui14R1 G1000Colour peculiarNo supply to CCD delay line chip IC801 - R831 47R o/c & C834 10nF s/c14-09-04
Matsui14R1 G1000Dead - no Led, but PSU seems okNo start up signal from micro;Tr540 BC847 leaky14-09-04
Matsui14R1 G1000Dead or pulses few times 1st with 300v across C104C106 100µ low in value or IC100 s/c14-09-04
Matsui14R1 G1000Dead - psu okR314 6k8 o/c - removes supply to line driver14-09-04
Matsui14R1 G1000Dead - s/c in LOP stageD301 s/c14-09-04
Matsui14R1 G1000Entering Service ModeHold down P+ & P- on set whilst sw on TV. To select adj pres V+ & V- at front of set togethr or "Menu" on handset. To carry out adj Press P+ & P-. To leave service menu press V+ or V- or "TV" on hset.14-09-04
Matsui14R1 G1000Flyback lines at top of picC201 220µ14-09-04
Matsui14R1 G1000Green screen at sw onCheck Tr901 & Tr904 on crt base14-09-04
Matsui14R1 G1000Green, red or blue backgroundC821, C824 & C825 0µ1sm on print side of main pcb leaky - remove, clean & refit or replace14-09-04
Matsui14R1 G1000Int pic & odd col effects17.7Mhz Xtal connected to pin 33 micro dry jointed or faulty14-09-04
Matsui14R1 G1000Line at twice normal freqCheck I?Cbus line for low res to chassis - can be caused by micro or txt chip14-09-04
Matsui14R1 G1000Loss of one colTr801/2/3 BC847 sm leaky on main pcb - also check R903/8/13 330R emitter bias resistors & Tr904 etc BF423 on crt base14-09-04
Matsui14R1 G1000Mains fuse blows intDegaussing therm R10014-09-04
Matsui14R1 G1000Micro won't initialiseCorrosion on front tactile switches14-09-04
Matsui14R1 G1000No pic - Txt okC840 0µ1 connected to pin 2 IC800 leaky14-09-04
Matsui14R1 G1000Noise on sound at min vol settingIC400 if chip faulty - increase R556 in audio I/p coupling cct to combat it 14-09-04
Matsui14R1 G1000PSU pulsingR113 or R114 o/c or LOPTx14-09-04
Matsui14R1 G1000Sound missingNo LT supply to audio o/p chip - R550 fusible 4R7 feed res o/c14-09-04

Matsui14R1 G1000St/by onlyCheck D108 2v4 zener sm for o/c; often happens after failure of Tr10014-09-04
Matsui14R1 G1000Txt inoperative or int/frozenTr653 BC847 leaky, XT650 13.875Mhz Xtal dry joints14-09-04
page: 1
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : hp lj5200

script execution: 0.12 s