Translate this page:

Sziasztok! Valamely sony hifihez tartozó SUB ládába megszakadt a hangszóró. SS WG-990 a hangfal típusa. Sajnos egy nap alatt sem sikerült szétszedni. Ha valakinek volt már dolga ilyennel megköszönném a segítséget. (A HiFi típusa azt hiszem HCV RG-440)

Hi to all, I am looking many days for schematics for the LAX MA7200 audio amplifier. I think it is made in far east and is copy of other model, probably a QSE brand. Similar to this-or made from the same factory-is the ODY-PRO 7200, which has a board with a printed label "XILICA" which is a Canadian company. Any of the schematics is great help for me, as I have to service more than 20 units. In case you met any of them please inform. Thanks for your time for reading

Sziasztok! Szeretnék segítséget kérni, hogy van-e esetleg megoldás, a kód feloldásához, az eeprom tartalom módosítása nélkül? előre is köszönöm: Zsolti

Hi everyone

Could somebody tell me if I can replace a switching diode to another one, the one installed in the onkyo is a 1SS252 and is 10 times more expensive that a 1SS355.

Usually I order the same but they are pricey (around 10.00 usd for a 100) and not commonly used, not many sellers.
For the 1ss355 every seller on line has it in stock and it's around 1 to 2 usd for a 100.
Ans they are available locally, not in china waiting 5 weeks for the part.
Thank you.


1SS352
Characteristic Symbol Rating Unit
Maximum (peak) reverse voltage VRM 85 V
Reverse voltage VR 80 V
Maximum (peak) forward current IFM 200 mA
Average forward current IO 100 mA
Surge current (10ms) IFSM 1 A
Power dissipation P 200 (*) mW
Junction temperature Tj 125 °C
Storage temperature Tstg −55~125 °C

1SS355

Characteristic Symbol Rating Unit
Maximum (peak) reverse voltage VRM 90 V
Reverse voltage VR 80 V
Maximum (peak) forward current IFM 225 mA
Average forward current IO 100 mA
Surge current (1s) IFSM 500 mA
Junction temperature Tj 150 °C
Storage temperature Tstg −55~150 °C