28JIHGFEDCBA1234567891011121314EQ504SGDQ505GSDR500R501L550L553L554L555R517CN507CN508CN509R527CN510CN511R531R533R534R535R537C500C501C502C50315SW2K1GNDPTTSW1R540R541R542R543R544R545R546R547R552C518C522C523R560C524R561C525R562R563C527R564C528R565R566R567R568R570R571C537R573R574C538R575C539C540C541C542C543C544C545C546C548C549C5501NCNCNCLCDRSAGNDMEMICPTTSPSTBCLKDATAKI1KI2NCSB2NCDGNDLCDCSLCDRST5M 20C551C553C554C555C5561NCV5VssV5outC2–C2+C1–C1+VciVDDOSC1OSC2RESETP/SRSR/WSCLSIOCSVss 20IC500110 1120IC501D522IC50214581458IC503CP501CP503CP504CP506CP507CP509++++1345J72-0921-19TK-3180 PC BOARDDISPLAY UNIT (X54-3470-XX) -10 : K,K2 -11 : K3,K4Foil side view (J72-0921-19)Ref. No. AddressIC500 8HIC501 5JIC502 7IIC503 7IQ501 8KRef. No. AddressQ502 9KQ504 7IQ505 5ID500 8KD522 7J