This manual has been provided for the use of authorized Yamaha 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
all Yamaha product owners that all service required should be performed by an authorized Yamaha 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 belived 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 improve Yamaha 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.
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in accordance
with the following code:
GREEN-AND-YELLOW
BLUE
BROWN
: EARTH
: NEUTRAL
: 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-and-YELLOW must be connected to the
terminal in the plug which is marked by the letter E or by the safety earth
symbol or colored GREEN or GREEN-and-YELLOW.
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.
WARNING
Components having special characteristics are marked and must be replaced with parts having specification equal to those
originally installed.
• Produced data can be lost due to breakdown or mistaken
operation. We recommend that you store all important data
on your computer, CD-R/CD-RW discs, or other external
storage medium.
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
(作業中のレーザー光線からの目の保護)
AW2400
This product employs Class 1 laser. Labels on laser are
located on the upper side of the internal CD-RW drive and
the rear panel of this product.
CD-RW drive
(CD-RWドライブ)
CAUTION
ATTENTION
VORSICHT
ADVARSEL
ADVARSEL
VARNING
VARO
CLASS 3BVISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAM.
CLASSE 3B RAYONNEMENT LASER VISIBLE ET INVISIBLE EN CAS D’OUVERTURE.
EXPOSITION DANGEREUSE AU FAISCEAU.
KLASSE 3B SICHTBARE UND UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEÖFFNET.
NICHT DEM STRAHL AUSSETZEN.
KLASSE 3B SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING. UNDGÅ UDS/ETTELSE FOR STRÅLING.
KLASSE 3B SYNLIG OG USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES. UNNGÅ EKSPONERING FOR STRÅLEN.
KLASS 3B SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD. STRÅLEN ÄR FARLIG.
KURSSI 3B NÄKYVÄ JA NÄKYMÄTÖN AVATTAESSA OLET ALTTIINA LASERSÄTEILYLLE, ÄLÄ KATSO SÄTEESEN.
Laser properties of the Drive
Laser Class: Class 1 (HHS and IEC 60825-1)
Wavelength: for CD 784 nm
This product contains a laser beam component. This
component may emit in visible, as well as visible radiation,
which may cause eye damage. To protect your eyes and skin
from laser radiation, the following precaution must be used
during servicing of the unit.
1) When testing and / or repairing any component within the
product, keep your eyes and skin more than 30 cm away
from the laser pick-up unit at all time. Do not stare the
laser beam at any time.
2) Do not attempt readjustment, disassemble and repair of
the laser pick-up, unless noted elsewhere in this manual.
3) CAUTION -Use of controls or readjustments or performance
of procedures other than those specified
herein may result in hazardous radiation
exposure.
Do not disassemble the CD-RW drive unit.
VARO!
AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET
ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
ÄLÄ KATSO SÄTEESEEN.
VARNING!
OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR
ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD. BETRAKTA
EJ STRÅLEN.
4-9 Data entry/control section(データエントリー /コントロールセクション)
qw
e
r
t
y
q [INC] key
w [DEC] key
e [Cursor] keys ([▲] / [▼] / [t] / [s] keys)
r [JOG ON] key
t [UNDO/REDO] key
y [ENTER] key
u [DATA/JOG] dial
q [INC]キー
w [DEC]キー
e カーソルキー([▲]/[▼]/[t]/[s]キー)
r [JOGON]キー
t [UNDO/REDO]キー
y [ENTER]キー
u [DATA/JOG]ダイアル
4-10 Locate/Number section(ロケート /ナンバーセクション)
u
14
q
q [LOCATE] keys
w [NUM.LOCK] key
w
q [LOCATE]キー
w [NUM.LOCK]キー
4-11 Layer section(レイヤーセクション)
qwe
AW2400
rty
4-12 Locate section(ロケートセクション)
qwe
t
r
u
y
o
i
q [IN 1-8] key
w [IN 9-16] key
e [MASTER] key
r [TRACK 1-12] key
t [TRACK 13-24] key
y [REMOTE] key
q [SOUND CLIP] key
w MARK SEARCH [ ] / [ ] keys
e [MARK] key
r [AUTO PUNCH] key
t [IN] / [OUT] keys
y [SET] key
u [REPEAT] key
i [A] / [B] keys
o [CANCEL] key
q [IN1-8]キー
w [IN9-16]キー
e [MASTER]キー
r [TRACK1-12]キー
t [TRACK13-24]キー
y [REMOTE]キー
q [SOUNDCLIP]キー
w MARKSEARCH[
e [MARK]キー
r [AUTOPUNCH]キー
t [IN]/[OUT]キー
y [SET]キー
u [REPEAT]キー
i [A]/[B]キー
o [CANCEL]キー
]/[ ]キー
4-13 T ransport section(トランスポートセクション)
qwe
rty
q RTZ [ ] key
w REW [ ] key
e FF [] key
r STOP [■] key
t PLAY [
y REC [●] key
] key
q RTZ[
w REW[
e FF[]キー
r STOP[■]キー
t PLAY[
y REC[●]キー
]キー
]キー
]キー
15
AW2400
DIMENSIONS(寸法図)
533
497
503
153
145
13
Unit : mm
(単位)
16
AW2400
PN2
PN1
LCD
FD
ML
<Bottom view>
Sheet PN2 assembly
(シートPN2Assy)
LCD
(液晶ディスプレイ)
CIRCUIT BOARD LAYOUT
• T op Parts(トップ部)
(ユニットレイアウト)
17
AW2400
• Bottom Parts(ボトム部)
<Top view>
JKDA
AD
<Rear view>
<Top view>
MAIN
DA
DIO
JK
AD
Hard disk drive assembly
(HDDAssy)
CD drive assembly
(CDドライブAssy)
DIO
AC inlet assembly
(インレットAss'y)
18
Power supply unit
(電源ユニット)
PW
AW2400
DISASSEMBLY PROCEDURE
Precautions(注意事項)
After replacing the FD circuit board, be sure to calibrate
the faders. (See page 63.)
Notes on Flat Cable
Contacts are visible from the back. Pay attention not to
insert and install the cable to the connector inversely.
(Photo 1)
Front Side (Printed Side)
(表面(印刷面))
Photo 1 (写真1)
1.Top Cover (Time required: About 3 minutes)
1-1Remove the eight (8) knobs (white/black) and the
two (2) knobs (red/black) from the control panel
surface. (Fig.1)
1-2Remove the six (6) screws marked [1320A]. The
side pad R and side pad L can then be removed.
(Fig.1)
1-3Remove the ten (10) screws marked [1320B]. The
top cover can then be removed. (Fig.1, 2)
*When installing the top cover, insert the three
(3) claws of the bottom cover in the holes of
the top cover. (Fig.1)
A-4-1 Remove the top cover. (See procedure 1)
A-4-2 Remove the four (4) screws marked [500A]. The
ADDA shield plate can then be removed. (Fig.3)
A-4-3 AD Circuit Board
(Time required: About 7 minutes)
A-4-3-1
A-4-4 DA Circuit Board
A-4-4-1
*The knob spacer and gain spacer are not part of
Remove the eighteen (18) screws marked [450B],
and six (6) screws marked [460A]. The AD circuit
board can then be removed. (Fig.5)
(Time required: About 5 minutes)
Remove the six (6) screws marked [450C], and
three (3) screws marked [460B]. The DA circuit
board can then be removed. (Fig.5)
the AD circuit board or DA circuit board. When
replacing the AD circuit board or D A circuit board,
remove the knob spacer and gain spacer from
the AD circuit board or DA circuit board and
install them to the new circuit board. (Fig.6)
[230]: Pan Head Screw (小ネジ+PAN) SP4.0X25 MFZN2B3 (WE924100)
[300]: Bonding T apping Screw-B (Bタイト+BOND)3.0X10 MFZN2B3 (WE878000)
[340]: Hexagonal Nut (特種六角ナット) (V9475600)
[350]: Bonding T apping Screw-B (Bタイト+BOND)3.0X10 MFZN2B3 (WE878000)
[360]: Bind Head Screw (小ネジ+BIND) 3.0X6 MFZN2B3 (WE878300)
[300]
AC inlet assembly
(インレットAss'y)
Fig.7 (図7)
Fig.8 (図8)
[260]: Bind Head Tapping Screw-B (Bタイト+BIND)
3.0X6 MFZN2W3 (WE936300)
[310]: Bind Head Tapping Screw-S (Sタイト+BIND)
4.0X8 MFZN2W3 (WE941800)
[330]: Bind Head Tapping Screw-S (Sタイト+BIND)
3.0X6 MFZN2W3 (WE877900)
[380]: Bind Head Tapping Screw-S (Sタイト+BIND)
3.0X6 MFZN2W3 (WE877900)
[350][230][360]
[340]
DIO
23
AW2400
A-7.Power Supply Unit
(Time required: About 5 minutes)
A-7-1 Remove the top cover. (See procedure 1)
A-7-2 Remove the ADDA holder. (See procedure A-5-2)
A-7-3 Set the AC cover in a horizontal position. (Photo 2)
A-7-4 Remove the four (4) screws marked [260]. The
power supply unit can then be removed. (Fig.7)
*The power switch knob and rod are not part of
the power supply unit. When replacing the
power supply unit, remove the power switch
knob and rod from the power supply unit and
install them to the new power supply unit.
(Photo 3)
A-9-1 Remove the top cover. (See procedure 1)
A-9-2 Remove the ADDA holder. (See procedure A-5-2)
A-9-3 Remove the two (2) screws marked [300] and the
screw marked [310]. The AC inlet assembly can
then be removed. (Fig.7, 8)
A-10. Hard Disk Drive Assembly, Hard Disk
Drive (Time required: About 2 minutes)
A-10-1 Paying attention not to damage the main unit, place
it upside down on a cloth. (Fig.9)
A-10-2 Remove the six (6) screws marked [170], and lift
the hard disk drive assembly as shown in photo 5.
Remove the terminals of the connector assemblies
at the two (2) connecting parts for the hard disk
drive and remove the hard disk drive assembly.
(Fig.9, Photo 5)
A-10-3 Remove the four (4) screws marked [30B]. The two
(2) HDD supports and HDD cover can then be
removed. (Fig.10)
A-10-4 Remove the four (4) screws marked [16]. The HDD
under cover can then be removed from the hard
disk drive. (Fig.10)
* Insert a minus driver in the portion shown
in the circle "○" to remove the hard disk
drive assembly.
B-3-1 Remove the top cover. (See procedure 1)
B-3-2 Remo v e t he FD circuit board. (See procedure B-2-4)
B-3-3 Remove the fourteen (14) screws marked [1190C]. The
Digital ground
Power supply
Digital ground
Analog power supply
Analog ground
USB full-speed data
USB Hi-speed data
Analog power supply
USB Hi-speed data
USB full-speed data
Analog ground
Analog power supply
Digital ground
Digital power supply
VBUS input
Pull-up power supply output
Pull-up control
BIAS ground
Reference input
PLL ground
PLL power supply
Digital ground
Power supply
Test
Oscillation output
Oscillation input
Digital ground
Power supply
Power supply
Bus interface width select
Power supply
Digital ground
Power supply
Interrupt 0
SOF output
Read Strobe
Write Strobe
Write Strobe
Write Strobe / External trigger 0
Write Strobe / External trigger 1
Chip select
DMA request 0
DMA acknowledge 0
Split bus strobe 0
Transfer end 0
Byte Hi enable 0
External control 0
DMA request 1
DMA acknowledge 1
Split bus strobe 1
Transfer end 1
Byte Hi enable 1
External control 1
Reset
Power supply
30
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