SERvicE MANUAL 8. PARTs LlsT
Contents
1. 2 Service MANUAL amp PARTS LIST FX 80006 lt NOV 1986 CASIO Su de E er 10 CONTENTS SCHEMATIC DIAGRAM aii seb a CE E PESE DEA EE RED Re Rance 3 Mets MONT BIOK Lt auci SS Bey pd dd usi 3 1 2 Display BlOCK uon hare SERIE See 4 SPECIFICATIONS nc 5 DISASSEMBLY EXPE 5 BLOCK DIAGRAM TT rnc Bender 6 FUNCTIONS ES lien a BOA ORG OU RENE ol a en 7 A CPU HPD 10076 005 u ra sco dan rei eked 7 23 256 8 RAM 436401511 8 LCD Driver HA D4A4S5 2A OT Rn oes Sarena rend 9 E LCD Driver 044353 01 10 F Gate Array uPD65005G 045 22 wr 11 DIPA ee ne a eee ae a RE ee 12 TROUBLESHOOTING Ek DESCR hee 13 OPERATION CHECK 14 POR ASG ees tee eee eee ie E TA 16 PARTS LIST vce cers ee eee 17 B C D E 1 SCHEMATIC DIAGRAM 1 1 Main Block AC Sci ON KOI KIO m ss nr KOR KI2 j Be K13 KOS KIG 12 Range Factor 3 Sea 1 poe is D Tr 772 Groph Trace Or Oe2. 2291 0 90 1 02 oo 1 03 HAT Ss er ler 2 5 1 05 236 u O 1 06 i 13 u o ro IPDIOO7G 005 25010 00 2 G 2151211 NM 320 DORE im WE 3 oH O e PSW to Connector 69836 001 1 4 wu D D D D D D QD EE E pat 22x K17 NOTE 1 amp Power supply checking points Function checking points 2 Capacitors are CM21Y V 104P unless otherwise specified 3 Resistors are RC315B unless otherwise specified c52 on CDI2 T5 LD B8122A HM 353 NOI rn ulul e 4 man Ne NAN AN OO Me ew ANN A aw m MM MMM MM DC NC KK OX OX OX XX OO KOO OOM OOM Ole ala nl lof 191919 lair lon Sie MCE DE xx ae ae ab EI EI ee de ee oe ae ae ae ae a ep ae IM LLAT O87 ere ii PM EHH BRR RARRERIBE 147 CET s 94 7 HHH HEHE 7 am REESE HH HH 2 9 B Em T 8 Cl 227 orm A Hie Gin Z lA LIII 69 CIM penne H TES ues 897
3. CO i h N gt gt Function 2 2 LS 1 gt il Data Input Output 6 7 OSC1 OSC2 Oscillation connection terminal Address signa m Chip enable signal e 92 gt C3 Chip select signz 15 16 ENT EN2 Control FA 80 17 SW Switch signal 1 2 Clock pulse OP Operation signai CE1 Chip enable 24 25 CE2 CE3 NC 26 28 10 1T3 interrupt signa _ 29 32 DO D3 Data 33 34 GND TEST GND VDD1 voo 0 Key input signa 43 46 Key input signal 47 58 Key output signal Output enaole signal 60 63 AO A3 Address signal NC NC 65 72 4 11 Address signal 73 Read Write signal 74 Chip enable signa to RAM 75 80 107 102 Data signal 37 4 B C 1 ROM uPD23C256EG er Pin function AO A14 Input DO D7 OE Input CE Input Output RAM uPD4364C 1511 m ja A12 A12 To A7 A7 as 4 6 G 45 5 AL P3A4 w 3 8 x A2 c S lt 1 A1 A0 39 140 5 2 109 101 sie 4102 102 130103 C3 GND VDO1 1 Pin function AO 12 Input 108 Input Output OE Input CE1 CE2 input WE Input C LJ uo un gt C pe 8 uPD4364G15LL mm 4 VCC WE 2 AB A9
4. E 2 Oy E H x rr 1 lt ENG ENG Not Xor m Pro 4 7 4 log 10 Bin b P 40 1 Tora ze t i 7 X X ar 2 7113 jhyp c Sin Sin ID D Be PON pers ge el C SEES gg z Cos Vie E T CR2032C0x3 X D om DE X u 8 B N E 3787 79 5 2 Yon zvo 6 lt 0 1 xXY R X X S 1705177 x X 7U 2 X0n 3 lt X0On 1 n W O Rnd Z TE gt re e gt X fAbs and Cl ili z 307 or DT L Ran Ran amp L GND Recir 2 Y RENE Si Ans Priot SPACE 62 i lt o gt i o VSW 205 9 1 4 D2 2 4 7 c S rr 3 mo otk 10 este SNYD g GND 13 i 2 1 GN e otto GND p c39 t t o 2 o OPE 2667 0 CNTL loop 5 6K toy 89 oL z 14 ol 5 ajal INT 10 ovg o INT j 01 00 D E 3 6 1 01 Ke sjos x
5. 11 DE A10 108 27 26 25 24 23 22 21 20 19 107 pe 17 105 105 104 px E m 15 A14 A13 AB 9 A11 ADDRESS BUS 10 gt gt gt LD gt TE ORO YR ras poy 107 106 105 104 103 Address input Data output Output enable Chip enable OND ICS Inc 28 tn ADDRESS BUS A10 107 105 uI E 104 FEE Address input Data input output Output enable Chip enable DATA BUS DATA BUS Q 1u uPD1007G 005 RCE uPD1007G 005 WE uPD1007G 005 OE uPD1007G 005 FE Read Write terminal Low Data input High Data output D 1 LCD Driver HD44352A01 LCD SEGMENT apud rr e o 5 ge TER gt gt 3 gt gt Eom V2 M1 GNO gt o _ VSW I z P3 1001 002 a er 44 31352 A01 ee Pin function 34232 LCD driving power supply GND LS positive side power supply VRT Output Output voltage controlled by built in electronic volume when VSW is low VSW NDUT od E cerunt Power switch Low when LCD is on NPO cuiua rear Chip enable For accessing HD61700A01 OP InpUt Data operation signal DOT xoc see wees W segment display data 2 segment display data PN Input amp Designation of segment di
6. A221 10 1 5 80250 0 25 1179 5 6 2SC2812 L5 L6 25RC2 4RT RC315B880K J RC315882K G RC315833K G t RC315B1M J A331384 1 A41036 1 69835 001 631005 1 041269 1 A45138 1 A44793 5 433353 21 CD 12TS A22153 1 A48595 5 EZ 058 1 2 058 2 TH 06 2 A46277 6 A45999 4 1 i A45999 5 A48320 1 tw te i i i 1 33953 21 Essentia Stock recommended 10 10 10 10 20 20 1 10 pln ee EB e a V ET I L M 20 Unit price J F Yen Y FOB Japan 200 120 18 18 18 Aa A 260 100 10 530 110 130 400 11 C Less recommended X No stock recommended Rank 00 Ow oo O C 52 02 is LP an nn rn Unit price Ref Code J F Yen Y Rank Japan KEY ANO SLIDE KNOBS 00018215 Rubber key top set GX935 969AA For FX 7000 8000G 1 200 X 63827990 Common film G969 A31181 1 190 G Xt 63828000 Spacer 6969 49108 1 20 12 63382670 Sidie knob 0444 36012 2 2 19 15 63298310 Contact spring G310 A45208 2 10 3 F UPPER CASE m 00073848 Upper case des GX969AA For FX 8000G TER C G LOWER CASE Yt 63828010 Lower case 969 A11330 1 100 C X
7. its 1 2 va Q A Display Block B2 VEXT VSW TM DI D2 04 4 4353 we HD44352 AOI 352 HM 353 nn CM21Y O l p D8 oe NOTE 1 Function checking po N 2 Resistors are RC315B unless c 3 Capacitors are CM21Y V104P 2 3 SPECIFICATIONS DISPLAY The display is capable of displaying 16 character by 8 line text and memory Graphs are produced on a 95 by 63 dot matrix POWER SOURCE 3 lithium batteries CR 2032C BATTERY LIFE A Approximately 100 hours type CR 2032C AUTO POWER OFF Power is automatically switched off approximately 6 minutes after last operation AMBIENT TEMPERATURE RANGE 32 F 104 F 0 C 40 C DISASSEMBLY su e 9 1 Remove 5 screws from the back 2 Unhook CD portion the lower case from the upper case 4 BLOCK DIAGRAM CD 12TS LO B8122A Ommon Segment Drive Drive HD44352A01 HD44353 CPU demo D Connector 20 pin ROM 256k dit EPD23C2SE EAG 302 Key Board FX 8000G Centronics Connector FA 80 1 0 BOX CMT ATN 5 A LSI Pin Functions CPU uPD1007G 005 E 79 Q Q
8. 63828050 Insert nut 0969 45549 2 1 20 12 For Batter holder 63354470 Insert nut 430 46549 2 10 For Lower case panel 63828030 Earth spring 6968 A48833 2 2 20 9 63501140 Battery holder 6924 A314 5 1 19 35 635011 150 Battery insulation seai 0 G324 A48758 1 i 26 5 C With Battery holder 63297621 Battery spring A G272 A33838A 1 10 T C 63297630 Battery spring B G272 33939 1 2 10 8 C 63297640 Battery spring C 0272 A33940 1 10 6 63297660 Battery insulation seal 0272 A44154 i 3 10 2 63357030 Flat screw A 6452 A33953 21 2 50 2 For Lower case 63828020 Lower panel G969 A31182 1 120 C 63411381 Battery installation label 6935 A46108A 3 14 63349690 Screw 0910 A45319 2 2 C For Lower panel m G OTHER ome pm Ie Notes New parts Rank A Essential C Less recommended Quantity per unit B Stock recommended X Ko stock recommended Minimum order supaly quantity 19 CASIO COMPUTER CO LTD PRINTED IN JAPAN
9. Ende FE IT HHH segues 1 in o HELL N CT ai cn GR I T LL i m CRE HE i JH H 9 zi gt gt gt x SY au FE ER oen ON DHRO AUMTMONBHO NOTH MVM ID UD OD UD AR IN JAN ITA coaleirlonleinis iod sr rir mim AAOAAAAAA AAA AAA ABA AA SA DUGDODOSODOOSOREAKEN 28 p FERRER HHH 5 gt gt gt mA OR 941 26 62 dd JESA BLA BES 847 297 ZSA 64A L 7 621 ag 95272 27 ll ut T 3222 22 el pir RIRES Bee 90 7 X954 80 Spl m er ei descr epe 291 pad tr 1 aa m lt lt 1 ER TT JETA S d 29 m 2 Hal BEA 19 287 9 A d 27 ppt 925 SEA I gt MSA et 9 IdGA 25124125 gt 0 ee 1 Hors el oe 5799082 11 62 1 754624 2 1 Cc Lis GND VI v2 V3 V4 V5 GND Vin 2 V3 V4 V5 GND VI v2 v3 4 Vos X32 I04P15Vx5 herwise specified nless otherwise specified x5
10. SW ON RESET cal mode angle MODE Contrast adjustment display Norm Step 8 MODE 2 gt sysmode WRT cal mode COMP angle Deg display Norm 1466 Bytes Free Prog 0 1 23456789 tz EXE SHIFT DEL 87 9 ALPHA X SHIFT MC1 8 9 gt A 2 ALPHA 0 SHIFT ALPHA X 2 sin cos tan MC1 8 9 gt A 2 ABCDEFGHIJKLMNOPQRS 789455x 123 TUVWXYZ OSHIFT MCL 87 97A Z ABCDEFGHIJKLMNOPORS TUVWXYZ A Ans log 9 In 2E3 mGraph Y Range Cis Plot KJ ANS X log 9 In 2 EXP 3 SHIFT SHIFT ALPHA Prog ENG Graph Range SHIFT G T SHIFT M Disp ALPHA Prog PW SW OFF ON 4 677722092E 24 Prog 1 EXE 3 3928900992 E125 EXE EXE mGraph Y Range C 1s Plot ALPHA X EXE A the same display as the first line Prog 1 4 677722092 24 Disp Prog 1 8 888888889 Be Read out MODE EXE T Defm Program 55 Memory 26 1391 Bytes Free Prog 1 4 677722092 E 24 3 392800592E 25 mGraph Y Re ce Cis Plot PW SW OFF ON repeat three times Prog 1 EXE EXE EXE PCB ASSY VIEW 9 16 10 PARTS LIST Notes 1 Prices and specifications are subject to change without prior notice 2 As for spare parts order and supply refer to MODEL FX 8000G GUIDEBOOK
11. v IM LITERAS ee anpa 297 Ir 991 que 971 corr v9 HE HT HO 91 en eor LT 291 MEET 197 Sn 997 661 HE 8 1 e gn TIL HH rt 461 CLEO sate as HEEE 99 1 en HER u ET sus 91 ve Oo zn TEREE WES z HAE 251 vin HER HE 123 822 161 sin EEE mae CT 041 I sin 718 HE EH ij ep d rn sin i 543 I o2n TOO Gb 9 ref Bon eee 7 5 su ne d NU zen ET pes L a u 855214512 TE ERBE ul 291 d pan ESE EEE ET ova 25 32n LL a 40 n HH zen LEE EC CET u BAURARANEE T gen RER ER EEE EEE SEO eee gaun L LLLLLI Suunn a n HH Fi aun A ELEC EEE EEE zen IT n as HL mamas TT EEE Ao 5 ven COTE HE 208 Er CE gen sen i t rr gen Len sous sae sen H 1595 Orn AA TT CEE ECC EEE ES Pettitt tf pi HE a an TT HH a EE D
12. 93 5 13 50 7 For 0959 2 kotes ir New certs Rank A Essential C Less Ot Quantity per un t B Stock recommended X No stock recommended x M niaum order scaply quantity pu c Code no C PCB G969 3 20 43018760 21 22 23 24 25 26 27 28 29 ee 21207098 22008269 22210335 28049200 27908047 27908501 21905463 21908136 63258131 63367230 35010182 63811590 63810150 63828070 63283830 63357030 D DISPLAY X 33310714 63832820 63501230 95005168 95006176 56006184 63411360 63442520 63442530 63442570 63357030 Notes PCB G969 3 Without components Regulator IC Transistor Chip transistor Electrolytic capacitor Chip Chip Chip Chip resistor P spring G195 Insulation seal 0839 resistor resistor resistor For P spring Connector Connector shield plate G760 Connector cap G760 Insulation seal G969 With PCE G955 3 Flat screw A G403 For 0966 3 Flat screw A G452 For Connector LCD LCD holder 969 Adhesive tape G924 For LCD Heat seal A 6935 Heat seal 8 6935 heat seal 6935 Insulation seal G935AE For Heat seal A 6935 Insulation seal 09358 For TH heat seal Insulation seal 69356 For TH heat seal Insulation 9350 For Heat seal B G935 Flat screw A 6452 For LCD holder Yt New parts Ot Quantity per unit Mintmum order s 2ply quantity
13. for Spare Parts Supply published GX969AA separately 3 Refer to the component location for numbers in the Ref column if any Unit price Ref Spec no J F Yen Y FOB Japan 0969 1 A22108 1 i 200 OE Without components 20100434 151 H044352A01 630 A 20100630 LS H044353 i T80 27908331 Chip resistor RC315810K G 10 1 21905536 Chip resistor RC31583 9K G 4 20 5 C 71032167 Chip capacitor CM21YVIO4PISV 5 10 28 E 1 B 969 7 amp 1 43018750 8 0969 2 A22103 1 i 200 C Without components X 8 20100406 15 UPD 1007G 005 1 200 A 9 20101239 151 UPD4364G 1SLL i 650 A Yr10 20101596 LS UPD23C256EAG 302 1 540 A X 11 20101232 1151 UPD65005G 045 22 250 A 121 25201507 Ceramic oscillator CSB9 10K 100 C 13 28907168 Chip capacitor CM21CHI01K25V 2 1104 14 14 71032167 Chip capacitor CH21YVIC4PISV 4 10j 28 C 151 27905413 Chip resistor RC31585 6K J 104 5 C 16 27905129 Chip resistor hC3158330K J 2 10 9 17 27905332 Chip resistor RC3158 8K J 20 3 18 27908460 Chip resistor RC315B5 2K J 4 10 3 C vv 19 28960245 Chip capacitor CM21SL 01K25V T1 1 20 d C 63442560 joiner 0935 48317 1 29 Between PCB C969 1 and PCB G969 2 63828090 FPC joiner 0969 448317 6 1400 E Between PC8 G969 2 and PCB 6969 3 63283830 Flat screw A 6403 A447
14. q eti Rs Designation of segment direction Device code Refer to HD44352A01 for other pins 10 D F Gate Array uPD65005G 045 22 1 Generates chip enable signal for ROM and reset signal to FA 80 2 Controls VSW signal J gt Y E 0 24 a IE 6 DISPLAY 96 x 64 Normal Graphic print N HD Norma HD High Density 192 x 128 High Density 7 TROUBLESHOOTING nodes SYMPTOM CAUSE SOLUTION Intermittent display Dirt or poor contact on battery Clean or adjust pressure of contact Poor contact on power switch Clean or replace power switch Poor soldering on 51 capacitor or resistor No display at all Weak battery Replace battery Dirt or poor contact on battery Clean or adjust pressure of contact Poor contact on power switch Clean or replace power switch Defective 51 capacitor or resistor Repalce Poor contact cetween LCD and PCB Replace the Clean or replace contact Separate the contact Erratic display Certain key does not function Constant contact is made on certain key All keys do not function Defective LSI capacitor or resistor Replace Heavy key motion Dirt or scratch on the key Clean or replace the key 3 8 OPERATION CHECK MODE sys mode RUN COMP Deg PW
15. rection ADUT des Clock pulse for data access DC IADUU 5 6 suds feces Designation of frame frequency Low level input D8 D1 Input Output Both way data bus with HD61700A01 DE1 DEB Input Output Both way data bus with HD44353A01 TM 3e er Timing pulse output with 5096 duty GE OUtDUt Clear the display by Low output when is input ACL Not used Test output VDD input LSI negative power supp y Z1 216 Output Segment output X32 X1 Output Common output W1 W16 Output Segment output VEXT INDU totes Display power supply 29 2 E 1 LCD driver access timing chart LSW VDD2 1 61 LI U U LE 62 62 c U U U U U CE CE1 N OP ON tC 91 D3 60 NLOXC Van Bi X 7 Data receiving Data receiving CET and OP vary by 2 synchronizing pulse and D3 DO vary by 1 synchronizing pulse LCD Driver HD44353A01 eo QE z ae 25199 2 4 Ey HD 44 353A01 a a Pin Function Vice Output ss sans Segment output VDD1 LSI negative power supply F S Lib ssl Frame frequency designation see Test terminal input DO Output 2m oderam uev HD44352A01 segment output data UD IADU zu p
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