Pioneer SE-DIR800C Service Manual
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Pioneer SE-DIR800C Service Manual

Pioneer SE-DIR800C Service Manual

Digital cordless surround headphone
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DIGITAL CORDLESS SURROUND HEADPHONE
SE-DIR800C
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
SE-DIR800C
KUCXCN1
SE-DIR800C
NYXCN
For details, refer to "Important symbols for good services" .
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
Power Requirement
AC120V
AC220- 240V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
SE-DIR800C
T-ZZR MAR. 2004 printed in Japan
ORDER NO.
TRT1133
Remarks

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2004 T-ZZR MAR.

  • Page 2: Safety Information

    PIONEER Service Manual. A subscription to, or additional copies Also test with plug reversed of, PIONEER Ser vice Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER. plug as required)

  • Page 3: Table Of Contents

    4.3 MAIN PCB ASSY............................18 4.4 PCB ASSY..............................20 5. PCB PARTS LIST ............................24 6. ADJUSTMENT ..............................26 7. GENERAL INFORMATION ..........................27 7.1 DIAGNOSIS..............................27 7.1.1 TROUBLE SHOOTING ........................27 7.1.2 Disassembly ............................32 7.2 IC ................................34 7.3 ABOUT LOT MARK INDICATION......................53 8. PANEL FACILITIES ............................54 SE-DIR800C...

  • Page 4: Specifications

    Dimensions..209 (W) x 50 (H) x 104 (D) mm Mass..........Approx. 520g Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories. ** “DTS” and “DTS VIRTUAL” are trademarks of Digital Theater Systems, Inc. SE-DIR800C...
  • Page 5 Vertical Stand Coaxial digital cable (WWR1017 / UC) (WNK2387) (WDE1228 / UC) (WWR1018 / EW) (WDE1236 / EW) Rechargeable nickel-metal Warranty card Operating Instructions hydride batteries (2) (WRX1003 / UC) (WRB1055 / UC/EW) (WEX1012) (WRX1004 / EW) (WRB1056 / EW) SE-DIR800C...

  • Page 6: Exploded Views And Parts List

    Screws adjacent to mark on product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.) 2.1 PACKING x5 set SE-DIR800C...
  • Page 7 TRANSMITTER WPX1010 Operating Instructions See Contrast table(2) > AC/DC Power adaptor See Contrast table(2) (2) CONTRAST TABLE SE-DIR800C/KUCXCN1 and SE-DIR800C/NYXCN are constructed the same except for the following : SE-DIR800C/ SE-DIR800C/ Mark No. Symbol and Description NYXCN KUCXCN1 Warranty card...

  • Page 8: Transmitter Section

    2.2 TRANSMITTER SECTION SE-DIR800C...
  • Page 9 + terminal WBH1028 NSP 36 License label See Contrast table(2) C terminal WBH1029 (2) CONTRAST TABLE SE-DIR800C/KUCXCN1 and SE-DIR800C/NYXCN are constructed the same except for the following : SE-DIR800C/ SE-DIR800C/ Mark No. Symbol and Description KUCXCN1 NYXCN Caution sheet WRN1002...

  • Page 10: Headphone Section

    Phot Phot 1Heart Shield L=700 (It lets the inside of a rear band tube pass.) 2 Heart Rittsu wire L=110 2 Heart Rittsu wire L=700 (It lets the inside of a front band tube pass.) L ch R ch SE-DIR800C...
  • Page 11 WER1103 NSP 35 Resistance WER1104 Seal WRW1063 NSP 37 R PHOTO PCB ASSY WWX1069 NSP 38 L PHOTO PCB ASSY WWX1068 Screw KPZ14P050FZK Screw PPZ20P060FZK Screw PPZ20P080FZK Screw PPZ25P100FZK L Speaker unit Assy WXX1338 R Speaker unit Assy WXX1339 SE-DIR800C...

  • Page 12: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 MAIN, POWER, L.PHOTO and R.PHOTO PCB ASSYS MAIN PCB ASSY (WWX1065) : AUDIO SIGNAL ROUTE (L ch) R. PHOTO PCB ASSY (WWX1069) SE-DIR800C...
  • Page 13 ÷ 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. ÷ : The power supply is shown with the marked box. SE-DIR800C...

  • Page 14: Pcb Assy

    3.2 PCB ASSY SE-DIR800C...
  • Page 15 PCB ASSY (WWX1067) : AUDIO SIGNAL ROUTE (L ch) : The power supply is shown with the marked box. SE-DIR800C...

  • Page 16: Pcb Connection Diagram

    L.PHOTO PCB ASSY L.PHOTO PCB ASSY To TP2part angle To TP1part angle (WNP1057) hole Direct solder hole Direct solder (WNP1057) R.PHOTO PCB ASSY R.PHOTO PCB ASSY To TP4part angle To TP3part angle hole Direct solder hole Direct solder (WNP1056) (WNP1056) SE-DIR800C...

  • Page 17: Power Pcb Assy

    4.2 POWER PCB ASSY SIDE A SIDE A POWER PCB ASSY TP15 TP19 TP17 TP21 TP14 TP18 TP16 TP20 (Shield Line Heart Line) (Shield Line GND) SIDE B (WNP1055-A) IC7 IC9 POWER SIDE B PCB ASSY (WNP1055-A) SE-DIR800C...

  • Page 18: Main Pcb Assy

    4.3 MAIN PCB ASSY SIDE A SIDE A MAIN PCB ASSY (WNP1053-A) SE-DIR800C...
  • Page 19 SIDE B SIDE B MAIN PCB ASSY SPEAKER R ch TP16 TP17 TP18 TP14 (WNP1053) (Shield Line Heart Line) (Shield Line GND) SE-DIR800C...

  • Page 20: Pcb Assy

    4.4 PCB ASSY SIDE A PCB ASSY IC10 IC16 IC17 IC14 SE-DIR800C...
  • Page 21 SIDE A Q27 Q26 IC11 IC12 IC13 (WNP1054-A) SE-DIR800C...
  • Page 22 SIDE B PCB ASSY SE-DIR800C...
  • Page 23 SIDE B (WNP1054-A) SE-DIR800C...

  • Page 24: Pcb Parts List

    Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k Ω 562 x 10 5621 RN1/4PC 5 6 2 1 LIST OF ASSEMBLIES SE-DIR800C SE-DHT800C Mark Symbol and Description /KUCXCN /NYXCN 1..DIGITAL CORDLESS HEADPHONE WPH1021 WPH1021 1..Composite PCB ASSY...
  • Page 25 R22, R29, R35 RS1/16S100J Q22, Q23, Q24, Q27, Q28, Q29, Q32 DTC124EUA 1SR139-400 R58, R77, R80, R83 RS1/16S101J D3, D4, D5, D9 1SS119 R40, R71, R98, R100 RS1/16S102J D1, D2 MA2Z371 R10, R11, R12, R13, R44, R57, R64 RS1/16S103J SE-DIR800C...

  • Page 26: Adjustment

    SWITCHES AND RELAYS SW1, SW2, SW3, SW4 WSG1013 WSH1018 OTHERS JA1 JACK (2P) WKN1022 JA2 JACK (HP) WKN1020 JACK (1P) WKN1019 Heat Sink WNC1002 Oscillator (24.57MHz) WSS1019 JA4 Jack WKN1021 ADJUSTMENT There is no information to be shown in this chapter. SE-DIR800C...

  • Page 27: General Information

    R92-R93 of the transmitter. LED light up? Short-circuit between TP14 and TP15. Check the peripheries of Q24, Q26, Q27, Does the CHARGE Q30, Q31, and Q32 of the transmitter. LED light up for 5 sec.? Check the periphery of the charge terminal. SE-DIR800C...
  • Page 28 Connect the AC adaptor while holding the POWER START switch and the ProLogic II switch of the transmitter pressed. (Noise simulation mode) Is sound output from the headphone terminal of the transmitter? Is the IR-LED-drive waveform normal? (TP11-TP13) Check the headphones. Check the transmitter. SE-DIR800C...
  • Page 29 DSP (IC2), DECODER (IC1), and D/A (IC8). Is the VCOT circuit Check the peripheries of IC11 and IC12. oscillating? (TP9) Check the peripheries of IC3, Is the IR-LED-drive waveform and of the IR-LED-drive TR. normal? (TP11-TP13) POWER-OFF SE-DIR800C...
  • Page 30 Switch to analog input. Check the peripheries of A/D Is sound output? (IC7), IC6 and JA1. After three minutes or more Checking audio detection of continuous playback, Check the peripheries of IC9 and Q1. does the IR LED remain lit? SE-DIR800C...
  • Page 31 IC9, and the periphery of Q1. Check the Photo Board Assy, and the peripheries of the following: Is sound output while IC1 (RF amplifier), IC2 (decoder), signals are being received? IC3 (DAC), IC4 and IC5 (power amplifier), and the speaker. SE-DIR800C...

  • Page 32: Disassembly

    3. Remove the two screws of the base cover and remove the base cover. 4. Remove the soldering from the lead wire on the photo board. 5. Remove the screw of the board. MAIN BOARD Assy 6. Remove the photo cover. PHOTO BOARD Assy SE-DIR800C...
  • Page 33 Wire dressing Wire dressing Shielding wire 7 Lead dressing on the R-ch side Incorrect dressing of the wire may result in insufficient transmissible distance between the transmitter and the cordless headphones. Wire dressing Shielding wire SE-DIR800C...
  • Page 34 AVDD CASN DIRPCO RAMD15 DIRPRO RAMD14 AV SS RAMD13 TESTBRK RAMD12 TESTR1 RAMD11 TESTR2 RAMD10 VDD1 RAMD9 SDWCKI0 RAMD8 SDBCKI0 VDD1 /SDBCKO SDIA RAMD7 SDOA2 RAMD6 SDOA1 RAMD5 SDOA0 RAMD4 SDIB3 RAMD3 SDIB2 RAMD2 SDIB1 RAMD1 SDIB0 RAMD0 VDD2 SE-DIR800C...
  • Page 35 IPORT0-4 MainDSP (AC-3/ProLogicII/DTS decoder) Clock for DSP Block (30MHz) SDOA Interface SDOA0 LS,RS SDOA1 C,LFE SDOA2 SDIB0 SDIB1 OPORT0-7 SDIB2 SDIB3 SDIBSEL SDIB Interface RAMD0-15 CASN RASN RAMWEN RAMOEN RAMA0-17 Coefficient / SubDSP Program RAM OVFB OVFB/END SDOB Interface SE-DIR800C...
  • Page 36 DIR: Serial data master clock 128fs / Channel status output 47 DBL/V DIR: Double rate lock detect / Validity flag output 48 SDWCKI1 Word clock input for SDIB, SDOB 49 SDBCKI1 Bit clock input for SDIB, SDOB − 50 VSS Ground SE-DIR800C...
  • Page 37 Sub DSP: External memory interface Address 2 RAMA4 Sub DSP: External memory interface Address 4 RAMA3 Sub DSP: External memory interface Address 3 RAMA9 Sub DSP: External memory interface Address 9 100 RAMA10 Sub DSP: External memory interface Address 10 SE-DIR800C...
  • Page 38 127 /IC Initial clear input − 128 VSS Ground : Input pin Is : Schmitt trigger input pin I+ : Input pin with a pull-up resistor O : Output pin Ot : Tri-state output pin A : Analog pin SE-DIR800C...
  • Page 39 LC83200W (PCB ASSY : IC2) • Dolby Headphone LSI Pin Arrangement (Top view) SE-DIR800C...
  • Page 40 Block Diagram Data RAM Program ROM 11.5k×24bits 15kW×32bits Control Register Host I/F SE-DIR800C...
  • Page 41 Audio I/O selection pin FMT1 port FMT0 MUTE Mute pin (High: Mute on) STEREO Bypass setting pin of LR signal (High: Stereo bypass) PLL STOP Power save pin (Low: PLL circuit OFF) PLL1 PLL clock selection pin PLL0 SE-DIR800C...
  • Page 42 CXD4003Q (PCB ASSY : IC3) • Digital signal-processing LSI that provides functions for both transmission and reception in the DIAT (Digital Infrared Audio Transmission) system Pin Arrangement (Top view) SE-DIR800C...
  • Page 43 Block Diagram SE-DIR800C...
  • Page 44 45 TEST27 Test pin, normally fixed to L 46 TEST28 Test pin, normally fixed to L 47 TEST29 Test pin, normally open-circuit 48 TEST30 Test pin, normally open-circuit 49 TEST31 Test pin, normally open-circuit − 50 VSS Digital GND SE-DIR800C...
  • Page 45 Digital audio interface format input 96 DTIN Data input 97 BCKIN Bit clock input 98 LRCKIN LR clock input (L ch/R ch = H/L) 99 LRCKO LR clock output (L ch/R ch = H/L) − 100 VDD Digital power supply SE-DIR800C...
  • Page 46 Front/back squeeze selection of digital-audio AD/DA converter data 146 XMUTE Mute input (Mute/Through = L/H) 147 CRCCK CRC check request (Off/On = L/H) 148 TEST73 Test pin, normally fixed to L − 149 VSS Digital GND 150 SRDT Read-out output of CPU interface data SE-DIR800C...
  • Page 47 Test pin, normally open-circuit − 171 VSS Digital GND 172 TEST89 Test pin, normally open-circuit 173 TEST90 Test pin, normally open-circuit 174 TEST91 Test pin, normally open-circuit 175 TEST92 Test pin, normally fixed to L 176 TEST93 Test pin, normally open-circuit SE-DIR800C...
  • Page 48 21 OSC1 CR oscillation input 22 OSC2 Oscillation output 23 PA7 LED control 24 PA6 Charge control 25 PA5 IR LED control 26 PA4 A/D reset output 27 PB7 DSP reset output 1 28 PB6 DSP reset output 2 SE-DIR800C...
  • Page 49 HEADPHONE SE-DHP800 CXA3504M (MAIN PCB ASSY : IC1) • DIAT Receiver Analog Signal Processing IC Block Diagram SE-DIR800C...
  • Page 50 23 VCCO Power supply for output section 24 OUT Signal output pin 25 DET Output pin for input level detection − 26 GNDO GND for output section 27 AGC24 AGC amplifier output pin 28 AGC23 AGC amplifier input pin SE-DIR800C...
  • Page 51 CX4004R (MAIN PCB ASSY : IC2) • Digital Signal-processing IC for DIAT system reception Pin Arrangement (Top view) Block Diagram * Without TEST pin SE-DIR800C...
  • Page 52 Emphasis, fs information output (L: Full-band, H: Half-band) PLL VCO output 63 EMPFS1 Emphasis, fs information output Clock selection for data output EXTCK (L: APX internal connection, H: VCOR pin 64 TEST11 Test pin, normally fixed to H input) SE-DIR800C...

  • Page 53: About Lot Mark Indication

    XXXX TX sticker Date code location placed in middle Lot mark is sealing indication to the above part of the product. 0 4 2 4 Indication of lot is four columns Indicates the total weeks through the year 2004 SE-DIR800C...

  • Page 54: Panel Facilities

    (sold separately) connected to the PHONES the batteries are fully charged. jack on the front panel. DOLBY HEADPHONE button Battery compartment Use to recharge the supplied rechargeable Press to select the Dolby Headphone mode batteries. (DH1 / DH2 / DH3 / OFF). SE-DIR800C...
  • Page 55 PHONES jack 2D: Dolby Digital Use for connecting corded headphones. 2PL II: Dolby Pro Logic II decoding of analog or digital source. DTS: DTS DOLBY HEADPHONE mode indicators Light to show the Dolby Headphone mode (DH1 / DH2 / DH3). SE-DIR800C...
  • Page 56 DVD and 0dB for compatibility with a wide range player, LD player or CD player. of analog equipment. LINE IN jacks Analog input jacks for connection to audio/video equipment such as a VCR or TV. SE-DIR800C...
  • Page 57 AA dry-cell batteries. The headband automatically adjusts when Infrared sensor you put the headphones on. Infrared sensors are located on either side. POWER indicator Ear pads Lights when the headphones are on. POWER switch Press to turn on / off. SE-DIR800C...

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