Sony MEX-BT2707E Service Manual page 5

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NOTE FOR REPLACEMENT OF THE BT BOARD
When repairing, the complete BT board (A-1433-972-A) should
be replaced since any parts in the BT board cannot be repaired.
NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board (A-1552-122-A)
should be replaced since any parts in the SERVO board cannot be
repaired.
NOTE FOR REPLACEMENT OF THE AUX JACK
(J901)
To replace the AUX jack requires alignment.
1. Insert the AUX jack into the front panel.
2. Place the KEY board on the front panel and align the terminals
of the AUX jack with the holes in the KEY board.
3. Solder the three terminals of the jack.
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L 13942296513
front panel
Replacing the lithium battery of the card remote
commander
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 card remote commander
becomes shorter. Replace the battery with a new CR2025 lithium battery.
Use of any other battery may present a risk of fire or explosion.
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 assure 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
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may occur.
WARNING
Battery may explode if mistreated.
.
Do not recharge, disassemble, or dispose of in fire.
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KEY board
AUX jack
+ side up
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MEX-BT2700/BT2707E/BT2750
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MODEL IDENTIFICATION
– Bottom View –
Model Number Label
Part No.
4-124-437-0[]
4-124-438-0[]
4-127-668-0[]
4-127-669-0[]
4-127-670-0[]
4-127-671-0[]
4-127-673-0[]
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9 4 2 8
Part No.
Destination
BT2700: AEP and UK models
BT2700: US and Canadian models
BT2700: Italian model
BT2707E: Russian model
BT2750: E and Saudi Arabia models
BT2750: Mexican model
BT2750: Indian model (MARUTI SUZUKI)
0 5 8 2 9 9 4 2 8
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