SECTION 1
SERVICING NOTES
ROM VERSION CHECKFlexible Circuit Board Repairing
Y This system have ROM version check function consequentlY Keep the temperature of the soldering iron around 270 uC duringy key
set up of when power on.repairing.
(No need in open the main body)Y Do not touch the soldering iron on the same conductor of the
1) Press three b[ENTER]uttons , [EXIT], and [POWER] simul-circuit board (within 3 times).
taneously, in the power off.Y Be careful not to apply force on the conductor when soldering or
2) Fluorescent indicator tube indicate ROM version about 1 sec-unsoldering.
ond, and restart system.
Notes on chip component replacement
Y Never reuse a disconnected chip component.
Y Notice that the minus side of a tantalum capacitor may be dam-
Ver 1.00aged by heat.
CAUTION
UPDATING THE ROM (IC704) VERSIONDanger of explosion if battery is incorrectly replaced.
The ROM version may be updated in order to fix the bugs or addReplace only with the same or equivalent type recommended by
the functions. OAll Initialize!!� is displayed and internal data are
the manufacturer.
automatically initialized, if the power is turned on after replacingDiscard used batteries according to the manufacturerOs instructions.
the ROM. In this case, the user preset data and system data cannot
be restored. Please notify the users of this matter.
If the same version ROM was replaced for repair, not for versionADVARSEL!
updating, the data are not initialized unless internal data are dam-Lithiumbatteri-Eksplosionsfare ved fejlagtig h�ndtering.
aged.Udskiftning m� kun ske med batteri
Nevertheless, to avoid a trouble, it is recommended to save interaf samme f-abrikat og type.
nal data using the Data Filer, etc.LevŽr det brugte batteri tilbage til leverandżren.
The initial version of the ROM will be Ver.1.00 part No. 8-759-
499-74.
ADVARSEL
Note:Internal data mentioned above are all saved in the IC702 (CY6225LL)
when the power is turned off.Eksplosjonsfare ved feilaktig skifte av batteri.
Benytt samme batteritype eller en tilsvarende type
REPLACING THE BATTERYanbefalt av apparatfabrikanten.
The built-in battery must be replaced, if OBattery LoBrukte batterier kasseres i henhold til faw!� is dis-brikantens
played at the power ON. When the battery was used up com-instruksjoner.
pletely, internally saved data (system data, user preset data, etc.)
are all cleared, and OExt. RAM Error!� OAll Initialize!!� are dis-VARNING
played at the power ON, then the data are initializExplosionsfared to the fa vid felaktigt batteribactoryyte.
setting automatically. In this case, the user prAneset davÅ nd samma bata and systemtterityp eller en likvÅ rdig typ som
data cannot be restored. Please notify the users of this ma rekommenderas atterv a.pparattillverkaren.
Unless OExt. RAM Error� OAll Initialize!!� are displaKassera anyed avŠnt batteri enligt gŠllande fšreskriftert the.
power ON, internal data are still saved, and in this case, internal
data are kept unchanged if the battery is replaced while the powerVAROITUS
is turned on.Paristo voi rÅ jÅ htÅ Å , jos se on virheellisesti asennettu.
To avoid a trouble, it is recommended to save internal daVaihda paristo ainoastaan laiteta usingvalmistajan suosittelemaan tyyppiin.
the Data Filer, etc.HÅ vitÅ kÅ ytetty paristo valmistajan ohjeiden mukaisesti.
This information is given to the users on page 19 of the Operation
Manual.
� 3 � |
ACEC
SONY
