Casio LX-551AQ Service Manual & Parts List Download Page 33

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Operation

Display

Note

Buzzer Check

BUZZER

1 BEEP
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.

BUZZER

1 BEEP
2 ALARM1
3 ALARM2

EXECUTING!!

1
( or 2 , 3 )

TEST

2 MEMORY

3 KEY
4 BUZZER

DISP

5 I/F

ESC

Press 4 on the TEST MENU.

Summary of Contents for LX-551AQ

Page 1: ...R SF 5300E LX 551AQ JAN 1995 with price SF 5300E...

Page 2: ...3 6 To select a mode 12 3 7 To check the memory status 12 3 8 To use the FUNCTION key 12 3 9 To switch the key input and alarm tones on and off 13 3 10 To select the system language 13 4 REPLACING THE...

Page 3: ...1 1 SCHEMATIC DIAGRAM 1 1 MAIN PCB...

Page 4: ...2 1 2 KEY MATRIX 1...

Page 5: ...18 CODE 13 CODE 12 CODE 19 CODE 20 CODE 14 CODE 09 CODE 08 CODE 15 CODE 10 CODE 05 CODE 04 CODE 11 CODE 06 CODE 00 CODE 07 CODE 01 CODE 03 CODE 02 KY1 KY2 KY3 KY4 KY5 KY6 KY7 KY8 KY1 KY2 KY3 KY4 KY5...

Page 6: ...Ambient temperature range 0 C 40 C 32 F 104 F Dimensions HWD Unfolded 8 4 x 139 x 148 mm 3 8 x 5 1 2 x 5 7 8 inches Folded 15 8 x 139 x 74 mm 5 8 x 5 1 2 x 2 7 8 inches Weight 115 g 4 oz Current consu...

Page 7: ...t any operation Press this key to enter the Expense Mode Press this key to display function menus Press this key to display the current Home Time and World Time Press this key to open a space at the c...

Page 8: ...nput data into memory Press this key to temporarily shift the keyboard for one character Press this key to input a space Press this key to display a menu of symbols on the display Press this key to en...

Page 9: ...data items are automatically sorted in alphabetical order according to the first letter in the NAME entry The following table shows the sequence used for data sorts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...

Page 10: ...ly 1905 under the following conditions 1 item per day 20 characters per item 30 days per month Starting time specified alarm time set Approximately 2177 under the following conditions 1 item per day 2...

Page 11: ...normal allowing further input and editing of data you must perform the RESET operation to clear the memory of all data Before doing so you may want to recall important data and write it down if you d...

Page 12: ...one preset for the secret area Error during data communications Data corrupted by strong impact electrostatic charge etc Attempt to store a label that is identical to one already stored Current search...

Page 13: ...you complete them and even note the date that you check them MEMO Memo Mode for storage of unformatted data in a kind of electronic notebook SCHEDULE Schedule Keeper Mode for storage of appointments...

Page 14: ...m tones on and off 1 Press FUNCTION once to display the first function menu In the Expense Mode you should press the FUNCTION key twice You cannot perform this operation in the Calculator Mode 2 Press...

Page 15: ...old battery with a new one Be sure that the positive side of the new battery is facing up so you can see it 4 Replace the battery holder and secure it by tightening its screw Be careful that you do no...

Page 16: ...s erase all data stored in the memory of the unit 1 Turn on the unit and press the RESET button with a thin pointed object 2 Press Y to reset the memory and delete all data or N to abort the reset ope...

Page 17: ...information from unauthorized access To be sure this password is transferred to the receiving unit be sure to set the date as described above ON MENU 6 2 TIME DATE 3 TIME DATE R M M SUN 1901 2 3 6 SA...

Page 18: ...ess to select RECEIVE If the password isn t registered in the SF 5300E the display shows X instead of 1 1 TO SECRET AREA 2 ALL DELETE 3 LABEL EDIT 4 DATA COMM 1 SEND 2 RECEIVE 3 SET UP PAR CAPS DATA R...

Page 19: ...E 3 SET UP PAR CAPS CAPS 1 SEND 2 RECEIVE 3 SET UP CAPS 2 Setting up the transmitting unit Set the hardware parameters as follows Parity None Bit length 7 BPS 9600 1 Press and 2 Press twice 3 Press to...

Page 20: ...elect ALL DATA 8 Press to start data transmission or to abort the operation without sending anything If an error occurs during data transmission the message TRANSMIT ERROR appears on the display Press...

Page 21: ...hip enable signal for LSI4 13 WEB Out Write enable signal for LSI2 and LSI3 14 15 RA15 16 Out Address bus 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 Batt...

Page 22: ...um 2 56 Maximum V 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 In Power supply terminal 5 3 V 74 VLCD In...

Page 23: ...11 DC PGM_ VCC NC VPP In Power supply terminal 5 3 V 30 GND In GND 0 V 38 CEB In Chip enable signal from LSI1 40 OEB In 0 V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33...

Page 24: ...EG1 S 81253 Output Voltage VDD 5 3 V 5 VDD GND VCC VREF RA RB 1 2 3 RI Input Voltage VCC Output Voltage OUT VCC 5 2 V 5 2 V VCC 5 2 V 0 V 7 5 VOLTAGE DETECTOR DET1 RH5VL46CA 1 2 3 VCC OUT GND 1 OUT 2...

Page 25: ...ace C8 C9 C10 C11 C12 or C13 Adjust the display contrast Replace the batteries Check another function Does the display appear by pressing the reset button Refer to No Erratic Display Do the batteries...

Page 26: ...soldering of LSI1 poor N Replace LSI1 Y START Is Pin 1 of DET1 5 2 V Replace DET1 Replace LSI1 Replace LSI1 Resolder Is Pin 11 of LSI1 sending the signal Replace LSI1 LSI2 LSI3 or LSI4 Does the rubber...

Page 27: ...2 5 V V3 2 7 V V4 3 9 V Is the soldering of LSI1 poor N Replace LSI1 Y Resolder High current consumption START Y N Are the capacitors C8 C9 C11 C12 and C13 OK N Y Is there any short circuit on the PCB...

Page 28: ...mode because the data will be changed by entering the diagnostic mode 2 The shorting pads shown in the following illustration are covered by a blind label 3 To exit the diagnostic mode press the rese...

Page 29: ...1 on the TEST MENU 3 4 5 SEARCH 1 2 Display check To return to the TEST MENU press ESC ACC CAPS SHIFT DISP 4 RVS 1 WHITE 5 FRAME 2 BLACK 6 DOT4 3 CHECK 7 TIME No display All dots displayed Checker di...

Page 30: ...items on the display include 1 Writes the test pattern in the ROM to the RAM area Test pattern1 Incremental order 00 01 and so on 2 Compares the test pattern with the write data WRITE1 of the RAM and...

Page 31: ...00 FFFF check LSI2 MEMORY 3 WR2 4 READ2 1 WR1 5 DUMP 2 READ1 6 CHKSUM 6 ESC TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 I F MEMORY 3 WR2 4 READ2 1 WR1 5 DUMP 2 READ1 6 CHKSUM MEMORY 3 WR2 4 READ2 1 WR1...

Page 32: ...key code as mentioned below If a key is pressed in the wrong order the SF 5300E beeps KEY 1 RANDOM 2 AUTO Press 3 on the TEST MENU No display Operation Display Note 2 Key check To return to the TEST...

Page 33: ...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 BUZZER 1 BEEP 2 ALARM1 3 ALARM2 EXECUTING 1 or 2 3 TEST 2 MEMORY MENU 3 KEY 4...

Page 34: ...case O 3 Loose the six screws on the PCB ass y 1 and N then remove the PCB ass y1 andN 4 Loose the screw and remove the battery cover R Loose the screws b then remove the battery holders P and the bat...

Page 35: ...k HSJ1169 012010 1 5 56 C Q1 6510 4760 Transistor BBX114YT103 1 20 27 C R5 6512 1380 Chip resistor CC1801D11E7 1 20 3 C R6 6512 1410 Chip resistor CC0473D11T3 1 20 3 C N R7 6512 1370 Chip resistor CC0...

Page 36: ...3 3690 Lower case KB FABDB221048 1 1 130 X 32 6511 8400 Rubber sheet LADB0220105 1 20 10 B 33 6512 1080 Nut MD100000602 3 20 13 X 34 6510 4440 Nut tape HGFC0001206 3 20 6 X 35 6408 5920 Switch knob as...

Page 37: ...MA0200651A...

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