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PROFESSIONAL BUSINESS COMPANY

TOKYO, JAPAN

X0330V.02  DE/CDM  0705

For purposes of improvement, specifications and 
design are subject to change without notice.

Please use this service manual with referring to the 
operating instructions without fail.

Some illustrations using in this service manual are 
slightly different from the actual set.

注 意

サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。

本機の仕様は性能改良のため、予告なく変更すること
があります。

補修用性能部品の保有期間は、製造打切後 8 年です。

修理の際は、必ず取扱説明書を参照の上、作業を行っ
てください。

本文中に使用しているイラストは、説明の都合上現物
と多少異なる場合があります。

SERVICE MANUAL

PROFESSIONAL MEDIA PLAYER & CONTROLLER

MODEL

JP

E3

E2

EK

E2A E1C E1K EUT

DN-HD2500

3 3

Ver. 2

Please refer to the
MODIFICATION NOTICE.

Summary of Contents for DNHD2500 - Dual DJ MP3 Player

Page 1: ...ithout notice Please use this service manual with referring to the operating instructions without fail Some illustrations using in this service manual are slightly different from the actual set 8 SERV...

Page 2: ...at all screws parts and wires removed or discon nected for servicing have been put back in their original posi tions inspect that no parts around the area that has been serviced have been negatively a...

Page 3: ...l up the Top Panel Unit turn the back forward and then pull out the three FFC cable showed in the below drawing Notes Do not pull out aslant to prevent FFC cable damage Do not fail to pull AC cord fro...

Page 4: ...ut the LCD slowly in the direction of the arrow until just before the FFC touches the rib Note The FFC could be damaged if it bangs against the rib 2 Slowly remove upwards being careful that the FFC d...

Page 5: ...the PARAMETERS knob to set each check mode 1 FUNCTION CHK The various memories are initialized and internal communications are checked For details see No 2 2 DECK1 SW CHK The status on or off of the...

Page 6: ...to select HD2500_Init from the FUNCTION check mode s top menu then press the PARAMETERS knob to set HD2500_Init mode The contents of the preset memory are set to the factory defaults For details on t...

Page 7: ...d 2 3 CPU DSP_Check mode Not yet used Nothing happens when this is selected No Mode Operation and Function Display 2 2 RAM Check Deck1 Deck2 PARAMETERS FUNCTION RAM Check PARAMETERS RAM RAM 2 3 CPU DS...

Page 8: ...RIVE_Check mode Connect the transmission and reception pins of the DRIVE terminal to an external device loop back and supply DC 5 5V to the power terminal Turn the Deck1 or Deck2 PARAMETERS knob to se...

Page 9: ...N HD2500 2 6 Audio_OSC mode Not yet used Nothing happens when this is selected No Mode Operation and Function Display 2 6 Audio OSC Deck1 Deck2 PARAMETERS FUNCTION Audio OSC PARAMETERS LINE OUT1 2 RAM...

Page 10: ...G disc is not being touched is completed 3 Complete DECK1 Teaching Indicates that verify check of the Deck1 touch detection system data detection level value and detection threshold value is com plete...

Page 11: ...Ready is dis played then Select Param appears Be careful not to operate the panel until Select Param is displayed Deck1 operation Once Select Param is displayed for Deck1 and Deck2 turn the Deck1 PARA...

Page 12: ...n continuous playback Deck1 operation Using the same procedure as with Deck1 select and set the name of the file to be played using the Deck2 PARAMETERS knob Once the file name is set Power Off On Onl...

Page 13: ...s When buttons on Deck1 are pressed the checkbox of the corresponding button is high lighted If the checkbox is not highlighted there is a problem with that button Once all the buttons on Deck1 have b...

Page 14: ...ARAMETERS knob is pressed while the DECK2 SW CHK mode is being executed the service mode s top menu reap pears When buttons on Deck2 are pressed the checkbox of the corresponding button is high lighte...

Page 15: ...the JOG disc move if you turn it and the number of rotations if you stop it If values of three rotations and greater are displayed things are normal The counter value of the turning pulse width of th...

Page 16: ...the count value when touching and when not touching is 50 or greater things are nor mal and OK is displayed If the difference is less than 50 things are not normal and NG No Good is displayed 6 LED L...

Page 17: ...power The screen for updating the firmware appears Specify the device containing the file for updating the firmware If the file is on the built in hard disk drive press the Deck1 CUE button If the fi...

Page 18: ...off the power This is displayed if there is no file for updating the firmware on the specified device or if the file for updating the firmware is abnormal This is displayed if updating of the firmwar...

Page 19: ...V Reg A 5V AC IN 5V Reg LPF AMP LPF AMP LPF AMP LPF AMP 8V 18pinFFC 18pinFFC FADER IN A B 3 3V 1 2V 3 3V 1 2V 5V 3 3V 5V 14pin 14pin 14pin Audio DSP TMS320DA710GDH USB I F Philips ISP1761BE 1761 RST 2...

Page 20: ...S0 19 19 CS0 D_GND_1 19 19 GND CH2 3 3 CH2A P_KEYSC2 3 3 P_KEYSC2 MIB12 12 9 DD12 DASP 20 20 DASP KEY 20 20 KEY 4 4 P_SCK_2 4 4 P_SCK_2 MIB2 13 8 DD2 D_GND_2 21 21 D_GND_1 DMARQ 21 21 DMARQ 5 5 DGND 5...

Page 21: ...ROM Page2 256K Bytes 32 32 DMP PMP CSP 32 256 Program Cache 32K Bytes 64 D1 Data R W R W Data D2 64 256 Program Fetch INT I O C67x CPU Memory Controller 32 High Performance Crossbar Switch 32 McASP D...

Page 22: ...22 DN HD2500 D710E001ZDH300 Pin Function...

Page 23: ...384FS Pd Not used 35 C3 Not used 36 C4 UHPI_HBE2 Byte enable signal D23 D16 37 C5 DSPHBE Byte enable signal D15 D8 38 C6 DSPHBE Byte enable signal D7 D0 39 C7 DSPHWE I Write enable signal 40 C8 710HC...

Page 24: ...F16 ASDRAS O Sync memory row address strobe signal 97 G1 D_GND GND 98 G2 710RST I Reset 99 G3 Not used 100 G4 Not used 101 G5 CVDL I Core supply 1 2V 102 G6 D_GND GND 103 G7 D_GND GND 104 G8 D_GND GN...

Page 25: ...ND 166 L6 D_GND GND 167 L7 D_GND GND 168 L8 D_GND GND 169 L9 D_GND GND 170 L10 D_GND GND 171 L11 D_GND GND 172 L12 D_GND GND 173 L13 SHDB3 I O CPU bus data 3 174 L14 SHDB4 I O CPU bus data 4 175 L15 A...

Page 26: ...rnal memory bus data 23 227 R3 ASDCAS O Sync memory column address strobe signal 228 R4 ASDQM0 External memory byte enable signal 229 R5 AEMD6 I O External memory bus data 6 230 R6 AEMD4 I O External...

Page 27: ...rrupt request CPU NMI 15 SH_IRQb O Interrupt request 3 CPU IRQ1 16 TDO TDO 17 TMS TMS 18 TCK TCK 19 TDI TDI 20 DATA0 DATA0 Configuration CPU TxD2 21 DCLK DCLK Configuration CPU SCK2 22 nCE nCE GND 23...

Page 28: ...DE 71 VCCIO4 VCCIO4 72 MDB11 IO 16 bits data bus IDE 73 GND GND 74 MDB03 IO 16 bits data bus IDE 75 MDB12 IO 16 bits data bus IDE 76 MDB02 IO 16 bits data bus IDE 77 MDB13 IO 16 bits data bus IDE 78 G...

Page 29: ...HBE O N Audio DSP UHPI_HBE0 C6 UHPI_HBE1 C5 134 TI710_HRDY I N Host ready signal Audio DSP UHPI_HRDY D6 135 TIDSP_HRD O N ADSP UHPI_HDS1 D7 136 VCCIO3 VCCIO3 137 TIDSP_HWE O N ADSP UHPI_HDS2 C7 138 TI...

Page 30: ...PU 189 SH_DB00 IO 32 bits data bus CPU 190 VCCINT VCCINT 191 SH_DB01 IO 32 bits data bus CPU 192 SH_DB02 IO 32 bits data bus CPU 193 SH_DB03 IO 32 bits data bus CPU 194 VCCIO2 VCCIO2 195 SH_DB04 IO 32...

Page 31: ...31 DN HD2500 SH72060W200FPV IC106...

Page 32: ...bus B clock Peripheral bus P clock Port Port Port Port Port Port General input output EXTAL input XTAL output CKIO input output Clock mode input RES input MRES input NMI input IRQ input PINT input IR...

Page 33: ...SHA20 O Address bus 30 PINT2 PINT2 I Interrupt request 2 from IDE to CPU PINT2 31 PVcc V3SH I I O supply 3 3V 32 CKIO CKIO O PLL circuit clock output 67 73MHz 33 PVss D_GND GND 34 PLLVss D_GND GND 35...

Page 34: ...D_GND GND 96 AN6 LCDVCON O LCD cont 97 AN7 O Not used 98 Avref 3 3V I Analog reference voltage for A D converter 99 Avcc 3 3V I Analog power supply for A D converter 100 TxD2 CFGDAT O Configuration da...

Page 35: ...O Data bus 9 152 D8 SHDB8 I O Data bus 8 153 D7 SHDB7 I O Data bus 7 154 D6 SHDB6 I O Data bus 6 155 D5 SHDB5 I O Data bus 5 156 D4 SHDB4 I O Data bus 4 157 D3 SHDB3 I O Data bus 3 158 Vss D_GND GND 1...

Page 36: ...84 86 87 89 91 to 93 95 to 98 100 to 103 105 106 CS_N 107 RD_N 108 WR_N 112 HC_IRQ 113 DC_DREQ 111 DC_IRQ VCC I O 10 40 48 59 67 75 83 94 104 115 ISP1761BE RESET_N HC_SUSPEND WAKEUP_N 122 119 DC_SUSP...

Page 37: ...the rising edge of clock CKE controls the clock activation and deactivation When CKE is low Power Down mode Suspend mode or Self Refresh mode is entered Power for input buffers and logic circuit insi...

Page 38: ...7 BCK 8 LRCK ZEROA VOUTL VOUTR VCOM AGND VCC NC TEST 9 10 11 13 12 14 15 16 1 1 ADJ 2 2 Vcc 3 3 ITH 4 4 GND 5 5 PGND 6 6 SW 7 7 PVcc 8 8 EN SO 8 EN OUT IN OUT NO FLAG GND NC 1 6 5 4 2 3 10k 10k 6 1 2...

Page 39: ...39 DN HD2500 PRINTED WIRING BOARDS GU 3778 PANEL P W B UNIT COMPONENT SIDE...

Page 40: ...40 DN HD2500 FOIL SIDE...

Page 41: ...41 DN HD2500 GU 3780 MAIN P W B UNIT COMPONENT SIDE...

Page 42: ...42 DN HD2500 FOIL SIDE...

Page 43: ...43 DN HD2500 GU 3781 SLOT P W B UNIT FOIL SIDE COMPONENT SIDE...

Page 44: ...44 DN HD2500 GU 3782 POWER P W B UNIT COMPONENT SIDE FOIL SIDE...

Page 45: ...ning type RW Winding 3A 1W K 10 FR Fuse resistor RN Metal film 3D 2W M 20 F Lead wire forming RK Metal mixture 3F 3W 3H 5W CE Aluminum foil 0J 6 3V F 1 HS High stability type electrolytic CA Aluminum...

Page 46: ...BFNG IC806 00D 262 2557 900 SN74LV14APW EL2 REF IC807 00D 269 0226 001 GP1A038RBK TR701 708 00D 271 0260 905 2SA1036KT146 S R C TR801 808 00D 271 0260 905 2SA1036KT146 S R C D701 719 00D 276 0560 901...

Page 47: ...1 703 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C704 00D 254 4302 974 CE04W1A101MT SRE C705 706 nsp 00D 257 0511 904 CK73F1H103ZT 1608 C707 709 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C710 00D 254 4302 97...

Page 48: ...08 OTHERS PARTS GROUP CW042 043 nsp 00D 203 6393 093 4P KR DS CON CORD CX112 113 00D 205 1260 017 11P FFC BASE 9610SA CY042 043 nsp 00D 205 0355 046 4P KR CON BASE L CY112 113 00D 205 1260 017 11P FFC...

Page 49: ...3 00D 276 0560 901 DAN202KT146 C D104 00D 276 0559 909 DAP202KT146 C ZD101 00D 276 0683 943 UDZS3 6B TE17 RESISTORS GROUP R405 406 00D 247 2019 960 RM73B 123FT 1608 R411 00D 247 2019 960 RM73B 123FT 1...

Page 50: ...nsp 00D 257 5009 974 CK73F1C104ZT 1005 C189 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C190 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C191 nsp 00D 257 0503 967 CC73CH1H150JT 1608 C192 nsp 00D 257 0503...

Page 51: ...MT MV B REF OTHERS PARTS GROUP CX041 00D 205 1381 006 USB CONNECTOR CX062 00D 205 1295 008 USB B CONNECTOR CX121 00D 205 1420 909 12P FFC BASE 9639GF CX141 142 00M YJ0 7026 26Y BM14B SRSS TB CX144 00M...

Page 52: ...1608 1608 C209 00D 254 4302 974 CE04W1A101MT SRE C210 nsp 00D 257 0516 954 CK73B1E104KT 1608 C251 nsp 00D 257 0516 954 CK73B1E104KT 1608 C252 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C253 nsp 00D 2...

Page 53: ...269 0237 906 DTC123JKA TR903 00D 269 0055 900 DTA144EKT96 C TR904 00D 269 0083 901 DTA114EKT96 C D801 00D 276 0717 903 1SS355 TE 17 C D802 803 00D 276 0559 909 DAP202KT146 C D804 805 00D 276 0560 901...

Page 54: ...E3 C850 nsp 00D 254 4524 943 CE04W1H010MT SMG RE3 C851 nsp 00D 257 0509 929 CK73B1H102KT 1608 C852 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C853 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C854 nsp 00D...

Page 55: ...P AS901 902 nsp 00D 417 0476 023 RADIATOR CW041 nsp 00D 203 6393 051 4P KR DS CON CORD CW081 nsp 00D 204 2930 026 8P KR DA CON CORD CX021 nsp 00D 205 0581 001 2P VH CON BASE White CY181 00D 205 0892 0...

Page 56: ...DN HD2500 EXPLODED VIEW 35 35 36 46 45 48 55 56 58 58 59 67 56 54 30 20 51 Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacturer WARNI...

Page 57: ...d pass under the button The 1P wire should pass under the button A B Be sure there is no twisting Mount with the red part on the left side A stamp B stamp Cut along the groove indicated by the dotted...

Page 58: ...ount SLIP MAT C 4 Next mount SLIP MAT A SLIP MAT B Ref No 60 The slip mat has no specific front or rear side JOG WHEEL SUB ASSY Ref No 64 SLIP MAT E Ref No 61 The slip mat has no specific front or rea...

Page 59: ...main unit Place the supplied jig spacer t0 5 between the JOG WHEEL SUB ASSY and the slip mat on the top SLIP MAT B 7 Hold the JOG WHEEL SUB ASSY so that the jig does not move then tighten the screw us...

Page 60: ...250 Fold as shown on the diagram Approx 90mm Fold inward Fold inward Fold outward White surface Printed surface Printed surface Approx 50mm Approx 40mm Approx 20mm Approx 30mm White surface White surf...

Page 61: ...ox 90mm Printed surface Approx 50mm Approx 40mm Approx 25mm Approx 25mm White surface Fold as shown on the diagram Printed surface Printed surface White surface White surface Fold inward Fold outward...

Page 62: ...1 0 L 60 Fold inward White surface Fold outward Place fold against the reinforcement plate Fold so that the reinforcement plates meet Fold inward Fold inward Fold as shown on the diagram Fold as show...

Page 63: ...010 SUPPORT 1 11 nsp 00D 441 2020 001 FADER GUARD 1 12 00D 113 1689 001 P SW KNOB 1 13 00D 206 2089 106 AC CORD W CON E2 for E2 1 13 00D 206 2155 001 AC CORD W CON E3 for E3 1 14 00D 445 0056 008 COR...

Page 64: ...LENS 2 16 68 00D 144 3000 103 TOP PANEL 1 69 00D 143 1267 107 WINDOW 1 70 00D 113 2078 103 SLIDE KNOB 2 71 00D 112 0982 007 KNOB 1 2 72 nsp 00D GEN 8311 R SHEET E2 SUB ASSY for E2 1 73 nsp 00D GEN 83...

Page 65: ...nations E3 U S A Canada model E2 Europe model Ref No nsp Part No Part Name Remarks Q ty New 201 nsp 00D 505 0350 048 STYLEN PAPER 1 202 nsp 00D 503 1534 003 CUSHION 1 1 203 nsp 00D 503 1535 002 CUSHIO...

Page 66: ...f the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power cord is less than 460 kohms the unit is defective WARNING DO NOT return the unit to the custom...

Page 67: ...8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 1 7 DN HD2500 SCHEMATIC DIAGRAMS 1 7 GU 3778 1 PANEL UNIT GU 3778 3 SENSOR1 UNIT GU 3778 5 DISC1 UNIT GU 3778 7 JIGU UNIT...

Page 68: ...8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 2 7 DN HD2500 SCHEMATIC DIAGRAMS 2 7 GU 3778 2 PANEL2 UNIT GU 3778 4 SENSOR2 UNIT GU 3778 6 DISC2 UNIT...

Page 69: ...8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 3 7 DN HD2500 SCHEMATIC DIAGRAMS 3 7 GU 3780 1 CPU FPGA UNIT...

Page 70: ...8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 4 7 DN HD2500 SCHEMATIC DIAGRAMS 4 7 GU 3780 2 ADSP UNIT...

Page 71: ...8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 5 7 DN HD2500 SCHEMATIC DIAGRAMS 5 7 GU 3780 3 USB POWER UNIT...

Page 72: ...8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 6 7 DN HD2500 SCHEMATIC DIAGRAMS 6 7 GU 3781 1 SLOT1 UNIT GU 3781 2 SLOT2 UNIT...

Page 73: ...SIGNAL LINE 8 7 6 5 4 3 2 1 A B C D E F SCHEMATIC DIAGRAMS 7 7 DN HD2500 SCHEMATIC DIAGRAMS 7 7 GU 3782 POWER UNIT...

Page 74: ...W CON E2 COMPLEX 1 14 CORD BUSH NYLON 1 15 BUSH PLATE SECC 1 16 UL TUBE 16 BK PVC 1 17 WIRE CLAMPER NYLON 1 18 CORD HOLDER NYLON 1 19 HDD BRACKET 1 SECC C3604 1 20 SPRING SUS304 4 21 HDD BRACKET 2 SEC...

Page 75: ...PMMA 2 67 LENS 2 PMMA 16 68 TOP PANEL SECC 1 69 WINDOW PMMA 1 70 SLIDE KNOB ABS 2 71 KNOB 1 ABS 2 72 2P PIN CORD COMPLEX 2 SCREWS WASHERS 101 2 6X8CBTS P B STEEL 2 102 3X8 CBTS S B STEEL 13 103 3X8 C...

Page 76: ...N HD2500 Exploded view of DN HD2500 unit Europe model 35 35 36 46 45 48 55 56 58 58 59 67 56 54 30 20 51 You have to remove the parts that marked WEEE Mark when the recycling processing Europe model o...

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