Casio JD-8000 Page 19 Service Manual Download

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7. OPERATION CHECK

STEP

OPERATION

DISPLAY

NOTE

CAUTION : If customer's data are stored in the unit, all data will be corrupted by this operation.

Caution!

This is TEST

To Escape

Press AC KEY

1. RAM, ROM

2. DISP

3. KEY

4. TRANS

5. RESET

6. FCC

7. OPT

AC. Esc

8K RAM OK!

ROM OK!

1. RAM, ROM

2. DISP

3. KEY

4. TRANS

5. RESET

6. FCC

7. OPT

All dots display

No display

Checker display

Reverse checker display

Frame display

1. RAM, ROM

2. DISP

3. KEY

4. TRANS

5. RESET

6. FCC

7. OPT

TIME, FUNC, · · · SPACE/

1. RAM, ROM

2. DISP

3. KEY

4. TRANS

5. RESET

6. FCC

7. OPT

RESET!

The checkpad is located
right side of the back-up
battery switch as shown
in figure on the next page.

DISPLAY check

Then short in the checkpad
about two seconds.

EXE

TIME

FUNC

· · · · · · ·

SPACE

Key check
Push the key sequentially
appeared on the display.

After a harf second, the
main menu will appear.

Check the key sound.

RAM check

ROM check

Summary of Contents for JD-8000

Page 1: ...R without price MAY 1995 JD 8000 ZX 809AE INDEX ...

Page 2: ... GUIDE 5 3 RESET OPERATIONS 10 4 ERROR MESSAGE 11 5 BATTERY REPLACEMENT 12 6 LSI PIN FUNCTION 14 7 OPERATION CHECK 17 8 TO SAVE THE DATA TO OTHER MACHINE 19 9 TROUBLESHOOTING 22 10 EXPLODED VIEW 24 11 PARTS LIST 25 12 SCHEMATIC DIAGRAM 27 ...

Page 3: ...e of accuracy 3 seconds per day under normal temperatures Home Time year month date AM PM day of the week city name daylight saving standard time World Time full automatic calendar 12 24 hour timekeeping format Alarm Mode Daily Alarm 20 second electronic buzzer Schedule Alarm 20 second electronic buzzer Hourly Time Signal beeps every hour on the hour Conversion Mode Six built in conversion pairs 4...

Page 4: ...y approximately 1 5 years after the low main battery warning appears on the display aaproximately 5 years if main batter ies are replaced immediately whenever battery warning appears The batteries that have been installed in this unit when user purchased it had been used in the factory test so it will be impossible to fully satisfy this specifications when these batteries are used Auto Power Off A...

Page 5: ... Secret Memory Area If you perform the above procedure while in the Open Memory Area the number of items stored in the Open Memory Area only are displayed To see the number of items in the Secret Memory Area you must perform the above operation while accessing the Secret Memory Area How memory capacity is calculated There is no limit on the amount of memory you can use in each mode but the total a...

Page 6: ... 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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 1...

Page 7: ...se or storage in very low temperatures This may cause display response to slow down or fail entirely Very low temperatures can also shorten battery life Avoid use or storage in very high temperatures Even prolonged exposure to direct sunlight can damage the unit Leaving it on the dashboard of a closed car or on a heater is even worse Avoid using or storing the unit where there is high humidity or ...

Page 8: ...de 3 Schedule Mode 8 Alarm Mode 4 Calendar Mode 9 Data Memo Diary Mode 5 Secret Memory Area 0 Magic Beam Mode Changing Modes To change modes 1 Display the main menu 2 The icon of the current mode is highlighted on the display Use and to select another menu icon 3 When you have highlighted the mode you wish to select press EXE To enter the Timekeeping Mode press TIME key To enter the Football Game ...

Page 9: ...Language is displayed in each language To Adjust the Display Contrast 1 Display the main menu 2 To darken the figures on the display press To make them lighter press To Switch the Key Input Tone On or Off 1 Display the main menu 2 Use and to highlight Press EXE 3 Press FUNCTION Then use to highlight Sound Press EXE 4 Use to highlight Key Tone Use and to switch the key tone on and off Press EXE Aut...

Page 10: ...et Memory Area Stores your private thoughts you wish to keep confidential No one can gain access to the Secret Memory Area without knowing your password Timekeeping Mode Home Time displays the current time where you are World Time shows the time in any of 29 zones around the globe You can use 24 hour or 12 hour format and can even specify daylight savings time Alarm Mode Lets you set alarms to the...

Page 11: ...able to connect the unit to another You can also send Telephone Directory and Player Profile data to a CASIO Label Printer About the Check time Display When the message Check time appears on the display press any key to display the current time Make sure the unit has the correct time before performing any other operation If the setting is not correct use the procedure for Setting the Date and Time...

Page 12: ...isplay 4 Press EXE Now the message Check time should be on the display 3 RESET OPERATIONS Two kinds of reset operations can be performed All reset operation deletes all data in memory Secret reset operation deletes only your password and the data in the Secret Memory Area Important Do not use a very sharp pencil to press the RESET button Doing so can damage the unit Be sure to perform the all rese...

Page 13: ...ch the one that is registered The main batteries are weak Error during data communications using Magic Beam Magic Beam data communications interrupted Poor connections or some other problem has caused data transfer be aborted Action Press AC ON and then delete data you no longer need from memory Input data before attempting search operations Press or to recall your search data You can then edit th...

Page 14: ...ny time memory retention will depend entirely on the condition of the back up battery Over a long period of time with just the back up battery in place memory contents are likely to be damaged If memory seems corrupted clear it using the RESET procedure described on section 4 Important Incorrect use of batteries can cause them to burst or leak possibly damaging the interior of the unit Note the fo...

Page 15: ...e slots of the battery compartment and carefully close the cover Secure the cover in place with the screw Figure 3 Figure 1 Figure 2 Figure 3 To replace the back up battery 1 Switch power off 2 Loosen the screw of the small battery compartment cover on the back of the unit and remove the back up battery compartment cover Figure 4 3 Remove the old battery 4 Wipe off a new battery with a soft cloth ...

Page 16: ...t signal input 27 IT0 In Reception data input 28 AO17 Out Not used 29 45 AO0 AO16 Out Address bus 46 OEB0 Out Output enable signal for RAM and ROM 47 WEB0 Out Write enable signal for RAM 48 52 Not used 53 CS7B0 Out Chip enable signal for RAM 54 CS6 Out Chip enable signal for ROM 55 56 Out Not used 57 64 IO0 IO7 In Out Data bus 65 66 Not used 67 OPT6 Out Turn on signal for Photo Sensor 68 OPT5 Out ...

Page 17: ...16 C1 C32 Out Common signal for display 217 VSSR In GND 0 V 218 222 V0 V4 Out The voltage for LCD drive OFF 0 V ON V0 3 6 Min 5 8 Max V V1 2 9 Min 4 6 Max V V2 2 1 Min 3 5 Max V V3 1 4 Min 2 4 Max V V4 0 7 Min 1 2 Max V 223 224 VSS In GND 0 V 225 DUMMY Not used 226 VCC In Power supply 3 V 227 VREG2 Out 2 V 228 229 TS1 2 Test for manufacturer 230 231 BZ1 2 Out Buzzer terminal 232 SW1 In 2 6 V While...

Page 18: ... V 244 VLCD Out 5 9 V 2 RAM LC3564QM 85 Pin No Signal In Out Function 1 NC No connect 2 10 A0 A7 A12 In Address bus 11 13 I O 0 I O 2 In Out Data bus 14 GND In GND 0 V 15 19 I O 3 I O 7 In Out Data bus 20 CE In Chip enable signal 21 A10 In Address bus 22 OE In Output enable signal 23 25 A8 A9 A11 In Address bus 26 CE2 In Chip enable signal 27 WE In Write enable signal 28 VCC In Power supply 3 V ...

Page 19: ...r display Frame display 1 RAM ROM 2 DISP 3 KEY 4 TRANS 5 RESET 6 FCC 7 OPT MENU TIME FUNC SPACE 1 RAM ROM 2 DISP 3 KEY 4 TRANS 5 RESET 6 FCC 7 OPT RESET The checkpad is located right side of the back up battery switch as shown in figure on the next page DISPLAY check MENU Then short in the checkpad about two seconds EXE 1 EXE EXE 2 EXE EXE EXE EXE EXE 3 MENU TIME FUNC M SPACE 5 1 2 3 4 5 6 7 8 9 1...

Page 20: ... 18 Button battery RESET Checkpad ...

Page 21: ... Time zone to Paris HOME TIME WORLD TIME FUNCTION Use to select PAR and press EXE 3 Set the date and time as follows FUNCTION Use to select Time Set and press EXE 1901 1 112 00 am L O N D O N F E B 1 2 1 9 9 0 M O N 7 X X X X D S T O N O F F D a t e F o r m a t 1 2 2 4 H o u r s T i m e S e t L O N F E B 1 2 7 X X P A R I S F E B 1 2 1 9 9 0 M O N 8 X X X X D a t e F o r m a t 1 2 2 4 H o u r s T ...

Page 22: ...se to select Receive Data and press EXE MENU FUNCTION After setting press EXE Use to select Communication and press EXE P A R I S J A N 1 1 9 0 1 T U E 1 2 0 0 X X M e m o r y C a p a c i t y N u m b e r o f I t e m s D e l e t e M o d e D a t a L a n g u a g e S e n d D a t a R e c e i v e D a t a S e t U p P a r i t y E v e n O d d N o n e B P S 4 8 0 0 9 6 0 0 am R e s e i v e O K T o S t o p P...

Page 23: ...E Use to select Yes and press EXE Master unit Slave unit About 10 seconds later both unit change to menu display N o w s e n d i n g T o s t o p P r e s s A C K e y S e n d D a t a R e c e i v e D a t a S e t U P S e n d O K Y e s N o M o d e D a t a A l l D a t a N o w r e c e i v i n g T o s t o p P r e s s A C K e y ...

Page 24: ... 1 PCB ass y Are there short circuit around the pins of the LSI HC3000 08 F1 or between the pins of the crystal oscillator 2 Replace Y N Y Replace Check or replace the chip capacitors C4 C8 N N Y N N Resolder Resolder Y Y START Are there short circuit around the pins of the RAM and ROM Are the voltage V0 V4 OK Is the Heat seal defective Is the LCD defective Replace the Z808 1 PCB ass y 2 Erratic d...

Page 25: ... or replace the chip capacitor C10 N N N Y N Is the heat seal defective Is the LCD defective Y Clean and adjust pressure of contact Clean or replace the rubber key Resolder Check or replace the electrolytic capacitor C1 Clean and adjust pressure of contact Replace Replace the ceramic oscillator Y Y N N N N Y Y Y Y N N N Y START Does the ceramic oscillator oscillate Are the chip capacitors C22 C23 ...

Page 26: ... 39 36 15 38 16 26 26 Battery 33 30 10 34 35 32 24 21 29 19 29 23 31 27 3 43 46 41 DISASSEMBLY 1 Remove 2 screws P then remove battery cover E and F 2 Remove 2 AAA size batteries and 1 lithium battery 3 Remove 3 screws then remove the Lower case 0 4 Remove 3 screws S then remove the Z808 1 ass y 8 ...

Page 27: ...Chip resistor MCR10EZHJ106 2 20 C R20 2796 1239 Chip resistor RC210B2 7K J T 1 20 C R21 27 2796 1246 Chip resistor RC210B240K J T 2 20 C R22 2792 0217 Chip resistor MCR10EZHJ101 1 20 C R24 2795 4179 Chip resistor MCR18EZHJ2R2 1 20 C R25 2792 0807 Chip resistor MCR10EZHJ470 1 20 C R26 2792 0831 Chip resistor MCR10EZHJ103 1 20 C C1 2803 7688 Electrolytic capacitor RC3 6V220M T10 1 20 C C3 9 13 2845 ...

Page 28: ...413 0940 Label A Z809A A414151 18 1 20 X 23 6408 0100 Battery spring A L370 A410112 3 1 20 X 24 6408 6710 Battery spring B L172 A412984 2 1 20 X 25 6408 6720 Battery spring C L172 A412985 2 1 20 X 26 6409 5790 Decoration screw L173B A412299 8 2 20 B 27 6408 6740 Nut L172 A411563 4 1 20 X 28 6408 0230 Insulation seal L375 A43065 2 2 20 X 29 6327 1850 Screw A G198 A44508 1 3 5 X 30 6408 0091 Battery...

Page 29: ... 27 12 SCHEMATIC DIAGRAM ...

Page 30: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...

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