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Keyboard — Figuring out the missing technical documentation of the beloved PC110 | Open App Note

Open-Source-PC110

ahmadexp

Figuring out the missing technical documentation of the beloved PC110

Components (267)

Reference	Value	Description
Q1,Q31,Q39,Q42	6D
Q2,Q5,Q6,Q10,Q11,Q18-Q22,Q24,Q28,Q46,Q49,Q50,Q53,Q56,Q59,Q62,Q82	8C
Q3,Q12,Q23,Q25	IS6
Q4,Q17	7C
Q7-Q9,Q14,Q16,Q30,Q43	8B
Q13,Q26	YQ
Q15,Q54,Q58,Q64,Q75,Q76	8LR
Q27

Open-Source-PC110 schematic

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Open-Source-PC110 board

C1,C13,C16,C18,C19,C30,C33,C42,C59,C90,C95,C97,C98,C104,C108,C109,C111,C134,C136,C146-C149,C154,C161-C165,C175,C182,C195,C200,C208,C211,C226,C227,C231-C234,C237,C238,C244,C247,C252,C257,C267,C271,C282,C367,C404	100nF

C2,C11,C14,C17,C21,C27,C32,C34,C35,C38,C41,C45,C48,C77-C79,C82,C84-C87,C99,C113,C121,C122,C125,C129,C135,C137,C142,C150-C153,C155,C156,C159,C160,C181,C190,C202,C204,C205,C207,C209,C224,C225,C228,C239-C241,C246,C250,C255,C266,C268-C270,C273,C300,C380,C381,C385,C386,C390,C406,C413,C416,C420,C422	150nF

C4-C6,C170,C186,C189,C191-C193,C196,C219,C245,C278,C317,C320-C326,D1,D39,D41,D46,D50,D64,D67,DA1,DA2,Q32,R6,R16,R35,R36,R50,R159,R244,R247,R310,R311,R313-R315,R317,R319-R321,R327,R338,R341,R343,R350,R351,R354,R355,R359,R368,R371,R425,R427,R430,R433,R436,R439,R444,R447,R465,R469,R470,R472-R474,R476,R480,R482,R485,R487,R489,R493,R495,R523,R537,R584,R591,R620,R621,R638,R646,RA6,RA7,U78	DNP	External clock input for Audio Drive

R13,R23,R59-R74,R91,R93,R99,R101-R103,R110,R111,R118,R121,R122,R127,R135,R138,R141,R158,R161,R163-R165,R167,R168,R170,R173,R177,R178,R189,R220,R250-R252,R254,R272,R273,R290,R291,R299-R302,R304,R308,R328,R340,R342,R345,R348,R378-R380,R382-R386,R403,R405,R407-R412,R414,R415,R420-R424,R484,R497,R514,R517,R555,R558,R562,R566,R587,R629,R634,RA3,RA10,RA11	470k

R14,R52-R55,R201,R204,R280,R285,R295-R297,R303,R305,R322-R324,R339,R346,R347,R349,R353,R375-R377,R387-R394,R413,R419,R426,R428,R431,R434,R437,R440,R445,R448,R455,R466,R468,R475,R477,R481,R483,R486,R488,R490,R494,R496,R567-R581,R602-R617,R632,R640,R641	0

R15,R112,R150,R154,R157,R160,R181,R231-R233,R242,R243,R245,R246,R248,R249,R256-R261,R263,R265-R267,R269,R271,R281,R284,R286-R288,R294,R307,R344,R358,R369,R370,R400,R406,R416-R418,R498,R499,R508,R521,R522,R524-R527,R540-R542,R545,R557,R561,R564,R590,R600,R624,RA1,RA5	10k

R20,R22,R28,R33,R34,R37,R51,R90,R94-R98,R113,R137,R139,R171,R176,R188,R195,R199,R200,R214-R218,R238,R241,R275,R289,R293,R309,R312,R316,R361-R364,R367,R506,R519,R520,R533,R548,R549,R552,R588,R592,R627,R642	100k