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Pioneer XW-HTP550 Service Manual

Pioneer digital wireless speaker system
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DIGITAL WIRELESS SPEAKER SYSTEM
XW-HTP550
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XW-HTP550
KUCXJ
÷
Ask user to bring the Transmitter and Wireless Speaker pair set together when servicing.
Component
HOME THEATER SYSTEM
AUDIO MULTI-CHANNEL RECEIVER
SPEAKER SYSTEM
DIGITAL WIRELESS SPEAKER SYSTEM
Component
HOME THEATER SYSTEM
AUDIO MULTI-CHANNEL RECEIVER
SPEAKER SYSTEM
DIGITAL WIRELESS SPEAKER SYSTEM
DVD RECORDER
For details, refer to "Important Check Points for Good Servicing".
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 2005
TRANSMITTER
1
Power Requirement
AC120V
System
HTP-4600/KUCXCN
SX-315/KUCXCN
S-FCRW4500/XTW/UC
XW-HTP550/KUCXJ
System
HTP-4550DVR/KUCXCN
SX-315/KUCXCN
S-FCW4550/XTW/UC
XW-HTP550/KUCXJ
DVR-231-AV/KUXV/CA
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
DIGITAL WIRELESS SPEAKER
CHANNEL
2
3
4
XW-HTP550
Service Manual
RRV3071
RRV3112
RRV3090
Service Manual
RRV3071
RRV3118
RRV3090
RRV3124
ORDER NO.
RRV3090
Remarks
Remarks
This manual
Remarks
This manual
T-ZZV FEB. 2005 printed in Japan

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Table of Contents
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  Summary of Contents for Pioneer XW-HTP550

  • 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 2005 T-ZZV FEB.
  • Page 2: Safety Information

    For the latest information, always consult the current PIONEER Service Manual. A subscription to, or additional copies Also test with plug reversed of, PIONEER Service Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER. plug as required)
  • Page 3 To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual. XW-HTP550...
  • Page 4: Table Of Contents

    7.1.2 TROUBLE SHOOTING ......................... 35 7.1.3 DIAGNOSIS OF TX and RX MODULES ....................38 7.1.4 DIAGNOSIS OF THE AMPLIFIER SECTION ..................39 7.1.5 PROTECTION CIRCUIT ........................40 7.1.6 DISASSEMBLY ............................. 41 7.2 IC ................................43 8. PANEL FACILITIES ............................45 XW-HTP550...
  • Page 5: Specifications

    ....1 • Power cord (ADG7021) Note • The specifications and design of this product are subject to change without • AC adaptor (AWR7006) notice, due to improvement. • Operating instructions • Warranty card XW-HTP550...
  • 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 Transmitter XW-HTP550...
  • Page 7 > AC Adaptor AWR7006 RCA Stereo Cord XDE3045 Operating Instructions ARE7353 (English, French) NSP 5 Warranty Card ARY7045 NSP 6 Literature Bag AHG1180 Polyethylene Bag VHL1051 Packing Sheet AHG7015 Accessory Box NW AHB7104 Pad (L/R) AHA7440 Packing Case AHD8338 XW-HTP550...
  • Page 8: Transmitter Section

    2.2 TRANSMITTER SECTION XW-HTP550...
  • Page 9 Chassis T ANA7157 AEB7090 NSP 8 PCB Spacer(3x6) AEC7156 PCB Spacer AEC7546 NSP 10 Name Label T (KU) AAL7389 TORX Screw * ABA7111 Screw with Washer ABA7124 NSP 13 Getter KU AAX8066 * Use TORX driver GGK1028 or GGK1071. XW-HTP550...
  • Page 10: Wireless Speaker Section

    2.3 WIRELESS SPEAKER SECTION Lubricating Oil GYA-009 XW-HTP550...
  • Page 11 Rear Case Assy AXG7255 Cover AAK8282 NSP 28 Angle B NSP 29 Angle A NSP 30 Name Label (KU) AAL7388 ICP Label XAX3121 • • • • • • • Screw BBZ30P080FNI Screw BBZ40P060FTC Screw BPZ30P080FTC Screw BPZ40P100FNI Lubricating Oil GYA-009 XW-HTP550...
  • Page 12: Block Diagram And Schematic Diagram

    CN5902 (5P) VD+9 CN5901 BBIC (5P) EEPROM ROUT LOUT ID Learn LOUT ID Learn ID Learn ROUT ID State CN8204 Sync (12P) IC8003 V+5RF V+5RF REG 5V NJM78M05FA 3.3V REG. 3.3V REG. 2.8V REG. V+5RF CN8203 (12P) RX ASSY XW-HTP550...
  • Page 13 VA+9 RELAY DRIVE Relay Control Q3455 Q3454 Q3453 IC3301 BA4558 OP AMP X (Lch) Y (Rch) PRIMARY ASSY POWER Supply CN3701 (12P) POWER CN11 TRANSFORMER AC IN MAIN VA+9 V+9RF VPRE9 VD+9 NEUTRAL MAIN LIVE IC15 REG 9V NJM78M09FA XW-HTP550...
  • Page 14: Overall Wiring Diagram

    DC IN No circuit diagram GNDA channel Reciever Section CN3401 B5P-VH SR+ (L+) SR- (L-) MAIN ASSY (AWU8261) SL- (R-) SL+ (R+) PRIMARY ASSY (AWU8266) ASG7024- AC CORD CN11 AC POWER SW B4PS-VH MAIN MAIN NEUTRAL LIVE /KUCXJ XKP3042 B2P3-VH XW-HTP550...
  • Page 15 BINDER ASSY (AWU8264) POWER PCB BINDER : VEF1040 TUNED CN3701 CN8204 CN8203 RX MODULE 53290-1210 52418-1210 AKP7200- V+5RF (AXF7016) V+5RF GNDRF RX ASSY GNDRF GNDRF (AWU8262) GNDRF LOUT No circuit diagram Sync GNDA IDstat ROUT IDlearn GNDRF GNDA VD+9 GNDD GNDA XW-HTP550...
  • Page 16: Main, Led, Primary And Binder Assys

    IC12 AND IC13, NO.49102.5 FOR IC11 AND IC14, MFD. BY LITTELFUSE INC. W105 LIVE VNF1084- XKP3042 /KUCXJ W106 STBY 0.01u ACG7039- CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE WITH SAME TYPE AND RATINGS OF FUSE. A C D XW-HTP550...
  • Page 17 PCB BINDER : VEF1040 × 1 GNDD GNDRF LED ASSY (AWU8263) NOTES ALL CAPACITORS ARE IN µ F LED ASSY UNLESS OTHERWISE SPECIFIED GNDD CKSRYB LEDP AL :CEAL***M**-TS LEDTUN2 NP :CEANP***M**-T LEDTUN1 OTHER:CEAT***M## GNDD 1SS355 CN5902 ALL RESISTORS ARE IN Ω 52044-0545 RS1/16S***J-T XW-HTP550...
  • Page 18: Tx Assy

    R8052 DC/DC Converter R8053 W223 R8054 L8051 DTL1122- R8055 470uH R8056 IC8051 R8058 NJM2374AM-TFB 3.6k Q8501– Q8504: 2SC4081(QR) GNDRF ALL RESISTORS ARE IN Ω ALL CAPACITORS ARE IN µ F NOTES UNLESS OTHERWISE SPECIFIED 1/16W(CHIP) CEAT***M##-TS CKSRYB CH :CCSRCH XW-HTP550...
  • Page 19 R8002 GNDA R8108 C8102 8.2k 10/50 VA+5 VREF GNDA VREF GNDA GNDA VD+5 D8501– D8504: Ch.select SLR-343MC(NPQ)-TS SLR-343MC(NPQ)-TS SLR-343MC(NPQ)-TS SLR-343MC(NPQ)-TS R8501 R8502 R8503 R8504 Q8501 Q8503 Q8504 Q8502 Ch.1 Ch.2 Ch.3 Ch.4 GNDD GNDD SWITCHES S8901 : Ch. Select XW-HTP550...
  • Page 20: Rx Assy

    GNDRF GNDRF VD+9 FFC:ADD7505 GNDD LEDP LEDTUN2 LEDTUN1 Q5901 GNDD 2SC4081 (QR) CN5901 STBY STBY 52045-0545 GNDD GNDS GNDS ALL RESISTORS ARE IN Ω ALL CAPACITORS ARE IN µ F NOTES UNLESS OTHERWISE SPECIFIED 1/16W(CHIP) CEAT***M##-TS CKSRYB CH :CCSRCH XW-HTP550...
  • Page 21 R8213 GNDRF GNDRF 10/50 STBY GNDRF GNDRF C8212 R8214 Sync 10/50 STBY IDstat IDlearn GNDA GNDA VD+9 C9001 STBY ID Learn C9002 STBY C9003 STBY C9004 Q8901 STBY GNDD 2SC4081 (QR) GNDS GNDRF GNDD SWITCHES S8902 : ID Learn XW-HTP550...
  • Page 22: 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 Chip Part P.C.Board transistor Resistor array 3-terminal regulator XW-HTP550...
  • Page 23: Main And Binder Assys

    W177 W131 W158 PRINTED SIDE W144 IC15 W156 W140 W139 W138 W137 W125 W124 GNDP W123 MUTE W122 STANDBY C3301 BINDER ASSY C3310 IC3302 PRINTED SIDE W121 GNDP C3302 W129 GNDP (ANP7535-B) Q3455 IC11 IC14 IC12 IC3302 IC15 IC13 XW-HTP550...
  • Page 24 R3310 C3361 C3359 R3395 MUTE R3393 C3309 C3352 C3353 C3354 STANDBY BINDER C3351 C3303 R3317 R3319 ASSY R3320 C3304 R3318 R3396 C3311 R3394 C3308 GNDP GNDP (ANP7535-B) IC3301 Q3511 Q3305 Q3304 Q3301 Q3451 Q3307 Q3454 Q3453 Q3302 Q3303 Q3452 XW-HTP550...
  • Page 25: Primary Assy

    4.2 PRIMARY ASSY SIDE A SIDE A PRIMARY ASSY TRANSFORMER OPEN SIDE (ANP7535-B) XW-HTP550...
  • Page 26 SIDE B SIDE B PRIMARY ASSY NEUTRAL LIVE (ANP7535-B) XW-HTP550...
  • Page 27: Tx Assy

    W188 W187 C8061 L8051 W186 V+5RF D8003 W185 GNDRF C8205 W227 IC3301 GNDA C8206 GNDA AXF7015 W178 W181 D8002 W210 (others) GNDA C8001 AXF7017 (MAXJ) TX ASSY JA8001 JA8202 AWU8260 PNE-1B1 (ANP7535-B) JA8202 JA8001 WIRELESS IN DC 12V IN XW-HTP550...
  • Page 28 SIDE B SIDE B TX ASSY Q8501 AWU8260 Q8504 PCB SPACER Q8502 Q8503 VD+5 V+5RF GNDRF 1.V+5RF GNDA V+5RF GNDRF IC8051 GNDRF IC8101 GNDA GNDA GNDA PNE-1B1 (ANP7535-B) JA8001 JA8202 Q8504 Q8501 Q8502 Q8503 IC8052 IC8101 IC8051 XW-HTP550...
  • Page 29: Led And Rx Assys

    CN5902 (ANP7535-B) RX ASSY CN5901 AWU8262 RX ASSY S8902 CN5901 W217 VD+9 D8901 W219 GNDRF W218 GNDRF AXF7016 PNE-1B1 W200 W228 NJM78M05 GNDRF PCB SPACER GNDD W193 CN8204 W224 IC8003 IC8003 W195 VD+9 CONNECT SIDE W225 (ANP7535-B) CN8204 CN3701 XW-HTP550...
  • Page 30 SIDE B LED ASSY LED ASSY POWER TUNED PNE-1B1 AWU8263 (ANP7535-B) RX ASSY CN5901 VD+9 1.V+5RF V+5RF Q5901 Q5901 GNDRF GNDRF GNDRF Q8901 Q8901 GNDRF SYNC IDSTAT GNDRF IDLEARN UGND LOUT GNDA ROUT PNE-1B1 GNDRF GNDD AWU8262 VD+9 (ANP7535-B) CN8204 XW-HTP550...
  • Page 31: Pcb Parts List

    CEAT221M6R3 CEAT222M25 C3383, C3384 CEAT2R2M50 TX ASSY C3313, C3463, C3511 CEAT470M25 SEMICONDUCTORS C3387 CEAT471M6R3 IC8101 NJM12904M IC8051 NJM2374AM CEAT682M25 Q8501-Q8504 2SC4081 C3301, C3302 CEATR47M50 > D8001 1SR154-400 C3311, C3386, C3391, C3392 CKSRYB103K50 D8051 RB160L-40 C3303, C3304, C3319, C3320 CKSRYB222K50 XW-HTP550...
  • Page 32: Adjustment

    C8902 CKSRYB103K50 RESISTORS Other Resistors RS1/16S###J OTHERS CN5901 5P FFC CONNECTOR 52045-0545 CN8204 12P SOCKET 52418-1210 CN8203 B TO B CONNECTOR 12P AKP7200 TX MODULE TX MODULE has no service part. RX MODULE RX MODULE has no service part. XW-HTP550...
  • Page 33: General Information

    If only a specific channel can be received, or if reception is unstable only on a specific channel, existence of source of interference near the products is likely the cause. If it is confirmed that unstable reception is not caused by some source of interference, the Tx or Rx module may be defective. If so, replace the module. XW-HTP550...
  • Page 34 If the audio cannot be received properly due to this phenomenon, try to move the location of the transmitter or the wireless speaker a little. XW-HTP550...
  • Page 35: Trouble Shooting

    Is TUNED LED Replace the module. in Receiver lit? Has the signal inputted from WIRELESS IN Check the Audio Lines sequentially reached to AIR(pin11) from WIRELESS IN to CN8201. AIL(pin12) in CN8201? The module may be broken. Replace the module. XW-HTP550...
  • Page 36 (2) In a case where no sound is output No sound Check the Transmitter side. Is TUNED LED lit? Check the "SP PROTECT"circuits Is the relay on? around Q3455 and Q3454. Replace IC12 Is +B voltage active? and IC13. XW-HTP550...
  • Page 37 (IC3302 pin 2 and pin 4). check if sound is (*2) See page 39. output. Sound is output. It is most likely that the RX module or Transmitter section is in failure. To diagnosis of the Transmitter section XW-HTP550...
  • Page 38: Diagnosis Of Tx And Rx Modules

    If LED does not light up, the transmitting circuit of TX module may be broken. Simple detection circuit Tool (E.g. Parts No. SLR-343MC) Shottky Shottky diode diode (E.g. Parts No. HSM107S) To Check point Shield Case Check point [TX Module] XW-HTP550...
  • Page 39: Diagnosis Of The Amplifier Section

    R3996 R3459 R3458 C3701 D3371 Q3453 R3463 R3460 D3452 D3451 R3371 R3372 C3374 C3375 C3376 R3374 R3377 R3378 R3376 C3373 R3379 R3380 GNDRF C3396 C3395 R3373 C3392 C3391 R3375 C3386 R3381 R3455 C3381 C3377 R3308 C3382 R3307 R3382 R3405 XW-HTP550...
  • Page 40: Protection Circuit

    RY3301 will repeat ON/OFF. Cautions: Since RY3301 relay repeats ON/OFF, a check on a feeling of hearing can be taken at the time of abnormalities. Since a relay repeats ON/OFF, be careful of +VP voltage at the time of diagnosis. XW-HTP550...
  • Page 41: Disassembly

    Remove the four screws. Remove the three screws. Rear view Rear view Remove the Grille Assy. Remove the two screws. Release the two wires. Disconnect the one connector and the one flexible cables. Pull out the chassis section. Grille Assy Chassis section XW-HTP550...
  • Page 42 PCB Location LED Assy MAIN Assy BINDER Assy RX Assy RX Module PRIMARY Assy Arrangement of the wires Power supply section Speaker section Slit Angle B Slit Mini Clamp PCB binder MAIN Assy PCB binder BINDER Assy MAIN Assy Slit XW-HTP550...
  • Page 43 • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. List of IC NJM2374AM, LA4663 NJM2374AM (TX ASSY : IC8051) • DC/DC Converter Pin Layout 5.IN 4.GND NJM2374AM Block Diagram LOGIC 1.5A 160Ω Vth=300mV MAX. ON DUTY OSC Section Ipk Sense PWM COMP Vref 1.25V ± 2% ERR.AMP XW-HTP550...
  • Page 44 L ch + Amplifier Output − 10 GND P Ground P 11 L- OUT L ch - Audio data Output 12 R- OUT R ch - Audio data Output − 13 GND P Ground P 14 R+ OUT R ch + Amplifier Output XW-HTP550...
  • Page 45: Panel Facilities

    POWER TUNED POWER Back AC IN TUNED indicator AC inlet Lights when the signal from the transmitter is properly received. POWER indicator Lights when the wireless speaker is switched on. POWER Press to switch the unit on or off. XW-HTP550...