Circuit Board Layout - Yamaha UB99A Service Manual

Acoustic effects processor, bass effects processor, guitar effects processor
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UB99A/UB99B/UB99MK2

■ CIRCUIT BOARD LAYOUT

■ DISASSEMBLY PROCEDURES
1.
Bottom Case
(Time required: about 1 minute)
1-1. Remove the four (4) screws marked [40] and the two
(2) screws marked [30]. The bottom case can then be
removed. (Fig.1)
[30]: Bind Head Tapping Screw-B
[40]: Bind Head Tapping Screw-P
6
(ユニットレイアウト)
• Bottom view
DM
(分解手順)
1.
1-1. [40] のネジ 4 本 と [30] のネジ 2 本を外 し 、ボ ト ム ケース
• Bottom view
[30]
[40]
Bottom case
(+ バインド B タイト)
(+ バインド P タイト)
Fig.1 (図 1)
ボトムケース ( 所要時間 : 約 1 分 )
を外 し ます。 ( 図 1)
[40]
(ボトムケース)
3.0X8 MFZN2BL (EP600190)
4.0X8 MFZN2BL (VB931600)

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Ub99mk2Ub99b

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