Sharp ER-A450T Service Manual - Page 52
Key I/fmain Pwb
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8 7 6 KEY I/F(MAIN PWB) 8-4B D ST[0..9] 8-4B KR10 C 8-8B 8-4B /RES0 KR11 B ST0 ST1 ST2 R324 ST3 47K ST4 ST5 ST6 ST7 /RES0 KR11 CN17 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 MODE_SW_11P 5 4 CN18 KR10 5 KR10 D24 ST0 CL1 4 CL1 D25 ST1 CL2 3 CL2 D26 ST2 CL3 2 CL3 D27 ST3 CL4 1 CL4 1SS353X4 CLERK_CN ST6 KR10 D12 1SS353 OFF MRS SW SW1 123 ON KR0 KR1 KR2 8-5C KR3 8-8C KR4 8-7A KR5 KR6 KR7 KEY BOARD 57 58 59 60 61 62 63 64 65 66 67 68 R J 3 4 5 6 7 8 9 10 11 12 13 14 A 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 8 7 6 5 4 3 2 1 9/12 KEYBOARD D D13 CN19 ST4 ST4A 1 1 KEY74 D14 ST5 ST5A 2 2 D15 ST0 ST0A 3 3 51 50 36 23 9 22 8 37 D16 ST1 ST1A 4 4 49 48 34 21 20 7 5 35 D17 ST2 ST2A 5 5 47 46 32 19 18 6 4 33 D18 ST3 ST3A 6 6 45 44 30 17 16 NC 3 NC D19 ST4 ST4A 7 7 43 29 31 NC NC NC NC 15 D20 ST5 ST5A 8 8 39 38 53 11 10 64 57 25 C D21 ST6 ST6A 9 9 54 40 52 26 12 65 63 24 D22 ST7 ST7A 10 10 55 41 28 14 13 66 59 61 D23 ST8 ST8A 11 11 56 42 27 68 67 60 58 62 1SS353X11 KEY_CN CN20 KEY_CN_9P 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 R326 R328 R325 R327 R329 R330 R331 R332 R333 47KX9 B K K K K K K K K K R R R R R R R R R 0 1 2 3 4 5 6 7 1 0 A 3 2 1