Dm Circuit Board; Amp Circuit Board; Pnr Circuit Board; Top Board Assembly (Bottom Veiw) - Yamaha P-120 Service Manual

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P-120/P-120S
2.
DM Circuit Board (Time required: about 3min)
2-1
Remove the top board assembly. (See procedure.1)
2-2
Remove the two (2) screws marked [290a] and the
two (2) screws marked [320]. The DM circuit
board can then be removed. (Fig.4)
*
When reinstalling the top board assembly, apply a
masking tape to the shaded portion in the illustra-
tion to protect the side cover assembly from being
scratched. (Fig.5)
3.
AMP Circuit Board (Time required: about 3min)
3-1
Remove the top board assembly. (See procedure.1)
3-2
Remove the six (6) screws marked [290b]. The
AMP circuit board can then be removed. (Fig.4)
4.
PNR Circuit Board (Time required: about 3min)
4-1
Remove the top board assembly. (See procedure.1)
4-2
Remove the nine (9) screws marked [130a]. The
PNR circuit board can then be removed. (Fig.6)
Speaker L
[30d]

Top Board Assembly (Bottom veiw)

8
Top Board Assembly
[320]
[290a]
ROM
[30d]: Hexagonal Nut MFZN2Y (03760120) 六角ナット
[290]: Bind Head Tapping Screw-B 3.0X6 MFZN2Y (EP600130) +バインドBタイト
[320]: Bind Head Screw-B 3.0X8 MFZN2BL (EP600190)+バインドBタイト
[80]
[80]:
Slide Knob (V8085100) ツマミ (スライド)
[130b]
PNL
[240b]
[130b]
[130]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250) +バインドBタイト
[240]: Bind Head Tapping Screw-1 3.5X12 MFZN2BL (EP030340) +バインドTP1種
[300]: Bind Head Tapping Screw-B 3.0X10 MFZN2BL (EP600140) +バインドBタイト
2.
DMシート( 所要時間:約3分)
2-1
屋根Ass'yを外します。(1項参照)
2-2
[290a]のネジ2本と[320]のネジ2本を外し、DM
シートを外します。(Fig.4)
*
屋根Ass'yを取り付けるとき、腕木Ass'yに傷が
つくのを防ぐため、図中の網掛け部分にマスキ
ングテープを貼ってください。(Fig.5)
3.
AMPシート( 所要時間:約3分)
3-1
屋根Ass'yを外します。(1項参照)
3-2
[290b]のネジ6本を外し、AMPシートを外しま
す。(Fig.4)
4.
PNR シート( 所要時間:約3分)
4-1
屋根Ass'yを外します。(1項参照)
4-2
[130a]のネジ9本を外し、PNRシートを外します。
(Fig.6)
[320]
[290b]
DM
AMP
(C Version Only)
(Fig.4)
(Fig.5)
[300]
[130a]
PNR
[240a]
[130a]
Panel Angle
(Fig.6)
Speaker R
[30d]

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