Sony WX-850BT Service Manual page 7

TEST DISCS
Use following TEST DISC (for CD) when this unit confi rms the
operation and checks it.
Part No. Description
3-702-101-01 DISC (YEDS-18), TEST
4-225-203-01 DISC (PATD-012), TEST
NOTE OF PERFORMING THE OPERATION CHECK
When performing the operation check in the state that is removed
the CD mechanism deck from the main unit, it is necessary to use
a long fl exible fl at cable.
When performing the operation check, use following fl exible fl at
cable.
Part No. Description
1-846-819-31 CABLE FLEXIBLE FLAT (27 CORE)
NOTE OF REPLACING THE ANT001, IC001, IC503,
IC804, IC1002 AND IC1009 ON THE MAIN BOARD
ANT001, IC001, IC503, IC804, IC1002 and IC1009 on the MAIN
board cannot replace with single. When these parts are damaged,
replace the complete mounted board.
NOTE FOR REPLACING OF THE USB CONNECTOR
(CN902) AND THE AUX JACK (J901)
To replace the USB connector and AUX jack requires alignment.
1. Insert the USB connector and AUX jack into the front panel.
2. Place the KEY board on the front panel and align the terminals
of the USB connector and AUX jack with the holes in the KEY
board.
3. Solder six terminals of the USB connector and three terminals
of the AUX jack.
AUX jack
(J901)
(Length: 150 mm)
KEY board
USB connector
(CN902)
front panel
WX-850BT/900BT/900BTM
CANCELING THE DEMO MODE
You can cancel the demonstration display which
appears when the source is off and the clock is
displayed.
1
Press MENU, rotate the control dial to
select [SET GENERAL], then press it.
2
Rotate the control dial to select [SET
DEMO], then press it.
3
Rotate the control dial to select [SET
DEMO-OFF], then press it.
The setting is complete.
4
Press (back) twice.
The display returns to normal reception/play
mode.
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