Main Board; Antenna Bt (Bt1); Test Mode - Sony MEX-GS610BE Service Manual

3-6.

MAIN BOARD

Note 1: When the complete MAIN board is replaced, it is necessary to replace knob (VOL) (SV)
assy simultaneously. Also, the destination setting, Bluetooth operation check and Bluetooth
information writing is necessary. Refer to "DESTINATION SETTING METHOD" on page
4, "BLUETOOTH FUNCTION CHECKING METHOD USING A CELLULAR PHONE"
on page 7 and "BLUETOOTH INFORMATION WRITING METHOD" on page 8.
4 screw
3 ground point screw
(PTT2.6 6)
2 filament
tape
5 claw
1 lead wire with connector
(CN1002)
5 claw
7 Remove the
solder.
9 filament
7 Remove the
[red]
solder. tape
[black]
7 Remove the
solder.
[blue]
8 REGULATOR board block
Note 2: REGULATOR board has been deleted in the midway of production.
For details, please refer to service manual supplement-1.
MEX-GS610BE/GS610BT/N6050BT
(PTT2.6 8)
3 two ground point screws
(PTT2.6 6)
4 screw
(PTT2.6 8)
lead wire from antenna BT
connector
(CN1002)
6 Remove the
MAIN board block
in the direction
of the arrow.
front side
OK
lead wire with connector lead wire with connector
connector
C848
MAIN board
C848
filament
tape
REGULATOR
front side
board
0 MAIN board
3-7.

ANTENNA BT (BT1)

MAIN board
4 screw (T)
antenna BT
NG
SETTING THE TEST MODE
connector
Setting method:
1. In the state of source off (the clock is displayed), enter the test
mode by pressing the buttons in order of the [
5] t [V ALBUM 1] (press only the [V ALBUM 1] button for
two seconds).
[black]
2. It is set to the test mode, and all segments of the liquid crystal
display light.
[red]
Releasing method:
Press the [ OFF SRC] button for 1 second.
MICROPHONE AUDIO LOOPBACK
To confi rm the state of the external microphone used when a
C501
handsfree function is used, the microphone audio is output from
the speaker.
C501
[blue]
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 [ OFF SRC] button to select the Bluetooth Phone
function.
filament tape
3. On/off of the microphone audio loopback function changes
whenever the [ALBUM v 2] button is pressed (" " is dis-
played on the liquid crystal display).
25 25
3 lead wire with connector
(CN1002)
2 connector
(CN1300)
1 Remove the cable
from lead pin.
lead wire with connector
5 antenna BT
(BT1)
SECTION 4

TEST MODE

4] t [MIC
LOOPBACK
ON Lit
OFF None
MEX-GS610BE/GS610BT/N6050BT
Ver. 1.1
lead wire from antenna BT
MAIN
connector connector
board
(CN1002) (CN1300)
antenna BT
front side lead pin
OK NG
lead wire with connector
connector connector