Yamaha Portatone PSR-E213 Service Manual

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PSR-E213/YPT-210
10
2. DMLCD Circuit Board, LCD Display
(Time required: About 3 minutes each)
2-1 Remove the lower case assembly. (See procedure 1)
2-2 DMLCD Circuit Board
2-2-1 Remove the eight (8) screws marked [160A]. The
DMLCD circuit board can then be removed. (Fig. 2)
* When attaching or removing the MK wire (DMLCD cir-
cuit board: CN501), insert or pull the MK wire while press-
ing the both side of the connector downward. (Fig. 3)
* When installing the DMLCD circuit board, tighten the
screws 1 through 8 in numerical order. (Fig. 2)
2-3 LCD Display
2-3-1 Remove the DMLCD circuit board. (See procedure 2-2)
2-3-2 Remove the rubber connector and LCD holder A.
The LCD display can then be removed. (Fig. 4)
* When attaching the rubber connector, set the con-
ductive part to face inside. (Fig. 4)
3. PNAM Circuit Board (1/2, 2/2)
(Time required: About 3 minutes each)
3-1 Remove the lower case assembly. (See procedure 1)
3-2 PNAM Circuit Board 1/2
3-2-1 Remove the eleven (11) screws marked [160B]. The
PNAM circuit board 1/2 can then be removed. (Fig. 2)
3-3 PNAM Circuit Board 2/2
3-3-1 Remove the eight (8) screws marked [160C]. The PNAM
circuit board 2/2 can then be removed. (Fig. 2)
* When replacing the PNAM circuit board, remove the
wiring assembly GND1 from the old PNAM circuit board
and then attach it on the new PNAM circuit board if the
wiring assembly GND1 is originally installed. For details,
refer to page 18. (U only)
4. Speaker (Time required: About 2 minutes)
4-1 Remove the lower case assembly. (See procedure 1)
4-2 Remove the four (4) screws marked [30]. The speaker
can then be removed. (Fig. 2)
* The right and left speakers can be removed in the
same manner.
5. Lower Case Keyboard Assembly
(Time required: About 3 minutes)
5-1 Remove the lower case assembly. (See procedure 1)
5-2 Remove the two (2) screws marked [250B] and screw
marked [260B]. The lower case keyboard assembly can
then be removed. (Fig. 2)
* When attaching or removing the MK wire (DMLCD cir-
cuit board: CN501), insert or pull the MK wire while press-
ing the both side of the connector downward. (Fig. 3)