Sharp AR-FR4M20 (serv.man3) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Ltd., Technical Services Group
ARE777
1. Model Name
ARP300/P350/P450/M300/M350/M450/FR4M20/FR4U/FR5E20
2. Description
ROM upgrade 18, implementation of Main and Boot ROM version upgrades.
Model Name
AR-P350/P450
ROM Control No.
MAIN
PCU
O00
VeJ.10,
V9.04.
Model Name
AR-M350/M450
ROM Control No.
MAIN
BOOT
PCU
SCANNER
O00
VmJ.10,
Vm5.03A
V9.04.
V06.04
Model Name
AR-M300
ROM Control No.
MAIN
BOOT
PCU
SCANNER
L00
VmJ.10,
Vm5.03A
V9.04A
V06.04
Model Name
AR-P300
Model Name
AR-P14
ROM Control No.
MAIN
PCU
ROM Control No.
MAIN
BOOT
L00
Vej.10,
V9.04A
O00
VpJ.10,
Vm5.03A
Model Name
AR-FR4M20
AR-FR4U
AR-FR5E20
ROM Control No.
MAIN
BOOT
MAIN
BOOT
MAIN
C00
VM.21
Vm5.03A
Vm.50,
Vm5.03A
VE.21
ROM upgrade…..18
TECHNICAL BULLETIN
Date:
2
nd
August 2005
Model:
ARM300/350/450/P300/
P350/P450/FR4M20/FR4U/
FR5E20/P14
P350/P450/FR4M20/FR4U/
FR5E20/P14
Ref.:
001
Colour:
White
Page:
1 of 2
Sharp Electronics (UK) Ltd., Technical Services Group
ARE777
Implementation starts during May 2005 production
Changed items: Change in specifications
1. For MAIN and BOOT, a new flash ROM device "LHF00L14" is used. Change is made so that
firmware upgrades and such of these new devices can also be performed.
2. Concomitantly with image compression (expansion) IC change due to environmental measures,
automatic detection and control processing are added so that support can be provided for the
IC after the change.
IC after the change.
3. Concomitantly with change in controller ICs for HDDs due to environmental measures, change
is made so that support can be provided for the IC after the change.
Display