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6. MAIN UNIT REPLACEMENT

EO18-11006A

6.4 Replacing the LCD Ass’y

6- 6

6.4

Replacing the LCD Ass’y

1)

Remove the Top Cover Ass’y. (Refer to

Section 6.1 Removing the Top Cover Ass’y

.)

2)

Release the two hooks which secure the FIU Panel on the rear side of the Top Cover, then remove the FIU
Panel.

3)

Release the two hooks which secure the FIU PC Board Ass’y.

4)

Release the three hooks which secure the LCD Ass’y, then remove the LCD Ass’y.

Hook

FIU Panel

FIU PC Board Ass’y

Hook

FIU PC Board Ass’y

Hook

LCD Ass’y

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Summary of Contents for MA-600 Series

Page 1: ...nce Manual NOTE Model names that end with R are RoHS compliant models If R is not attached that model is non RoHS compliant Never install non RoHS compliant optional equipment or parts on a RoHS compl...

Page 2: ...NOTES 1 Manual instructions must be followed when installing option kits or adding cables to avoid system failures and to insure proper performance and operation 2 Failure to follow manual instructio...

Page 3: ...3 3 4 ROM Test 3 4 3 5 RAM Test 3 5 3 6 Print Test H consecutive 3 6 3 7 RS 232C Loop Back Test 3 7 3 8 USB Test 3 8 3 9 Keyboard Test 3 9 3 10 Drawer Open Test 3 10 3 11 Thermal Printer Test 3 11 3 1...

Page 4: ...unokuni shi Shizuoka ken JAPAN Pictures and figures of the QP model are used in this manual for instance Page 6 MAIN UNIT REPLACEMENT 6 1 6 1 Removing the Top Cover Ass y 6 1 6 2 Replacing the MAIN PC...

Page 5: ...wer cord to charge the ECR for 48 hours or more and then perform a RAM clear resulting that the ECR performs normally 1 Open the carton 2 Take the accessories out of the carton 3 Take out the ECR and...

Page 6: ...jklm no pq rstuvw xyz Ab cd efgh ijklm no pq rstuvw xyza bc de fghijklm no pq rstuvw xyz ab cd efgh ijklm no pq rstuvw xyz Ab cd efgh ijklm no pq rstuvw xyza bc de fghijklm no pq rstuvw xyz KRDC 600 Q...

Page 7: ...of the ECR 4 Attach the connector label beside the drawer connector as shown in the figure 5 Connect the remote drawer harness to the remote drawer cable 6 Insert the modular connector of the remote...

Page 8: ...in the figure At this time secure the earth wire of the remote drawer harness together 8 Insert the drawer cable which was disconnected in Step 3 into the DRW1 connector then reassemble in the revers...

Page 9: ...AM Test 80 X 4 AT TL 5 Print Test H consecutive 80 X 5 AT TL 6 RS 232C Loop Back Test 80 X 6 ST n AT TL 7 USB Test 80 X 13 AT TL 8 Keyboard Test 80 X 14 AT TL 9 Drawer Open Test 80 X 15 AT TL 10 Therm...

Page 10: ...urnal 2 When the power is turned OFF during the test it will be resumed at the power on time unless the Mode Lock position is BLIND 3 When the paper is set on the remote slip printer the test is also...

Page 11: ...est pauses when the ITEM CORR key is pressed and a receipt is issued NOTES 1 The above characters are repeatedly displayed by scrolling to the left until the ITEM CORR key is pressed 2 When the power...

Page 12: ...s issued then the test ends automatically NOTE In the Receipt OFF mode the print data is printed only on the journal 10 31 2005 MON 0 P80 DIAG 03 MA 600 QP V 999 999 00Z BOOT SUM V 999 999 9999 OS APL...

Page 13: ...play No function 5 Quit The receipt is issued then the test ends automatically NOTES 1 The test checks the RAM and the result is printed 2 The RAM is checked in unit of 1 byte 3 In the Receipt OFF mod...

Page 14: ...mode the print data is printed only on the journal 2 When the power is turned OFF during the test it will be resumed at the power on time unless the Mode Lock position is BLIND 3 When the paper is set...

Page 15: ...key NOTES 1 In the Receipt OFF mode the print data is printed only on the journal 2 When the power is turned OFF during the test it will be resumed at the power on time unless the Mode Lock position i...

Page 16: ...ECR with a USB cable 2 Operation Mode Lock BLIND Key Operation 80 X or FOR 13 AT TL 3 Print format 4 Display No function 5 Quit The receipt is issued then the test ends automatically NOTE In the Recei...

Page 17: ...ay 7 segment display 5 Quit The test ends by pressing the AT TL key twice D 1 1 4 Sum of the hard key codes Hex 0000H to FFFFH The sum of the pressed hard key codes is displayed in hex Even if the sam...

Page 18: ...sed The drawers are opened in the order of drawer 1 and drawer 2 at one second interval 5 Quit The test ends by pressing the ITEM CORR key or by closing the drawer NOTES 1 When the power is turned OFF...

Page 19: ...rror Name Error No Head temperature error Receipt printer 1 Head temperature error Journal printer 2 Head voltage error both of Receipt and Journal printers 3 Receipt cover open error 4 Journal head o...

Page 20: ...the odd columns are displayed Whenever the ITEM CORR key is pressed dots in the even columns dots in the odd lines dots in the even lines all dots on off action of the backlight and all reversed dots...

Page 21: ...Print format 4 Display No function 5 Quit The receipt is issued then the test ends automatically NOTES 1 The test checks the RAM and the result is printed 2 In the Receipt OFF mode the print data is p...

Page 22: ...format 4 Display No function 5 Quit The receipt is issued then the test ends automatically NOTES 1 The test checks the RAM and the result is printed 2 In the Receipt OFF mode the print data is printe...

Page 23: ...96 X or FOR 0 AT TL to clear all key input count 3 Print format 4 Display No function 5 Quit The receipt is issued then the test ends automatically NOTES 1 The key input count is not cleared even if a...

Page 24: ...ends automatically NOTES 1 The number of totally printed lines will not be cleared even when a RAM Clear or Data Clear is performed 2 In the Receipt OFF mode the print data is printed only on the jou...

Page 25: ...perform each test and to print the test result For the print test display test keyboard test and drawer open test enter the test result by pressing the ST key if it is good or the ITEM CORR key if it...

Page 26: ...e ST or ITEM CORR key to enter the test result of the drawer 1 3 For the display test enter the test result twice to confirm the lighting of all dots and segments and the scrolling display The test re...

Page 27: ...TL n Code No 0 to 4 Default 3 115 Code No Print Tone 0 70 1 85 2 100 3 115 4 130 3 Print format 4 Display 7 segment display When the ST key is pressed in the above key operation the current setting is...

Page 28: ...detergent After using detergent for cleaning be sure to wipe it off with a moistened cloth Soft dry cloth or soft cloth slightly moistened with mild detergent 3 Cleaning the keyboard Wipe the key top...

Page 29: ...n 6 4 Replacing the LCD Ass y Replace the MAIN PC Board Refer to Section 6 2 Replacing the MAIN PC Board Ass y Nothing is displayed FIU 7 segment display Failure of the FIU PC Board Failure of the MAI...

Page 30: ...e the KBIU PC Board Refer to Section 6 7 Replacing the KBIU PC Board Ass y Replace the MAIN PC Board Refer to Section 6 2 Replacing the MAIN PC Board Ass y Printer does not print Failure of the FPC Ca...

Page 31: ...replacing the main parts This chapter describes replacement procedures for the following main parts MAIN PC Board Ass y Power PC Board Ass y LCD Ass y FIU PC Board Ass y RIU Unit KBIU PC Board Ass y...

Page 32: ...raised release the three hooks on the front side of the Top Cover then release those on the back side to remove the Top Cover Ass y 4 Disconnect the LCD Ass y Cable and the KBIU PC Board Ass y Cable f...

Page 33: ...e and then perform a RAM clear resulting that the ECR performs normally 1 Remove the Top Cover Ass y Refer to Section 6 1 Removing the Top Cover Ass y 2 Disconnect the following five cables from the M...

Page 34: ...e CNTR2 Plate and the two hexagon screws which secure the serial interface connector then remove the CNTR2 Plate from the MAIN PC Board Ass y 6 Replace the MAIN PC Board Ass y with a new one and then...

Page 35: ...2 Disconnect the Transformer Cable and the MAIN PC Board Ass y Cable from CN2 and CN1 on the Power PC Board Ass y 3 Remove the two screws which secure the Power PC Board Ass y then release the hook t...

Page 36: ...oving the Top Cover Ass y 2 Release the two hooks which secure the FIU Panel on the rear side of the Top Cover then remove the FIU Panel 3 Release the two hooks which secure the FIU PC Board Ass y 4 R...

Page 37: ...eplacing the LCD Ass y 6 7 5 Replace the LCD Ass y with a new one and then reassemble in the reverse order of removal 6 Make a display test in the diagnostic test to check the operation of the new LCD...

Page 38: ...er Ass y Refer to Section 6 1 Removing the Top Cover Ass y 2 Disconnect the FIU Cable from CN6 on the KBIU PC Board Ass y 3 Let the FIU Cable off the Cable Guide 4 Release the two hooks which secure t...

Page 39: ...secure the FIU PC Board Ass y 6 Replace the FIU PC Board Ass y with a new one and then reassemble in the reverse order of removal 7 Make a display test in the diagnostic test to check the operation o...

Page 40: ...6 1 Removing the Top Cover Ass y 2 Disconnect the RIU Cable from CN8 on the KBIU PC Board Ass y then remove the RIU Unit from the Top Cover Ass y 3 Let the RIU Cable off the Cable Guides 4 Replace the...

Page 41: ...6 MAIN UNIT REPLACEMENT EO18 11006A 6 6 Replacing the RIU Unit 6 11 5 Make a display test in the diagnostic test to check the operation of the new RIU Unit Refer to Section 3 3 Display Test...

Page 42: ...rom Mode Lock CN6 10 pins from FIU PC Board Ass y CN3 14 pins from Keyboard CN8 9 pins from RIU unit CN5 9 pins from Keyboard NOTE When disconnecting the Keyboard FPC Cable release the connector by pu...

Page 43: ...6 MAIN UNIT REPLACEMENT EO18 11006A 6 7 Replacing the KBIU PC Board Ass y 6 13 4 Replace the KBIU PC Board Ass y with a new one and then reassemble in the reverse order of removal...

Page 44: ...e Keyboard FPC Cables from CN3 and CN5 on the KBIU PC Board Ass y NOTE When disconnecting the Keyboard FPC Cable release the connector by pulling up the upper part then disconnect the Keyboard FPC Cab...

Page 45: ...g the Keyboard Unit 6 15 4 Replace the Keyboard Unit with a new one and then reassemble in the reverse order of removal 5 Make a keyboard test in the diagnostic test to check the operation of the new...

Page 46: ...necting the Printer FPC Cable release the connector by pulling up the hooks then disconnect the Printer FPC Cable If forcedly pulled the cable may be damaged 3 Remove the screw which secures the Recei...

Page 47: ...oval 6 Make a printer test in the diagnostic test to check the operation of the new printer Refer to Section 3 2 Print Test H All characters NOTE When reassembling secure the Printer PWB Plate which s...

Page 48: ...rd Ass y then remove the screw which secures the Journal Printer When disconnecting the Printer FPC Cable release the connector by pulling up the hooks then disconnect the Printer FPC Cable If forcedl...

Page 49: ...with a new one and then reassemble in the reverse order of removal 6 Make a printer test in the diagnostic test to check the operation of the new printer Refer to Section 3 2 Print Test H All charact...

Page 50: ...ss y Receipt Side 1 Push the Release Button and fully open the Receipt Cover 2 Remove the two screws which secure the Platen Roller Ass y then remove the Platen Roller Ass y 3 Replace the Platen Rolle...

Page 51: ...ver then push the Release Button to raise the Journal Paper Retainer 2 Remove the two screws which secure the Platen Roller Ass y then remove the Platen Roller Ass y 3 Replace the Platen Roller Ass y...

Page 52: ...placing the Platen Roller Ass y 6 22 NOTE When reassembling attach the Platen Roller Ass y so that the protrusion fits into the hole on the left side of the Platen Roller Ass y The protrusion should f...

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