Sony WX-850BT Service Manual page 4

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WX-850BT/900BT/900BTM
Ver. 1.1
REPLACING THE LITHIUM BATTERY OF THE REMOTE
COMMANDER (850BT, 900BT: US, Canadian, E, Indian,
Australian models and 900BTM only)
Under normal conditions, the battery will last
approximately 1 year. (The service life may be
shorter, depending on the conditions of use.)
When the battery becomes weak, the range of the
remote commander becomes shorter.
CAUTION
Danger of explosion if battery is incorrectly
replaced. Replaced only with the same or
equivalent type.
Notes on the lithium battery
Keep the lithium battery out of the reach of children.
Should the battery be swallowed, immediately
consult a doctor.
Wipe the battery with a dry cloth to ensure a good
contact.
Be sure to observe the correct polarity when installing
the battery.
Do not hold the battery with metallic tweezers,
otherwise a short-circuit may occur.
WARNING
Battery may explode if mistreated.
Do not recharge, disassemble, or dispose of in
fire.
4
+ side up
MODEL IDENTIFICATION
Distinguish by Part No. on the bottom side of the main unit.
– Bottom view –
(US, Canadinan, AEP and UK models)
Part No.
– Bottom view –
(E, Indian and Australian models)
Part No.
Part No.
4-575-528-0[]
WX-900BT: US and Canadian models (UC)
4-575-529-0[]
WX-900BT: AEP and UK models (EUR)
4-575-530-0[]
WX-900BT: E and Australian models (E)
4-575-531-0[]
WX-900BT: Indian model (IN)
WX-900BTM: Indian model
4-575-532-0[]
(MARUTI SUZUKI model) (IN)
WX-850BT: US and Canadian models
4-588-101-0[]
(Wal-Mart model) (UC)
DESTINATION ABBREVIATIONS
The following abbreviations for model destinations are used in this
service manual.
• Abbreviations
AUS
: Australian model
CND : Canadian model
IND
: Indian model
Model Number Label
Model Number Label
Model

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