as-nf-718small维修电器原理图

0.HILBERINKAUDIOSONICElectronics-AcousticsP.0,BoX42176202 WB MAASTRICHTMODELNF-718The Netherlands7-WATTALL TRANSISTORSTEREOPHONICAMPLIFIERSOLID STATE CIRCUITRY,CONSISTINGAUDIO SONICOF 8 TRANSISTORS.CUSTOM MADE OILED-WALNUTCABINET ENHANCED WITH SOLIDALUMINUM KNOBS AND BRUSHEDo经4的TONIALUMINUM CONTROL PANEL.,MANUFACTURED UNDER MOST ADVANCEDENGINEERING WITH MOST WANTEDTECHNICAL SPECIFICATIONSFEATURES FOR HI-FI LISTENING PLEASUREOutput Power:3.5 watts per channelOutput Impedance:8-16 ohmsInput Level:-15 db (I kc)Input Impedance:10,000 ohmsHarmonic Distortion:less than 3%at 3 watts per channelHum Noise Level:better than-40 dbFrequency Response:50-15,000 c/s +3 dbMode Switch Function:STEREO-REVERSE-MONAURALPower Supply:220V AC 50/60 c/sTransistor:8-transistorDimension::8”width,3 height,,5,话depthAUDIO SONIC-SOLID STATE-OUTPUTINPUTR-CHL-CH6020网p@⑨R-CH-VOLUME-AC line cord6Mode switchRight channel output7Left channel volume control8Right channelvolume controlLeft channel output9Tone control4Right channel input10Power switch5Left channel input11Pilot lamp