Casio LX-559, Service Manual & Parts Manual

Page 1: ...R SF 6300 LX 559 DEC 1994 SF 6300 with price...

Page 2: ...CONTENTS SPECIFICATIONS 1 SAVING DATA 4 LSI PIN FUNCTIONS 8 TROUBLESHOOTING 11 DIAGNOSTICS 12 SCHEMATIC DIAGRAM 19 ASSEMBLY VIEW 22 PARTS LIST 23...

Page 3: ...ute of input and 10 minutes of display in Telephone Directory Approximately 12 months for memory backup Auto power off Approximately 6 minutes after last key operation Ambient temperature range 0 C 40...

Page 4: ...remove only one battery at a time Otherwise you will lose all data stored in memory 4 Replace the old battery with a new one making sure that the positive side of the new battery is facing up so you...

Page 5: ...press the RESET button with a thin pointed object The following message appears on the display 4 Press Y to reset the memory and delete all data or N to abort the reset operation without deleting any...

Page 6: ...the receiving unit 1 Do the reset operation 2 Enter the calculator mode Set the date of receiving unit to February 3rd 1901 Operation Note The customer may have created a password to protect confiden...

Page 7: ...ATA COMM 5 Press 2 to select RECEIVE If the password isn t registered in the SF 6300 the display shows X instead of 1 1 SEND 2 RECEIVE 3 SET UP PAR DATA RECEIVE OK TO STOP PRESS ESC 1 TO SECRET AREA 2...

Page 8: ...COMM 4 Press to select SET UP 5 Use or to select N 7 and 9600 and press SET If the password isn t registered in the SF 6300 the display shows X instead of 1 FUNC 1 TO SECRET AREA 2 ALL DELETE 3 LABEL...

Page 9: ...thing If an error occurs during data transmission the message TRANSMIT ERROR appears on the display Press ESC to clear the error message 9 After data transmission is complete the display returns to th...

Page 10: ...used 13 WEB Out Write enable signal for LSI2 and LSI3 14 15 RA15 16 Out Address bus Not used 16 30 A0 14 Out Address bus 31 38 IO0 7 I O Data bus 39 54 KY0 15 I O Key signal 55 SW In Battery switch Po...

Page 11: ...V3 3 99 Minimum 2 71 Maximum V V4 4 64 Minimum 3 99 Maximum V 68 NC Not used 72 INTO In Low battery detection INTO 5 2 V No power on 73 STNT GND 0 V 74 VLCD In Power supply terminal 5 3 V S0 95 Out Se...

Page 12: ...EG1 S 81253 Output Voltage VDD 5 3 V 5 VOLTAGE DETECTOR DET1 RH5VL46CA 1 GND 2 VCC 3 VDD VDD GND VCC VREF RA RB 1 2 3 RI 1 OUT 1 2 3 VCC OUT GND Input Voltage VCC Output Voltage OUT VCC 5 2 V 5 2 V VC...

Page 13: ...t all SOLUTION Replace batteries Resolder Replace it Replace it Replace it Replace it Replace it Resolder Replace it CAUSE Battery shortage Poor soldering of the power supply circuit Defective LSI 1 o...

Page 14: ...wing illustration are covered by a blind label 3 To exit the diagnostic mode press the reset button To enter the diagnostic mode 1 Slide the battery switch to Replacement position 2 Slide it to Operat...

Page 15: ...he TEST MENU press Press 1 on the TEST MENU 1 ESC 2 3 4 5 DISP 4 RVS 1 WHITE 5 FRAME 2 BLACK 6 DOT4 3 CHECK 7 TIME Frame display All dots displayed Checker displayed Reverse checker display No display...

Page 16: ...ons of the numbered items on the display include 1 WR1 Writes the test pattern in the ROM to the RAM area Test pattern Incremental order 00 01 and so on 2 READ1 Compares the test pattern with the writ...

Page 17: ...e displayed address is within 0000 7FFF check LSI3 If the displayed address is within 8000 FFFF check LSI2 Value Address 07 00001 B5 00002 C7 00004 0B 00008 FF 00010 D6 00020 88 00040 20 00080 03 0010...

Page 18: ...key code as mentioned above If a key is pressed in the wrong order the SF 6300 beeps Operation Display Note Press 3 on the TEST MENU KEY 1 RANDOM 2 AUTO Key check To return to the TEST MENU press ESC...

Page 19: ...2 ALARM1 3 ALARM2 Buzzer check To return to the TEST MENU press Check the sound To return to the BUZZER menu press any key Press 4 on the TEST MENU EXECUTING ESC 1 or 2 3 BUZZER 1 BEEP 2 ALARM1 3 ALAR...

Page 20: ...18 SCHEMATIC DIAGRAM Main PCB...

Page 21: ...19 Key PCB...

Page 22: ...20 Key PCB Display Side...

Page 23: ...21 ASSEMBLY VIEW 6 9 10 19 16 15 14 13 12 11 17 20 18 26 23 21 22 25 27 28 24 30 29 11 32 11 31 33 34 35 36 37 38 39 40 41 42 22 23 25 43 46 45 44 47 8 7 5 2 3 4 1...

Page 24: ...C4 2845 1540 Chip capacitor MCH212F104ZK 1 1 20 4 C C5 2845 1652 Chip capacitor MCH215A180JK 1 1 20 3 C C6 2845 1652 Chip capacitor MCH215A180JK 1 1 20 3 C C7 2845 1540 Chip capacitor MCH212F104ZK 1 1...

Page 25: ...28 X N 27 6410 0140 Cap L525AM C312138 1 1 1 20 19 X N 28 6412 4190 VR blind L559AM C312383 1 1 1 10 28 X N 29 6412 4270 Tape HA L559AM C413742 1 1 1 20 10 X N 30 6410 0130 OP knob L525AM C312114 1 1...

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