Sony MEX-BT39UW Посібник з експлуатації - Сторінка 19

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3-12. OPTICAL PICK-UP SECTION

2 optical pick-up section

–

bottom side view

–

3-13. OPTICAL PICK-UP

2 leaf spring (sub guide)

5 optical pick-up

Notes for Assembly

Prevent the end of the

leaf spring (sub guide) from being

in contact with the OP slide base.

MEX-BT39UW/BT3900U/BT3950U

Note: Be careful not to touch the lens and hologram

terminal when removing the optical pick-up section.

1 pan tapping screw

(M 1.4

2.5)

3 leaf spring (OP)

4 lead screw assy

–

bottom side view

–

Prevent the end of the

There is space at the end of the

leaf spring (sub guide) from being

leaf spring (sub guide) to avoid

in contact with the OP slide base.

contact with the slide.

SETTING THE TEST MODE

Setting method:

1. Press the [SOURCE/OFF] button for 1 second to turn the pow-

er off.

2. Press the [4] → [5] → [1] buttons sequentially (the [1] button

is pressed for two seconds).

3. It is set to the test mode, and all segments of the liquid crystal

display light.

Releasing method:

Press the [SOURCE/OFF] button for 1 second.

MICROPHONE AUDIO LOOPBACK

To conﬁ rm the state of the external microphone/internal micro-

phone used when a handsfree function is used, the microphone

audio is output from the speaker.

The breakdown judgment of the microphone can be done without

connecting H/F with the cellular phone.

Procedure:

1. Enter the test mode.

2. Press the [SOURCE/OFF] button to select the Bluetooth Phone

function.

3. On/off of the microphone audio loopback function changes

whenever the [2] button is pressed ("ALBM" is displayed in

the liquid crystal display).

LOOPBACK

ALBM

Lit

OFF

None

THE EXTERNAL MICROPHONE DETECTION

STATE DISPLAY

Connected conﬁ rmation of the external microphone detection line

is done.

The trouble that doesn't change into an external microphone occurs

when this detection circuit is broken.

Procedure:

1. Enter the test mode.

2. Press the [SOURCE/OFF] button to select the Bluetooth Phone

function.

3. Plug in the external microphone into the MIC IN terminal.

4. The detection state of the external microphone is displayed in

the liquid crystal display ("TRACK" is displayed).

In this state, when the external microphone is pulled out, the

beep sound is output.

MEX-BT39UW/BT3900U/BT3950U

SECTION 4