Sharp FO-2970M Service Manual - Page 62

6 - 2 DATA1 R279 47 159 A B C Gate Array block HLON MCON PE 6 +24VS R289 R284 +5V 33K 20K R288 3.9K C289 0.1 CHK24V (1-2B) R283 33K +5V C304 680P +5V 128 131 132 DG (9-5I) R281 680 SYNC R280 1K C286 DG /HSYNC R282 20K (1-6B) 470P DG 5 (4-5I) (9-5I) LCDREQ MA +5V IC18F +5V IC18E 74HCU04 74HCU04 14 R257 14 11 10 0 13 (9-5E) (9-5E) (9-5E) (9-5E) 12 (9-5I) MB PMD APCSTT SAMP VIDEO 4 R259 1M C262 15P 7 DG 12 7 DG R258 470 X4 20.95261MHz C260 10P DG R291 1M R290 0 (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-3G) (3-2D) (3-2D) (3-2D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) (3-3D) PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 /PRAS /PCAS /PWR PA9 PA8 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 BR26 470 x 4 3 2 R268 200 1 C279 47P DG (9-1E) (9-1E) (9-1E) (9-1E) (9-2E) (9-1A) (9-1A) (9-1A) (9-1A) (9-2A) (4-5I) X5 2 35.5721237MHz L100 0.47 C290 0.01 BR17 /SEN4 470 x 4 5 4 /SEN3 6 3 /SEN2 R252 7 2 /SEN1 470 8 1 /SEN0 LD3 LD2 LD1 R261 LD0 270 RS /LCDACK0 (7-2A) (7-2A) (7-2A) (7-2A) (1-5H) (9-2E) (9-2E) (9-2E) (9-1A) /TPB 5 /TPA 6 TPB 7 TPA 8 USOUT LEDDV4 LEDDV3 LEDDV2 LEDDV1 BR16 270 x 4 5 4 6 3 7 2 8 1 4 3 2 1 5 6 7 8 135 5 139 140 133 134 136 146 R256 171 68 102 101 100 99 83 82 81 80 113 111 112 85 98 97 96 94 93 92 91 90 86 107 108 117 116 115 114 56 4 6 3 BR15 7 2 10 x 4 8 1 9 18 19 20 21 22 13 15 16 17 10 11 MA MB PMDZ APCSTT SAMP VIDEO PRTCLK PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 PRASZ PCASZ PWRZ PA9 PA8 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 PEPCKO PEPCKI TPBZ TPAZ TPB TPA USOUT LEDDV4 LEDDV3 LEDDV2 LEDDV1 SEN4Z SEN3Z SEN2Z SEN1Z SEN0Z LD3 LD2 LD1 LD0 RS 1 2 3 4 R260 41 32 12 100 BR18 10K x 4 R251 10K C248 C246 8 7 6 5 C218 DG +5V N.M. 40 129 TC/BIASON LCPD7 39 130 PUS 127 PWRLY 37 /LCRD 141 DOP 36 142 PIN 35 143 POUT 4 R305 47 144 NSTROBE 26 R318 47 145 DATA8 28 /MDMWR R304 47 148 DATA7 27 /MDMRD R317 47 149 DATA6 D 135 : SYNCZ 5 : LCDREQ 11 : LCDACKZ 30 /MDMRST R302 47 150 DATA5 29 /MDMCS R316 47 152 DATA4 LCPD3 3 R301 47 153 DATA3 89 LCPD2 R315 47 154 DATA2 34 /WE3 38 /LCWR (4-3E) LCPD5 (4-5I) LCPD6 (4-5I) CK16M (4-2E) (4-5I) 1 A R262 270 LCPD4 BZOUT LCINT (5-3C) (4-5I) (6-1H) (4-2E) E (9-2A) R263 3K DG R229 10K C247 1000P DG /MDMINT C244 1000P DG B C D (3-2A) (3-2G) (4-5I) (4-5I) (5-3C) (5-2C) (5-4C) (5-4C) (4-3E) 122 /WE2 /WE1 (3-5A) 120 (1-4B) (1-4B) (1-4B) (3-4A) (3-4A) (3-4A) /CASH /CASL /RDWR R286 33 /RASO R285 33/CASHO R287 33 /CASLO (3-4A) (3-2A) (3-2G) /OE1 /OE2 /OE3 74 75 77 124 125 123 119 121 33 GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND RASZ CASHZ CASLZ RDWRZ RASOZ CASHOZ CASLOZ OE1Z OE2Z OE3Z WE1Z WE2Z WE3Z LCPD2 LCPD3 MDMCSZ MDMRSTZ MDMRDZ MDMWRZ MDMINTZ LCPD4 BZOUT LCINT LCRDZ LCWRZ SD SDE SDCK CK16M E D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 LCPD0 EXINT1Z TEST1 RTCIO RTCCE RTCDT RTCCK B4SNS ORGSNS FRTSNS XBPSEI XBPINI XBPAF XBPOFT BPOSE BPOPE BPOBY XBPOACK BPBD0 BPBD1 BPBD2 BPBD3 BPBD4 BPBD5 BPBD6 BPBD7 XBPSTB POUTZ PINZ DOPZ PWRLY PUS TC_BIASON HLON MCON PE (4-5I) (2-1F) (2-1F) (2-1F) (2-1F) (9-1E) (9-2E) (9-2E) (9-4I) (9-4E) (9-4I) (9-4E) (9-4I) (9-4E) (9-4I) (9-4E) (9-5E) (9-5I) (9-4E) (9-4I) (9-4E) (9-4I) (9-4E) (9-4I) (9-5I) (9-5E) (9-5E) (9-5I) (9-5E) (9-5I) (9-5E) (9-5I) (9-5E) (9-5I) R277 47 161 NACK R276 47 162 BUSY R274 47 165 PERROR R273 47 166 SELECT R272 47 167 NFAULT R278 47 160 NAUTOFD RTCIO RTCCE RTCDT RTCCK /B4SNS /ORGSNS /FRTSNS NSELECTIN NINIT E F LCPD0 DG G D[15:0] (1-6I) H I 2/9 6 +5V D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 R250 470 25 R253 470 24 R254 470 23 R271 47 168 R275 47 163 172 173 174 175 176 177 178 179 181 182 183 184 185 186 187 188 109 73 IC15 LR38784A GATE ARRAY 71 72 69 68 87 95 : GND 1 : GND A21 A20 A13 A12 A11 A0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 RDZ WRHZ WRLZ CS2Z CS1Z DREQ0Z DREQ1Z DRAK0 DRAK1 DACK0Z DACK1Z SHCK INT1Z INT2Z INT3Z INT4Z INT5Z BREQ BACKZ RESETZ WDTOVFZ RESET2Z MTST LCPD1 VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC 190 191 192 193 194 206 195 196 197 198 199 201 202 203 204 205 62 63 64 65 66 47 48 45 46 43 44 50 57 58 59 60 61 78 79 110 67 55 42 88 208 207 170 158 157 138 104 103 54 53 95 1 A[21:0] (1-5I) A21 A20 A[10:1] (1-5I) A13 5 A12 A11 A0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 /RD /WRH /WRL /CS2 /CS1 /DREQ0 /DREQ1 (1-4B) (1-4B) (1-4B) (1-4B) (1-4B) (1-4A) (1-4A) SHCK /INT1 /INT2 /INT3 /INT4 /INT5 (1-3A) (1-6B) (1-6B) (1-6B) (1-6B) (1-6B) C263 100P C274 100P C264 100P DRAK0 DRAK1 /DACK0 /DACK1 C285 100P DG /BREQ /BACK (1-3A) (1-3A) (1-3A) (1-3A) (1-5A) (1-5A) 4 3 /WDTOVF /RESET2 MTP LCPD1 (1-3C) (4-3E) (4-5I) (4-5I) C278 1000P /RESET (7-5D) C287 47P DG +5V 2 C361 1000P C261 0.1 C39 0.1 C38 0.1 C40 0.1 C41 0.1 C34 0.1 2 14 31 49 51 52 70 84 105 106 118 126 137 147 151 155 156 164 169 180 189 200 76 C277 18P C276 18P C275 18P DG C249 47P DG E DG (2-6E) (2-6E) (2-6E) (2-6E) R295 +5V R294 IC16 SM8578BV X6 32.768KHz C306 10P VBAT RTCDT 10K RTCCK 10K 7 DATA 6 CLK XT 3 XTN 2 C305 10P RTCCE RTCIO 5 CE 1 INTN VCC 8 VSS 4 C291 0.1 1 R292 R293 N.M. 4.7K DG DG F G H I /RAS (1-4B) FO-2970MU