Yamaha Portatone PSR-VN300 Instrukcja serwisowa - Strona 8
Przeglądaj online lub pobierz pdf Instrukcja serwisowa dla Klawiatura elektroniczna Yamaha Portatone PSR-VN300. Yamaha Portatone PSR-VN300 38 stron. Service manual
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2.
DMLCD circuit board
(Time required: About 3 minutes)
2-1
Remove the lower case assembly. (See procedure 1)
2-2
Remove the eight (8) screws marked [240B]. The DMLCD circuit board can then be removed. (Fig. 2)
* When installing the DMLCD circuit board, tighten the screws 1 through 8 in numerical order. (Fig. 2)
* If the DMLCD circuit board is replaced, execute the "Factory Set" in the test program.
•
Bottom view
[30]
[240C]
Lower Case Keyboard Assembly
8
[A]
[150C]
PNAM
2/3
[150C]
[30] :
Bind Head Tapping Screw-B 4x8 MFZN2W3 (WE974600)
[150A] : Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300)
[150B] : Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300)
[150C] : Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300)
[240B] : Bind Head Tapping Screw-B 3x12 MFZN2W3 (WE987400)
[240C] : Bind Head Tapping Screw-B 3x12 MFZN2W3 (WE987400)
[270B] : Bind Head Screw 3x30 MFZN2W3 (WF491000)
Rubber Connector
Conductor side
Rubber Connector
Fig. 3
[240B]
[150B] [150A]
3
4
5
6
PNAM
DMLCD
1/3
1
7
8
2
[270B]
[240B]
[150B]
Fig. 2
LCD
Back Light Assembly
Rubber Connector
DMLCD
LCD Holder
PNAM
[30]
[A]
[150B]
3/3
[240C]
Knob (Master Volume)
Fig. 4