Casio C-310 Service Manual Download Page 24 | Manualshive

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10. TROUBLESHOOTING

1. Intermittent display

Replace

Y

Y

N

N

Resolder

Resolder

Y

Y

Is the soldering weak ?

N

N

Clean and adjust pressure of contact

START

Is the battery contact weak ?

Are there short circuit around the pins
of the LSI (HC3009-01-F1) ?

Is the Heat seal defective ?

Replace the Z806-1 ass'y

2. Erratic display

Are there short circuit around the pins of the
LSI (HC3009-01-F1) or between the 2 pins of
the crystal oscillator (

·

1) ?

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 Z806-1 ass'y

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Summary of Contents for C-310

Page 1: ...JD 5500 ZX 806A B D C 310 ZX 806C R without price DEC 1994 C 310 JD 5500 INDEX ...

Page 2: ...IFICATIONS 3 3 GENERAL GUIDE 6 4 RESET OPERATIONS 11 5 BATTERY REPLACEMENT 13 6 ERROR MESSAGE 15 7 LSI PIN FUNCTION 16 8 OPERATION CHECK 18 9 TO SAVE THE DATA TO ANOTHER MACHINE 20 10 TROUBLESHOOTING 23 11 EXPLODED VIEW 25 12 PARTS LIST 27 ...

Page 3: ...TIC DIAGRAM NOTES 1 DP1 DP2 and DP3 are the checking points for the power supply 2 CP50 CP51 CP52 and DP1 are the terminals for the data transfer 3 The other terminals marked with may be used to function checking ...

Page 4: ...te second AM PM day of the week full automatic calendar 12 24 hour timekeeping format Alarm Mode Daily Alarm 20 second electronic buzzer Hourly Time Signal beeps every hour on the hour Fortune Telling Mode Fortune telling on any date from January 1 1901 to December 31 2099 Match Maker Mode Compatibility of any two people whose birthdays are from January 1 1901 to December 31 2099 Triple Play Mode ...

Page 5: ...ery warning appears Auto Power Off Approximately 6 minutes after last key operation Ambient Temperature Range 0 C 40 C 32 F 104 F Dimensions Open 13 5 H 145 W 179 5 D mm 1 2 H 5 3 4 W 7 1 8 D Closed 15 1 H 145 W 96 5 D mm 5 8 H 5 3 4 W 3 3 4 D Weight 138 2 g 4 9 oz including batteries The batteries which have been installed in this unit when you purchase it are for the factory test so it will not ...

Page 6: ...8 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 1...

Page 7: ...o direct heat or flame Avoid use 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 wh...

Page 8: ...ry Mode 6 Match Maker Mode 2 Secret Memory Area 7 Timekeeping Mode 3 Schedule Mode 8 Alarm Mode 4 Data Memo Mode 9 Calculator Mode 5 Fortune Telling Mode 0 Triple Play Mode To Change Modes 1 Press MENU to display the one of the menues MENU 1 MENU 2 and MENU 3 that contains the mode you want 2 Use and to move the hightlight to the icon of the mode you want 3 While the icon you want is hightlighted ...

Page 9: ... Display Contrast 1 Press MENU to display a menu MENU 1 MENU 2 or MENU 3 2 Press to increase contrast making the figures darker or to decrease contrast making the figures lighter To Switch the Key Input Tone On or Off 1 Press MENU to display MENU 2 2 Use and to highlight and then press EXE to enter the Alarm Mode 3 While the current alarm time setting is shown press e C to display the Key Tone 4 U...

Page 10: ...ry Area Keep your data private Timekeeping Mode A built in clock shows the current time Alarm Mode An alarm sounds each day at the time you preset Fortune Telling Mode Find out the fortunes of all your friends Match Maker Mode Check how well two prople are matched Triple Play Mode An exciting game you can play alone or with a friend Magic Beam Mode Exchange data with your friends using infrared li...

Page 11: ...eak you have to move the two units closer together If the two units are at an angle of more than 20 degrees from each other you have to move them closer together If an object is blocking the path between the two units communication will be impossible Outdoors near a window or in other brightly lit areas you may have to move the two units closer together or you may not be able to send data at all I...

Page 12: ...n should appear 4 Press to select Yes and then press EXE MENU 1 appears on the display after all data is deleted 5 Use the Timekeeping Mode to set the time after performing the RESET operation 6 Replace the battery compartment cover To abort the RESET operation press to select No and then press EXE This causes the Check time message to appear Press EXE to display the time If the time setting is wr...

Page 13: ...eration 1 Loosen the screw that holds the back up battery compartment cover in place and remove the cover 2 Use a thin pointed object like a paper clip to press the RESET button inside the battery compartment cover When you do the Reset screen should appear 3 Make sure that the pointer is located at No and then press EXE The Check time message should appear on the display 4 Press EXE again and the...

Page 14: ...er you remove the main battery for any 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 in section 4 Important Incorrect use of batteries can cause them to burst or leak possibly damaging ...

Page 15: ...e slots of the battery compartment and carefully close the cover Secure the cover in place with the screw 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 Then load it into the compa...

Page 16: ... in memory No data in memory matches data specified for search Registered password does not match input Battery power is low Action Correct cause of problem and try again Confirm that the current time setting is correct Reduce number of characters in data being stored or delete unneeded data from memory Store data before attempting search operation Change specification Use correct password Replace...

Page 17: ... Out Key scan signal 55 DUMMY _ Not used 56 VREG3 Out Power supply for RAM 3 V 57 VLCD Out 5 9 V 58 61 VT1 4 _ VT1 VT3 1 0 V VT2 2 9 V 2 0 V VT4 3 9 V 62 63 VREG1 4 _ VREG1 2 6 V VREG4 5 0 V 64 VDB In VDB 4 4 V Lower battery message 65 66 VD3 4 _ VD3 4 7 V VD4 1 6 V 67 68 VD1 2 _ VD1 4 7 V VD2 1 6 V 69 SW1 In 2 6 V While pushing the reset button 0 V 70 71 BZ1 2 Out Buzzer terminal 72 73 TS1 2 _ Te...

Page 18: ...Function 84 VSSR In GND 0 V 85 108 C1 24 Out Common signal display 109 110 S1 S2 _ Not used 111 205 S3 96 Out Segment signal for display 206 DUMMY _ Not used 207 208 XI XO In Out Clock terminal DT 26S 209 DUMMY _ Not used 210 211 PO PI In Out Main clock terminal 3 45MG 212 DUMMY _ Not used 213 214 PORT2 3 _ Interrupt port 215 217 PORT4 6 In Out For data communication 218 PORT7 _ Interrupt port 219...

Page 19: ...EXE EXE 2 EXE EXE EXE EXE EXE 3 MENU MAGIC BEAM EDIT M DISPLAY Reset Y N MENU 1 Cauti To Escape on Press AC KEY TEST 0 TES To Escape 1 SVC Press AC KEY 1 MEM 4 OPT ZX806 2 DSP 5 RESET 3 KEY 8K RAM OK ROM OK 1 MEM 4 OPT ZX806 2 DSP 5 RESET 3 KEY All dots are displayed No display Checkers are displayed Reverse checkers are displayed Frame is displayed 1 MEM 4 OPT ZX806 2 DSP 5 RESET 3 KEY MENU MAGIC...

Page 20: ...other and with the space of about 30 cm between them For UNIT2 To take the procedures of the steps 1 5 For UNIT2 4 For UNIT2 2 For UNIT1 1 For UNIT1 EXE For UNIT2 ON For both units 5 NOTE Enter the infra red transmission mode Enter the infra red transmission mode Enter the receiving mode Normal End DISPLAY 1 MEM 4 OPT ZX806 2 DSP 5 RESET 3 KEY 1 TRAN 2 RCV MASTER 1 MEM 4 OPT ZX806 2 DSP 5 RESET 3 ...

Page 21: ... procedure 1 To reset the receiving unit Please reset the unit used to receive the data from the customer s unit according to the method mentioned in section 4 2 To connect transmission unit with receiving unit Please remove the covers of button battery compartments from both the transmission unit and the receiving unit and connect one with another as shown in the figures below UNIT2 DP1 CP50 CP51...

Page 22: ...he short circuit operation as shown in the figure on the next page MENU 1 MENU 1 Cauti To Escape on Press AC KEY TEST Cauti To Escape on Press AC KEY TEST 0 TES To Escape 1 SVC Press AC KEY 0 TES To Escape 1 SVC Press AC KEY 0 TRN 1 RCV 0 TRN 1 RCV Receiving Sending MENU 1 MENU 1 Rcv Error Send Error TEST Over 2 seconds TEST Over 2 seconds AC AC EXE EXE 1 1 1 0 Receiving succeeded Sending succeede...

Page 23: ... 22 button battery Shortcircuit the two shorting pads with a shorting pin for over 2 seconds shorting pads Shorting pin ...

Page 24: ...1 Is the Heat seal defective Replace the Z806 1 ass y 2 Erratic display Are there short circuit around the pins of the LSI HC3009 01 F1 or between the 2 pins of the crystal oscillator 1 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 ...

Page 25: ...ck 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 C2...

Page 26: ...y 41 33 30 10 34 35 32 24 21 29 19 29 23 31 27 3 43 6 6 40 44 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 Z806 1 ass y 8 11 EXPLODED VIEW 25 ...

Page 27: ...50T 271K 1 1 1 1 5 C LED1 2370 0945 LED SIR 563SB3F P Q 1 1 1 1 10 C N LSI 6412 0440 COF3009 F1 sub ass y A314072 1 1 1 1 1 1 A Q1 2250 0700 Chip transistor 2SA1753 ES5 ES6 TB 1 1 1 1 20 C Q3 2200 4417 Chip transistor 2SA1179M5 M6 TB 1 1 1 1 20 C Q4 2221 0378 Chip transistor 2SC2812 L5 L6 TB 1 1 1 1 20 C Q5 6 2252 0945 Transistor 2SC4577 UT5 UT6 TB 2 2 2 2 20 C R11 2796 1505 Chip resistor RC210B51...

Page 28: ...Knob Z806B A211375 12 0 1 0 0 20 C 14 6409 4900 Knob L172AAA A211375 7 0 0 1 0 20 C 14 6409 3810 Knob L173BA A211375 5 0 0 0 1 20 C 15 6408 7540 Battery cover A L172 A313335 1 1 0 0 0 20 C N 15 6412 0530 Battery cover A Z806BH A313335 13 0 1 0 0 20 C 15 6409 4870 Battery cover A L172AHA A313335 8 0 0 1 0 20 C 15 6409 3850 Battery cover A L173BH A313335 6 0 0 0 1 20 C 16 6408 7550 Battery cover B L...

Page 29: ...nsulation seal L375 A45154 6 1 1 1 1 10 X 34 6408 6780 Buzzer adhesive tape L172 A45381 3 1 1 1 1 20 C 35 6408 6790 Tape B L172 A411609 4 1 1 1 1 20 C 36 6408 6820 Blind L172 A413625 3 1 1 1 1 20 C 37 6408 6830 Nut L172 A413891 2 1 1 1 1 20 X 38 6407 9930 Flat screw A L370 A310044 41 3 3 3 3 50 X 39 6391 8831 Rubber key V160 A311024 1 1 1 1 1 20 C N 40 6412 0340 Jack cover Z806AH A314069 1 1 0 0 0...

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

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