1-2Remove the four (4) screws marked [1000]. Then,
remove the side pad R and flat washer. (Photo.2)
SidepadL(サイドパッドL)
[980]
[980]: Bind Head Tapping Screw-B
4.0X20 MFZN2BL (VS205900)
(+バインドBタイト)
1.サイドパッド(所要時間:各約 1 分)
1-1[980]のネジ 4本を外し、サイドパッドL と平ワッ
1-2[1000]のネジ4 本を外し、サイドパッドRと平ワッ
(MG24/14FX分解手順)
シャを外します。(写真1)
シャを外します。(写真2)
SidepadR
(サイドパッドR)
[1000]: Bind Head Tapping Screw-B
4.0X20 MFZN2BL (VS205900)
(+バインドBタイト)
[1000][1000]
Photo.1 (写真1)
2.Bottom Cover
(Time required: About 4 minutes)
2-1Remove the fourteen (15) screws marked [930] and
the fifteen (15) screws marked [940]. Then, remove
the bottom cover. (Photo.3)
• Bottom view
[930]
[940]
[930]
[930][930]
Photo.2 (写真2)
2.ボトムカバー(所要時間:約 4 分)
2-1[930]のネジ 15本と[940]のネジ15 本を外し、ボト
ムカバーを外します。(写真3)
[940][940]
Bottomcover(ボトムカバー)
[930]
[930]
[930]
[930]: Bind Head Tapping Screw-S3.0X6 MFZN2BL (VS205900)
[940]: Bind Head Tapping Screw-B4.0X12 MFZN2BL (VR138400)
(+バインドSタイト)
(+バインドBタイト)
Photo.3 (写真3)
23
MG24/14FX
MG32/14FX
3.Side Cover
(Time required: About 6 minutes each)
3-1Remove the bottom cover. (See procedure 2.)
3-2Side Cover L:
3-2-1 Remove the side pad L. (See procedure 1.)
3-2-2 Remove the five (5) hex socket set screws marked
[700] and the two (2) screws marked [710]. Then,
remove the side cover L. (Photo.4, 5)
3-3Side Cover R:
3-3-1 Remove the side pad R. (See procedure 1.)
3-3-2 Remove the five (5) hex socket set screws marked
4-1When you work on the back of the top cov er , set the
supports to the right and left sides to prevent the
circuit boards from being distorted. (Photo.8)
Supports
(台)
Photo.8 (写真8)
4.台
4-1トップカバーの裏面の作業をする時、そのまま作業
すると基板がゆがんでしまうので、トップカバー裏
面の作業をする時は、左右に台を当ててください。
(写真 8)
5.PS Circuit Board
(Time required: About 6 minutes)
5-1Remove the bottom cover. (See procedure 2.)
5-2Set the supports. (See procedure 4.)
5-3Remove the four (4) screws marked [865]. Remove
the PS circuit board and the heat sink. (Photo.9)
5-4Remove the five (5) screws marked [840] and the
nine (9) screws marked [850]. Then, remov e the PS
circuit board from the heat sink. (Photo.11)
6.Power T ransformer
(Time required: About 6 minutes)
6-1Remove the bottom cover. (See procedure 2.)
6-2Set the supports. (See procedure 4.)
6-3Remove the heat sink. (See procedure 5-3.)
6-4Remove the four (4) screws marked [880]. Then,
remove the power tr ansformer with the silicon steel
plate box, silicon steel ring, trans spacer. (Photo.9)
6-5Remove the bolt marked [A] and nut marked [B].
Then, remove the power transformer. (Photo.9, 10)
5.PS シート(所要時間:約 6 分)
5-1ボトムカバーを外します。(2項参照)
5-2台を当てます。(4項参照)
5-3[865]のネジ4本を外し、PSシートとヒートシンク
を外します。(写真9)
5-4[840]のネジ 5本と[850]のネジ9 本を外し、ヒート
シンクから PSシートを外します。(写真 11)
6.電源トランス(所要時間:約6 分)
6-1ボトムカバーを外します。(2項参照)
6-2台を当てます。(4項参照)
6-3ヒートシンクを外します。(5-3項参照)
6-4[880]のネジ4本を外して、トランスベース、珪素鋼
板ボックス、珪素鋼板RING、トランススペーサー
と共に電源トランスを外します。(写真 9)
6-5[A]のボルトと[B]のナットを外して、電源トランス
を外します。(写真 9、10)
25
MG24/14FX
MG32/14FX
[880]
Bolt
(ボルト)
[A]
[880]
Transbase
(トランスベース)
[865]: Bind Head Tapping Screw-B
3.0X8 MFZN2BL (EP600190)
[880]: Bind Head Tapping Screw-B
3.0X8 MFZN2BL (EP600190)
Photo.9
[865]
Heatsink
(ヒートシンク)
(+バインドBタイト)
(+バインドBタイト)
(写真9)
[850]
Nut
(ナット)
[B]
SiliconSteelBox
(珪素鋼板ボックス)
Photo.10 (写真10)
PS
[840]
[840]: Bind Head Tapping Screw-B3.0X8 MFZN2BL (EP600190)
[850]: Bind Head Tapping Screw-B3.0X12 MFZN2BL (VQ074600)
Photo.11
7.DSP Circuit Board
(Time required: About 7 minutes)
7-1Remove the bottom cover. (See procedure 2.)
7-2Set the supports. (See procedure 4.)
7-3Remove the heat sink. (See procedure 5-3.)
7-4Remove the three (3) screws marked [800]. Remov e
the shield case. (Photo.12)
7-5Remove the four (4) screws marked [780]. Then,
remove the DSP circuit board from the DSP shield
base. (Photo.13)
8-1Remove the bottom cover. (See procedure 2.)
8-2Set the supports. (See procedure 4.)
8-3Remove the heat sink. (See procedure 5-3.)
8-4Remove the trans base. (See procedure 6.)
8-5Remove the six (6) screws marked [760]. Then,
remove the DSP shield base. (Photo.14)
At the time of DSP shield base attachment,
please tighten the screw of [760] after putting
the pin of the DSP sheet CN101 into CN503 of
MAS 1/4 sheet. (Photo. 14, 27, 28)
9-1Remove the bottom cover. (See procedure 2.)
9-2Set the supports. (See procedure 4.)
9-3Remove the heat sink. (See procedure 5-3.)
9-4Remove the trans base. (See procedure 6.)
9-5Remove the two (2) screws marked [200]. (Photo .15, 16)
9-6Remove the power switch escutcheon by bending the
claw of the power switch escutcheon. (Photo.15, 16)
9-7Remove the power switch knob. Remove the two
(2) screws marked [240]. Then, remove the push
switch from the PS holder. (Photo.17)
10.Push Switch and AC-IN Connector
(Time required: About 5 minutes)
10-1Remove the bottom cover. (See procedure 2.)
10-2Set the supports. (See procedure 4.)
10-3Remove the two (2) screws marked [220] and a
screw marked [310]. Remove the A C-IN connector.
(Photo.15, 16)
12-1Remove the bottom cover. (See procedure 2.)
12-2Set the supports. (See procedure 4.)
12-3Remove the heat sink. (See procedure 5-3.)
12-4Remove the trans base. (See procedure 6.)
12-5Remove the DSP shield base. (See procedure 8.)
12-6Remove the eight (8) screws marked [160] and the
thirty-three (33) hexagonal nuts and flat washer
marked [C]. Then, remove the MASJK circuit board.
(Photo.18, 21)
At the time of DSP shield base attachment,
please tighten the screw of [760] after putting
the pin of the DSP sheet CN101 into CN503 of
MAS 1/4 sheet. (Photo. 14, 27, 28)
13-1Remove the bottom cover. (See procedure 2.)
13-2Set the supports. (See procedure 4.)
13-3IN Circuit Board 1:
(Time required: About 9 minutes)
13-3-1 Remove the side pad L. (See procedure 1.)
13-3-2 Remove the eight (8) fader knobs 1. (Photo.22)
13-3-3 Remove the three (3) screws marked [590A].
(Photo.23)
13-3-4 T wist the eighteen (18) hooks of the IN circuit board
1 to become straight. Then, remove the IN circuit
board 1.(Photo.24)
13-4-1 Remove the eight (8) fader knobs 2. (Photo.22)
13-4-2 Remove the heat sink. (See procedure 5-3.)
13-4-3 Remove the DSP shield base. (See procedure 8.)
13-4-3 Remove the three (3) screws marked [590B].
(Photo.23)
13-4-4 T wist the eighteen (18) hooks of the IN circuit board
2 to become straight. Then, remove the IN circuit
board 2.(Photo.24)
The push ON buttons, sleeve ON buttons, push
PFL buttons, volume knobs, and push HPF
buttons on the IN circuit boards 1 and 2 are not
components of the circuit board. When you
replace the IN circuit board, you should r emove
the push ON buttons, sleeve ON buttons, push
PFL buttons, volume knobs, and push HPF
buttons from the old IN circuit boards 1 and 2,
and install them in the new circuit board.
(Photo.25)