Sharp PC-1350, Service Manual

Page 1: ...utine 10 stages FOR NEXT 5 stages Function 16stages Data 8 stages Fundamental Four math rules Functions Trigonometric reverse trigono metric logarithm exponential angular transformation power rising square root integer abso lute value signum function circular constant Horizontal cursor control 4 Insertion INS Deletion DEL Line up and down I l t SHARP CORPORATION Editing functions Basic calculator ...

Page 2: ... card 2 0 03 watts 182 W x 72 D x 16 H mm 190 grams including batteries Hard cover 2 templates 2 lithium batteries contained in the unit instruction manual name label Example CE 124 Cassette Interface CE 152 CE 126P Printer Cassette Interface CE 201 M 8 KB RAM card CE 202M 16 KB RAM card 2 SYSTEM CONFIGURATION Options 0 to 40 C 6VDC CR2032 lithium battery x 2 About 250 hours when 5 dis played cont...

Page 3: ...SP 4 DISP KEY port OISP 4 image DISP 5 DISP 5 image Not used 32 KB KEY port ROM OOOOH 5 RAM map PC 1350 3 NOTE To replace the battery for the RAM card If the RAM card is replaced while it is installed in the PC 1350 replacement can be done without destructing the program data ti How to judge the life of the battery PC 1350 Needs replacement when the terminal voltage drops below 5 2 volts 2 6 volts...

Page 4: ...ed depending on the case If the program has not been destroyed it enables you to execute the program after removing the RAM card This program is assumed not existing so that it makes the program started to write and when it reaches the area it makes the program destroyed Also the area where array variables and simple variables are stored is reached it makes the program destroyed As the PC 1350 pro...

Page 5: ...ven order keys are pressedin the given order At judge 2 is checked if OJ key has Display 4 I ENTER I been pressed RUN PRO 1 T SML SHIFT DEF Display 3 See Table 2 111 1111 J ill ffir IJ l HNJ 1 j At judge 1 is checked if Key operation Display Remark CALL UOO IENTER I 111111111111111111 1 Display Cf Press key Display and key input tests Set the test RAM card UKOGC101 OCSZZ in the PC 1350 Start the t...

Page 6: ...g unit 10 OPEN 10 OPEN 20 FOR 1 3T0255 20 FOR 1 3T0255 30 B CHR I 30 A CHR I 40 INPUT 1A 40 PRINT 1A 50 PRINT 1 B 50 INPUT 1 B 60 WAITO PRINT A 60 WAITO PRINT 8 70 NEXT I 70 NEXT I V 80 C LS 80 CLS Table 2 8 J 0 End u Key entry sequence Table 1 u Display Corresponding Display Corresponding Display Corresponding Display Corresponding code key code key code key code key 00 y 10 L 20 30 8 01 H 11 ENT...

Page 7: ...from the CPU 22 187 In Data In Din signal Serial data input signal from the PCU bit term serial handshaking 23 186 In SIO CD Detection of a send request from the other end 24 185 In SIO CS Detection of send enabled from the other end 25 184 In SIO RD Receive data 26 183 Out SIO RR Sending of receive enabled from this end Low during standby buffered by gate alley 27 182 Out SIO RS Sending of send r...

Page 8: ...igh impedance 61 F05 Out 32 K ROM chip enable 62 F04 Out SIO SD Transmit data Low during standby buffered by gate alley 63 F03 Out BUSY signal Interface output port 64 F02 Out DOUT Data Out Data output port to peripheral 65 F01 Out Application ROM chip enable output provided on the RAM card connector 66 808 Out RAM DISP LSI enable signal 67 807 Out A14 address bus line High during standby 68 806 O...

Page 9: ...t VMH I VBH __ ID1 s VDirs 5 VAL t VD5I S VD IS VML f l VD1s VD S 5 VBL J h5 1 _1 SH26 TR5 ESR H TR22 Display on The LCD operates under 1 16 duty 80 pin CE Ofj R W S63 S63 01 s QSs1 Q Ss2 S62 S62 64 byte 80 B F M M co 64 byte 40 F Read Write ho h h h h h I I I I I Vors VA Vs S1 S2 AL DIS Display out Ti llin g Latch clock Descript ion of the SC43537 Display LSI ...

Page 10: ...FFOFFON ON ON ON ON ON ON ON OFF All digits off VD S VBL _ Segment waveform VML VBH Backplate H1 waveform VMH VAL i GND VAH Segment output waveform H1 H2 H3 H4 H5 H6 H7 H8 H9 HlO Hll H12 H13 H14 H1 H2 H3 H4 H5 hl TRl h2 TR2 h3 TR h4 TR4 h5 TR5 DIS RES HA Counter and segment waveforms PC 1350 ...

Page 11: ...SP 5 CE OUT4 IJJ RR OUTl IJJ SD OUT2 1JJ ER OUT3 IJJ RS Unit cell A14 OPCE A13 _ RAMl _ A12 RAM2 _ All Address decoder DE 1 AlO DE 2 A9 DE 3 DE 4 DE 5 R W I A D6 K07 D5 K06 D4 KO 5 D3 K04 D2 Data latch K03 Dl K02 DO KO 1 CPU From signals SC60220 Gate Alley This LSI chip is used to decode various LSI RAM DISP chip select signals to generate key strobe and to buffer SIO output BOS PC 1350 ...

Page 12: ... terminal contact failure Make the deformed board unit corrected so that a slight degree of curl should appear in the opposite direction and use the fresh tape to bonding the board on the cabinet How to remove the board Pay attention to the following when removing the board unit from the cabinet for troubleshooting PCOS board The board on which an LSI chip is directly bonded Model name Type Parts ...

Page 13: ... Vv mN r OOO lo Nll l 111 Clr CDC lo 1 NOOr LllLll m Lll Or OOC le m _ o N O Or r r r r r r r r r co O ONNN ONNNC l N O OCIO NN 1 N o O ICOr Olfl P N o c 4 _ l LI iN o ID CDLll N 1 Ll Nm 4 Vl r C l l OZZZZZ 0 0 0 0 0 0 0 a co Ll NWLll 1TlN r OLll fT1N Lil _ 1 1N O uz l u1 1 1 1 1 ooooooou wwwwz i i i r r r r r r r o o o o o a a oooooo r N Plt 1 1 4 Lll V C C ICI0 0Lll N 1 Lll OOO NtrlP mmNN NNNNNP...

Page 14: ...0 u 0 e 14 lf c o f N m m oo o N m m oo o N m m oo m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m lJ J w J u 0 c lf CIRCUIT DEAGRAM 2 PC 1350 CD u c ca Q c 0 in M c D N ID ...

Page 15: ...I LI LJ LI z u I c 0 i J I I I 4 P N Q O en r O U1 _ 1 NNNN PC 1350 1 z l t 1 1 1 1 1 1 l 1 1 1 ZN Z Z Z Z Z Z Z Z Z z Z Z Z 0 c_ __ uuuuuuuuuuuuu zzzzzzzzzzzzz l Y N u u 0 a co u w LL CIRCUIT DIAGRAM 3 e u 0 E Cl E 0 in u Q M ...

Page 16: ...S B62S _ 0 DlS L62S LJ 971S 9625 C S P IS 5625 u HIS 7625 __J LS LSIS 9S 9SIS SS SSIS 5 SIS ES ESIS w ZS 2SlS IS ISlS OS I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I L ___ I I I I I I I I ___ I I I I I I L __ I I I I I I I I I l __ I I I I I I I I I ___ I I I I I I I f I I I I I I I I I I u L __ I I I I I I I I z 0 __J u I I I I I I I C I I I I IH _J I I I _________ BH I I I I I I I...

Page 17: ...card contents which may occur when the RAM card is replaced in the following condition 1 during auto power off or 2 with the PC 1350 in power on condition to replace the RAM card f SW2 Lock SW Jumperand subsidiaryboard circuit description 11 PARTS AND SIGNAL LAYOUT CHART MAIN PWB ...

Page 18: ...pulated and at the same time the OFF key is activated to turn power off 2 During displaying or run A pulse to the BRK key line to KON by the lock switch to release the PC 1350 from running state BREAK action and at the same time the OFF key is activated to turn power off ion iption I AM card contents is replaced in the IA8 x i Kon PC 1350 ...

Page 19: ...se to the BAK key line to KON by switch to release the PC 1350 from runnu BREAK action and at the same time the IA7 oFF key IA8 following condition 1 during auto power off or 2 with the PC 1350 in power on condition to replace the RAM card f SW2 Lock SW It is the circuit to prevent change in the RAM card which may occur when the RAM card is replace Jumper and subsidiaryboard circuit description 19...

Page 20: ...o KON by the lock 1350 from running state e same time the OFF key f N to actuate the PC 1350 itch is manipulated and at 1 is activated to turn power ON A7 OFF key A8 in condition in the RAM card contents M card is replaced in the uit description ...

Page 21: ...N202 7 4_ G2A Y8 NU II GND 5 G2B Y4 11 l 2M 10 Gl Y5 YGG 8 GND Y6 15598 16 YCC Y7 t Z GND A DAN202 t r YCC Al3 B J R W 4_ CR2025 r AO 7 YGG Al I A2 ir A3 A4 A5 TC5517 AFL x 4 l A6 18 A7 t A8 CE r A9 AO 8 9 DO i AlO Al 7 flQ U c ___ ____ r All A2 6 11 D2 r ___ i ____ Al2 A3 5 13D3 c i Al3 A4 4 14D4 c _____ _ c NC A5 3 15D5 _____ _ I NC A6 2 16D6 ____ c __ NC AL 1 17D7 i c NC A823 c c NC A922 c v DO...

Page 22: ... PC 1350 GND VCC R W AO Al A2 A3 A4 A5 A6 A7 AB A9 AlO All A12 Al 3 NC NC NC NC NC DO Dl 02 03 04 05 06 07 RAMCE NC NC OE VGG A13 22 1 2MO l 2MO A11 W M A 12 11 c3 N G2B _ l loAN202 o He w 0 i D N c N ...

Page 23: ...98 l 16 vcc Y7 b L GND DAN202 vcc 1 Al3 OJ R W CR2025 AO VGG Al A2 A3 l uF A4 AI3 A5 TC5517AFLx4 l b6 I 20 V A6 18 CE2 CE A7 o A8 CE A9 9DO AIO t A 2 _JQ l ui z UQ ll v f ____ 1 I iR Q All LA2 6 i v i __ _ I Al2 A3 5 13D3 v A3 7 Al3 _____ ____ 1 A4 4 14D4 t v f v f 1 I NC A5 3 15D5 __ v 1 NC I 16D6 v A 6 4 J _ v 1 __ NC 11 2 l 17D7 v ____ v _ i NC LA823 AB 23 v L NC L A922 924 DO A JO 19 v v Dl lf...

Page 24: ...GND vcc R W AO Al A2 A3 A4 A5 A6 A7 AB A9 AlO All A12 A13 NC NC NC NC NC DO 01 02 03 04 05 06 M CE NC NC OE VGG 24 UPD4364G 20L ...

Page 25: ...N 8 CN 9 CN 1 0 CN 11 CN 12 CN 13 CN 14 CN 15 CN 16 CN 17 CN 18 CN 19 CN 20 CN 21 CN 22 CN 23 CN 24 CN 25 CN 26 c 27 c 28 c 29 c 30 c 31 CN 32 CN 33 CN 34 CN 35 1 2MX3 z C 1 On account of parts procurement situation the TC40H138FN was used as a substitution of the TC74HC138F for some of CE 201 M and CE 202M in earlier productions When the TC40H 138FN on is in failure either the TC40H138FN or TC74H...

Page 26: ...r r v s r r v 05 r l 16 E r r v r VA7 I v v I v a v 1 v I v g 1 I v I v o v I v v VJ2 2 GND VCC ITT ilE 20 21 Hl38FN l Terminal Side C C A13 aDvGG PC 1350 TC74HC 138F 1 2MOX3 f t A11 A12 RAM CE AC6 R W v BLACK lj Red c I 8 E C Cl C 0 z 0 0 0 0 z z n m o n o w o m DAN202 GND lSS98 GND t t ...

Page 27: ...1 T0 1pF CD CTS Blue J_ 100Knf f1Mn T0 1pF DTR DAP202v 2SC2812 FG Frame GND ____ ___ _ DTR l l CTS Cl 15Pin JAE IC1 TC40H004 VHITC40H004FN Tr1 2SC2812 VS2SC2812 H1T 01 DAP202 RH DZ1005CCN1 Al 100K 1 VRSTP280104JT R2 100K 1 VRSTP2BD104JT R3 1M 1 VRSTP2BD105JT Cl 0 lµF RC CZ1021CCN1 C2 0 1µF RC CZ1021CCN1 Pin No Signal name Signal PC 1350 side flow signal name 1 FG Frame ground 2 TXD Transmit data S...

Page 28: ......

Page 29: ...8CC1E AM E F N c Connector 0 5oin J f 71 6 QPWBM2359CCZZ AK DY N c FPC FPC 7 QTANZ1289CCZZ AB DB c Batterv terminal 171J 1 8 RC CZ1021CCZZ AB DB c Capacitor 0 1 uF J j tj 9 RC CZ1035CCZZ AC DD c Capacitor l OOpF J j tj 10 RC CZ1037CCZZ AB DB c Caoacitor 0 01 uF J T tj 11 RC CZ1047CCZZ AB DB c Capacitor 0 03311 Fl J 7 tt 12 RC SZ1007CCZZ AF DL c Capacitor 1uFl J 7 tt 13 RC SZ1021CCZZ AC DE c Capaci...

Page 30: ...ENTER I Japan JKNBZ 1873CC03 OJOJGG lsRKl D Japan JKNBZ1715CC07 0 0 D 8G CC 2 0 0 D8DD BBBBBB EJEJEJEJEJEJ BEJBEJBB BEJBEJBB EJEJBBBB EJEJEJEJEJlcLsl EJEJEJEJEJB EJ EJ EJ EJEJEJ J KNBZ 1916CC01 BBBBBB EJEJEJEJEJB BBBBBB BEJBBEJ BBBBBB EJEJEJEJEJEJ BBBBBB EJEJEJEJEJEJ BBBBBB EJEJEJEJEJEJ 888888 EJEJEJEJEJB B B B B B fHIHI R EJ EJ EJ B EJ 8 8 B B Fl HirTj EJ EJ EJ EJ EJ M JKNBZ 1909CC01 JKNBZ 1874CC...

Page 31: ...nit CE202M P COS type I c 1 1 l DUNTG8199CCZZ AP EQ N D Cabinet unit CE202M Flat LSI tvoe I c 1 1 r 17 PZETL1538CCZZ AA DA N c Insulator for battery cover Y t7 3 7 e r r 18 GFTAB1306CCZZ AD DG N D Batterv cover r 1 1 101 RC CZ1021CCZZ AB DB c Capacitor O lµF J j lj 102 RC SZ1007CCZZ AF DL c Caoacitor lµF J j lj 103 RH DZ1008CCZZ AC DD B Diode OAN202l 1 t l 104 VRS TP2BD125J AA DA c Resistor 1 8W l...

Page 32: ... 32 7 9 6 18 ...

Page 33: ...CNW 1298CCZZ AR FA N c Lead wire 1J r 71 103 SPAKC8817CCZZ AF DN N D Packing case y 7 7 7 104 TiNSJ4287CCZZ DG N D Instruction book Japan r I 7 Q 11 J 10 3 TiNSM4288CCZZ AG DR N D Instruction book Expert r 7 n11 J 1 0 3 105 UBNDA1008CCZZ AA DA c Cord band J i r 201 VHiTC40H004FN AF DP B IC TC40H004FN IC JC 202 VS2SC2812 H 1 AB DC B Transistor 2SC2Sl 2l TRl r7 0 7 203 RH DZlOOSCCZZ AC DC B Diode DA...

Page 34: ...AA DA c TLABZ2082CCZZ 5 204 AB DB N c TLSTS 10 0 6CCZZ 2 9 DA D II 5 205 DA D PARTS CODE NO PRICE R NEW P R Ex Ja D DUNT 8038CCZZ 1 37 AX F X N E II 3 1 AX F X N E DUNTG8035CCZZ 1 6 EA N D DUNTG8036CCZZ 1 43 FE N D DUNTG8041CCZZ 1 6 AK N D DUNTG8042CCZZ 1 43 AS N D DUNTG8044CCZZ 5 16 AP E p N D DUNTG8055CCZZ 5 16 AP EQ N D DUNTG8199CCZZ 5 16 AP EQ N D DUNTK8039CCZZ 1 34 BY TU N E II 3 901 BY TU N ...

Page 35: ...SHARP SHARP CORPORATION Industrial Instruments Group Reliability Quality Control Department Yamatokoriyama Nara 639 11 Japan 1 984 September Printed in Japan PC 1350 ...

Page 36: ...card remount it after per forming the initialization If the PC 1350 is initialized while the RAM card is mounted the RAM card will also be initialized program and data cleared RUN MODE CALL EF88 POKE 6EAF 9 RUN Enter the following CALL EF88 I ENTER I POKE 6EAF 0 I ENTER I and check that the following is displayed RESET button G Tum on the computer by setting the power slide switch to the ON positi...