ACR Y RECEIVED TCASII RA TO CONFLICT WITH SMT X. EVASIVE ACTION TAKEN. SEE AND AVOID CONCEPT.

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SMT X WAS PROCEEDING SBOUND ON V334 FROM SAC TO RHV VIA SUNOL INTXN. I WAS UNDER BAY APCH IN VMC AT 6000 FT. NO VISIBLE HOLES APPEARED BY SUNOL INTXN. LOOKING FOR A BREAK IN THE OVCST; I PROCEEDED ON THE V334 COURSE UNTIL I WAS ADVISED TO TURN TO A 120 DEG HDG (121.3 MHZ). UPON MAKING THE HDG CHANGE TO 120; LORAN INDICATED BOTH TCA AND ARSA PENETRATION. DME SJC 045/4.3 NM. ACTUAL PLOT ON SFO VFR TERMINAL AREA CHART SHOWS HORIZ MISS OF TCA BY 2 NM; ACTUAL TURN POINT AT HIGHWAY 680 IN AREA OUTSIDE ARSA (SJC). PROCEEDING ON HDG 120 TO 17.5 DME FROM SJC VOR; I TURNED TO HDG 150 TO HOLLISTER AT 7000 FT. BAY APCH ISSUED CLRNC TO ACR Y FOR DSCNT TO 6000 BY GILRO; CLRED FOR THE APCH. I CROSSED THE LOC AT 7000 FT 20 DME SJC VOR. I OBSERVED ACR Y DSND; THEN PITCH UP APPLYING PWR. ACR Y CONTACTED BAY APCH STATING HIS TCASII WENT OFF WITH A PITCH UP COMMAND. AT THIS TIME I ESTIMATED HIM TO BE APPROX 3 NM FROM MY POS WITH MY ACFT PASSING TO HIS L. HE WAS THEN ADVISED OF MY POS AND THAT ATC HAD NO CONFLICT ALERT. ACR Y INDICATED THAT I MUST BE 'DOWN IN IT' BECAUSE THEY DIDN'T SEE ME. I THEN CALLED APCH AND ADVISED THAT I WAS STILL LEVEL AT 7000 FT ON 150 DEG HDG VMC ON TOP AND THAT I HAD OBSERVED THE ENTIRE SEQUENCE OF ACR Y. ACR Y PROCEEDED WITH HIS APCH. BAY ASKED ME IF I WANTED TO GO TO MONTEREY WHERE IT WAS RPTED TO BE VMC. I DECLINED AND REQUESTED THE APCH TO SJC WHICH WAS QUICKLY GIVEN. DURING MY APCH I HEARD BAY HDOF ACR Y TO TWR WITH A RECOMMENDATION THAT THE TCASII BE CHKED.