Sony MEX-BT3850U Manual de serviço - Página 6

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MEX-BT38UW/BT3800U/BT3807U/BT3850U

BLUETOOTH FUNCTION CHECKING METHOD USING

A CELLULAR PHONE

1. Required Equipment

•

Set to be tested (MEX-BT38UW/BT3800U/BT3807U/

BT3850U)

•

Cellular phone (Recommended SEMC K320i or K800i, or

select from connectable cellular phones list)

•

Speaker connection (at least Front L/R ch)

•

DC power supply (12V)

2. Preparation

Turn on the Bluetooth function of the cellular phone in advance.

Remove a Bluetooth device connected to the cellular phone in ad-

vance. (at least, remove XPLOD)

3. Test Environment

•

No other Bluetooth device is making a communication in the

periphery. (within 20m)

•

No other MEX-BT38UW/BT3800U/BT3807U/BT3850U are

supplied with electric power.

•

There are no two or more wireless LAN access points in the

periphery. (with 50m) (one is OK)

•

The set should be tested in a place such as a meeting room, free

from ambient noise.

•

The speaker at the far end should be in a place such as another

meeting room separated acoustically.

4. Setting

Install the MEX-BT38UW/BT3800U/BT3807U/BT3850U on the

desktop.

5. Precautions

Beware of the following points when conducting the

talking test:

•

There is no fault if a talking can be made by adjusting appro-

priately the volume of the telephone of the other party and the

cellular phone connected through the Bluetooth, besides the

setup of MEX-BT38UW/BT3800U/BT3807U/BT3850U.

•

The speaker's voice will become loud naturally if the periph-

ery is noisy, or become low if quiet. (even though the speaker

intents to talk on the same volume level)

•

The speaker's voice will become loud naturally if the other

party's voice is loud.

6. BT PHONE Function Check

1. Press the [BLUETOOTH] button for 5 seconds to check if the

BT logo changes from lighting to blinking.

2. Search peripheral equipment from the cellular phone to check

if "XPLOD" is found.

3. Search peripheral equipment from the cellular phone apart

from the set about 5m to check if "XPLOD" is found.

4. Check if peripheral equipment can be registered to the cellular

phone (pass key 0000).

5. Make a connection to the cellular phone to check if the HF

logo lights up. (This may be conducted at the same time in item

6. After making a connection to the cellular phone, move the cel-

lular phone apart from the set about 5m to check if the connec-

tion is held.

7. After switching the source of the MEX-BT38UW/BT3800U/

BT3807U/BT3850U)to other than BT PHONE (e.g. TUNER)

to check that a sound is generated, make a call to the cellular

phone connected to the set.

8. Check that the sound being played is interrupted and in turn the

ring tone is heard. (the built-in sound of the set will be gener-

ated or the ring tone of cellular phone will be heard depending

on the cellular phone)

9. Press the [PUSH SELECT] button for a short time to check

that the conversation can be made.

10. Check that the other party's voice can be heard from the speak-

er.

11. Check by operating the Volume that the other party's volume

varies.

12. Speak to the microphone of the set to check that the other party

can hear it. (Make sure that there is no large difference from

normal set)

13. Press the [PUSH SELECT] button for 2 seconds to check that

the HF turns off and the set is switched to a telephone call

between cellular phones. (This may not function depending on

the cellular phone)

14. Press the [PUSH SELECT] button for 2 seconds to check that

the HF turns on and the set is switched to a telephone call be-

tween MEX-BT38UW/BT3800U/BT3807U/BT3850U) and

far end.

15. Press the [PUSH SELECT] button for a short time to check

that a telephone call is terminated. Also, the original source is

returned.

16. Perform ACC OFF -> ON to check if the set is reconnected

automatically to the cellular phone.

7. BT Audio Function Check

1. Connect the set to the BT audio device (or cellular phone fur-

nished with BT audio function) to check that the streaming

logo lights up.

2. Play the BT audio device to check that a sound is generated

from the set when the source is switched to the BT audio.

3. Operate the set ([SEEK – /+], [6] button operation) to check if

it can control the BT Audio.

Note: The functions that can be operated vary depending on the BT audio

device connected.

4. Perform ACC OFF  ON to check if the set can be recon-

nected to the BT audio device. (Some BT audio devices may

be reconnected automatically)

5. With the BT audio source, press the [6] button to check if the

streaming logo blinks and the set is reconnected to the BT au-

dio device. (This function is disabled while the set is recon-

nected to a cellular phone. Accordingly, this test should be

conducted after the power is turned on and then the HF logo

lights up, or when about 30 seconds elapsed after the power

on)

8. Initialize

This should be performed when the set is sent back to the user after

all the checks ﬁ nished successfully.

1. Execute the initialization.

2. Press the [BLUETOOTH] button for 3 seconds to check if the

BT logo lights up.

3. Check that the set is not connected automatically to the cellular

phone that was connected last.

4. With the BT audio source, check that the streaming logo does

not blink when the [6] button is pressed.

9. What to Do after Checking

1. If the board does not need to be replaced

•

Return the bluetooth settings to original ones. (settings when

the set was received from the user)

2. If the board needs to be replaced

•

Return to the factory shipping mode.