Sharp pc-2500 Service Manual Download Page 1 | Manualshive

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Summary of Contents for pc-2500

Page 1: ... and pi Editing functions Vertical cursor control Insertion Deletion Backspace Line scroll t Software o Sharp business software o Table calculation o Graph creation Bar graph broken line graph band graph circular graph o Telephone book Memory protection Battery backup The contents of program data and reserve areasare retained during power off o Model PC 2500 o Calculation range 10 digits mantessa ...

Page 2: ...15 pin connector for connection with external device Output signal level CMOS level 4 6 volts Interfacing signals Input RD CS CD Output SD RS RR ER Others SG FG VC Auto power off About 14 5 minutes Power consumption 6V DC 6W Power supply Internal rechargeable battery charge source 1 OOVAC 50 60Hz with the AC adaptor EA 150 in use Rechargeable battery operating time About 100 hours o Continuous dis...

Page 3: ...Q x o 0 Q 0 0 Q Q i Q I i t 0 z e CJ t i C J 00 T 0 ec WW I 0 0 0 0 0 o O u I Cf I oo w 00 Jo Cf Q i i i Q o i Q Q i Q Hi Q I J J o 1 El i oro 0 w i o X i Cf 0 0 i 00 w C J i lt i i Q 0 0 x I I i Q i loo I i Q 0 xo it Q 0 i C J Q x z 0 I s l r I 0 v 0 i Ol 0 i L I c r 0 u Q IE w J u Cfl X w 0 I x o i 0 uo r z o Cf Q 0 0 Q u 0 0 I e e Q e I 4o 1 u I J 1 x u I 0 0 Cf z fl CJ I C J ooo cc C Q I Q x C...

Page 4: ... option EAR jack 9 KON In ON BRK key input Normally pulled down to low level 10 XOUT Out Output to the data recorder option MIC jack and the buzzer 11 DIS Out LCD driver Control signal 12 HA Out LCD driver clock Low during standby 2KHz pulse generated when the dis play is operating 13 IA8 In Out Key and RAM card slot lock switch input Low during standby Pulse generated when a key is depressed 14 I...

Page 5: ...22 Power off CPU at standby Display on Display off DIS The LCD operates in 1 16 duty Timing chart 80 pin Read Write S63 S63 S62 S62 Display RAM DISP DRIVER 64 byte 00 3F 64 byte 40 F 64 byte 80 B F M M SC 43537 gN mmmmmmmmmmmmmwmmwmmm mmm co B VB S1 S2 Q I 0 c Q E CJ Q Cf Oss1 QSs2 ho h 1 h 2 h J h h I Vors VA s u J C Q O O CE R W CONTROL 01 8 Latch clock AL GND VGG DIS HA j 4 2 Display chip SC435...

Page 6: ...dFFOFFOFFON ON ON ON ON ON ON ON OFF All digits off VDJ S VBL Segment waveform VBH Back plate H1 waveform VMH Segment output waveform Hl H2 H3 H4 H5 H6 H7 HS H9 H10Hl1H12H13Hl4 H1 H2 H3 H4 H5 GND VAH hl TRl h2 TR2 h3 TR3 h4 TR4 h5 TR5 HA DIS RES Counter unit and segment waveforms PC 2500 ...

Page 7: ...2 R W Dl I I I r I I i I I I I I I I I I I I I I I r I I I I I I I I I I I I I I I I I r I I I I I I Data latch I I I r I I I I I I I I I I I I I r I I I I Address decoder I I r I I I I I ___ I I I I I I I r I I I I DO 1 BOS AS A9 AlO All A12 A13 A14 FOl I 4 3 Gate array SC61J216F This LSI contains the RAM ROM and DISP chip select signal decoder circuits and key strobe generating circuit ...

Page 8: ...a input from the CPU 12 D15 Out Busy signal Serial busy signal to the CPU 13 R40 NU R43 R50 R51 20 R52 NU 21 RST Reset pin Reset with a high state of signal Normally pulled down to a low state 22 GND GND 23 OSCl In Oscillator circuit input 24 OSC2 Out Oscillator circuit output 25 HLT In 26 TEST GND 27 vcc GND 28 ROO Out GND 29 ROl Out GND 30 R02 In X Y motor drive frequency select pin High 365 pps...

Page 9: ... goes into the halt state arrival of a wake up pulse will be disregard in this period NOTE 2 IOms TYP is dependent on the factor of the C R network Condition required for the LSI to operate normally is 4msec minimum NOTE 3 A wait time until it goes into the halt state after completion of data processing with no more data to receive Wake up disregard period NOTE 1 20msec Halt reset start of operati...

Page 10: ...drive motor c While 9 YC paper feeding direction B Blue 10 YB oo A Yellow 11 YA D Red 12 ZD 00 Z axis drive motor White 13 zc uv pen up down and color c change B Blue 14 ZB 00 A Yellow 15 ZA uv PC 2500 VGG 5 l IH IF03 DATA 36 35 INTO Rl 3 26 I BB TEST BUSY 27 1 IH VCC 38 NU D2 R20 32 39 Rl 0 R21 33 40 NU Rl 1 R22 Ci 23 41 TC R23 24 42 R30 R31 CD PCU R32 1 OOP 1 OOP R33 PACL 1 1 1 HJ DB I __ DLG300...

Page 11: ...s to reduce power consumption However if the current is shut off with a normal pulse width b it may cause a disturbance be cause mechanical vibration still continues In order to prevent it there is a need of applying the current for a period of the hold time tMH which shall be three times the motor clock Since tc is 2 74 tMH shall be more than 8 22ms The upper limit of tMH must be 20ms to prevent ...

Page 12: ... 12 Japan Only 7 PARTS SIGNALS POSITION DIAGRAM KEY P W B KEY TOP SIDE ...

Page 13: ... 13 p SIDE PC 2500 ...

Page 14: ... 14 JAPAN Short Open EX Open Short EX JAPAN 6 5 1 4 1 5 P S Pll QiSLOT PW 8 KEY P S P W B LSI SIDE PC 2500 ...

Page 15: ...en EX Open Short 16 J 5 l 4 P S PWB i9 iSLOT PWB Nl N9 NS Chip Tr Di Chip Capacitor C2412 2SC2412S 100PF A2 El 1000PF A3 A 1037 2SA1037S 0 01µF A4 Key PWB P202 DAP202 wA 0 1µF AS N202 DAN202 A 0 033 µf N4 0 022 µF J4 N3 ...

Page 16: ...z o oc oc to Printer Cl 0 o CD 0 0 o CD 0 o CD z o x x x x z N N N N u w oc oc r in M 0 0 0 0 CD c i z 0 0 oc oc 1 BLACK CN6 i o 0 q I I _ _ J w MN o r n MN o uo OCCOCCOOo OC ocOC OC u 1 0 1 Z 1 fr_o_m k e y P W B I I I I BUZZER 9 SLOT P S P W B ...

Page 17: ...RD SD I CS RS I I SG NC I NC CD I RR Vee II vc NC I NC ER SIO I I 11 o 0 o to Key PWB CN4 CONTRAST I o a 3 I ADAPTOR EIDREM I 3 2 Q c _ EAR N N o 0 PC 2500 _ J Jo G I I p t I I I en I I 1 I I w I I I I a I I I 1 A J µF 50V ...

Page 18: ... 18 10 LCD P W B PC 2500 ...

Page 19: ...CN9 19 ...

Page 20: ...l fw NO CHA E R EA 1SO Japan Onl SC 6132 5 b FPS 44 ce Japan H ROM 2 TC SOHOOllj r Ai ar v s 1r T i SC 61860A14 SC 61325 6 FPS 43 1rop r RESET o on I CPU t_ 10TTAMTLctif HHfil x a ROM v SC 3537 SC 3537 SC 43537 SC 3537 D sp 4 DlSP 3 DISP 2 o s p 1 Sm 1so L 561 110 5211 HO 31 60 S1M 210 S1 3o S11i 1to LF 7136E LCD 11 CIRCUIT DIAGRAM ...

Page 21: ... 21 _J Uk I I Ct4U C APS C l 021 R l H Japan Only DLG 3001 E pc u l ACL REM SC 61J 216F MIC GATE ARRAY EAR PC 2500 ...

Page 22: ..._OF 10 o o EJ I 47 I ITT LC J O_O l 70 68 67 66 I L _ A I I I q5 I 50 I I I I I I I I I l 62 I _ _ l I u A a h l A l I L 1 I Japa n oN BRK o l1B11K 0N1e11K 0N1e11K I I ON BRK ON BRK ON BRK ON BRK ON BRK I I I m PEN 1 cL11 I I D F P N MCOLDRE l j I I DEF I MODE 7 0ftJ C CW BRK f l I EJ C E f I I _ _ i 1 E J o ITJ ITJ m wm E3 QEJ qJJ Lru l I 71 lW EJ DEJ EJ EJ EJ EJ EJw llJ D D D EJ 65 I I 1 lQ DDEJ...

Page 23: ... 23 Note Th e slot PWB the p S p unit will be WB in supply in a pa i r with 7 5 ...

Page 24: ...BP MC N E Power sunolv PWB unit 7 Y y i 1 f 37 QCNCW1327CC03 AC DC B Connector 3pin with wire 01 f 7J 38 QCNCW1376CC01 AC DC B Connector 2pin with wire 1 7J 39 JKNBZ1962CCZZ AA DA N c RAM card knob RAM J r 3 7 J 7 40 DUNT 8323CCZZ AN EH N E Slider unit 7 717 i yf 41 MSPRC1299CCZZ AA DA N c Soring z7 i 7 42 XUBSD26Pl2000 AA DA c Screw 2 6x12 7 43 QLUGE1004CCZZ AA DA c Terminal 7 7 J 44 QCNW 1318CCZ...

Page 25: ...AC DC N c Capacitor 16WV 220ufl J T tj 18 RfiLN1008CCZZ AH DX c Filter ESD H 14Bl 7 11v 19 RRLYZ2400QCZZ AP EN B Relay 1 20 RVR MB512QCZZ AD OF B Variable resistor r IJ L 21 RVR Z2400QCZZ AF ON B Variable resistor 20Knl r IJ i 22 VCTYPU1EX103M AB DB c Capacitor 25WV 0 01 uF J T tj 23 VCTYPU1EX472M AA DB c Capacitor 25WV 4700PFl J 7 tj 24 VHDDS1588L2 l AB DB B Diode OS 588L2l 1 1 t l 25 VHD1SS98 1 ...

Page 26: ...inz cushion for set t 1 r 37 17 F 12 SPAKA063ACCZZ AE DK N D Packinz cushion for accessories 7 7 3 7 7 F 13 SPAKC288ACCZZ AN EH N D Packing case Jaoanl 7 7 7 SPAKC070ACCZZ AN EH N D Packing case IExoortl 1f i 7 7 7 14 SPAKA146ACCZZ AB DC N D Packing cushion J C 3 7r T 15 SPAKA158ACCZZ AB DC N D Packing cushion 7 11 9 7 F 16 SPAKA159ACCZZ AF DK N D Packing cushion SET t i 7 r 17 SPAKA194ACCZZ AA DA...

Page 27: ...C DD N c TLABH2188CCZZ 1 62 AC DD N c TLABZ2133CCZZ 1 60 AB DC N c TLABZ2189CCZZ 1 60 AB DB N c TLSTS1006CCZZ 5 5 DA D TPAPR1041CCZZ 5 9 zz s PARTS CODE NO PRICE R NEW P R Ex Ja cl CADPA1013CC01 5 1 BG HJ c CCOVA1414CC01 1 1 AG DR N D CCOVA1414CC02 1 1 AQ ET N D D DUNT 6451CC03 5 1 BD z z c DUNT 6452CC03 5 1 BE HB c DUNT 6453CC03 5 1 BF HD c DUNT 6454CC03 5 1 BF HD c DUNT 6455CC03 5 1 BD GU c DUNT...

Page 28: ...J 2 39 AA DA c VRD ST2EY473J 2 40 AA DA c VRD ST2EY474J 2 41 AA DA c VRD ST2EY563J 2 42 AA DA c VRD ST2EY681J 2 43 AA DA c VRD ST2EY682J 2 44 AA DB c VRD ST2HY220J 2 45 AB DB c VRD ST2HY270J 2 46 AB DB c VRS TP2BD102J 4 25 AA DA c VRS TP2BD103J 4 26 AA DA c VRS TP2BD104J 4 27 AA DA c VRS TP2BD105J 4 28 AA DA c VRS TP2BD182J 4 29 AA DA c VRS TP2BD223J 4 30 AA DA c VRS TP2BD303J 4 31 AA DA c VRS TP2...

Page 29: ...SHARP CORPORATION Information SystemsGroup Quality Reliability Control Center Yamatokoriyama Nara 639 11 Japan 1 985 August Printed in Japan SHARP PC 2500 ...

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