Yamaha DME24N User manual

SERVICE MANUAL
DME24N INSPECTIONS(DME24N検査).... 82/88
DME64N INSPECTIONS(DME64N検査).... 94/97
TEST PROGRAM(テストプログラム)......... 100/119
UPDATING THE PROGRAM
(プログラムのアップデート).......................... 138/140
ERROR MESSAGES(メッセージ一覧)....... 142/144
MIDI IMPLEMENTATION CHART .......................146
MIDI DATA FORMAT ..........................................147
PARTS LIST
BLOCK DIAGRAM(ブロックダイアグラム)
LEVEL DIAGRAM(レベルダイアグラム)
OVERALL CONNECTOR CIRCUIT DIAGRAM
(総コネクタ接続回路図)
CIRCUIT DIAGRAM(回路図)
ICP1 SERVICE MANUAL
CP1SF/CP4SF/CP4SW SERVICE MANUAL
Copyright (c)Yamaha Corporation. All rights reserved.PDF-K8405 ’04.09
PA 011743
DME24N: 200408-オープンプライス
DME64N: 200408-オープンプライス
ICP1: 200408-オープンプライス
OPTION(オプション)
• INTELLIGENT CONTROL PANEL
ICP1
• CONTROL PANEL
CP1SF
• CONTROL PANEL
CP4SF
• CONTROL PANEL
CP4SW
• DME24N
• DME64N
■ CONTENTS(目次)
SPECIFICATIONS(総合仕様)................................... 4
DIMENSIONS(寸法図)............................................... 5
PANEL LAYOUT(パネルレイアウト)........................ 6
CIRCUIT BOARD LAYOUT
(ユニットレイアウト)................................................. 8
DME24N DISASSEMBLY PROCEDURE
(DME24N分解手順)................................................. 9
DME64N DISASSEMBLY PROCEDURE
(DME64N分解手順)............................................... 17
INSTALLATION OF CPU EXT CIRCUIT BOARD
(CPUEXTシートの取り付け).................................. 26
I/O CARD INSTALLATION
(I/Oカードの装着).............................................. 27/29
LSI PIN DESCRIPTION(LSI端子機能表)............. 31
IC BLOCK DIAGRAM(ICブロック図)................... 40
CIRCUIT BOARDS(シート基板図)........................ 45
CP1SF: 200408-オープンプライス
CP4SF: 200408-オープンプライス
CP4SW: 200408-オープンプライス

DME24N/DME64N
2
IMPORTANT NOTICE
This manual has been provided for the use of authorizedYamaha Retailers and their service personnel.It has been assumed
that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and
understood by the users, and have therefore not been restated.
WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in
personal injury, destruction of expensive components and failure of the product to perform as
specified. For these reasons, we advise allYamaha product owners that all service required should
be performed by an authorizedYamaha Retailer or the appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization,
certification, recognition of any applicable technical capabilities, or establish a principal-agent
relationship of any form.
The data provided is believed to be accurate and applicable to the unit (s) indicated on the cover.The research engineering,
and service departments of Yamaha are continually striving to improveYamaha products. Modifications are, therefore,
inevitable and changes in specification are subject to change without notice or obligation to retrofit.Should any discrepancy
appear to exist, please contact the distributor’s Service Division.
WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body
may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires
connect to this bus).
IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply
power to the unit.
WARNING : CHEMICAL CONTENT NOTICE !
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic
(where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency
(and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY
REASON WHAT SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before
handling food.
■WARNING
Components having special characteristics are marked Zand must be replaced with parts having specification equal to
those originally installed.
WARNING:THIS APPARATUS MUST BE EARTHED
IMPORTANT
THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
The wire which is coloured GREEN andYELLOW must be connected to the terminal in the plug which is marked by the letter
E or by the safety earth symbol or coloured GREEN andYELLOW.
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.
* This applies only to products distributed byYAMAHA KEMBLE MUSIC (U.K.) LTD.
Z印の部品は、安全を維持するために重要な部品です。交換する場合は、安全のために必ず指定の部品をご使用ください。

DME24N/DME64N
3
LITHIUM BATTERY HANDLING
This product uses a lithium battery for memory back-up.
WARNING : Lithium batteries are dangerous because they can be exploded by improper handling.Observe the following
precautions when handling or replacing lithium batteries.
• Leave lithium battery replacement to qualified service personnel.
• Always replace with batteries of the same type.
• When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells.
• Never solder directly to the cells.Perform the soldering as quickly as possible.
• Never reverse the battery polarities when installing.
• Do not short the batteries.
• Do not attempt to recharge these batteries.
• Do not disasemble the batteries.
• Never heat batteries or throw them into fire.
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat og type.lever
det brugte batteri tilbage til leverandren.
VARNING
Explosionsfara vid felaktigt batteribyte.
Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.
Kassera anvant batteri enligt fabrikantens instruktion.
VAROITUS
Paristo voi rajahtaa, jos se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiiin.
Havita kaytetty paristo valmistajan ohjeiden mukaisesti.
The following information complies with Dutch official Gazette 1995.45; ESSENTIALS OF ORDER ONTHE COLLECTION OF
BATTERIES.
• Please refer to the diassembly procedure for the removal of Back-up Battery.
• Leest u voor het verwijderen van de backup batterij deze beschrijving.
リチウム電池の取り扱い
<注意>
リチウム電池を誤って交換すると爆発する危険があります。交換する場合は、サービスマニュアルで指定された部品を使用してく
ださい。

DME24N/DME64N
4
Sampling Frequency Internal 44.1kHz, 48kHz, 88.2kHz, 96kHz
External Normal Rate: 39.69 – 50.88kHz
Double Rate: 79.39 – 101.76kHz
Signal Delay (Fs = 96kHz) DME24N: 0.5 msec ([IN] port to [OUT] port)
DME64N: 0.85 msec (Input of MY8-AD96 to Output of MY8-DA96)
Memory Configuration 16 (depends on size of data)
Scene 999 (depends on size of data)
Display 160 x 64 dot matrix LCD with backlight
Scene No. 7-segment LED x 3
Indicators Wordclock EXT.CLOCK, 96kHz, 88.2kHz, 48kHz, 44.1kHz
External Control NETWORK, MIDI
Zone Configuration MASTER
Analog Input*1 SIGNAL x 8, PEAK x 8
Analog Output*1 SIGNAL x 8, PEAK x 8
Power Requirements 120V AC, 60Hz (USA, Canada)
230V AC, 50Hz (Europe)
100V AC, 50/60Hz (Japan)
Power Consumption DME24N: 75W
DME64N: 80W
Dimensions (W x H x D) DME24N: 480 x 101 x 411.5mm, 2U
DME64N: 480 x 145 x 411.5mm, 3U
Weight DME24N: 8kg
DME64N: 9.5kg
Temperature Range Free-Air operating 10 – 35 °C
Storage -20 – 60 °C
AC Power Cord Length 2.5m
Supplied Accessories AC power cord, CD-ROM (DME Designer application),
Owner’s Manual, DME Designer Installation Guide, AC plug clamp,
16-pin Euroblock plug x 2, 3-pin Euroblock plug x 16 (DME24N),
8-pin Euroblock plug x 4 (DME64N), Warranty Card (Japan)
Options Control Panels ICP1 Intelligent Control Panel
CP4SW Control Panel
CP4SF Control Panel
CP1SF Control Panel
■SPECIFICATIONS(総合仕様)
*1: Available on DME24N only

DME24N/DME64N
5
Units : mm
(単位)
■DIMENSIONS(寸法図)
DME64N
480
132
145
394
405
12.5 388 11
411.5
278
53.5
300
90 90
423
96
17.5 18.5
4-M3
30
DME24N
394
405
388 11
411.5
278
88
101
52 18
18
12.5
53.5
423
4-M3
480
300
90 90
30

DME24N/DME64N
6
■Front Panel(フロントパネル)
■PANEL LAYOUT(パネルレイアウト)
HOMEHOME UTILITYUTILITYSCENE LEVELLEVEL MUTEMUTE ENTERENTERCANCELCANCEL
HOMEHOME UTILITYUTILITYSCENESCENE LEVELLEVEL MUTEMUTE ENTERENTERCANCELCANCEL
DME64N
DME24N
q
u
i
u
i
wr
t
y
e
o!0 !6 !7
!1 !2 !3 !4 !5 !8 !9
!1 !2 !3 !4 !5 !8 !9
@0 @1
@2 @3
@0 @1
@2
@3
q
wr
t
y
o!0
e
!6 !7
q[USB] Connector
w[EXT. CLOCK] Indicator
e[96kHz] [88.2kHz] [48kHz] [44.1kHz]
Indicator
r[NETWORK] Indicator
t[MIDI] Indicator
y[MASTER] Indicator
u[PEAK] Indicator (DME24N only)
i[SIGNAL] Indicator (DME24N only)
o[SCENE NUMBER] Indicator
!0 Display
!1 [SCENE] Button
!2 [HOME] Button
!3 [UTILITY] Button
!4 [LEVEL] Button
q[USB]端子
w[EXT.CLOCK]インジケーター
e[96kHz][88.2kHz][48kHz][44.1kHz]
インジケーター
r[NETWORK]インジケーター
t[MIDI]インジケーター
y[MASTER]インジケーター
u[PEAK]インジケーター(DME24Nのみ)
i[SIGNAL]インジケーター(DME24Nのみ)
o[SCENENUMBER]インジケーター
!0ディスプレイ
!1[SCENE]ボタン
!2[HOME]ボタン
!3[UTILITY]ボタン
!4[LEVEL]ボタン

DME24N/DME64N
7
!5 [MUTE] Button
!6 Dial
!7 [<] [▲] [▼] [>] Buttons
!8 [CANCEL] Button
!9 [ENTER] Button
@0 [PHONES] Jack
@1 [PHONES LEVEL] Control
@2 [MONITOR] Button
@3 [POWER] Switch
!5[MUTE]ボタン
!6ダイアル
!7[<][▲][▼][>]ボタン
!8[CANCEL]ボタン
!9[ENTER]ボタン
@0[PHONES]端子
@1[PHONESLEVEL]つまみ
@2[MONITOR]ボタン
@3[POWER]スイッチ
DME64N
DME24N
e
iwq o
tr yu
ew
!0ury t
qo
■Rear Panel(リアパネル)
q[AC IN] Connector
wGround Screw
e[GPI] Connector
r[MIDI IN] [MIDI OUT] [MIDI THRU]
Connectors
t[WORD CLOCK IN] [WORD CLOCK OUT]
Connectors
y[NETWORK] Connector
u[REMOTE] Connector
i[IN] [OUT] Connectors (DME24N only)
oI/O Slots
!0 [CASCADE IN] [CASCADE OUT] Connectors
(DME64N only)
q[ACIN]端子
wアース用ネジ
e[GPI]端子
r[MIDIIN][MIDIOUT][MIDITHRU]端子
t[WORDCLOCKIN][WORDCLOCKOUT]
端子
y[NETWORK]端子
u[REMOTE]端子
i[IN][OUT]端子(DME24Nのみ)
oI/Oスロット
!0[CASCADEIN][CASCADEOUT]端子
(DME64Nのみ)

DME24N/DME64N
8
■CIRCUIT BOARD LAYOUT(ユニットレイアウト)
●DME24N
●DME64N
Power Supply Unit
LCD
DM
JK
AD
GP
DA
HP
PS
FP
US
DSP
DC
EN1
Power Supply Unit
LCD
DM
JK
CA
GP2
GP1
HP
PS
FP
US
DSP
DC
EN1
MY

DME24N/DME64N
9
[1000]
[900]
[1000]
[1005]
[1020]
[890]
Top cover
(トップカバー
)
[1000]
Front panel
(フロントパネル)
Rack angle
(ラックアングル)
Rack angle
(ラックアングル)
[1020]
■DME24N DISASSEMBLY PROCEDURE(DME24N分解手順)
注意事項
1. フィラメントテープは、取り外す前と同じように取り
付けてください。
2. フラットケーブルの表・裏を逆に差し込まないように
注意して取り付けてください。(写真1)
Caution:
1. Be sure to attach the removed filament tape just
as it was before removal.
2. Pay attention not to insert and install the cable to
the connector inversely. (Photo 1)
Front Side (Printed Side)
表面(印刷面) Back Side
裏面
Photo 1(写真1)
Fig. 1(図1)
[890]: LAMIMATETappingScrew-S (Sタイトラミメイト) 3.0X6MFZN2BL (WD010800)
[900]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
[1000]:BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
[1005]:LAMIMATETappingScrew-S (Sタイトラミメイト) 3.0X6MFZN2BL (WD010800)
[1020]:BindHeadTappingScrew-S (+バインドSタイト) 4.0X8MFZN2BL (VJ693100)
1. Top Cover
(Time required: About 2 minutes)
1-1 Remove the (6) six screws marked [1020]. The left
and right rack angles can then be removed. (Fig. 1)
1-2 Remove the (5) five screws marked [1000] and four
(4) screws marked [1005]. The top cover can then be
removed. (Fig. 1)
1. トップカバー(所要時間:約2分)
1-1 [1020]のネジ6本を外し左右のラックアングルを外
します。(図1)
1-2 [1000]のネジ5本と[1005]のネジ4本を外し、トップ
カバーを外します。(図1)

DME24N/DME64N
10
2. Front Panel
(Time required: About 3 minutes)
2-1 Remove the top cover. (See procedure 1)
2-2 Remove the screw marked [890] and three (3) screws
marked [900]. The front panel can then be removed.
(Fig. 1)
3. DM Circuit Board
(Time required: About 3 minutes)
3-1 Remove the top cover. (See procedure 1)
3-2 Remove the six (6) screws marked [970]. The DM
circuit board can then be removed from DSP circuit
board. (Fig. 2, Photo 2)
2. フロントパネル(所要時間:約3分)
2-1 トップカバーを外します。(1項参照)
2-2 [890]のネジと[900]のネジ3本を外し、フロントパネ
ルを外します。(図1)
3. DMシート(所要時間:約3分)
3-1 トップカバーを外します。(1項参照)
3-2 [970]のネジ6本を外し、DSPシートよりDMシートを
引き抜きます。(図2、写真2)
DM
[970]
•Lithium Battery(リチウム電池)
Battery VN103500
VN103600(Battery holder for VN103500)
Notice for back-up battery removal
Push the battery as shown in figure,
then the battery will pop up.
Druk de batterij naar beneden zoals
aangeven in de tekening de batterij
springt dan naar voren.
Battery
Battery holder
DSP
DM
Fig. 2(図2)
Photo 3(写真3)
[970]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
Photo 2(写真2)

DME24N/DME64N
11
DSP
[940]
DSP
PCB spacer
(PCBスペーサ
)
4. Replacing the Lithium Battery
(Time required: About 3 minutes)
4-1 Remove the top cover. (See procedure 1)
4-2 You can replace the lithium battery from the DM circuit
board. (Fig. 2)
* The lithium battery is not part of the DM circuit board.
When you replace the DM circuit board, you should
remove the lithium battery from the board, and install
in the holder on the new circuit board. (Photo 3)
5. DSP Circuit Board
(Time required: About 4 minutes)
5-1 Remove the top cover. (See procedure 1)
5-2 Remove the DM circuit board. (See procedure 3)
5-3 Remove the six (6) screws marked [940]. The DSP
circuit board can then be removed. (Fig. 3)
5-4 Remove the PCB spacer from the DSP circuit board.
(Fig. 3)
4. リチウム電池の交換(所要時間:約3分)
4-1 トップカバーを外します。(1項参照)
4-2 DMシート上より、リチウム電池を交換することが
できます。(図2)
※ リチウム電池は、DMシートの構成部品ではありません。
DMシートを交換する際には、本体のシートからリチウム
電池を取り外して、新しいシートに取り付けてください。
(写真3)
5. DSPシート(所要時間:約4分)
5-1 トップカバーを外します。(1項参照)
5-2 DMシートを外します。(3項参照)
5-3 [940]のネジ6本を外し、DSPシートを外します。
(図3)
5-4 DSPシートより、PCBスペーサを抜き取ります。
(図3)
[940]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
Fig. 3(図3)

DME24N/DME64N
12
US FP
[710] [750][670][750]
[750]Button X9
(ボタン)
Encoder knob
(エンコーダノブ)
LCD
(液晶ディスプレイ)
6. FP Circuit Board
(Time required: About 5 minutes)
6-1 Remove the top cover. (See procedure 1)
6-2 Remove the front panel. (See procedure 2)
6-3 Remove the five (5) screws marked [750]. The FP
circuit board can then be removed. (Photo 4)
* The buttons are not part of the FP circuit board.When
you replace the FP circuit board, you should remove
the buttons from the board, and install in the buttons
to the new circuit board. (Photo 4,5)
6. FPシート(所要時間:約5分)
6-1 トップカバーを外します。(1項参照)
6-2 フロントパネルを外します。(2項参照)
6-3 [750]のネジ5本を外し、FPシートを外します。
(写真4)
※ FPシート上のボタン9個は、シートの構成部品ではありま
せん。FPシートを交換する際には、本体のシートから外し、
新しいシートに取り付けてください。(写真4、5)
7. US Circuit Board, LCD
(Time required: About 4 minutes each)
7-1 Remove the top cover. (See procedure 1)
7-2 Remove the front panel. (See procedure 2)
7-3 US Circuit Board
Remove the two (2) screws marked [710]. The US
circuit board can then be removed. (Photo 4)
7-4 LCD
Remove the four (4) screws marked [670]. The LCD
can then be removed. (Photo 4)
* To remove the cable, release the retainer of the
connector in the direction of the arrow shown in the
photo and pull out the connector. (Photo 6)
8. EN1 Circuit Board
(Time required: About 5 minutes)
8-1 Remove the top cover. (See procedure 1)
8-2 Remove the front panel. (See procedure 2)
8-3 Remove the DM circuit board. (See procedure 3)
8-4 Remove the DSP circuit board. (See procedure 5)
8-5 Pull out the encoder knob from the EN1 circuit board.
(Photo 4)
8-6 Remove the hexagonal nut marked [A]. The EN1
circuit board can then be removed. (Photo 7)
7.
USシート、液晶ディスプレイ
(所要時間:約4分)
7-1 トップカバーを外します。(1項参照)
7-2 フロントパネルを外します。(2項参照)
7-3 USシート
[710]のネジ2本を外し、USシートを外します。
(写真4)
7-4 液晶ディスプレイ
[670]のネジ4を外し、液晶ディスプレイを外します。
(写真4)
※ ケーブルを外す際、矢印の方向にコネクタのツメを解除し
てから抜いてください。(写真6)
8. EN1シート(所要時間:約5分)
8-1 トップカバーを外します。(1項参照)
8-2 フロントパネルを外します。(2項参照)
8-3 DMシートを外します。(3項参照)
8-4 DSPシートを外します。(5項参照)
8-5 エンコーダノブを引き抜きます。(写真4)
8-6 [A]の特殊六角ナットを外し、EN1シートを外しま
す。(写真7)
Photo 4(写真4)
Photo 5(写真5)
[670]: BindHeadTappingScrew-B (+バインドBタイト)
2.6X6MFZN2BL (V8927300)
[710]: BindHeadTappingScrew-S (+バインドSタイト)
3.0X6MFZN2BL (EP630210)
[750]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230)

DME24N/DME64N
13
●How to remove the connector(コネクタの外し方)
9. HP Circuit Board, PS Circuit Board
(Time required: About 4 minutes)
9-1 Remove the top cover. (See procedure 1)
9-2 Remove the front panel. (See procedure 2)
9-3 Pull out the knob (PHONES LEVEL) from the HP
circuit board. (Photo 8)
9-4 Remove the two (2) hexagonal nuts marked [600] and
the screw marked [610]. The HP circuit board can then
be removed. (Photo 8)
9-5 Pull out the button (POWER) from the PS circuit board.
(Photo 8)
9-6 Remove the two (2) screws marked [570]. The PS
circuit board can then be removed. (Photo 8, 9)
9. HPシート、PS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 フロントパネルを外します。(2項参照)
9-3 ノブ(PHONESLEVEL)を引き抜きます。(写真8)
9-4 [600]の特殊六角ナット2個と[610]のネジを外し、HP
シートを外します。(写真8)
9-5 ボタン(POWER)を引き抜きます。(写真8)
9-6 [570]のネジ2本を外し、PSシートを外します。
(写真8、9)
LCD
(液晶ディスプレイ)
Photo 6(写真6)
EN1
[A]
Photo 7(写真7)
[570]: BindHeadTappingScrew-S (+バインドSタイト)
3.0X6MFZN2BL (EP630210)
[600]: HexagonalNut (特殊六角ナット)
9.0X11X2MFZN2BL (VJ388000)
[610]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230)
PS
HP
[610]
[570]
[60
0
Knob (PHONES LEVEL)
(ノブ)
Button (POWER)
(ボタン)
PS
Photo 8(写真8)
Photo 9(写真9)

DME24N/DME64N
14
[550] [490]
[310]
[430]
[420]
[320]
[480] [490]
[310][320] [320]
GP
JK
AD
[440]
[460]
Seal plate
(シール金具)
●Rear view(リア側)
[310]: PanHeadScrew (+ナベ小ネジ) 2.6X6MFZN2BL (VC990500)
[320]: BindHeadTappingScrew-S (+バインドSタイト) 3.0X6MFZN2BL (EP630210)
[480]: JackSocket (ジャックソケット) 17L-003C3 (V6164800)
[490]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X8MFZN2BL (EP600190)
[550]: PanHeadScrew (+ナベ小ネジ) 2.6X6MFZN2BL (VC990500)
[500]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230) [440]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230)
[460]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230)
10. JK Circuit Board, GP Circuit Board
(Time required: About 3 minutes each)
10-1 Remove the top cover. (See procedure 1)
10-2 JK Circuit Board
Remove the two (2) Jack Sockets marked [480], the
three (3) screws marked [490] and the two (2) screws
marked [500]. The JK circuit board can then be
removed. (Fig. 4, Photo 10)
10-3 GP Circuit Board
Remove the four (4) screws marked [550]. The GP
circuit board can then be removed. (Fig. 4, Photo 10)
10. JKシート、GPシート(所要時間:各約3分)
10-1 トップカバーを外します。(1項参照)
10-2 JKシート
[480]のジャックソケット2本と[490]のネジ3本と
[500]のネジ2本を外し、JKシートを外します。
(図4、写真10)
10-3 GPシート
[550]のネジ4本を外し、GPシートを外します。
(図4、写真10)
Fig. 4(図4)
Photo 10(写真10)
Photo 11(写真11)

DME24N/DME64N
15
11. AD Circuit Board
(Time required: About 5 minutes)
11-1 Remove the top cover. (See procedure 1)
11-2 Remove the JK circuit board. (See procedure 10-2)
11-3 Remove the three (3) screws marked [460]. The Seal
Plate can then be removed. (Photo 11)
11-4 Remove the four (4) screws marked [420], the three
(3) screws marked [430] and the three (3) screws
marked [440]. The AD circuit board can then be
removed. (Fig. 4, Photo 11)
12. DA Circuit Board, DC Circuit Board
12-1 Remove the top cover. (See procedure 1)
12-2 Remove the DM circuit board. (See procedure 3)
12-3 Remove the DSP circuit board. (See procedure 5)
12-4 Remove the JK circuit board. (See procedure 10-2)
12-5 Remove the AD circuit board. (See procedure 11)
12-6 DA Circuit Board
(Time required:About 9 minutes)
Remove the four (4) screws marked [310], the three
(3) screws marked [320] and the eight (8) screws
marked [330]. The DA circuit board can then be
removed. (Fig. 4, Photo 12)
* Before replacing the DA circuit board, make sure that
optional card is not inserted in the unit.
12-7 DC Circuit Board
(Time required:About 8 minutes)
Remove the six (6) screws marked [380]. The DC
circuit board can then be removed. (Photo 13)
11. ADシート(所要時間:約5分)
11-1 トップカバーを外します。(1項参照)
11-2 JKシートを外します。(10-2項参照)
11-3 [460]のネジ3本を外し、シール金具を外します。
(写真11)
11-4 [420]のネジ4本と[430]のネジ3本と[440]のネジ3本
を外し、ADシートを外します。(図4、写真11)
12. DAシート、DCシート
12-1 トップカバーを外します。(1項参照)
12-2 DMシートを外します。(3項参照)
12-3 DSPシートを外します。(5項参照)
12-4 JKシートを外します。(10-2項参照)
12-5 ADシートを外します。(11項参照)
12-6 DAシート(所要時間:約9分)
[310]のネジ4本と[320]のネジ3本と[330]のネジ8本
を外し、DAシートを外します。(図4、写真12)
※ DAシートを外すときに、SLOTにオプションカードが装着
されていないことを確認してください。
12-7 DCシート(所要時間:約8分)
[380]のネジ6本を外し、DCシートを外します。
(写真13)
DA
[330]
[330]
DC
[380]
[330]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230) [380]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230)
Photo 12(写真12) Photo 13(写真13)

DME24N/DME64N
16
13. Power Supply Unit
(Time required: About 3 minutes)
13-1 Remove the top cover. (See procedure 1)
13-2 Remove the four (4) screws marked [220]. The power
supply unit can then be removed. (Photo 14)
14. AC Inlet Assembly, DC Fan Motor
(Time required: About 3 minutes each)
14-1 Remove the top cover. (See procedure 1)
14-2 AC InletAssembly
Remove the two (2) support marked [140], the screw
marked [170] and the cord holder. The AC inlet
assembly can then be removed. (Photo 14, 15)
14-3 DC Fan Motor
Remove the four (4) screws marked [260]. The DC
fan motor can then be removed. (Photo 14, 15)
13. 電源ユニット(所要時間:約3分)
13-1 トップカバーを外します。(1項参照)
13-2 [220]のネジ4本を外し、電源ユニットを外します。
(写真14)
14. インレットAssy、DCファンモーター
(所要時間:各約3分)
14-1 トップカバーを外します。(1項参照)
14-2 インレットAssy
[140]のサポート2本と[170]のネジとインシュロッ
クタイを外し、インレットAssyを外します。
(写真14、15)
14-3 DCファンモーター
[260]のネジ4本を外し、DCファンモーターを外しま
す。(写真14、15)
[140]: Support (サポート) (V5600300)
[260]: PanHeadScrew (+ナベ小ネジ) SP4.0X35MFZN2BL (VC080700)
[220][170]
Power supply unit
(電源ユニット)
Cord holder
(インシュロックタイ)
AC inlet assembly
(インレットAss'y)
DC fan motor
(DCファンモーター)
[260]
[140]
AC inlet assembly
(インレットAss'y)DC fan motor
(DCファンモーター)
[170]: BindHeadTappingScrew-S (+バインドSタイト) 4.0X8MFZN2BL (VI693100)
[220]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
Photo 14(写真14)
Photo 15(写真15)

DME24N/DME64N
17
[950]
[850]
[950]
[955]
[970]
[840]
Top cover
(トップカバー
)
[950]
Front panel
(フロントパネル)
Rack angle
(ラックアングル)
Rack angle
(ラックアングル)
[970]
注意事項
1. フィラメントテープは、取り外す前と同じように取り
付けてください。
2. フラットケーブルの表・裏を逆に差し込まないように
注意して取り付けてください。(写真1)
Caution:
1. Be sure to attach the removed filament tape just
as it was before removal.
2. Pay attention not to insert and install the cable to
the connector inversely. (Photo 1)
Front Side (Printed Side)
表面(印刷面) Back Side
裏面
Photo 1(写真1)
Fig. 1(図1)
[840]: LAMIMATETappingScrew-S (Sタイトラミメイト) 3.0X6MFZN2BL (WD010800)
[850]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
[950]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
[955]: LAMIMATETappingScrew-S (Sタイトラミメイト) 3.0X6MFZN2BL (WD010800)
[970]: BindHeadTappingScrew-S (+バインドSタイト) 4.0X8MFZN2BL (VJ693100)
1. Top Cover
(Time required: About 2 minutes)
1-1 Remove the (6) six screws marked [970]. The left and
right rack angles can then be removed. (Fig. 1)
1-2 Remove the (5) five screws marked [950] and four (4)
screws marked [955]. The top cover can then be
removed. (Fig. 1)
1. トップカバー(所要時間:約2分)
1-1 [970]のネジ6本を外し左右のラックアングルを外し
ます。(図1)
1-2 [950]のネジ5本と[955]のネジ4本を外し、トップカ
バーを外します。(図1)
■DME64N DISASSEMBLY PROCEDURE(DME64N分解手順)

DME24N/DME64N
18
2. Front Panel
(Time required: About 3 minutes)
2-1 Remove the top cover. (See procedure 1)
2-2 Remove the screw marked [840] and three (3) screws
marked [850]. The front panel can then be removed.
(Fig. 1)
3. DM Circuit Board
(Time required: About 3 minutes)
3-1 Remove the top cover. (See procedure 1)
3-2 Remove the six (6) screws marked [920]. The DM
circuit board can then be removed from DSP circuit
board. (Fig. 2, Photo 2)
2. フロントパネル(所要時間:約3分)
2-1 トップカバーを外します。(1項参照)
2-2 [840]のネジと[850]のネジ3本を外し、フロントパネ
ルを外します。(図1)
3. DMシート(所要時間:約3分)
3-1 トップカバーを外します。(1項参照)
3-2 [920]のネジ6本を外し、DSPシートよりDMシートを
引き抜きます。(図2、写真2)
DM
[920]
•Lithium Battery(リチウム電池)
Battery VN103500
VN103600(Battery holder for VN103500)
Notice for back-up battery removal
Push the battery as shown in figure,
then the battery will pop up.
Druk de batterij naar beneden zoals
aangeven in de tekening de batterij
springt dan naar voren.
Battery
Battery holder
DSP
DM
Fig. 2(図2)
Photo 3(写真3)
[920]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
※この写真はDME24Nです
Photo 2(写真2)

DME24N/DME64N
19
DSP
[890]
DSP
PCB spacer
(PCBスペーサ
)
4. Replacing the Lithium Battery
(Time required: About 3 minutes)
4-1 Remove the top cover. (See procedure 1)
4-2 You can replace the lithium battery from the DM circuit
board. (Fig. 2)
* The lithium battery is not part of the DM circuit board.
When you replace the DM circuit board, you should
remove the lithium battery from the board, and install
in the holder on the new circuit board. (Photo 3)
5. DSP Circuit Board
(Time required: About 4 minutes)
5-1 Remove the top cover. (See procedure 1)
5-2 Remove the DM circuit board. (See procedure 3)
5-3 Remove the six (6) screws marked [840]. The DSP
circuit board can then be removed. (Fig. 3)
5-4 Remove the PCB spacer from the DSP circuit board.
(Fig. 3)
4. リチウム電池の交換(所要時間:約3分)
4-1 トップカバーを外します。(1項参照)
4-2 DMシート上より、リチウム電池を交換することが
できます。(図2)
※ リチウム電池は、DMシートの構成部品ではありません。
DMシートを交換する際には、本体のシートからリチウム
電池を取り外して、新しいシートに取り付けてください。
(写真3)
5. DSPシート(所要時間:約4分)
5-1 トップカバーを外します。(1項参照)
5-2 DMシートを外します。(3項参照)
5-3 [890]のネジ6本を外し、DSPシートを外します。
(図3)
5-4 DSPシートより、PCBスペーサを抜き取ります。
(図3)
[890]: BindHeadTappingScrew-B (+バインドBタイト) 3.0X6MFZN2BL (EP600230)
Fig. 3(図3)

DME24N/DME64N
20
US FP [700]Button X9
(ボタン)
[660] [700][620][700]
Encoder knob
(エンコーダノブ)
LCD
(液晶ディスプレイ)
6. FP Circuit Board
(Time required: About 4 minutes)
6-1 Remove the top cover. (See procedure 1)
6-2 Remove the front panel. (See procedure 2)
6-3 Remove the five (5) screws marked [700]. The FP
circuit board can then be removed. (Photo 4)
* The buttons are not part of the FP circuit board.When
you replace the FP circuit board, you should remove
the buttons from the board, and install in the buttons
to the new circuit board. (Photo 4,5)
6. FPシート(所要時間:約4分)
6-1 トップカバーを外します。(1項参照)
6-2 フロントパネルを外します。(2項参照)
6-3 [700]のネジ5本を外し、FPシートを外します。
(写真4)
※ FPシート上のボタン9個は、シートの構成部品ではありま
せん。FPシートを交換する際には、本体のシートから外し、
新しいシートに取り付けてください。(写真4、5)
7. US Circuit Board, LCD
(Time required: About 4 minutes each)
7-1 Remove the top cover. (See procedure 1)
7-2 Remove the front panel. (See procedure 2)
7-3 US Circuit Board
Remove the two (2) screws marked [660]. The US
circuit board can then be removed. (Photo 4)
7-4 LCD
Remove the four (4) screws marked [620]. The LCD
can then be removed. (Photo 4)
* To remove the cable, release the retainer of the
connector in the direction of the arrow shown in the
photo and pull out the connector. (Photo 6)
8. EN1 Circuit Board
(Time required: About 5 minutes)
8-1 Remove the top cover. (See procedure 1)
8-2 Remove the front panel. (See procedure 2)
8-3 Remove the DM circuit board. (See procedure 3)
8-4 Remove the DSP circuit board. (See procedure 5)
8-5 Pull out the encoder knob from the EN1 circuit board.
(Photo 4)
8-6 Remove the hexagonal nut marked [A]. The EN1
circuit board can then be removed. (Photo 7)
7.
USシート、液晶ディスプレイ
(所要時間:約4分)
7-1 トップカバーを外します。(1項参照)
7-2 フロントパネルを外します。(2項参照)
7-3 USシート
[660]のネジ2本を外し、USシートを外します。
(写真4)
7-4 液晶ディスプレイ
[620]のネジ4を外し、液晶ディスプレイを外します。
(写真4、6)
※ ケーブルを外す際、矢印の方向にコネクタのツメを解除し
てから抜いてください。(写真6)
8. EN1シート(所要時間:約5分)
8-1 トップカバーを外します。(1項参照)
8-2 フロントパネルを外します。(2項参照)
8-3 DMシートを外します。(3項参照)
8-4 DSPシートを外します。(5項参照)
8-5 エンコーダノブを引き抜きます。(写真4)
8-6 [A]の特殊六角ナットを外し、EN1シートを外しま
Photo 4(写真4)
Photo 5(写真5)
[620]: BindHeadTappingScrew-B (+バインドBタイト)
2.6X6MFZN2BL (V8927300)
[660]: BindHeadTappingScrew-S (+バインドSタイト)
3.0X6MFZN2BL (EP630210)
[700]: BindHeadTappingScrew-B (+バインドBタイト)
3.0X6MFZN2BL (EP600230)
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