GA PLT; UNFAMILIAR WITH PNS ARPT; INADVERTENTLY CROSSES RWY HOLD SHORT LINE AND ADVISES TWR.

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PARKED AT FBO; I RECEIVED A CLRNC AND CONTACTED GND FOR TAXI. I WAS CLRED TO TAXI TO RWY 17 FOR AN INTXN B DEP VIA TXWY C. NOT BEING FAMILIAR WITH THE ARPT; I CONSULTED THE ARPT DIAGRAM AND PROCEEDED ALONG TXWY C TO INTXN B EXPECTING A TXWY ON MY SIDE (E) OF RWY 17. I HAD READ THE DIAGRAM WRONG (THE TXWY WAS ON THE W SIDE OF RWY 17). BY THE TIME I REALIZED THAT; WHAT I HAD EXPECTED TO BE A TXWY; WAS IN FACT THE RWY. I HAD GONE BEYOND THE HOLD SHORT LINE. I DID NOT GO ONTO THE RWY. I STOPPED IMMEDIATELY AND CONTACTED GND. IN ATTEMPTING TO CONTACT GND; I REALIZED I HAD MISTAKENLY SWITCHED THE RADIO TO APCH. I SWITCHED TO GND FREQ AND WAS INSTRUCTED TO RETURN TO THE FBO AND CONTACT THE TWR FOR A POSSIBLE PLTDEV. CONTRIBUTING FACTORS: 1) PLT ERROR IN PLACING THE ARPT DIAGRAM UPSIDE DOWN. 2) PLT ERROR IN SWITCHING FROM GND TO APCH. A CONTRIBUTING FACTOR WAS USING NEW EQUIP IN A NEW AIRPLANE. HARD TO BREAK OLD HABITS. LACK OF VARIED EXPERIENCE IN DIFFERENT ACFT. 3) BECAUSE OF THE TERRAIN; IT WAS NOT POSSIBLE TO DISTINGUISH THE RWY FROM THE TXWY WHILE TAXIING. 4) LONGER THAN NORMAL WAIT FOR CLRNC (5-10 MINS) IN 130 DEG COCKPIT RESULTING IN WANTING TO GET OFF THE GND AS SOON AS POSSIBLE. CORRECTIVE ACTIONS: THERE IS NO SUBSTITUTE FOR THE PLT TO 'GET IT RIGHT' REGARDLESS OF THE SIT OR CONDITIONS. I HAVE WELL OVER 1000 GND OPS AT CTLED FIELDS WITHOUT A MISTAKE. THAT SHOULD MAKE ME MORE VIGILANT; NOT LESS. CTLRS AND PLTS CAN AND DO HELP EACH OTHER AND EACH IS RESPONSIBLE FOR THEIR OWN ACTIONS; BUT THE PLT IS ULTIMATELY RESPONSIBLE FOR A SAFE FLT.