Tyros / TRS-MS01
14
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DISASSEMBLY PROCEDURE (Tyros)
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Electrical Check After Disassembly
The power will not turn on after the unit is seperated into the upper case assembly and the lower case assembly.
Then you can perform electrical check by using two connector assemblies supplied as service parts.
The connection procedure is as follows.
Keyboard Assembly
Upper Case Assembly
Lower Case Assembly
Shield cover
CN2
CN4
CN7
CN6
CN2
CN20
CN14
CN7
Power SW
PNR
PNL
PNC
DM
HP
VR
AJACK
MICVRSUB
Power Supply Assembly
VR2 W,H
Remove the VR1 W,H
from the cord binder.
Remove the MICVRSUB
Circuit board from the
lower case.
GND8 W,H open
They replaced the LED W,H with the
LED Service Connector Assembly (WA858300).
They replaced the FFC2 W,H with the
FFC2 Service Connector Assembly (MFA30600).
A.
Power Switch
A-1
Remove the power switch from the upper case assem-
bly. (See procedure 25)
A-2
Connect the POWER connector assembly into the CN2
on the INLET circuit board.
B.
MICVRSUB Circuit Board
B-1
Remove the MICVRSUB circuit board. (See proce-
dure 12)
B-2
Connect the VR1 connector assembly into the CN7 on
the MICVRSUB circuit board.
C.
Connector Assembly (service parts)
C-1
Remove the shield upper cover. (See procedure 20)
C-2
Connect the CN2 on the PNR circuit board and the
CN14 on the DM circuit board via the FFC2 service
connector assembly.
C-3
Connect the CN7 on the PNR circuit board and the
CN20 on the DM circuit board via the LED service
connector assembly.
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FFC2 Service Connector Assembly (MFA30600)
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LED Service Connector Assembly (WA858300)
VR2 W,H
VR1 W,H
LED Service Connector Assembly
FFC2 Service Connector Assembly
Power SW
MICVRSUB Circuit Board
GND8 W,H (Open)