JVC EX-A1 Service Manual

(No.MB150)1-23
4.3.2 About UPGRADE of DVD UNIT firm 4.3.3 About UPGRADE of SYSTEM MICOM.
(ROM CORRECTION)
*This set can upgrade the DVD unit firm
using UPGRADE DISC.
Push "OP/CL" key of center unit,
then DVD Tray opens.
Confirm condition, source:DVD,
indication:"NO DISC"
Push the "POWER" key of center unit,
then becomes stand-by condition.
Insert the
UPGRADE DISC.
Push "OP/CL" key of center unit,
then tray closes.
When FL display shows "UPGRADE",
upgrade automatically starts.
After tray automatically opens,
remove the UPGRADE DISC.
Push "OP/CL" key of center unit,
then tray closes.
Push the "POWER" key of center unit,
then becomes stand-by condition.
The upgrade is finished.
*This set can upgrade the SYSTEM MICOM
using UPGRADE DISC.
Push "OP/CL" key of center unit,
then DVD Tray opens.
Confirm condition, source:DVD,
indication:"NO DISC"
Push the "POWER" key of center unit,
then becomes stand-by condition.
Insert the
UPGRADE DISC.
Push "OP/CL" key of center unit,
then tray closes.
When FL display shows
"UPGRADE" "ROM CORR",
upgrade automatically starts.
After tray automatically shows
"COMPLETE" opens, remove
the UPGRADE DISC.
Push "OP/CL" key of center unit,
then tray closes.
Push the "POWER" key of center unit,
then becomes stand-by condition.
The upgrade is finished.
Unplug power cord.
FL displayPOWER
OPEN/CLOSE
Tray

JVC EX-A1 Specifications

General

Speakers	2, Real Cherrywood
I/O ports	21-pin SCART Out Audio Out (Optical/Subwoofer) Audio In (Analogue) Headphone Out
Output power description	2 x 41W
Disc types supported	CD, DVD-R, DVD-RW
Radio Data System (RDS)	Yes
Preset stations quantity	45
Cassette deck	No
Magnet type	Neodymium
Audio decoders	Dolby Digital, DTS