ER-A410, ER-A420 V2 (serv.man6). ERA410 420 ROM Loading Procedure (Via eprom) - Sharp ECR Technical Bulletin (repair manual)

er-a410, er-a420 v2 (serv.man6) technical bulletin
Model
ER-A410 ER-A420 V2 (serv.man6)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
99.09 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
ECR / ERA410 420 ROM Loading Procedure (Via eprom)
File
er-a410-er-a420-v2-sm6.pdf
Date

Read Sharp ER-A410 / ER-A420 V2 (serv.man6) Technical Bulletin online

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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ERA420
ROM UPGRADE
Procedure to upgrade the ERA420 ROM IMAGE
Before working on the installation, unplug the AC code from the AC outlet.
1. Open the top cabinet.
2. Set the IPL switch (S1) to ROM COPY position.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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3. Install the IPL ROM to the IC socket of the MAIN PWB.
4. Turn the mode key switch to SRV’ position, and insert AC plug in AC outlet.
5. Turn the mode key switch to SRV position. The IPL procedure is started.
When the procedure is completed, the message of “Completed.” Is shown.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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6. Unplug the AC code from the AC outlet.
7. Remove the IPL ROM to the IC socket of the MAIN PWB.
8. Set the IPL switch (S1) to GND position.
9. Replace the top cabinet.
10. Perform the master reset.
Turn the mode key switch to the SRV’ position, insert AC plug in AC outlet.
While holding down Journal feed key, turn to SRV position from SRV’
position.
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Download Sharp ER-A410 / ER-A420 V2 (serv.man6) Technical Bulletin

Here you can read online and download Sharp ER-A410 / ER-A420 V2 (serv.man6) Technical Bulletin in PDF. ER-A410 / ER-A420 V2 (serv.man6) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp ER-A410 / ER-A420 V2 (serv.man6) ECR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.