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5.

OPERATION REFERENCE

5-1. RESET OPERATION

The following procedure erases all data stored in the memory of the SF Unit.
Perform the following operation only when you want to delete all data and initialize the settings
of the SF Unit.
Remember-you should always keep copies of important data by writing it down, by transferring
it to a personal computer or other SF Unit.

To reset the SF Unit's memory

1. Switch on power and press the RESET button with a thin, pointed object.

Warning!
The next step deletes all data stored in the SF Unit's memory.  Make sure that you really want
to delete the data before you continue!

2. Press Y* to reset the memory and delete all data or N to abort the reset

operation without deleting anything.

* Note that the letter key you press to indicate "yes" depends on the

system language, as noted below.

English: Y

Spanish: S

German: J

French: O

Italian: S

Following the reset operation described above, the Home Time display appears and the SF
Unit setting are initialized as noted below.

Home Time:

12-hour format
JAN/1/1994
AM/12:00 00

Zone:

London(LON)

World Time:

New York(NYC)

Daily Alarm:

12:00 PM

Menu Mode:

Telephone mode

Language:

English

ALL   DATA
CLEAR!

OK?                  Y/N

CAPS

RESET

RESET button

Summary of Contents for LX-594A

Page 1: ...JUN 1994 R with price SF 4400 LX 594A SF 4600B LX 594E F SF 4400 SF 4600B...

Page 2: ...10 5 1 RESET OPERATION 10 5 2 TO ADJUST THE DISPLAY CONTRAST 11 5 3 TO CHECK THE MEMORY STATUS 11 5 4 THE SOUND MENU 11 6 LSI IC Pin function 12 6 1 CPU 12 6 2 RAM PD43256G 101215LL LSI2 LSI3 13 6 3...

Page 3: ...1 1 SCHEMATIC DIAGRAM 1 1 MAIN PCB NOTE 1 LSI4 R3 R11 are not mounted 2 R1 R2 are not used...

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

Page 5: ...ly 450 hours continuous operation in Telephone Directory Approximately 380 hours repeating one minute of input and 10 minutes of display in Telephone Directory Approximately 12 months for memory backu...

Page 6: ...ns 1 item per day 20 characters per item 30 days per month Starting time specified alarm time set Approximately 2190 1020 for SF 4400 under the following conditions 1 item per day 20 characters per it...

Page 7: ...the old battery with a new one making 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 sure careful t...

Page 8: ...chine 4 DATA TRANSFER SF 4400 SF 4600B can transfer customers data to other SF 4400 SF4600B with memory protection only when replacing the LCD or the outer case How to transfer the data Before connect...

Page 9: ...ct the two SF Units using the optional SB 60 62 cable You can also connect them using an SB 60 62 cable Important Be sure to replace the connector covers on the SF Units when you are not performing da...

Page 10: ...tion while the initial screen of the Memo Mode Schedule Keeper Calendar or Reminder is displayed also 2 Press 4 to select DATA COMM 3 Press 2 to select RECEIVE 6 Set up the customer s machine 1 While...

Page 11: ...ar To abort the send operation at any time press ESC If an error occurs during the send operation the message TRANSMIT ERROR appears on the display Press ESC to clear the error message 6 After the sen...

Page 12: ...etes all data stored in the SF Unit s memory Make sure that you really want to delete the data before you continue 2 Press Y to reset the memory and delete all data or N to abort the reset operation w...

Page 13: ...ephone Directory Mode You could enter any mode except the Calculator mode here 2 Press SHIFT and confirm that the S indicator is on the display 3 Press CONT 4 Use the and keys to adjust the contrast 5...

Page 14: ...WEB Out Write enable signal for RAM 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 On L 0 V Off H 6 V...

Page 15: ...d 72 INTO In Low battery detection INTO 5 2 V No power on 73 STNT VDD 5 3 V 74 VLCD In Power supply 5 3 V 75 171 S0 95 Out Segment signal for display 172 199 C5 32 Out Common signal for display 168 20...

Page 16: ...RI 1 2 3 VDD OUT VSS 6 3 VOLTAGE REGULATOR S 81253SGUP REG1 Output Voltage Vout 5 3V 5 6 4 VOLTAGE DETECTOR S 80752AN DET1 Detection Voltage VDET 5 2V 2 5 5 07V MIN 5 33V MAX Input voltage Output vol...

Page 17: ...h the battery springs Adjust contrast Replace batteries Check other function Refer to No Erratic display Adjust contact and clean battery spring N Y Y N N Y Y N N Is contrast adjustment OK Is power of...

Page 18: ...eplace CPU LSI1 Does RAM make positive contact with PCB Y N Resolder RAM LSI2 or LSI3 Does key make positive contact with PCB Ass y Y DoesCPUmakepositivecontactwithPCB N Replace CPU LSI1 Y Resolder CP...

Page 19: ...LSI1 make positive con tact with PCB CONTRAST MAX Resolder Y N Resolder Replace CPU IC Y High current consumption Y Check PCB Is there any short circuit Y N Are the several capacitors OK Replace capac...

Page 20: ...isplay Checker display Reverse checker display 1 2 3 5 6 7 TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 I F DISP 4 RVS 1 WHITE 5 FRAME 2 BLACK 6 DOT 4 3 CHECK 7 TIME Main menu Display check 1 1 4 2 3 4...

Page 21: ...orners TIME DISPLAY 00 00 00 14 Check the key No appears on the display Check the key sounds To return to the menu mode enter SEARCH HOME WORLD MENU OFF ON INS DEL TIME DATA DISP CHNG ESC FUNC P CAPS...

Page 22: ...1 sound 15 16 17 18 19 20 21 Buzzer check TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 EXT BUZZER 1 BEEP 2 ALARM1 3 ALARM2 4 2 BUZZER 1 BEEP 2 ALARM1 3 ALARM2 TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5...

Page 23: ...few seconds MEMORY 3 WR2 4 READ2 1 WR1 5 DUMP 2 READ1 6 CHKSUM EXECUTING COMPLETE 32KB 64KB 2 TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 EXT ESC ESC 23 24 Check sound If RAM has defect error message...

Page 24: ...23 1 2 3 4 5 6 9 7 8 10 11 12 13 14 15 19 17 18 20 22 23 24 25 26 27 30 31 32 33 LSI 34 16 21 28 29 9 ASSEMBLY VIEW...

Page 25: ...3501 6538 Jack HSJ1169 012010 1 1 20 56 C N 1 3335 4599 LCD CD773 TS 1 1 1 490 A N 2 5610 7830 Heat seal L594AM C311912 2 1 1 1 110 A N 3 6408 9410 Battery contact spring B C311911 2 2 2 20 6 C N 4 64...

Page 26: ...DB2AXX4A00M 1 1 1 10 30 C N 13 6408 9170 Battery cover L594AM C211308 2 1 0 10 27 X N 13 6408 9230 Battery cover L594EM C211308 3 0 1 10 27 X N 14 6408 9180 Battery cover label L594AM C413061 2 1 1 2...

Page 27: ...1 130 X N 32 6408 9040 Key top set B L594AM C311917 2 1 0 10 40 X N 32 6408 9050 Key top set B L594EM C311917 3 0 1 10 40 X N 33 6408 9080 Key top set C L594AM C311918 2 1 0 20 13 X N 33 6408 9090 Ke...

Page 28: ...MA0900741A...

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