Casio C-320 Service Manual & Parts List Download Page 1 | Manualshive

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R

(without price)

JULY. 1995

JD-6500

(ZX-807AE)

C-320

(ZX-807BE)

JD-6500

C-320

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Summary of Contents for C-320

Page 1: ...R without price JULY 1995 JD 6500 ZX 807AE C 320 ZX 807BE JD 6500 C 320 INDEX...

Page 2: ...L 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 UNIT 19 9 TROUBLESHOOTING 22 10 EXPLODED VIEW 24 11 P...

Page 3: ...ters Includes secret memory area and auto sort function Timekeeping Mode Average of accuracy 3 seconds per day under normal temperatures Home Time year month date AM PM day of the week city name dayli...

Page 4: ...approximately 2 years after the low main battery warning appears on the display approximately 5 years if main batter ies are replaced immediately whenever battery warning appears The batteries that h...

Page 5: ...rea 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 M...

Page 6: ...a Memo memo name memo contents 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 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...

Page 7: ...ery 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 exp...

Page 8: ...Calendar Mode 8 Alarm Mode 4 Secret Memory Area 9 Data Memo Mode 5 Magic Beam Mode 0 Fortune Telling Mode A Match Maker Mode Entering Modes To Enter a Mode 1 Display the main menu 2 The icon of the cu...

Page 9: ...anguage 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...

Page 10: ...e 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...

Page 11: ...he 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...

Page 12: ...splay 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 oper...

Page 13: ...ccess the Secret Memory Area does not match the one that is registered The main batteries are weak Error during data communications using Magic Beam Magic Beam data communications interrupted Action P...

Page 14: ...y 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 memor...

Page 15: ...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...

Page 16: ...ROM 26 IT2 In Interrupt signal input 27 IT0 In Reception data input 28 AO17 Out Not used 29 45 AO0 16 Out Address bus 46 OEB0 Out Output enable signal for RAM and ROM 47 WEB0 Out Write enable signal...

Page 17: ...t signal for display 185 216 C1 32 Out Common signal for display 217 VSSR In GND 0 V 218 222 V0 4 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...

Page 18: ...3 9 V 244 VLCD Out 5 9 V 2 RAM LC3564QM 85 Pin No Signal In Out Function 1 NC No connect 2 10 A0 7 12 In Address bus 11 13 I O 0 2 In Out Data bus 14 GND In GND 0 V 15 19 I O 3 7 In Out Data bus 20 C...

Page 19: ...M 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 7 OPERATION CHECK CAUTION If customer s data are stored in the unit all...

Page 20: ...ON DISPLAY NOTE Same display as in step6 MENU TIME FUNC SPACE Same display as in step 6 1 TRAN 2 RCV MASTER 3 PET PET OK Same display as in step 6 RESET Key check Push the key sequentially appeared on...

Page 21: ...sed to receive the data from the customer s unit according to the method mentioned in section 3 2 To connect transmission unit with receiving unit Please remove the covers of battery compartments from...

Page 22: ...figure on the next page TEST Over 2 seconds EXE AC 1 2 MENU 1 MENU 1 TEST Over 2 seconds EXE 1 AC 1 Sending failed Receiving failed Sending succeeded Receiving succeeded MENU 1 MENU 1 Rcv Error Send...

Page 23: ...21 Shortcircuit the two shorting pads with a shorting pin for over 2 seconds Main battery Shorting pin Shorting pads...

Page 24: ...I HC3000 08 F1 Is the Heat seal defective Replace the Z807 1 PCB ass y Are there short circuit around the pins of the LSI HC3000 06 F1 or between the pins of the crystal oscillator 2 Replace Y N Y Rep...

Page 25: ...e 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 capacit...

Page 26: ...19 29 23 31 27 3 43 22 45 46 10 EXPLODED VIEW 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 Lo...

Page 27: ...22 30 2792 0217 Chip resistor MCR10EZHJ101 2 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 N R32...

Page 28: ...Filter B Z807 A340379 1 1 20 X N 22 6414 6600 Filter A Z807 A340378 1 1 20 X N 18 6414 6540 Display window Z807A A313334 24 1 5 B N 18 6414 6760 Display window Z807B C CLUB A313334 25 1 5 B N 19 6414...

Page 29: ...27 12 SCHEMATIC DIAGRAM NOTE C28 C33 and C34 are not assembled...

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

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