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Pioneer XW-HTD640 Service Manual
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Pioneer XW-HTD640 Service Manual

Pioneer XW-HTD640 Service Manual

Digital wireless speaker system
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Download this manual See also: Operating Instructions
Digital Wireless Speaker System
XW-HTD640
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XW-HTD640
KUCXJ
÷
Ask user to bring the Transmitter and Wireless Speaker pair set together when
servicing.
Component
DVD 5.1ch SURROUND SYSTEM
DVD/CD RECEIVER
SPEAKER SYSTEM
DIGITAL WIRELESS SPEAKER
SYSTEM
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
1
2
3
Power Requirement
AC120V
System
XV-HTD640
S-HTD540
XW-HTD640
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
CHANNEL
4
XW-HTD640
Service Manual
RRV2930
RRV2943
RRV2987
ORDER NO.
RRV2987
Remarks
Remarks
This manual
T-ZZR JULY 2004 printed in Japan

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Summary of Contents for Pioneer XW-HTD640

  • 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...

  • 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 By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. XW-HTD640...

  • Page 4: Table Of Contents

    7.1 DIAGNOSIS ............................. 57 7.1.1 TROUBLESHOOTING ........................57 7.1.2 NOTES ON REPLACE OF PARTS ..................... 58 7.1.3 DIAGNOSIS OF THE AMPLIFIER SECTION ..................58 7.1.4 PROTECTION CIRCUIT........................59 7.1.5 DISASSEMBLY ........................... 61 7.2 IC ................................64 8. PANEL FACILITIES ............................73 XW-HTD640...

  • Page 5: Specifications

    1. SPECIFICATIONS Digital Wireless Speaker System (XW-HTD640) Accessories (XW-HTD640) AC adapter .......1 RCA stereo cord .

  • Page 6: Exploded Views And Parts List

    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 SECTION Transmitter Wireless Speaker XW-HTD640...
  • Page 7 NSP 4 Literature Bag AHG1180 > AC Power Cord ADG7021 • • • • • • • • Polyethylene Bag VHL1051 Packing Sheet (large) AHG7010 Pad L AHA7430 Pad R AHA7431 Packing Case AHD8288 NSP 13 Warranty Card ARY7045 XW-HTD640...

  • Page 8: Transmitter Section

    2.2 TRANSMITTER SECTION XW-HTD640...
  • Page 9 Description Part No. TX Assy AWU8228 TX Module AXF7010 Top Panel Wiz AAK8205 CS Lens AAK8133 CS Button T AAD7729 Chassis T ANA7157 AEB7090 TORX Screw * ABA7111 NSP 9 Name Label T AAL7362 * Use TORX driver GGK1028. XW-HTD640...

  • Page 10: Wireless Speaker Section

    2.3 WIRELESS SPEAKER SECTION Refer to "2.4 AMP MODULE L-2CH" XW-HTD640...
  • Page 11 AMB7876 Grille Assy AXG7225 Operation Panel AAK8196 OP Lens AAK8198 NSP 41 SP Grille WIZ AAK8197 NSP 42 Jersey Net AAR7011 Rear Case Assy AXG7224 Screw BBZ40P060FTC • • • • Screw BPZ40P100FNI Screw BBZ30P060FTC Screw VPZ30P080FNI Screw BBZ30P080FNI XW-HTD640...

  • Page 12: Amp Section

    2.4 AMP SECTION XW-HTD640...
  • Page 13 DC Fan Motor AXM7025 Heat Sink ANH7169 Fan Mold AMR7470 Rear Mold AMR7437 Insulation Rubber AEB7256 Insulation Plate AND7055 FET Bracket A ANG7432 PCB Holder ANG7472 Mica Sheet A AEE7049 Mica Sheet B AEE7050 Screw (3x10) ABA7117 Screw BPZ30P080FNI Screw BBZ30P060FTC XW-HTD640...

  • Page 14: Block Diagram And Schematic Diagram

    Freesystems Rx Chip System Reset Interface RESETIN CN3051 (13P) V+9RF EEPROM for FS 5 14 LOUT X (Lch) VOUTL NC7SPU04 DATA ROUT Y (Rch) VOUTR VCXO IC3301 CN3701 IC3001 NJM4558 NJM4558MD PCM1742KE (12P) (12P) BU4052BCF DAC Filter D/A Converter Selecter 12.288MHz XW-HTD640...

  • Page 15: Speaker Section

    CN3301 CN3306 J3401 (5P) (5P) Q3305 CN3302 CN3304 (15P) (15P) REGULATOR ASSY VD+9 VA+9 DC FAN CN3305 CN3303 MOTOR CN3651 (10P) (10P) UPRE5V UPRE5V V+9RF PRE5V PRE REG. Circuit REF5V for +5V PRE12V PRE12V Short DET. XPROTECT FAN DET. XW-HTD640...

  • Page 16: Overall Wiring Diagram

    12 11 10 9 9 10 CN3701 MAIN ASSY (AWU8229) CN13 9 10 13 14 15 9 10 13 14 15 CN12 POWER CORD : ADG7021 POWER TRANSFORMER SW ASSY : ATS7366 POWER ASSY (AWU8233) PRI ASSY CN11 (AWU8230) NEUTRAL (AWU8234) LIVE XW-HTD640...
  • Page 17 13 14 15 9 10 9 10 13 14 15 CN3304 CN3306 CN3305 R ch J3401 SPEAKER : B70AC50-52C SL+ (R+) SL– (R–) SR– (L–) SR+ (L+) L ch SPEAKER : B70AC50-52C CN3051 9 10 9 10 CN3502 OP ASSY (AWU8231) XW-HTD640...

  • Page 18: Tx Assy

    3.3 TX ASSY TX ASSY (AWU8228) XW-HTD640...
  • Page 19 : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE (L ch) Switches S8901 : Ch. select CH Select SW. XW-HTD640...

  • Page 20: Main, Power, Op, Pri And Sw Assys

    3.4 MAIN, POWER, OP, PRI and SW ASSYS CN3301 CN3303 CN3302 POWER ASSY (AWU8230) POWER TRANSFORMER ATS7366 POWER CORD ADG7021 SW ASSY (AWU8233) REK1110 1.6A • NOTE FOR FUSE REPLACEMENT CAUTION PRI ASSY (AWU8234) B C F XW-HTD640...
  • Page 21 : AUDIO SIGNAL ROUTE (L ch) MAIN ASSY (AWU8229) OP ASSY (AWU8231) Switches S5901 : SURROUND/STEREO S5902 : Ch.select : The power supply is shown with the marked box. XW-HTD640...

  • Page 22: Amp And Regulator Assys

    3.5 AMP and REGULATOR ASSYS REGULATOR ASSY (AWU7969) 14.7V 8.4V 16.4V CN3305 26.4V XW-HTD640...
  • Page 23 : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE (L ch) AMP ASSY (AWU7968) CN3306 CN3304 XW-HTD640...

  • Page 24: Tx Module(1/3)

    3.6 TX MODULE(1/3) TX MODULE(1/3) (AXF7010) IC 1 DTL1067 VTL1145 XW-HTD640...
  • Page 25 DTL1067 XW-HTD640...

  • Page 26: Tx Module(2/3)

    3.7 TX MODULE(2/3) TX MODULE(2/3) (AXF7010) CN8201 CN10 VKN1185 XW-HTD640...
  • Page 27 : The power supply is shown with the marked box. 1/3,3/3 XW-HTD640...

  • Page 28: Tx Module(3/3)

    3.8 TX MODULE(3/3) TX MODULE(3/3) (AXF7010) QTL1011 S5668G XW-HTD640...
  • Page 29 1/3,2/3 DTL1067 DTL1067 IC23 DTL1067 : The power supply is shown with the marked box. XW-HTD640...

  • Page 30: Rx Module(1/4)

    3.9 RX MODULE(1/4) RX MODULE(1/4) (AXF7011) DTL1067 DTL1067 IC25 DTL1067 XW-HTD640...
  • Page 31 DTL1067 XW-HTD640...

  • Page 32: Rx Module(2/4)

    3.10 RX MODULE(2/4) RX MODULE(2/4) (AXF7011) VKN1213 XW-HTD640...
  • Page 33 : The power supply is shown with the marked box. IC20 IC11 XW-HTD640...

  • Page 34: Rx Module(3/4)

    3.11 RX MODULE(3/4) L104 DTL1067 L105 DTL1067 IC28 LCTAW100J 2520 IC12 LCTAW100J 2520 IC19 IC17 S5688G QTL1011 : The power supply is shown with the marked box. XW-HTD640...
  • Page 35 RX MODULE(3/4) (AXF7011) IC16 DTL1067 XW-HTD640...

  • Page 36: Rx Module(4/4)

    3.12 RX MODULE(4/4) RX MODULE(4/4) (AXF7011) XW-HTD640...
  • Page 37 XW-HTD640...

  • Page 38: Waveforms

    V : 2V/div. H : 10µsec/div. V : 2V/div. H : 10µsec/div. IC9-Pin12 IC28-Pin1 V : 2V/div. H : 200nsec/div. V : 2V/div. H : 200nsec/div. IC9-Pin9 IC28-Pin2 V : 2V/div. H : 1µsec/div. V : 2V/div. H : 2µsec/div. XW-HTD640...

  • Page 39: Pcb Connection Diagram

    Symbol In PCB Symbol In Schematic Part Name Diagrams Diagrams C E B Capacitor Connector Transistor B C E SIDE A Transistor with resistor B C E Field effect SIDE B P.C.Board Chip Part transistor Resistor array 3-terminal regulator XW-HTD640...

  • Page 40: Tx Assy

    4.1 TX ASSY SIDE A SIDE A TX ASSY CN8201 (ANP7509-A) SIDE B SIDE B TX ASSY CN8201 CN8201 TX ASSY PNE-1B1 IC8101 Q8504 Q8504 Q8503 Q8106 Q8505 Q8503 Q8506 Q8505 Q8502 Q8501 Q8502 Q8501 IC8501 IC8501 (ANP7509-A) XW-HTD640...

  • Page 41: Op And Sw Assys

    SIDE A SIDE A SW ASSY OP ASSY AWU8231 W171 AWU8236 S5901 W170 W111 GNDA W110 VR3051 W109 PNE-1B1 OP ASSY POWER TUNED CN3052 CN3052 (ANP7509-A) (ANP7509-A) CN3051 SIDE B SIDE B OP ASSY SW ASSY CN3052 (ANP7509-A) (ANP7509-A) XW-HTD640...

  • Page 42: Main Assy

    W142 VD+9 W141 D3371 GNDA C3387 CN13 C3383 C3384 W126 VREF CN3305 W140 W139 W125 PROTECT PROTECT D3301 W137 GNDS W123 GNDS W136 W151 GNDS GNDS R103 R102 CN3304 CN3306 (ANP7509-A) CN13 CN3304 CN3305 CN3306 CN12 CN3302 CN3303 CN3301 XW-HTD640...
  • Page 43 C3389 C3393 C3394 R3002 CN13 R3001 C3390 R3451 R3395 R3396 VREF R3456 Q3451 R3457 Q3452 CN3305 R3301 R3454 R101 PROTECT CN3305 PROTECT R3453 R3452 R3406 R3405 GNDS GNDS GNDS GNDS C3401 C3402 C3406 C3405 CN3304 CN3306 CN3306 CN3304 (ANP7509-A) XW-HTD640...

  • Page 44: Power And Pri Assys

    (ANP7509-A) mAL V POWER ASSY TRANS. PRIMARY CAUTION AC IN REPLACE WITH SAME TYPE AND RATINGS OF FUSE. tekan tekan PRI ASSY AWU8232 W169 AWU8234 W168 ATTENTION REMPLACER PAR LE FUSIBLE PAR UN MODELE IDENTIQUE EN INTENSITE PNE-1B1 (ANP7509-A) XW-HTD640...
  • Page 45 SIDE B SIDE B CN12 POWER CN12 ASSY VDET CN11 POWER ASSY PNE-1B1 (ANP7509-A) ASSY LIVE PRIMARY NEUTRAL PNE-1B1 PRI ASSY (ANP7509-A) XW-HTD640...

  • Page 46: Amp And Regulator Assys

    AWU7969 (ANP7460-A) CN3304 CN3306 ASSY CN3302 CN3301 W131 MUTE W126 W141 W130 R+OUT GNDA W129 R-OUT W140 W127 GNDA W114 GNDP W139 W111 W113 L-OUT W138 GNDP W137 W115 L+OUT W112 PNE-1B1 IC3301 IC3301 AWU7968 AWM7685-A PRINTED SIDE (ANP7460-A) XW-HTD640...
  • Page 47 Q3653 Q3652 Q51 Q3652 R3680 R3679 R3652 PNE-1B1 Q81(Q52) R3655 (ANP7460-A) CN3302 CN3301 ASSY Q3302 Q3302 R3306 R3305 D3304 Q3301 Q3301 Q3305 R3313 R3308 C3309 Q3304 Q3304 R3314 Q3303 MUTE Q3303 GNDA C3308 R3309 C3304 Q3656 C3303 PNE-1B1 (ANP7460-A) XW-HTD640...

  • Page 48: Tx Module

    4.6 TX MODULE SIDE A SIDE A CN8201 TX MODULE XW-HTD640...
  • Page 49 SIDE B SIDE B TX MODULE XW-HTD640...

  • Page 50: Rx Module

    4.7 RX MODULE SIDE A SIDE A RX MODULE XW-HTD640...
  • Page 51 SIDE B SIDE B RX MODULE XW-HTD640...

  • Page 52: Pcb Parts List

    CKSRYB223K50 C8007 CAPACITOR CKSRYB102K50 C3379 CAPACITOR CEAT100M50 C8201 CAPACITOR CCSRCH221J50 C3380 CAPACITOR CEAT100M50 C8202 CAPACITOR CCSRCH221J50 C3383 ELECT. CAPACITOR CEATR22M50 C8203 CAPACITOR CCSRCH221J50 C3384 ELECT. CAPACITOR CEATR22M50 C8204 CAPACITOR CCSRCH221J50 C3386 CAPACITOR CKSRYB103K50 C8501 CAPACITOR CKSRYB103K50 C3387 CAPACITOR CEAT471M6R3 XW-HTD640...
  • Page 53 WRAPPING TERMINAL VNF1084 C3303 CAPACITOR CKSRYB222K50 C3304 CAPACITOR CKSRYB222K50 C3306 CAPACITOR CEAT100M50 OP ASSY C3307 ELECT. CAPACITOR CEAT220M50 SEMICONDUCTORS C3309 CAPACITOR CKSRYB103K50 IC3051 BA4558F-HT C3310 ELECT. CAPACITOR CEAT101M25 Q5901 TRANSISTOR 2SC4081 C3311 CAPACITOR CKSRYB103K50 D5601 LED(GREEN) SLR-343MC C3351 CAPACITOR CKSRYB104K16 XW-HTD640...
  • Page 54 CCSSYB103K16 ELECT. CAPACITOR CEAT470M25 ELECT. CAPACITOR CEAL100M16 CAPACITOR CEAT100M50 CAPACITOR CCSSYB471K50 CAPACITOR CKSRYF105Z10 ELECT. CAPACITOR CEAL101M16 RESISTORS CAPACITOR CCSSYB103K50 CAPACITOR CCSSYB103K50 RESISTOR RS1/16S4700F ELECT. CAPACITOR CEAL100M16 RESISTOR RS1/16S4700F CAPACITOR CCSSYB103K16 RESISTOR RS1/16S6801F RESISTOR RS1/16S1801F CAPACITOR CCSSYB102K50 Other Resistors RS1/16S###J XW-HTD640...
  • Page 55 RS1/16S###J C106 CAPACITOR CKSRYB103K16 C137 CAPACITOR CKSSYB473K10 OTHERS X’TAL OSC.(12.288MHz) A49US-12288FA-14-30A C138 CAPACITOR CKSSYB102K50 X’TAL OSC.(24.576MHz) R49SDA-024576-F1-25C C141 CAPACITOR CKSSYB102K50 ANT3 ANTENNA ANT0100-0016 CAPACITOR CKSSYB103K16 12P SOCKET 52418-1210 ELECT. CAPACITOR CEAL101M10 9P FFC CONNECTOR VKN1213 CAPACITOR CKSSYB103K16 CAPACITOR CKSSYB472K25 XW-HTD640...

  • Page 56: Adjustment

    *The AXX7198 on TX MODULE/RX MODULE is a service part containing two EEPROMs,both of which must be re- placed when either needs to be replaced. 6. ADJUSTMENT There is no information to be shown in this chapter. XW-HTD640...

  • Page 57: General Information

    In a case in which no sound is output from the AMP module the test terminals in the module. Besides the failure in the POWER IC, activation of the MUTE function is possible. Check that Pin 6 of CN3304 is "L" and that Pin 4 of CN3304 is "H." XW-HTD640...

  • Page 58: Notes On Replace Of Parts

    You can diagnose the amplifier section even if the transmitter section is not available. Input audio signals to the Jumper Wire for service use indicated below. At that time remove the RX MODULE. Jumper Wire for service for signal input MAIN ASSY SIDE A W195 W194 W193 XW-HTD640...

  • Page 59: Protection Circuit

    Therefore, Q3654 maintains the OFF state. In the short or open state: The voltage appears at D3664 anode in the short state and appears at D3665 anode in the open state. Q3654 turns ON and XPROTECT becomes low (Active). XW-HTD640...
  • Page 60 Note: When the protection function is activated, as the POWER LED is turned off and the fan does not rotate, it appears as if the power was just shut off. When diagnosing, you can differentiate protection status from power-off status by checking if +8 V power to the FET in the AMP module is on or not. XW-HTD640...

  • Page 61: Disassembly

    Front panel Bottom view Rear view Remove the two screws. Disconnect the one flexible cable. Remove the grille assy. Remove the control panel section. Grille assy. Control panel section CN3052 Remove the two screws. Control panel section Front panel XW-HTD640...
  • Page 62 Antenna cable Rear view CN3701 Remove the three screws. Remove the speaker cable from top barrier. Disconnect the speaker connector. Remove the antenna. Pull out the chassis section. Chassis section Antenna RX module Top barrier Speaker connector Chassis section XW-HTD640...
  • Page 63 At that time remove the RX MOD Fans Cleaning paper : GED-008 ULE. (Refer to 7.1.3 DIAGNOSIS FOR AMP SECTION) AMP Module L-2CH MAIN Assy CN3305 CN3306 CN3304 CN3301 REGULATOR Assy CN3303 Connect the jig cable (GGD1335). CN3302 Jig Cable (GGD1335) AMP Assy Diagnosis XW-HTD640...
  • Page 64 Pin function − − − – − – – − l a i l a i L " : " L " : " " , " L " : " – " , : " – l l u XW-HTD640...
  • Page 65 Low-Pass Filter Port System Clock System Clock Power Supply Zero Detect Manager Pin layout Pin function TOP VIEW − − , y l DATA − , y l LRCK DGND PCM1742 − ZEROL/NA − n i l ZEROR/ZEROA AGND XW-HTD640...
  • Page 66 ECC Engine EEPROM EEPROM Jitter Jitter Management Management SOFT KEYS SOFT KEYS Pin Assignment PLDO1 RESERVED PLDO2 RFOUT LRNIN SRCSCLK SRCDATAIN AUDIOENABLE1 FS2105TX AUDIOENABLE2 Transmitter Rev A01 64-pin LQFP TVKEY4 SDTO TVKEY3 TVKEY2 MCLK TVKEY1 SCLK AUDIOSTATUS CHANNELBIT1 READYI_ERRORI XW-HTD640...
  • Page 67 Serial Input Serial Data Output from Serial EEPROM EEPROM Serial Output Serial Data Input to Serial EEPROM EEPROM Serial Output Serial Clock Input to Serial EEPROM EEPROM Serial Output Chip Select to Serial EEPROM EEPROM (active low) Ground Ground XW-HTD640...
  • Page 68 Output ADC-MCLK (12.288 MHz) Ground Ground SCLK Output ADC-SCLK (3.072 MHz) AUDIOSTATUS System Output Audio Status Indicate, 0 => Low level audio or no audio Tri-State => Audio present Open Drain Output CHANNELBIT1 System Output Channel Number Bit 1 XW-HTD640...
  • Page 69 XW-HTD640...
  • Page 70 EEPROM EEPROM Jitter Jitter Management Management SOFT KEYS SOFT KEYS Pin Assignment VCXO5 RESERVED VCXO6 RFIN VCXO7 VCXO8 VCLKIN AUDIOENABLE1 FS2105RX AUDIOENABLE2 Receiver Rev A01 RVKEY4 64-pin LQFP SDTI RVKEY3 RVKEY2 MCLK RVKEY1 SCLK PCLKOUT AUDIOSTATUS RFNODETECT READYI _ERRORI XW-HTD640...
  • Page 71 Ground RFIN Front-End Input RF Front End Digital Output RESERVED System Input Must be tied to GND PLL_LE Front-End Output RF Module PLL Latch Enable PLL_CLK Front-End Output RF Module PLL Clock PLL_DATA Front-End Output RF Module PLL Data XW-HTD640...
  • Page 72 MCLK Output DAC-MCLK (12.288 MHz) Ground Ground SCLK Output DAC-SCLK (3.072 MHz) AUDIOSTATUS System Output Audio Status Indicate, 0 => Low level audio or no audio Tri-State => Audio present Open Drain Output RFNODETECT System Output RF Status Indicate XW-HTD640...

  • Page 73: Panel Facilities

    ¶ If the mode of the wireless speaker system and the mode of the DVD receiver do not match, loud noise may be output from the wireless speaker system. ¶ The STEREO MODE VOLUME control can be used to adjust the volume when W.STEREO is selected. XW-HTD640...

  • Page 74: Jigs List

    7 Jigs list Name Jig No. Remarks Jig Cable GGD1335 diagnosis XW-HTD640...

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