CMT-BT60, CMT-BT60B, CMT-BT80W, CMT-BT80WB - Sony Audio Service Manual (repair manual). Page 5

CAPACITOR  ELECTRICAL  DISCHARGE  PROCESSING
When checking the board, the electrical discharge is necessary for 
the electric shock prevention.
Connect the resistor to both ends of respective capacitors.

• 

Power unit (Ref. No. PWR1)

 

C114, C115, C201, C202

:/2 W

:/2 W

:/2 W

:/2 W

PROCESSING  OF  REPLACING  THE  WiFi  MODULE 
(Ref. No. WIFI1) (CMT-BT80W/BT80WB only)
When replacing the WiFi module (Ref. No. WIFI1), peel the de-
vice ID label stuck on the bottom side of a main unit, and stick on 
the new device ID label (refer to the following fi gure)  enclosed 
with the new WiFi module (Ref. No. WIFI1)

MAC Address: XX-XX-XX-XX-XX-XX

1 Peel the device 

2 Stick on the new 

NOTE  OF  REPLACING  THE  WiFi  MODULE (Ref. No. 
WIFI1) (CMT-BT80W/BT80WB only)
When replacing the WiFi module (Ref. No. WIFI1), MAC address 
is changed. Print the following explanation, cut it, and hand over 
it to the customer with the unit, when returning the unit that the 
repair is completed to the customer.

MAC address of this unit has been changed by this repair. The 
customer who uses the MAC address fi ltering function of con-
nected access point equipment please set it again. MAC address 
is possible to confi rm it on the Sony Network Device Setting 
screen. Please refer to “Network connections” on the operating 
instructions for details.

CHECKING  METHOD  OF  NETWORK  CONNECTION 
(CMT-BT80W/BT80WB only)
It is necessary to check the network connection, when replacing 
the complete MAIN board, IC101 on the MAIN board or WiFi 
module (Ref. No. WIFI1). Check the connection of wireless and 
wired LAN, according to the following method.

Necessary Equipment:
•   Access point supporting WPS

Procedure:
1.  Press the [

?/1

] button to turn the power on.

2.  Press the [OPTIONS] button on the remote commander to the 

display the setting menu on the liquid crystal display.

3.  Press the [

V]/[v] buttons on the remote commander to select 

“WPS”.

4.  Press the [

] button on the remote commander.

 (“OK” 

fl ashes on the liquid crystal display)

5.  Press the [

] button on the remote commander.

 (“WPS” 

fl ashes on the liquid crystal display)

6.  Press the [WPS] button on the access point.
7.  When wireless LAN connection is started, “CONNECT” 

fl ashes on the liquid crystal display.

8.  When wireless LAN connection is completed, “COMPLETE” 

appears for a moment on the liquid crystal display, then “ ” 
appears on the liquid crystal display.

9.  Press the [

?/1

] button to turn the power off.

Note: Refer to the instruction manual about details of the setting method.

Necessary Equipment:
•   Router
•   Network (LAN) cable

Procedure:
1.  Connect the main unit to the router with the LAN cable.
2.  Press the [

?/1

] button to turn the power on.

3.  Check that “ ” appears on the liquid crystal display.
4.  Press the [

?/1

] button to turn the power off.

Note: Refer to the instruction manual about details of the setting method.