Yamaha YPT-370 Service Manual - Page 10

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PSR-E373/YPT-370
2.
DMLCD Circuit Board (Time required: About 6 minutes)
1.
Remove the lower case assembly. (See procedure 1)
2.
Remove the 12 screws [380A]. The DMLCD circuit board can then be removed. (Fig.2)
*
When installing the DMLCD circuit board, tighten the screws 1 through 2 in numerical order. (Fig.2)
*
After replacing the DMLCD circuit board, execute "Factory Reset" in the Test program.
底面図
Bottom view
3.
LCD (Time required: About 7 minutes)
1.
Remove the lower case assembly. (See procedure 1)
2.
Remove the DMLCD circuit board. (See procedure 2)
3.
Remove the back light assembly. (Fig.3)
4.
Remove the rubber connector. (Fig.3)
5.
Remove the LCD display. (Fig.3)
*
Avoid touching the conductive part of the rubber connector as much as possible. Should foreign matter or dirt adhere,
remove such contamination using adhesive tape or the like. Do not wipe off using solvents such as benzene or alcohol.
(Fig.3)
10
PNL
[380C]
[380D] [380D]
MVR
[370]
[380D]
[380B]
DC-IN
DMLCD
DMLCD
[380A]
[380A]
[380E]
1
2
[380D]
[380A]
[380A]
[380E] [380E]
x2
Fig.2
液晶ディスプレイ
LCD display
バックライトAss'y
BACK LIGHT ASSEMBLY
ゴムコネクター
RUBBER CONNECTOR
Fig.3
PNR
[380E]
[370]