Akai Professional DPS24 Service Manual
Digital personal studio
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Also See for Professional DPS24:
- Reference manual (252 pages) ,
- Operator's manual (123 pages) ,
- Service manual (29 pages)
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48V
ON
OFF
1
2
3
4
5
6
A / B
A
B
A
B
A
B
A
B
A
B
A
B
LINE
/ MIC
LINE MIC
LINE MIC
LINE MIC
LINE MIC
LINE MIC
LINE MIC
1
2
3
4
5
6
TRIM
0
+60
0
+60
0
+60
0
+60
0
+60
0
+45
+45
+45
+45
+45
-15
-15
-15
-15
-15
-15
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
RECORD
1
1
2
2
3
3
4
4
5
5
6
/EDIT
SELECT
13
5
14
6
15
7
16
8
17
1
18
L / R
1 / 2
3 / 4
5 / 6
7 / 8
ASSIGN
L
R
20Hz
20kHz
-
24dB
+
24dB
20Hz
20kHz
-
24dB
+
24dB
Q
PAN
LOW
SWEEP
SELECT
ON
SOLO
SOLO
SOLO
SOLO
SOLO
SOLO
INPUT 1
2
3
4
5
6
TRACK
1 / 13
2 / 14
3 / 15
4 / 16
5 / 17
6 / 18
GROUP 1
GROUP 2
GROUP 3
GROUP 4
GROUP 5
GROUP 6
DIGITAL PERSONAL STUDIO
7
8
9
10
11
12
A
B
A
B
A
B
A
B
A
B
A
LINE MIC
LINE MIC
LINE MIC
LINE MIC
LINE MIC
LINE MIC
7
8
9
10
11
12
+60
0
+60
0
+60
0
+60
0
+60
0
+60
0
+45
+45
+45
+45
+45
+45
-15
-15
-15
-15
-15
-15
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
SIGNAL / CLIP
6
7
7
8
8
9
1
10
2
11
3
12
2
19
3
20
4
21
5
22
6
23
7
24
PAN
FX / AUX 1
FX / AUX 2
FX / AUX 3
FX / AUX 4
Q-STRIP
FUNCTION
Q-CHANNEL
EQ ON
PRE
PRE
PRE
PRE
20Hz
20kHz
-
24dB
+
24dB
FX / AUX 1
FX / AUX 2
FX / AUX 3
FX / AUX 4
HIGH
EFFECT / AUX SENDS
SOLO
SOLO
SOLO
SOLO
SOLO
SOLO
7
8
9
10
11
12
7 / 19
8 / 20
9 / 21
10 / 22
11 / 23
12 / 24
GROUP 7
GROUP 8
FX RTN 1
FX RTN 2
FX RTN 3
FX RTN 4
SERVICE MANUAL
B
MONITOR
LEVEL
+60
MIN
MAX
+45
CLIP
0
2
!!SOLO!!
4
6
8
10
4
2-TRACK
15
20
25
30
35
40
50
8
MONO
60
L
R
NEAR
STUDIO CR
HOURS
TB
LEVEL
SELECT
TALK BACK
EXT
MAIN
SYNC
SCREEN
OFFSET
GRID
MASTER
SHIFT
UNDO
REDO
FADER BANK
INP
TRACKS
TRACKS
GROUP
1-12
1-12
13-24
TO
FROM
IN OUT
OVER
LOOP
REWIND
FAST FORWARD
STOP
5
5
L / R
Q 1
Q 3
Q 5
F 1
F 2
F 3
F 4
F 5
F 6
LOCK
RELEASE
MINS
SECS
FRAMES
DISPLAY
SELECT
BARS
BEATS
CLOCKS
CONTRAST
CURSOR
EDIT
MIXER
AUTOMATE
FX
PROJECT
SETUP
DSP
PATCH
V
.
TRACK
CD
-
R
ZOOM
MIX SCENE
STORE
RECALL
7
8
-
PRE
ROLL
AUTO
4
5
CANCEL
ENTER
SET
1
2
USER
FX
BANK
INP MON
WHEEL
-
+
IN
OUT
JOG
SHUTTLE
AUTO LOCATE
GO TO
MEMORY
ABORT
Q 2
Q 4
Q 6
9
6
3
0
1
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Summary of Contents for Akai Professional DPS24
- Page 1 A / B LINE / MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC MONITOR LEVEL TRIM CLIP SIGNAL / CLIP SIGNAL / CLIP SIGNAL / CLIP SIGNAL / CLIP SIGNAL / CLIP...
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Page 2: Safety Check After Servicing
# SAFETY INSTRUCTIONS # INFORMATIONS 1. Parts identified by the } symbol are critical for safety. SYMBOLS FOR PRIMARY DESTINATION Replace them only with the parts number specified. Unit destinations are indicated with letters as shown below. 2. In addition to safety, other parts and assemblies are Symbols Principal Destinations specified for conformance with such regulations as those... -
Page 3: Specifications
I. SPECIFICATIONS Specifications Power Supply AC 120V 60Hz (US, Canada), 220-240V 50Hz (Europe) 110W Operating Temperature 10 - 35° C Operating Humidity 10% - 60% (without condensation) Dimensions (mm) 726 (W) x 190 (H) x 579 (D) max. (with LCD tilted down) Weight 17.8kg (without drive) Display... - Page 4 Output Level Stereo Out +4dBu (+22dBu balanced max., 20k ohms load) Main (monitor) +4dBu (+22dBu balanced max., 20k ohms load) Nearfield (monitor) +4dBu (+22dBu balanced max., 20k ohms load) Studio Out +4dBu (+22dBu balanced max., 20k ohms load) Direct Out +4dBu (+22dBu balanced max., 20k ohms load) AUX Sends 1 - 4 +4dBu (+22dBu balanced max., 20k ohms load)
- Page 5 II. DISASSEMBLY In case of trouble, etc., necessitating dismantling, please dismantle in the order shown in the illustrations. Reassemble in the reverse order. 1. Removal of the FRONT PANEL BLOCK ZS-378447 ST BID40X10STL BNI ZS-378447 ST BID40X10STL BNI ZS-331182 BT BID30X08STL BNI ZS-331182 BT BID30X08STL BNI ZS-331182...
- Page 6 ZS-331182 BT BID30X08STL BNI ZS-331182 BT BID30X08STL BNI 2. Removal of the BOTTOM COVER ZS-331182 BT BID30X08STL BNI ZS-331182 BT BID30X08STL BNI SERVICE MANUAL...
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Page 7: Principal Parts Location
III. PRINCIPAL PARTS LOCATION PC CONTROL BLK PC OPE-DIST BLK PC FADER BLK PC OPERATION R BLK PC JOG BLK PC OPERATION L BLK PC INPUT A BLK PC LED PAN BLK PC PRE-AMP BLK PC INPUT B BLK PC PAN ENC BLK PC CPU BLK PC POWER BLK POWER SW BLK... -
Page 8: Supplementary Information
IV. SUPPLEMENTARY INFORMATION 1. Test Mode While pressing the SHIFT button, press the CANCEL button to enter the DEBUG PAGE. To leave the DEBUG page, press the MAIN SCREEN button. Return to the DEBUG PAGE from any TEST MODE by pressing the CANCEL button while the SHIFT button is being pressed. - Page 9 4. JIG PC BOOT DPS24 (PART No. BA-771030J) JIG PC BOOT is used for BOOT BLOCK recovery and for CPU circuit testing etc. Insert in SLOT 1 on the OPTION BOARD. Make sure the power is off before inserting. The JIG PC BOOT will not work in any other slot besides SLOT 1.
- Page 10 4. Yous PC should automatically detect the DPS24 and open the New Hardware Wizard. 5. Choose the option in the New Hardware Wizard that allows you to specify the location of the driver files. 6. Ues the BROWSE function to locate the files expanded into the folder you created. 7.
- Page 11 Installation of Options IB-24LTC/IB-24ADT 1. Remove the screws for the cover of expansion slot and remove the cover. Save the screws. 2. Slide the Option Board in along the guide groove and press it firmly to ensure secure connection. 3. Tighten the screws back that have been removed in the previous step. IB-24SCSI 1.
- Page 12 Hard Disk Drive 1. From the bottom of the unit, remove the screws for the bottom cover and open the bottom. 2. Jumper setting of the hard disk has to be in MASTER mode with the short pin on the hard disk. 3.
- Page 13 CD-R/CD-RW Drive 1. From the bottom of the unit, remove the screws for the bottom cover and open the bottom. 2. Remove the cover for the CD-R/RW Drive on the Front Panel. 3. Jumper settingof the CD-R/RW has to be in SLAVE mode with short pin on the CD-R/RW. 4.
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Page 14: How To Use This Parts List
V. PARTS LIST ATTENTION 1. When placing an order for parts, be sure to list the Part No., Model No. and the description of each part. Otherwise, the non-delivery of the part or the delivery of a wrong part may result. 2. - Page 15 PC BOARD BLK 2. P.C. CPU BLK Ref.No Part No. Description The PC Board Block may contain several PC Boards. They appear EJ-821219X PHONE J YKB22-5244 NUT 6.3 under its block name with their individual part number. EJ-403478J DIN J YKF51-5040 5P EJ-821236X SOCKET CONNECTER YKF45-0020 4P EJ-810323J...
- Page 16 Ref.No Part No. Description Ref.No Part No. Description BT-810651J TRANS PULSE CIT0705S-35101TFP IC331 EI-810591J IC NJM5532L ET-820772X TR CHIP DTB122JKT146 T08E IC332 EI-810591J IC NJM5532L ET-821162X TR CHIP DTC343TKT146 T08E IC333 EI-821226X IC OPA2134UA FPT12E ET-433976J TR C.DTA114TKA T146T08E IC345 EI-820799X IC PCM1738E FPT16E EI-820769X...
- Page 17 Ref.No Part No. Description 4. P.C. (#)CONTROL BLK TR131 ET-362847 TR 2SA1317 S,T,U T05 P.C. CONTROL BLK TR132 ET-362209 TR 2SC3330 S,T,U T05 Ref.No Part No. Description TR151 ET-362847 TR 2SA1317 S,T,U T05 D701 ED-821003X D SILICON C. DAN217 T146T08 TR152 ET-362209 TR 2SC3330 S,T,U T05...
- Page 18 Ref.No Part No. Description Ref.No Part No. Description TR712 ET-820771X TR FET CHIP 2SK2103T100 T12E D105 ED-811455J D SILICON H 1SS133T-77 T26 TR713 ET-820771X TR FET CHIP 2SK2103T100 T12E D106 ED-811455J D SILICON H 1SS133T-77 T26 TR714 ET-820771X TR FET CHIP 2SK2103T100 T12E D151 ED-811455J D SILICON H 1SS133T-77 T26...
- Page 19 Ref.No Part No. Description Ref.No Part No. Description IC301 EI-810591J IC NJM5532L TR354 ET-821232X TR 2SC3329 GR,BL T05 IC351 EI-810591J IC NJM5532L TR401 ET-821232X TR 2SC3329 GR,BL T05 IC401 EI-810591J IC NJM5532L TR402 ET-821232X TR 2SC3329 GR,BL T05 IC451 EI-810591J IC NJM5532L TR403 ET-821232X...
- Page 20 Ref.No Part No. Description Ref.No Part No. Description D217 ED-820636X D LED SEL5755C YELLOW D702 ED-812445J IND LE SA04-21IDB D218 ED-820636X D LED SEL5755C YELLOW D703 ED-812445J IND LE SA04-21IDB D221 ED-820665X D LED SEL5955A ORANGE D704 ED-812445J IND LE SA04-21IDB D222 ED-820665X D LED SEL5955A ORANGE...
- Page 21 Ref.No Part No. Description Ref.No Part No. Description D408 ED-820751X IND LE TOA-L23ZMYMR-91B-LC D307 ED-820779X D LED VRPG3312X RED/GREEN D409 ED-820751X IND LE TOA-L23ZMYMR-91B-LC D308 ED-820779X D LED VRPG3312X RED/GREEN D410 ED-820751X IND LE TOA-L23ZMYMR-91B-LC D309 ED-820779X D LED VRPG3312X RED/GREEN D411 ED-820751X IND LE TOA-L23ZMYMR-91B-LC...
- Page 22 Ref.No Part No. Description Ref.No Part No. Description SW349 ES-410552J SW TACT SKHVBE T05 J102 EJ-821223X PHONE J YKB26-5312 S.NUT 6.3 SW350 ES-410552J SW TACT SKHVBE T05 J103 EJ-821223X PHONE J YKB26-5312 S.NUT 6.3 SW351 ES-410552J SW TACT SKHVBE T05 J104 EJ-821223X PHONE J YKB26-5312 S.NUT 6.3...
- Page 23 Ref.No Part No. Description Ref.No Part No. Description EI-820781X IC AIC1117CE ZW-270101 RING E 300SUP CMT EI-355888 IC HD74LS08P ML-820895X LEVER LOCK LCD EJ-413146J SOCKET 128D-064S2C-L14A 64P ZS-411232 BID40X10STL BNI EJ-427870J SOCKET DELC-J9SAF-10L9 9P SP-820891X PANEL FUNCTION EJ-394459J SOCKET OPTICAL GP1F32R SE-820804X MIC ACC.KCU2011-50-0010 EJ-394459J...
- Page 24 Ref.No Part No. Description Ref.No Part No. Description EV-820765J VR ROTARY RK09K113 L30 DCUT B103 EJ-821236X SOCKET CONNECTER YKF45-0020 4P [MONITOR] [USB-B] 24 KNOB SK-820593X KNOB ENCODER (A) [ORANGE] EJ-810323J SOCKET TCS7927-56 [ASCII-KEYBOARD] ES-812749J SW ROTARY ENCORDER EC12E24204 EJ-820150J SOCKET COAX. BNC-LNRD-BPAA SE-820899X WINDOW PAN [WORD CLOCK]...
- Page 25 JOG BLK JOG BLK Ref.No Part No. Description SK-820893X KNOB JOG ZS-821450X 6SET30X040SCM PKR WP SK-820894X KNOB SHUTTLE ZS-331182 BT BID30X08STL BNI ZW-820709X SW SHUTTLE SRGPVJ ZW-812440J PW122X160X050STL NI3 ES-820708X SW R.ENCORDER RES20D-50-201-1 BA-L3056A505E PC JOG BLK SERVICE MANUAL...
- Page 26 LCD BLK DPS24 SERVICE MANUAL...
- Page 27 FINAL ASSEMBLY BLK DPS24 A / B LINE / MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC MONITOR LEVEL TRIM CLIP SIGNAL / CLIP SIGNAL / CLIP SIGNAL / CLIP SIGNAL / CLIP...
- Page 28 FINAL ASSEMBLY BLK DPS24 INPUTS A 1: GROUND INPUTS B 2: HOT 3: COLD 2-TRACK IN AUX IN DIRECT OUT OPTION POWER STEREO OUT MAIN NEARFIELD STUDIO OUT AUX SENDS INSERT INSERT INSERT INSERT OPTION ADC IN SIGNAL SCSI ASCII FOOTSWITCH MP LIGHTPIPE I/O KEYBOARD...
- Page 29 1-3, Hiranuma 1-Chome, Nishi-Ku, Yokohama, Japan SERVICE SECT. PHONE : +81-45-412-2373 FAX : +81-45-412-2372 SERVICE MANUAL...