Sharp ER-A450T Service Manual - Page 45

8 7 6 5 4 3 2 1 Symbol/PartsCod CPU(HD6415108) 2/12 +5V 10K X8 R187 R188 +5V R189 +5V D[0..7] D 3-8C D0 D1 D2 R190 R191 R192 R193 R194 C93 C94 C95 C96 0.1u 0.1u 0.1u 47u16V C97 47u16V R135 100 R136 10K C92 +5V 100P /WR 3-8C D R134 D3 D4 D5 D6 D7 10K R133 +5V 100 C91 +5V /RD 3-8C +5V 100P R164 R132 4.7K R131 10K 100PX8 R165 R167 R169 R171 R166 R168 R170 R172 +5V 10K X8 +5V 10K X8 C110 C112 C114 C117 C111 C113 C115 C116 C A[0..23] 3-8B B +24V +5V 10K X8 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 C118 C119 C120 C121 C122 C123 C124 C125 100PX8 +24V R197 R195 R196 R198 R199 R200 R201 R202 C126 C127 C128 C129 C130 C131 C132 C133 100PX8 R173 R174 R175 R176 R177 R178 R179 R180 C134 C135 C136 C137 C138 C139 C140 C141 100PX8 SR? 5-6A /RESET 3-8B NMI 1 SR-1 2 3 8-4B 8-4B /SHEN ERC LDRQ FRES 4 5 6 7 8-8B BUSY_A 8 /RDY_A VCC 9 8-2B PDS 10 11 100 R139 12 100 R140 13 100 R141 14 100 R142 15 100 R143 16 100 R144 17 100 R145 18 100 R146 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 +5V 54 55 56 IC8 /RES NMI VSS D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 VSS A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 VSS A16 A17 A18 A19 A20 A21 A22 A23 VSS WAIT BACK BREQ DOPS P34 P35 P36(DR3) P37(DR4) VCC P40 STBY MD2 MD1 MD0 VCC RFSH LWR HWR RD AS E PHAI VSS XTAL EXTAL VSS TXD2 RXD2 TXD1 RXD1 SCK2 SCK1 IRQ1 IRQ0 VCC AVCC VPPS VPTEST VPR VPJ AVSS VSS HP P67 RCO P66 P65 P64 P63 P62 P61 P60 STOP P57 P56 FMRS P54 P53 P52 P51 TRGI VSS OPBS SHEN NEJ P44 P43 P42 P41 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 100 (R129) 47 FIL2 100P C90 100P /AS +5V 3-8C 10K R130 PHAI C89 47P 3-8C X4 1 2 19.66MHz 3 D28 1SS353 R159 TM 7-8A 16K"F" Vrf 7-1D R160 3.6K"F" +5V +5V +5V R126 4.7K R127 1K R128 1K TXD2 RXD2 TXD RXD SCK2 /IRQ1 /IRQ0 +5V 6-4B +5V +5V +5V +5V +5V FVHS R149 R123 R124 R125 D8 4.7KX4 1SS353 3-8B 10-7C 10-7C 3-8B 6-2C 3-8B R148 16K"F" R147 3.6K"F" C100 C +24V /RI /RSS /CDS /CSS /DRS /ERS +5V NU 10-7C +5V +5V R137 10K R138 10K /PRST 3-4A /PTMG 3-4A R153 10K R152 10K C107 1000P R151 10K R203 0ohm R150 0ohm B CN12 2 1 NER CN 3-3B /WAIT 7-6C /BACK CPU(HD6415108) C98 C99 +5V +5V UL CSA F3 T400mAL /250V C106 100U/35V COM 7-7A C103 /BREQ +5V R122 10K C88 C104 100P /FRES R181 100 FRES C102 IC9 0.1U 100P C142 CN11 C109 C101 0.1U 9 1 0.1U 0.1U 16 8 1000P DS 1 /DRAW1 2 3 +24V A DR CN 2 3 7 6 15 14 10 11 4 12 5 13 /DR0 /DR1 R182 100 4-4C BUSY BUSY_A +5V C143 1000P 330p +5V R184 10K C145 330P +5V 330p R154 10K C108 1000P R155 10K R158 0ohm R156 10K R157 0ohm CN13 2 1 NEJ CN A CN10 DS 1 /DRAW0 2 +24V 3 TD62308F R161 22K R162 4.7K R163 47K C105 1000P 4-4C /RDY R183 100 C144 1000P /RDY_A R186 10K C147 330P R185 10K C146 330P NOTE R150,153,155,157 : ERA450 ONLY R151,156,158,203 : ERA455 ONLY DR CN C50 8 7 6 5 4 3 2 1