Pioneer DEQ-P9 Service Manual
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Pioneer DEQ-P9 Service Manual

Universal digital preamp equalizer
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Service
Manual
UNIVERSAL DIGITAL PREAMP EQUALIZER
DEQ-P9
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
4. PCB CONNECTION DIAGRAM ................................16
5. ELECTRICAL PARTS LIST ........................................24
6. ADJUSTMENT..........................................................30
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER EUROPE NV
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
DEQ-P9/UC
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
UC,EW
7. GENERAL INFORMATION .......................................31
7.1 DIAGNOSIS ........................................................31
7.1.1 DISASSEMBLY .........................................31
7.1.2
7.2 IC .........................................................................33
7.3 OPERATIONAL DESCRIPTION ..........................41
8. OPERATIONS AND SPECIFICATIONS.....................43
K-ZZA. MAY 2001 Printed in Japan
ORDER NO.
CRT2686
.......33

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  • Page 1 PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER EUROPE NV PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2001 K-ZZA. MAY 2001 Printed in Japan...

  • Page 2: Safety Information

    DEQ-P9 1. SAFETY INFORMATION CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.
  • Page 3 See Contrast table(2) See Contrast table(2) 25 Clamper CNV1272 26 Filter See Contrast table(2) (2) CONTRAST TABLE DEQ-P9/UC and EW are constructed the same except for the following: Part No. Mark No. Symbol and Description DEQ-P9/UC DEQ-P9/EW 15 Polyethylene Bag CEG1173 CEG-162...
  • Page 4 DEQ-P9 2.2 EXTERIOR...
  • Page 5 DEQ-P9 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ30P060FZK 24 Connector(CN604) CKS3410 2 Badge(/UC) CAH1765 25 Shield CNC4761 26 Holder CNC9161 Badge(/EW) CAH1764 3 Cable CDE6625 27 Holder CNC9162 4 Cord Assy...

  • Page 6: Block Diagram And Schematic Diagram

    DEQ-P9 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM AUDIO CONTROL UNIT DSP UNIT CN603 CN1000 CN601 D+5V Q601 OPT5V D+5V OPTION CN602 CN1700 DSPCK DSP1 Q602 DSPOUT DEEM DEEH DATAO SDI1 DIRPCM DIRPCM DSPCK DSPPW DIRERR DIRERR DSPOUT...
  • Page 7 DEQ-P9 DSP1 C 1100 C9331F 20mA/30mA IC 1311 PCM1704U-J CN101 MUTER CN1702 CN501 Q101 Q102 BCKI MUTEL MID LCH IC 1313 LRCI IC 1300 IC 101 MID RCH OPA2134UA SM5847AF OPA2134UA IC 1310 PCM1704U-J DEMPL DEMPR Q201 Q202 IC 201...
  • Page 8 DEQ-P9 3.2 OVERALL CONNECTION DIAGRAM Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. IP-BUS=MCD, MDVD OPTICAL=SCD, OPT-MCD, OPT-DVD FM(100%)(EW): -0.1dBs FM(100%)(UC): -4.1dBs AM(30%)(EW):-10.1dBs AM(30%)(UC):-14.1dBs IP-BUS: +1.9dBs OPTICAL: +5.9dBs SYSTEM CONTROLLER...
  • Page 9 DEQ-P9 The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. AUDIO CONTROL UNIT PRE-AMPLIFIER FM(EW):+2.42dBs FM(UC):+0.42dBs AM(EW): -5.58dBs AM(UC): -9.58dBs IP-BUS:+6.42dBs...
  • Page 10 DEQ-P9 3.3 DSP UNIT(GUIDE PAGE) Large size SCH diagram Guide page OPTICAL IN Detailed page CN603 DIR. CN602...
  • Page 11 DEQ-P9 DSP UNIT FM(EW): -0.58dBs FM(UC): -4.58dBs AM(EW):-10.58dBs AM(UC):-14.58dBs IP-BUS: +1.42dBs OPTICAL: +5.42dBs CN501 ANALOG DIGITAL I/V CONVERTER FM(EW): -0.1dBs FM(UC): -4.1dBs AM(EW):-10.1dBs AM(UC):-14.1dBs IP-BUS: +1.9dBs OPTICAL: +5.9dBs 8.1V -8.1V 4.9V -5.1V CN903 AUDIO CONTROL UNIT...
  • Page 12 DEQ-P9...
  • Page 13 DEQ-P9...
  • Page 14 DEQ-P9...
  • Page 15 DEQ-P9...

  • Page 16: Pcb Connection Diagram

    DEQ-P9 4. PCB CONNECTION DIAGRAM 4.1 AUDIO CONTROL UNIT AUDIO CONTROL UNIT NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
  • Page 17 DEQ-P9 CN1702 CN1000 SIDE A CN1700 IC,Q MODE RESET OPTICAL INPUT IP-BUS INPUT CN1701...
  • Page 18 DEQ-P9 AUDIO CONTROL UNIT...
  • Page 19 DEQ-P9 SIDE B...
  • Page 20 DEQ-P9 DSP UNIT 4.2 DSP UNIT CN501...
  • Page 21 DEQ-P9 CN603 SIDE A IC,Q CN602 CN903...
  • Page 22 DEQ-P9 DSP UNIT IC,Q...
  • Page 23 DEQ-P9 SIDE B...

  • Page 24: Electrical Parts List

    =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWM7506(DEQ-P9/UC) Transistor 2SC2412K Transistor DTC114EK Unit Number : CWM7507(DEQ-P9/EW) Transistor 2SB1238 Unit Name : Audio Control Unit...
  • Page 25 DEQ-P9 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- EMI Filter CCG1083 RS1/16S103J EMI Filter CCG1083 RN1/10SE4700D RN1/10SE4700D RESISTORS RS1/16S103J RS1/16S103J RS1/4S751J RS1/10S122J RN1/10SE2202D RS1/10S123J RN1/10SE2202D RS1/4S751J RN1/10SE1002D...
  • Page 26 DEQ-P9 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S103J CFHSQ221J50 RS1/16S103J 10µF/16V CCH1396 RS1/16S103J 10µF/16V CCH1396 RS1/16S222J CCSRCH471J50 RS1/16S473J CCSRCH471J50 RS1/16S103J 10µF/16V CCH1396 RS1/16S473J 10µF/16V CCH1396 RS1/16S101J...
  • Page 27 CCH1395 1000 Inductor CTF1295 CKSRYB223K50 1002 Inductor LCTA1R0J4532 CCSQCH101J50 1003 Inductor LCTA1R0J4532 1004 Inductor CTF1306 Unit Number : CWX2519(DEQ-P9/UC) 1005 Inductor CTF1306 Unit Number : CWX2520(DEQ-P9/EW) 1006 Inductor CTF1306 Unit Name : DSP Unit 1007 Inductor CTF1306 1008 Inductor CTF1306...
  • Page 28 DEQ-P9 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1516 Inductor (DEQ-P9/EW) CTF1295 1123 RS1/16S331J 1600 Inductor CTF1295 1124 RS1/16S0R0J 1601 Inductor CTF1295 1125 RS1/16S0R0J 1602 Inductor (DEQ-P9/EW)
  • Page 29 DEQ-P9 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1610 RN1/10SE2200D 1134 CKSRYB473K25 1611 RN1/10SE2200D 1136 CKSRYB102K50 1612 RN1/10SE4701D 1138 CKSRYB473K25 1613 RN1/10SE4701D 1140 CKSRYB473K25 1614 (DEQ-P9/UC) RS1/10S0R0J...

  • Page 30: Adjustment

    DEQ-P9 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1422 CKSRYB104K25 1522 CKSRYB104K25 1423 CKSRYB104K25 1523 CKSRYB104K25 1424 CEZA470M10 1524 CEZA470M10 1425 CEZA470M10 1525 CEZA470M10 1426 CKSRYB104K25 1526...

  • Page 31: General Information

    DEQ-P9 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Case Removing the Case (Fig.1) Remove the eleven screws and then remove the Case. Fig.1 Removing the DSP Section (Fig.2) Remove the four screws. Disconnect the connector and then remove the DSP Section.
  • Page 32 DEQ-P9 Removing the DSP Unit (Fig.3) After solder is removed, straight the tabs at five locations indicated and then remove the DSP Unit. DSP Unit Fig.3 Removing the Audio Control Unit (Fig.4) Remove the three screws. Straight the tabs at five locations indicated and then remove the Audio Control Unit.

  • Page 33: Connector Function Description

    DEQ-P9 7.1.2 CONNECTOR FUNCTION DESCRIPTION IP-BUS 1. BUS+ OPTICAL INPUT 2. GND INPUT 3. GND 4. NC 5. BUS- 6. GND 1. GND 7. BUS L+ INPUT 2. GND 8. ASENB 3. NC 9. BUS R+ INPUT 4. OPTOUT 10. BUS R- INPUT 11.
  • Page 34 DEQ-P9 PML011A MUTE SIGGN D Reference-voltage- Level-selector generator CassL Output-selector bypass line CODEC- IF (4ch independent control) DC: 4.15 % 1.65 AC: 2Vr ms%0.8Vr ms CassR Bypass -gain Bypass- Selector Input -gain-adjuster SPKR1L CDL + (4-inputs independent-control) Zero-cross d etect...
  • Page 35 DEQ-P9 - Pin Functions(PD5653A) Pin No. Pin Name Format Function and Operation DFCK DF serial clock output VST1 EVOL strobe output 1(H/M/L) VST2 EVOL strobe output 2(SW) EVOL data output(47k = P.DN) EVOL serial clock output CNVSS Vss connection 7, 8...
  • Page 36 DEQ-P9 - Pin Functions(LC89055WHS-RA8) Pin No. Pin Name Function and Operation DISEL Data input pin (DIN0,DIN1) select input DOUT Serial audio data output DIN0 Digital data input DIN1 Digital data input DIN2 Digital data input DGND Digital circuit GND DVDD...
  • Page 37 DEQ-P9 * LC89055WHS-RA8 * PCM1704U-J DATA -VCC BCLK REF DC -VDD SERVO DC DGND AGND BIPOLAR OFFSET +VDD AGND 23-BIT WCLK IOUT DAC B 23-BIT DAC A 20BIT BPO DC INVERT +VCC * IS62C1024L-70QI A0-A16 :Address Inputs :Chip Enable 1 Input...
  • Page 38 DEQ-P9 - Pin Functions(PD7010A1) Pin No. Pin Name Function and Operation DITH Dither ON/OFF DITH Dither ON/OFF CKEN Crystal oscillation circuit operation control CKEN Crystal oscillation circuit operation control Oscillation section input Oscillation section output VSS1 Power supply(0V) Oscillation section output clock...
  • Page 39 DEQ-P9 PCM1716E-3 LRCK ML/IIS DATA MC/DM1 MD/DM0 CLKO MUTE MODE CS/IWO DGND ZERO AGND2R AGND2L EXTR EXTL POWER AGND1 SUPPLY...
  • Page 40 DEQ-P9 - Pin Functions(SM5847AF) Pin No. Pin Name Function and Operation Output data rate(4fs/8fs)select pin Rch data output Lch data output WCKO Word clock output BCOK Bit clock output VSSAC VDDAC Power supply Power supply Deglitch signal output Not used...

  • Page 41: Operational Description

    DEQ-P9 7.3 OPERATIONAL DESCRIPTION The DSP/DIR/DF/EVOL will be initialized, and the microcomputer will enter a normal operation. All other commands entered by key operations are also received by IP-BUS communications, and DSP/EVOL settings are conducted. For normal operations, the monitoring of the DSP error is conducted by communicating with the DSP at certain intervals.
  • Page 42 DEQ-P9 Periodical communications with DSP DSP error verification(under normal conditions) 4 ms intervals(communications) DSP error verification(under continued abnormal conditions) DSPRST(Pin67) Approx.3 sec. intervals The communications are performed with the DSP IC at 4 ms intervals (see upper left figure). The determination on whether the DSP IC is operating normally or not, is made by monitoring the DSPACK(Pin66) and DSPERR(Pin65).

  • Page 43: Operations And Specifications

    DEQ-P9 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS...
  • Page 44 DEQ-P9 MODE Switch Setting This product equipped two setting modes. The one is LR/IND mode and the other is LR/COM mode. LR/IND mode can be adjusted the equalizer and network adjustment independently between Left and Right channel. LR/COM mode can be adjusted these adjustment simultaneously between Left and Right channel.

  • Page 45: Connection Diagram

    DEQ-P9 Connection Diagram IP-BUS cable To IP-BUS OUTPUT (black) optical cable To Optical OUTPUT (black) IP-BUS INPUT DEX-P9 Optical INPUT (blue) (blue) Audio system Power Terminal Fuse (4A) RCA OUTPUT Blue/white To system control terminal of the power amp (max. 300 mA 12 V DC).
  • Page 46 DEQ-P9 Connecting the RCA Input Amplifier White For system remote control Blue/white Blue/white White Tweeter Power Amplifier Mid range Power Amplifier Woofer Power Amplifier Subwoofer Power Amplifier...

  • Page 47: Specifications

    DEQ-P9 8.2 SPECIFICATIONS - DEQ-P9/UC GENERAL RCA OUTPUT Power Source ..DC 14.4 V (10.8 — 15.1 V allowable) Frequency response .... 10 Hz — 20 kHz (+0, –1 dB) Grounding system ........Negative type Max. output level/impedance ......4 V/1 k Fuse ................
  • Page 48 DEQ-P9 - DEQ-P9/EW GENERAL RCA OUTPUT Power Source ..DC 14.4 V (10.8 — 15.1 V allowable) Frequency response .... 10 Hz — 20 kHz (+0, –1 dB) Grounding system ........Negative type Max. output level/impedance ......4 V/1 k Fuse ................

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