Yamaha MLA8 Servise Manual page 12

Mic line amplifier
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MLA8
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3 7 63 1515 0
[350]
[350]
[210]
[210]
[A]
[A]
(Photo. 5)
[210]: Knob (VJ859500) スライドツマミ
[350]: Knob (WC583800) ノブD12
8.
HAJK 3/4 Circuit Board (time required: about 3 minutes)
8-1 Remove the top cover. (See Procedure 1.)
8-2 Remove the two (2) hexagonal locking screws marked
[120] and the two (2) locking card spacer. The HAJK
3/4 circuit board can then be removed. (Photo. 4, 8)
9.
HAJK 2/4 Circuit Board (time required: about 4 minutes)
9-1 Remove the top cover. (See Procedure 1.)
9-2 Remove the HKJK 3/4 circuit board. (See Procedure 8.)
9-3 Remove the sixteen (16) screws marked [100], the
TE
L 13942296513
eight (8) screws marked [125] and the six (6) screws
marked [110]. The HAJK 2/4 circuit board can then
be removed. (Photo. 4, 9)
HAJK 3/4
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http://www.xiaoyu163.com
[Photo. 7]
[Photo. 7]
[120]
[120]
[125]
[125]
[125]
[125]
(Photo. 8)
[100]: Bonding Tapping Screw-B 3.0x8 MFZN2BL (VN413300) +ボンディングBタイト
[120]: Hex. Locking Screw JFS-2.6S-BIW (VS604900) 6角ロックネジ
[125]: Pan Head Screw 2.6x6 MFZN2BL (VC990500) +ナベ小ネジ
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8
IN
(Photo. 6)
8.
HAJK 3/4シート(所要時間: 約3分)
8-1. トップカバーを外します。(1項参照)
8-2. [120]の六角ロックネジ2本とロッキングカード
スペーサ2本を外して、HAJK 3/4シートを外
します。(Photo. 4, 8)
9.
HAJK 2/4シート(所要時間: 約4分)
9-1. トップカバーを外します。(1項参照)
9-2. HAJK 3/4シートを外します。(8項参照)
9-3. [100]のネジ16本と[125]のネジ8本を外し、[110]
Q Q
3
6 7
1 3
のネジ6本を外して、HAJK 2/4シートを外し
ます。(Photo. 4, 9)
[100]
[100]
[100]
[100]
(Photo. 9)
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.
2 9
9 4
2 8
Card holder
Card holder
(カードホルダ)
(カードホルダ)
Hook
Hook
(フック)
(フック)
(Photo. 7)
1 5
0 5
8
2 9
9 4
[100]
[100]
[100]
[100]
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9 9
2 8
9 9

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