Disassembly Procedure; Upper Case Assembly; Circuit Boards & Assemblies - Yamaha CP33 Service Manual

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DISASSEMBLY PROCEDURE(分解手順)
1.

Upper Case Assembly

(Time required: About 2 minutes)
Remove the five (5) screws marked [50] and the six
(6) screws marked [60] located under the keybed. Move
the upper case assembly rearward, and it can then be
remove by lifting up. (Fig. 1)
2.
Circuit Boards & Assemblies
(Time required: About 4–5 minutes each)
2-1
Remove the upper case assembly. (See procedure 1)
2-2
Each circuit board and assembly can be removed by
removing its fixing screws as listed below.
Circuit board and Assembly
DM
DJACK *
1
AJACK
PNL *
1
PNR *
1
SVR *
1
MVR *
1
Wheel Assembly (PITCH BEND)
Wheel Assembly (MODULATION)
When mounting the DJACK, PNL, PNR, SVR and MVR circuit boards, always start by tightening screws q , w in sequence.
1
*
DJACK, PNL, PNR, SVR, MVRシートを取り付ける際、 まず最初にq、 wのネジを順に締めます。
1
*
<Top view> ( 上面)
<Bottom view> ( 底面)
[60]
[50]:
[60]:
[120]: Bind Head Tapping Screw-1  (TP#1+BIND)  3.5X12 MFZN2W3 (WE970900)
Ref. No.
270A
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X6 MFZN2W3 (WE936300)
420
PW Head Tapping Screw-B (Bタイト+PWH) 3.0X8 MFZN2W3 (WF002600)
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X8 MFZN2B3 (WE774400)
320
330A
Bind Head Tapping Screw-S (Sタイト+BIND) 3.0X5 MFZN2B3 (WF304200)
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X8 MFZN2W3 (WE774300)
410A
330B
Bind Head Tapping Screw-S (Sタイト+BIND) 3.0X5 MFZN2B3 (WF304200)
410B
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X8 MFZN2W3 (WE774300)
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X8 MFZN2W3 (WE774300)
410C
410D
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X8 MFZN2W3 (WE774300)
Slide Knob (スライドツマミ)
410E
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X8 MFZN2W3 (WE774300)
Volume Knob (Vツマミ)
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X6 MFZN2W3 (WE936300)
270B
270C
Bind Head Tapping Screw-B (Bタイト+BIND) 3.0X6 MFZN2W3 (WE936300)
Volume knob
Slide knob
(Vツマミ)
(スライドツマミ)
[120]
1
Keybed (棚板)
[50]
Bind Head Screw  (小ネジ+BIND)  4.0X14 MFZN2W3 (WE968700)
Bind Head Screw  (小ネジ+BIND)  4.0X20 MFZN2B3 SP (WF002300)
1.
上ケースAss y 
棚板下より[50] のネジ5本と[60] のネジ6本を外し
て、 上ケースAss yを後方にスライドした後、 持ち上
げて外します。 ( 図1)
2.
基板とアッセンブリ
(所要時間 : 各約4〜5分)
2-1
上ケースAss yを外します。 ( 1項参照)
2-2
次のネジを外すことにより、 基板 ・ アッセンブリを外
すことができます。
Screw
Upper case assembly ( 上ケースAss'y)
[120]
[50]
Fig. 1   (図1)
(所要時間 : 約2分)
[120]
Front
2
[60]
Rear
[50]
CP33
QTY Fig.
3
2
1
2
2
2
2
2
5
2
2
2
10
2
8
2
4
2
2
1
2
2
1
1
2
2
2
2
7

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