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Precautions

Before installation, be sure to disconnect the AC power.

Use gloves to protect your hands from being cut by the angle
and the chassis.

Connect all the cables securely. When connecting or
disconnecting the cables, be careful not to apply stress to the
cables. (It may cause disconnection.)

Ground the human body to eliminate static electricity. When
assembling the LCD, use a discharge blower to prevent the
introduction of dust.

Be careful when working near the high voltage transformer.

1. Removing the rear cover

1) Remove the two screws 

 fixed on the lower cabinet.

2) Remove the rear cover 

.

2. Replacing the rear cover

Install the rear cover in the reverse order of removing.

3. Removing the top cabinet

1) Remove the two screws 

 fixed on the lower cabinet.

2) Remove the top cabinet.

a) Lift the rear edge of the top cabinet in the direction of arrow 

.

b) Slide the top cabinet in the direction of arrow 

 and remove

three pawls of the bottom cabinet at the same time. (Be care-
ful not to break the pawls.
)

c) Lift the top cabinet and put it straight in the direction of arrow

.

(Be careful not to pull the cable between the top cabinet
and the main PWB.)

d) Pull and remove the following cables between the top cabinet

and the main PWB.

Cable 

 between the main PWB and the invertor PWB:

(CN13)

Cable 

 between the main PWB and the LCD: (CN10)

Cable 

 between the main PWB and the CKDC PWB:

(CN8)

e) Remove the earth wire 

 and 

.

1

2

Fig. 1

A

B

1

1

Fig. 2

C

3

2

6

4

5

Fig. 3

Summary of Contents for ER-A770

Page 1: ... Board UP P02MB2 4 10 RS232 I F ER A7RS 4 11 MCR unit UP E12MR 5 12 Drawer box unit ER 03DW 04DW 5 13 Customer display UP I16DP 5 14 Remote display UP P16DP 6 15 How to extend display pole UP P16DP 7 16 SRN I F Standard 8 17 RS232 I F Standard 8 CONTENTS Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safe...

Page 2: ...onnected to the system unit UP P16DP cable Inline cable RS232 cable ERA 7RS RS232 cable Drawer earth cable AC cord Drawer cable USE FONT Helvetica Helvetica Condensed Century Schoolbook Symbol OriginalFonts RingWorld2 RingFont2 Pa Symbol PartsCod ...

Page 3: ...ver Install the rear cover in the reverse order of removing 3 Removing the top cabinet 1 Remove the two screws fixed on the lower cabinet 2 Remove the top cabinet a Lift the rear edge of the top cabinet in the direction of arrow b Slide the top cabinet in the direction of arrow and remove three pawls of the bottom cabinet at the same time Be care ful not to break the pawls c Lift the top cabinet a...

Page 4: ...the AC cord to the power supply unit in as sembly tighten with the torque of 3 kg cm 1 kg cm 7 Removing and replacing the keyboard unit The keyboard unit is fixed to the top cabinet with screws Fixed Screw parts code Boss No Fixing position Earth wire PWB angle Keyboard unit Top cabinet Earth wire PWB angle Keyboard unit Top cabinet Earth wire PWB angle Keyboard unit Top cabinet PWB angle Keyboard...

Page 5: ...xpansion RAM Board into the option RAM connector b Insert that the Expansion RAM Board is locked by the arms of option RAM connector as s indicated in Fig 7 It is possible to install one UP P02MB2 Install the Expansion RAM Board with the notch part of the PWB Figure A come right Installing the Expansion RAM Board in the wrong direction may damage the connector part or make the machine out of order...

Page 6: ... three screws 12 Drawer box unit ER 03DW 04DW 1 Connect the drawer cable to the drawer connector 2 Fix the earth wire from drawer box unit with the screw 3 Install the ferrite Core to the drawer cable 4 Fix the drawer cable with the cable holder and tighten the screw on the back of lower cabinet or 13 Customer display UP I16DP 1 Remove the rear display cover 2 Change the display filter 1 2 RS232 c...

Page 7: ...er it 6 Connect to the display cable to the display connector 7 Install the core on the cable and secure the cable with the clamp 8 Install the display cover 14 Remote display UP P16DP When the remote display is installed service resetting is required 1 Connect to the Display cable to the display connector 2 Fix the earth wire from the display unit with screw Note The ER A770 can only support 1 ty...

Page 8: ...table 4 1 Remove the five screws 2 Remove the Base angle 3 Remove the two screws 4 Remove the Base cabinet from the pole cabinet 5 Turn the ratchet connected to the pole cabinet to the removing position and pull it out from the display unit as shown in Fig A 6 Remove the two screws 7 Remove the pole cabinet from the Ratchet 8 Install the attached pole cabinet to the pole cabinet to fix it with the...

Page 9: ...nect to the SRN cable to the SRN connector 2 Install the Ferrite core to the SRN cable 3 Install the Nylon band to the SRN cable Using the terminal resistor 50 ohm QCNCM7145RCZZ Insure that the system is terminated at each 17 RS232 I F Standard 1 Connect the RS232 cable to the connector 2 Install the ferrite Core to RS232 cable 3 Install the ferrite core to the cables 13 13 14 14 15 15 Fig 19 Fig ...

Page 10: ...ed storedinaretrievalsystem ortransmitted Inanyformorbyanymeans electronic mechanical photocopying recording orotherwise withoutpriorwrittenpermissionofthepublisher SHARP CORPORATION Information Systems Group Quality Reliability Control Center Yamatokoriyama Nara 639 1186 Japan 2000 May Printed in Japan ...

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