Pioneer VSX-56TXi Service Manual
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Pioneer VSX-56TXi Service Manual

Audio/video multi-channel receiver
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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-56TXi
VSX-54TX
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-56TXi
KUXJ/CA
VSX-54TX
KUXJ/CA
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
AC120V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
VSX-56TXi
T-ZZV JULY 2004 printed in Japan
ORDER NO.
RRV2990
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...

  • Page 2: Safty 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. VSX-56TXi...

  • Page 4: Table Of Contents

    3.12 POWER AMP IN, FAN CONNECTION and FAN DRIVE ASSYS ............48 3.13 DSP ASSY (1/2)............................. 50 3.14 DSP ASSY (2/2)............................. 52 3.15 1394 ASSY (1/2) (VSX-56TXi ONLY)..................... 54 3.16 1394 ASSY (2/2) (VSX-56TXi ONLY)..................... 56 3.17 DISPLAY ASSY............................58 3.18 VOLUME, MULTI JOG and HEADPHONE ASSYS................

  • Page 5: Vsx-56Txi

    7.1.4 OUTLINE OF THE 1394 UNIT ......................140 7.1.5 DISASSEMBLY ..........................142 7.2 PARTS ..............................147 7.2.1 IC..............................147 7.2.2 DISPLAY ............................171 7.3 CLEANING .............................173 7.4 REMOTE CONTROL UNIT........................174 7.4.1 EXPLODED VIEWS AND PARTS LIST (VSX-56TXi : AXD7325) ............174 8. PANEL FACILITIES ............................175 VSX-56TXi...

  • Page 6: Specifications

    THX and Dolby Laboratories, and is a trademark of Dolby Laboratories. All rights reserved. Used under authorization. • Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic”, “Surround EX” and double-D symbol are trademarks of Dolby Laboratories. • "DTS", "DTS-ES Extended Surround" and "Neo:6" are trademarks of Digital Theater Systems, Inc. VSX-56TXi...
  • Page 7 Accessories AM Loop Antenna FM Wire Antenna Power Cord (ATB7013) (ADH7030) (VSX-56TXi : ADG7061) VSX-56TXi Only SETUP Operating Instructions RECEIVER SOURCE MULTI SYSTEM OPERATION (VSX-56TXi : ARB7307) MULTI CONTROL S0URCE SYSTEM RECEIVER DVD/LD TV / SAT VCR/DVR TV CONT (VSX-54TX : ARB7309)

  • Page 8: 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 VSX-56TXi Only VSX-56TXi Only VSX-56TXi...
  • Page 9 See Contrast table (2) Battery Cover See Contrast table (2) NSP 8 Dry Cell Battery (AA/LR6) VEM1023 (2) CONTRAST TABLE VSX-56TXi/KUXJ/CA and VSX-54TX/KUXJ/CA are constructed the same except for the following: VSX-56TXi/ VSX-54TX/ Mark No. Symbol and Description KUXJ/CA KUXJ/CA >...

  • Page 10: Exterior Section

    2.2 EXTERIOR SECTION 19 19 (×10) (×2) (for VSX-54TX) (for VSX-56TXi) (×2) (for VSX-56TXi) Refer to "2.3 CHASSIS SECTION". VSX-54TX Only Screw Cover (Accessory of Panel Base 56B) VSX-56TXi Only Refer to "2.6 FRONT PANEL SECTION". VSX-56TXi...
  • Page 11 Bridge Frame 45R ANG7410 Insulator See Contrast table (2) Screw Cover 45A See Contrast table (2) (2) CONTRAST TABLE VSX-56TXi/KUXJ/CA and VSX-54TX/KUXJ/CA are constructed the same except for the following: VSX-56TXi/ VSX-54TX/ Mark No. Symbol and Description KUXJ/CA KUXJ/CA 4 Cushion...

  • Page 12: Chassis Section

    2.3 CHASSIS SECTION For VSX-54TX Refer to "2.5 HEATSINK SECTION". 37 48 Refer to "2.4 REAR PANEL SECTION". VSX-56TXi Only VSX-56TXi...
  • Page 13 ANG7403 Screw ABA7110 Fan Box 45 ANG7413 DSP Shield See Contrast table (2) (2) CONTRAST TABLE VSX-56TXi/KUXJ/CA and VSX-54TX/KUXJ/CA are constructed the same except for the following: VSX-56TXi/ VSX-54TX/ Mark No. Symbol and Description KUXJ/CA KUXJ/CA 1 DSP CONNECTION Assy...

  • Page 14: Rear Panel Section

    2.4 REAR PANEL SECTION VSX-54TX Only VSX-56TXi Only REGULATOR CN2403 VSX-56TXi REGULATOR Only CN2404 REGULATOR CN2405 CN601 POWER AMP IN CN4001 CN701 CN2415 DSP CONNECTION CN702 DISPLAY CN101 CN3006 VSX-56TXi Only CN2413 CN2411 CN2410 REGULATOR CN2414 CN2412 VSX-56TXi...
  • Page 15 Screw See Contrast table (2) 11P Flexible Cable (J8) ADD7468 9P Flexible Cable (J5) ADD7469 (2) CONTRAST TABLE VSX-56TXi/KUXJ/CA and VSX-54TX/KUXJ/CA are constructed the same except for the following: VSX-56TXi/ VSX-54TX/ Mark No. Symbol and Description KUXJ/CA KUXJ/CA 1 1394 Assy...

  • Page 16: Heat Sink Section

    2.5 HEAT SINK SECTION MAIN CONTROL CN801 VSX-56TXi...
  • Page 17 Fan Motor (Front) AXM7032 Mica Sheet 45 AEE7047 H.S Angle 45 ANG7404 PCB Angle 45 ANG7406 Fan Holder 80 ANG7407 NSP 12 Heatsink 45 ANH7152 NSP 13 Speed Clamp AEC7445 NSP 14 Wire Saddle DEC1450 Screw ABA7102 Screw ABA7085 Screw BBZ30P300FTC VSX-56TXi...

  • Page 18: Front Panel Section

    2.6 FRONT PANEL SECTION PRIMARY CN2002 25 (2/2) MAIN CONTROL CN501 25 (1/2) Screw Cover (See section "2.2 EXTERIOR SECTION".) No. 25 (2/2) Magnet Holder VSX-56TXi...
  • Page 19 Screw BPZ30P100FTC Rotary Knob L BK AAA7018 FL Sheet 45R See Contrast table (2) (2) CONTRAST TABLE VSX-56TXi/KUXJ/CA and VSX-54TX/KUXJ/CA are constructed the same except for the following: VSX-56TXi/ VSX-54TX/ Mark No. Symbol and Description KUXJ/CA KUXJ/CA 6 DISPLAY Assy...

  • Page 20: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM 3.1.1 AUDIO BLOCK DIAGRAM IC1681 CN1802 CN101 VSX-56TXi DSP ASSY PCM2902EG JA1681 (1/2)(20P) (1/2)(20P) ONLY DIGITAL COAXIAL IN Resceiver USB AUDIO IC201 OUT2 ASSY AK4114VQ DIR & DIT JA1801 IN 3...

  • Page 21: Headphone Assy

    MR Volume UPC4570G2 SW Amp. MR L MULTI-ROOM & SOURCE V1/OUT V1OL V2/OUT V2OL INPUT CONNECT ASSY CN1205 (3/3) CN1408 (9P) VCR1 CN1308 (9P) CN1201 7.1 CH I/O ASSY (2/2) CN1303 SUB WOOFER VCR2 CENTER FRONT CN1304 SURROUND SURROUND BACK VSX-56TXi...

  • Page 22: Dsp Block Diagram

    3.1.2 DSP BLOCK DIAGRAM DSP ASSY IC101 CN301 AK5380VT IC201 CN1802 AK4114VQ DIR & DIT CN651 CN401 IC701 TC74VHC157FT SELECTOR IC302 IS61LV6416-12T SRAM IC301 DSPC56367PV150 DECODER IC303 DSP1 IS63LV1024-12T SRAM IC705 TC7SH04FU IC706 INVERTER TC7SH04FU IC305 TC7W125FU 3 STATE BUFFER INVERTER CN402 VSX-56TXi...
  • Page 23 IC501 AK4383VT IC521 AK4383VT IC503 TC7SH04FU BUFFER IC541 AK4383VT IC561 AK4382AVT IC401 DSPC56367PV150 DSP2 VSX-56TXi...

  • Page 24: 1394 Block Diagram

    3.1.3 1394 BLOCK DIAGRAM 1394 ASSY VSX-56TXi...

  • Page 25: Power Amp Block Diagram

    3.1.4 POWER AMP BLOCK DIAGRAM VSX-56TXi...

  • Page 26: Video Block Diagram

    CN3201 MAIN CN2405 REGULATOR ASSY DISPLAY CONTROL ASSY ASSY CN3006 CN1501 CN3005 CN501 JA1501 FRONT FRONT IN VIDEO ASSY JA602 CN3202 JA3201(1/2) COMPOSITE IC3206 SELECT VCR2 JA3202(1/2) NJM2595M IC3207 VCR1 SELECT JA3203 NJM2595M DVD/LD IC3204 C/DC SELECT TV/SAT NJM2596M VSX-56TXi...

  • Page 27: Video Convert Assy

    CHROMA TK15420M DECODE IC3513(2/2) TK15420M VIDEO CONVERT ASSY TC74LVX4053FT TA1270BF CN3502 CN3203 VIDEO ASSY SELECT IC3202 IC3201 S:through IC3209(1/2) /V.C JA3204 TK15420M MONITOR IC3209(2/2) TK15420M TC74LVX4053FT TC74LVX4053FT JA3201(2/2) VCR2 IC3203 MULTI ROOM JA3205 MULTI SELECT ROOM JA3202(2/2) NJM2279M VCR2 VSX-56TXi...

  • Page 28: Overall Wiring Diagram

    3.2 OVERALL WIRING DIAGRAM DISPLAY ASSY (VSX-56TXi : AWX8473) J3002 D20PYY0510E (VSX-54TX : AWX8483) VOLUME ASSY (AWX7971) J3003 CN3006 3008 CN3004 CN3005 D20PYY0710E ADD7351 ADD7352 CN1601 CN1501 MIC & F. OPT IN ASSY (AWX8446) 3007 CN1602 FRONT IN ASSY J1901...
  • Page 29 (AWX8017) CN4456 CN4455 ADX7285 POWER AMP-C ASSY (AWX7986) ADX7397 4601 ADX7284 ADX7287 ADX7288 CN2002 PRIMARY ASSY CN1902 (VSX-56TXi : AWX8460) (VSX-54TX : AWX8524) VEK1029 D20PYY0830E (10A/125V) CN2001 2007 AC IN CN4402 VSX-56TXi VSX-54TX POWER CABLE CN3501 VSX-56TXi : ADG7061 VSX-54TX : VDG1075...

  • Page 30: Ch I/O, V-Audio In, Front In And Optical In Assys

    3.3 7.1 CH I/O, V-AUDIO IN, FRONT IN and OPTICAL IN ASSYS 7.1CH ASSY (VSX-56TXi : AWX8466) (VSX-54TX : AWX8467) CN1301-CN1304 : uPC4570G2-A VSX-56TXi : AKB7075 IC1301 (1/2) A+15V VSX-54TX : AKB7015 R1301 C1305 C1309 4.7/50 CN1301 10/50 (1/2) A+15V...
  • Page 31 MR Mute (MR) R1221 R1223 CN1205 (1/3) Q1201 (MR) R1225 V-AUDIO IN ASSY MULTI-ROOM 2SC2878(AB) (VSX-56TXi : AWX8313) & SOURCE OUT Q1202 R1222 R1226 (VSX-54TX : AWX7964) 2SC2878(AB) R1224 CN1205 (2/3) CN1202 (1/2) R1213 : AUDIO SIGNAL ROUTE (Lch) (MR)

  • Page 32: Input Connect And 12V Trigger Assys

    CN1307 GNDA GNDA GNDA (SB) (SB) CN1407 XKP3062 GNDA V-15V GNDA GNDA V-15V CN1306 V+15V CN1404 CN1408 XKP3075 XKP3064 AMUTE AMUTE (SB) (SB) CN1308 IC1541 (1/2) C1451 UPC4570G2-A 10/50 C1452 10/50 IC1541 (2/2) C1453 4700p UPC4570G2-A R1453 SW. Amp. VSX-56TXi...
  • Page 33 : AUDIO SIGNAL ROUTE (MULTI-ROOM Lch) (DVD) : AUDIO SIGNAL ROUTE (DVD Lch) : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) VSX-56TXi...

  • Page 34: Coaxial In Assy

    3.5 COAXIAL IN ASSY COAXIAL IN ASSY (VSX-56TXi : AWX8443) (VSX-54TX : AWX8445) A+15V GNDD JA1802 ; A-15V VSX-56TXi : AKB7148 DSP+5V VSX-54TX : AKB7131 R1883 JA1802 IC1881 (3/6) L1881 (1/2) TC74HCU04AF C1883 IC1881 DTF1064 R1887 0.01 TC74HCU04AF IC1881 (5/6)
  • Page 35 : AUDIO SIGNAL ROUTE (DIGITAL) (UD) : AUDIO SIGNAL ROUTE (USB DIGITAL) VSX-56TXi ONLY DSP+5V IC1682 TC7SET08F R1690 R1687 USB AUDIO DOUT IC1681 PCM2902EG JA1681 GNDD R1682 (UD) DKN1237 SSPEND SSPEND R1683 C1690 Vddi (UD) Vbus DGND (UD) DGNDUSB DOUT...

  • Page 36: Component Assy

    3.6 COMPONENT ASSY COMPONENT ASSY (VSX-56TXi : AWX8454) (VSX-54TX : AWX8456) Component Signal Selector JA4401 IC4405 (1/3) OPA2652U Q4413 (1/2) (PB) Y Amp. Q4401 R4411 stby (2/3) (PB) IN1 P C4409 stby stby (PR) OPA2652U (2/2) (3/3) (PR) IC4406 (PR)
  • Page 37 (PR) CN4402 : VIDEO SIGNAL ROUTE (P XKP3077 TP4420 TP4432 TP4422 TP4431 TP4424 TP4430 TP4426 TP4429 TP4427 TP4428 JA4401-JA4403 ; VSX-56TXi : VKB1151 VSX-54TX : VKB1150 JA4403 (PB) (PB) IC4406 ACH7194 OPA2652U C4442 (1/3) (1/2) V+5V (PR) (PR) R4428 1000/10...

  • Page 38: Video Assy

    3.7 VIDEO ASSY JA3201-JA3203 ; V+5V VSX-56TXi : AKB7160 R3207 JA3201 VSX-54TX : AKB7147 (1/4) V+5V C3245 R3208 VIDEO C3201 100/16 C3247 100/16 Component S-VIDEO Selector V+5V (2/4) V-5V R3215 Q3201 JA3201 2SC4081 5.6k C3210 V-5V R3205 R3209 10/50 C3208...
  • Page 39 CN3502 (MR) VIDEO ASSY +12V R3211 (VSX-56TXi : AWX8452) R3212 V+5V (VSX-54TX : AWX8453) JA3205 ; MULTI-ROOM V-5V VSX-56TXi : VKB1156 Multi-Room & SOURCE TP3236 VSX-54TX : VKB1122 TP3231 TP3227 TP3235 Selector JA3205 ACH7194 R3219 C3254 (MR) (MR) MONITOR 1000/10...

  • Page 40: Main Control Assy (1/3)

    OFF(Hi-imp:)type L891 L892 QTL1013 L896 QTL1013 L897 QTL1013 SR-IN XKN3015 QTL1013 CONTROL JA592 RKN1026 R570 L893 VSX-56TXi : 2.4k L894 4.7k QTL1013 SR-OUT VSX-54TX : 0 QTL1013 L895 VSX-56TXi : 2.2k VSX-54TX : 0 (TX) QTL1013 L898 R164 QTL1013 4.7k VSX-56TXi : 2.2k...
  • Page 41 MAIN CONTROL ASSY (VSX-56TXi : AWX8434) (VSX-54TX : AWX8439) CN601 CN1403 EXT IN V+15 V-15 DSP-A R151 C151 C749 (2/2) IC102 (SB) 2-B1 10/16 V+15 UPC4570G2-A 100p C131 C788 C133 2-C1 10/50 10/16 47/50 FRONT_L 2-B1 V-15V R135 C139 R141...

  • Page 42: Main Control Assy (2/3)

    100p (SB) C773 (SB) C781 C786 10/50 (SB) GNDU 47/25 100p C787 IC714 R773 (SB) 100p (1/2) 100k UPC4570G2-A C777 47/25 GNDA IC704 TC94A07F C778 TP22 TP23 47/25 IC714 R774 UPC4570G2-A 100k (2/2) C782 C774 47/25 10/50 V-15 C780 VSX-56TXi...
  • Page 43 MAIN CONTROL ASSY C719 FRONT (VSX-56TXi : AWX8434) (VSX-54TX : AWX8439) C713 C721 10/50 47/25 R713 IC711 (1/2) 100k UPC4570G2-A C717 47/25 IC701 TC94A07F C718 47/25 TP16 TP17 IC711 (2/2) OLDET R714 C727 UPC4570G2-A 100k 100p U-COMDCDET C722 C726 100p...

  • Page 44: Main Control Assy (3/3)

    0.01 GNDU C534 IC502 BU4094BCF R531 EXPST R534 stby R532 EXPDT EXPOE DATA R535 R533 EXPCK 2296SW5 R540 DEMSTP 2296SW4 R536 R541 2296SW3 DEMRST R537 R542 2296SW2 R538 Q'S' R539 GNDT V+12V C535 TP33 GNDA 0.01 CN2412 CN2415 CN2414 VSX-56TXi...
  • Page 45 CN3006 MAIN CONTROL ASSY (VSX-56TXi : AWX8434) (VSX-54TX : AWX8439) (TX) : AUDIO SIGNAL ROUTE (TUNER Lch) C599 0.047 VSX-54TX ONLY 14_3 19_3 CN351 GNDU 20_3 XKP3074 26_3 U+5V R351 1394CS Level Shift R352 1394CK 3.3V -> 5V EXPVDT R353...

  • Page 46: Mic & F.opt In, Mic Amp And Dsp Connection Assys

    MICOUT S3B-PH-K-S 10/50 CN1652 MICIN GNDA XKP3079 R4754 GNDA V-15 D1RT ADRT ADRT SHLD V+15 C4754 DATA R1674 DRDO DRDO DRCS DRCS DRRT IC4751 DRRT NJM78L05A IEIT IEDO IEDO IC4752 (2/2) IEDI IERT IECK IECS UPC4570G2-A K L M VSX-56TXi...
  • Page 47 DSP CONNECTION ASSY (VSX-56TXi : AWX8441) (VSX-54TX : AWX8442) V+15V V+D5V V+I5V V+A5V CN1651 T-AKP062A D2MD D2MD (ADMD) R1668 D1MD (XTLO) D2RT D1RT D1RQ D1RQ V+3R3V V+3R3V D1 CS DSCK (DVD-A) D2RQ D2RQ (LSSN) R1670 D2CS R1673 DSDO DSDO R1669...

  • Page 48: Power Amp In, Fan Connection And Fan Drive Assys

    R4003 GNDSR Q4001 GNDSL R4004 GNDC GNDFR CN4004 F.FAN+ GNDFL D4001 V-15V F.FAN- DC DET F.FANSTOP OL DET AMUTE S3B-EH V+5.6V F.FAN+ TEMP LOFAN F.FAN- FAN STOP F.FANSTOP GNDU FAN DRV FAN STOP FANDRV LOFAN (SB) 4001 51048-1000 CN4401 VSX-56TXi...
  • Page 49 D4051 REG B 1SR154 REG G Q4052 D4052 DTA124EK R4053 REG B 1SR154 R4054 STBY CN4054 52147-1010 C4056 C4055 330/63 330/63 Q4053 R4052 Q4056 100k 2SA1037K Q4055 LOFAN DTC114EK DTC124EK D4055 UDZS12B FANDRV FAN STOP F.FANSTOP F.FAN- F.FAN+ D4059 VSX-56TXi...

  • Page 50: Dsp Assy (1/2)

    (6/6) R317 DSD3 R342 R227 DSD4 4.7k 100k DSD5 R431 V+15 V5D2 V5D1 V-15 DSD6 R343 C551 GNDD 100/16 C902 C901 CN702 R230 GNDD GNDA VKN1414 33/25 33/25 R712 100k 100k RAB4C104J GNDD GNDD GNDD CN102 GNDD AKP7176 CN1651 VSX-56TXi...
  • Page 51 : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (SD) : SURROUND DATA SIGNAL ROUTE : AUDIO SIGNAL ROUTE (DIGITAL) (UD) : AUDIO SIGNAL ROUTE (USB DIGITAL) VSX-56TXi...

  • Page 52: Dsp Assy (2/2)

    41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 61 62 63 64 65 71 72 R427 R424 0.1/16 (SB) C428 0.056/16 R430 XTLO C412 C423 EXTL 470p R429 0.1/16 GNDD DVD-A R401 YB CH D2RT C429 0.01 R755 MUTE DSPCPU VSX-56TXi...
  • Page 53 V-15 GNDA 1SS355 C668 R674 R678 Q971 Q972 UN5112 UN5112 10/16 R565 R662 R670 Q661 D971 R977 XP4506(1/2) 1.8k 2.7k DAP202K MUTE IC661 R566 R664 R672 D972 DAP202K C971 1.8k 2.7k NJM4565MD(2/2) 4700p GNDA Q973 UN5212 GNDA V-15 GNDD VSX-56TXi...

  • Page 54: 1394 Assy (1/2) (Vsx-56Txi Only)

    3.15 1394 ASSY (1/2) (VSX-56TXi ONLY) V+3D V+3DM R216 C208 STBY 4.7k*4 R214 C210 L202 KN11 R288 ATL7002 VNF1109 R215 STBY X201 C211 GNDP2 GNDD C217 CONT 100/16 1000p TP100 WD_TMRZ R290 C248 R221 R220 ASS7055 4.7k*4 4.7k*4 24.576MHz R224...
  • Page 55 SEL_DTYPE1 47*4 47*4 47*4 47*4 47*4 SEL_DTYPE0 SEL_DTYPE0 R343 R339 R340 47*4 47*4 47*4 POWER POWER IE_CK L302 IE_CK ATL7002 STBY IE_RST C331 IE_RST C322 R358 IE_DI IE_DI C332 STBY STBY IE_DO IE_DO SELECT IE_INT IE_INT SACD_D4 C333 C325 VSX-56TXi...

  • Page 56: 1394 Assy (2/2) (Vsx-56Txi Only)

    3.16 1394 ASSY (2/2) (VSX-56TXi ONLY) 1394 ASSY (AWK7834) V+3D V+3DP L402 STBY CLKIN FRSEL CLKOUT R427 R426 MCLK MLPCM_BCK MLPCM_LRCK MLPCM_DATA0 MLPCM_DATA1 MLPCM_DATA2 MLPCM_DATAA 60958 SAPCM_DATA1 SAPCM_DATA2 SAPCM_DATA3 SAPCM_LRCK SAPCM_BCK V+3DS V+3D V+5D V+5DS V+2D V+2DS L401 ATL7002 IC410...
  • Page 57 STBY STBY R457 TP51 TP52 TP53 TP54 TP55 TP56 STBY R439 STBY R440 L403 TP57 TP59 TP60 TP61 TP62 TP63 TP64 CN402 ATL7002 VKN1414 R441 R442 DSDCLK R443 R444 DSD1 DSD2 DSD3 R445 IC407 DSD4 TC7SH00FU STBY DSD5 DSD6 VSX-56TXi...

  • Page 58: Display Assy

    FMA1A(SMT5) 0.01 C3035 R3033 100/6.3 D3002 D3003 D3004 C3011 0.01 D3006 R3036 R3038 Vout C3012 100K Q3002 DTC124EK Q3003 100/6.3 D3007 R3035 2SA1037K 4.7K R3040 Remote Signal Control D3008 R3039 100K * D3002 ~ D3008:1SS355 CN3006 52045-3245 ADD7349 CN501 VSX-56TXi...
  • Page 59 DISPLAY ASSY (VSX-56TXi : AWX8473) (VSX-54TX : AWX8483) 3001 FL HOLDER VNF1085 V3000 C3030 AAV7087-B 0.1u CH 3007 J3000 R3065 R3067 R3041 D20PYY0315 51048-0300 HP_R R3066 R3068 (HP) HP_L HP_SW CN1951 HP_SW CN3001 52045-1145 P-SW1 P-SW2 UGND HP_R (HP) HP_L...

  • Page 60: Volume, Multi Jog And Headphone Assys

    S3451 : MULTI JOG S3452 : ENTER S3453 : MUSIC S3454 : MOVIE S3455 : STANDBY/ON S3452 ASG7013 ENTER U+5V S3453 ASG7013 MUSIC INPUT/L S3454 3003 INPUT/R ASG7013 KEY5 S3451 MOVIE MSW1 S3455 ASG7013 MSW2 CN3451 POWER 52147-0710 ASX7038 VSX-56TXi...
  • Page 61 HEADPHONE ASSY (AWX7980) CN1951 52045-0345 R1951 HPSW (HP) 3007 JA1951 AKN7029 (HP) PHONES KN1951 (HP) VNF1084 : AUDIO SIGNAL ROUTE (PHONES ch) VSX-56TXi...

  • Page 62: Power Amp-L Assy

    R4305 R4302 1.2K 2SC3326(AB) R4311 (SB) C4312 C4313 AMPG STBY R4312 RN1/10SE AMPG : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) VSX-56TXi...
  • Page 63 Q4302 VNF1084 2SA1255 D4305 R4317 IC4302 (SB) PBD001A CHASSIS AMPG R4320 (SB) (2/2) (SB) (SB) ADX7399 CN4603 (SB) R4321 (SB) R4318 IC4303 PBD002A (SB) J4303 J4301 ADB7021 ADB7021 AMPG CN4456 KM250NA10L AMPG AMPG CN4455 IC4453 PBD002A J4101 R4482 ADB7022 VSX-56TXi...

  • Page 64: Power Amp-R And Power Amp-C Assys

    1.2K AMPG 2SC3326(AB) R4361 C4362 C4363 CN4455 KP250NA10 R4362 AMPG AMPG AMPG RN1/10SE POWER AMP-C ASSY (AWX7986) Q4452 R4456 2SA1255 R4460 R4451 C4451 R4453 10/50 IC4451 CEHAT Q4451 PA9009A R4455 R4452 1.2K 2SC3326(AB) R4461 C4462 C4463 R4462 AMPG RN1/10SE VSX-56TXi...
  • Page 65 D4355 R4367 IC4352 PBD001A GND_C AMPG R4370 (2/2) ADX7400 CN4604 R4371 R4368 IC4353 PBD002A J4353 ADB7022 AMPG J4251 ADB7022 CN4453 KP250NA10 IC4452 PBD001A R4467 AMUTE R4470 AMUTE GND_C KN4404 R4471 VNF1084 R4468 CHASSIS CN4454 KM250NA10L AMPG (2/2) ADX7397 CN4602 VSX-56TXi...

  • Page 66: Regulator Assy

    3.21 REGULATOR ASSY REGULATOR ASSY CAUTION : FOR CONTINUED PROTECTION AGAINST (VSX-56TXi : AWX8457) RISK OF FIRE. REPLACE ONLY WITH (VSX-54TX : AWX8459) SAME TYPE NO. 491.315 MFD, BY LITTELFUSE INK. FOR IC2411. - MARKS C2401 IC2403 ACH7191 CEAT222M16 V+15A...
  • Page 67 DSPCLK VNF1084 DSPDI DMD1 DSPMODE1 D1CS DSP1CS DHRQ1 DSP1HREQ D1RT DSP1RST DACRT DACRST DIRERR DIRERR DIRDI DIRDTI DIRCK DIRCLK DIRDO DIRDTO DIRCS DIRCS DIRRT DIRRST V-15A V+15A V+5AD V+5I V+5D CN2407 CN2408 CN2409 CN1652 CN1653 CN1654 XKP3068 XKP3068 XKP3068 VSX-56TXi...

  • Page 68: Sp/Ps, Diode, Trans 2-1 And Vh Tr Assys

    VH TR ASSY (AWX8018) : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (HP) : AUDIO SIGNAL ROUTE (PHONES ch) AA AB AC AD VSX-56TXi...
  • Page 69 SP/PS ASSY (VSX-56TXi : AWX8455) C4621, C4622 ; VSX-56TXi : ACH7217 (VSX-54TX : AWX8487) VSX-54TX : ACH7169 CN4611 ; VSX-56TXi : AKE7099 ATH1053 1.5u +55.7V VSX-54TX : AKE7074 L4601 CHASSIS R4621 CN4611 C4601 C4608 0.22 0.22 (1/2W) (1/2) AMP G...

  • Page 70: Trans 2-2, Trans 1 And Primary Assys

    LITTELFUSE INK. FOR IC2253. TRANS 2-2 ASSY (AWX8465) POWER TRANSFORMER 2251 IC2251 51048-0700 R2251 C2251 AEK7016 VREG (3.15A/4913.15) 0.1/50 IC2252 VREG CN2402 AEK7016 DREG (3.15A/4913.15) IC2253 DREG C2252 R2252 AEK7019 D20PYY0750E (5A/491005) 0.1/50 C2253 0.1/50 ADN7007 TRANS 1 ASSY (AWX8464) AE AF VSX-56TXi...

  • Page 71: Primary Assy

    (HP) : AUDIO SIGNAL ROUTE (PHONES ch) PRIMARY ASSY CN4613 CN4610 (VSX-56TXi : AWX8460) (VSX-54TX : AWX8524) CN2002 52045-1145 MSW1 MSW2 (HP) AC RY RYSB RYC/S RYHP NECK 50/60Hz R2005 D2002 W2007 1SS355 3.3k IC2001 +5.5V NJM78M56FA T2001 R2003 W2012...

  • Page 72: Video Convert Assy

    1/6.3 10/16 R3544 C3547 V-5Z 1/6.3 IC3512 C3548 TK15420M (SY) (1/2) SELY C3627 (PR) (SY) (PB) 10/16 IC3514 R3569 TA1270BF TP3554 Chroma Decoder TP3555 C3573 0.01 C3575 0.01 R3572 +5VG (PR) (SC) R3574 (SC) SELC IC3512 TK15420M V-5Z (2/2) VSX-56TXi...
  • Page 73 : VIDEO SIGNAL ROUTE (SY) : VIDEO SIGNAL ROUTE (S VIDEO Y ch) (SC) : VIDEO SIGNAL ROUTE (S VIDEO C ch) : VIDEO SIGNAL ROUTE (Y) (PB) : VIDEO SIGNAL ROUTE (P (PR) : VIDEO SIGNAL ROUTE (P VSX-56TXi...

  • Page 74: 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 VSX-56TXi...

  • Page 75: Ch I/O Assy

    C1346 C1344 C1342 C1341 R1390 R1388 R1385 C1334 C1323 C1324 C1314 C1303 C1304 C1313 R1384 R1371 R1332 R1322 R1311 R1312 R1301 R1302 C1392 C1394 C1312 C1332 (ANP7506-B) Q1372 Q1362 Q1352 IC1304 IC1303 IC1302 IC1301 Q1371 Q1361 Q1351 Q1381 Q1382 VSX-56TXi...

  • Page 76: V-Audio In Assy

    4.2 V-AUDIO IN ASSY SIDE A SIDE A V-AUDIO ASSY Q1201 Q1202 (ANP7507-A) CN1204 CN1405 SIDE B SIDE B V-AUDIO ASSY CN1204 R1221 R1222 C1213 C1214 C1215 (ANP7507-A) VSX-56TXi...

  • Page 77: Front In And Optical In Assys

    4.D-IN1 5.GNDD(SEP) 6.D-OUT2 OPTICAL-IN 7.GNDD(SEP) 8.D-OUT1 ASS'Y 9.GNDD (ANP7507-A) CN1701 CN1801 SIDE B SIDE B OPTICAL IN ASSY CN1701 OPTICAL-IN 9.GNDD 8.D-OUT1 ASS'Y 7.GNDD(SEP) FRONT IN ASSY 6.D-OUT2 5.GNDD 4.D-IN1 3.GNDD(SEP) 2.D-IN2 1.+5V R1501 C1705 C1701 (ANP7507-A) (ANP7507-A) CN1501 VSX-56TXi...

  • Page 78: Coaxial In Assy

    IC1681 R1855 C1836 R1860 C1823 C1850 R1686 CN1803 R1687 C1690 CN1803 (ANP7504-A) CN2406 IC1804 IC1802 IC1881 Q1807 Q1805 Q1804 Q1803 Q1801 IC1803 IC1681 SIDE B SIDE B COAXIAL IN ASSY CN1803 IC1682 (ANP7504-A) CN1801 Q1808 Q1806 Q1802 IC1682 Q1809 VSX-56TXi...

  • Page 79: Input Connect And 12V Trigger Assys

    L CH R CH C1404 R1405 C1402 CMK-P3X C1401 W1413 W1416 W1412 W1411 W1415 W1405 W1406 W1403 W1402 W1407 W1404 CN1408 CN1406 CN1407 (ANP7507-A) CN1406 CN1407 CN1408 CN1308 CN1307 CN1306 12V TRIGGER ASSY IC1932 Q1931 Q1901 IC1931 CN2403 CN551 (ANP7507-A) VSX-56TXi...
  • Page 80 INPUT CONNECT ASSY CN1404 CN1403 CN1401 CN1402 CN1405 R1404 C1406 C1407 R CH L CH L CH R CH IC1401 IC1401 R1452 C1454 IC1451 C1455 C1453 R1453 R1454 R1451 (ANP7507-A) CN1407 CN1406 CN1408 12V TRIGGER ASSY Q1932 IC1901 (ANP7507-A) VSX-56TXi...

  • Page 81: Component Assy

    FUNC MUTE THSW OSDCK OSDDT OSDCS OSDRT AWX8454 0 1 2 3 4 5 6 7 8 9 0 1 2 3 I2CCK I2CDT AWX8456 EXPOE EXPST EXPDT EXPCK COMPONENT ASSY Q4414 Q4413 KNIFE LINE C4404 (ANP7505-A) Q4414 Q4413 VSX-56TXi...

  • Page 82: Video Assy

    IC3204 IC3202 IC3201 R3305 C3286 C3206 R3268 CN3202 C3236 R3269 (ANP7505-A) CN3202 J602 Q3205 IC3209 IC3208 IC3202 Q3202 IC3201 IC3205 Q3207 Q3206 IC3207 IC3206 SIDE B SIDE B VIDEO ASSY CN3202 +12V VOUT OSDON V-5V V+5V 2279-2 2279-1 (ANP7505-A) VSX-56TXi...
  • Page 83 VSX-56TXi...

  • Page 84: Main Control Assy

    C135 R135 2.V1/OUT C139 1.V2/OUT R531 IC201 C203 C202 R532 R533 R534 C201 R201 C212 CN201 (FOR MR) 7.MR CK 6.MR DT 5.MR MUTE CN502 4.GNDU IC202 3.RCH C211 IC511 2.GNDA 1.LCH CN201 CN101 CN502 CN2415 CN1402 CN1401 CN2413 VSX-56TXi...
  • Page 85 21.DISP DO 22.DISP CLK 23.DISP RDY IC501 24.DISP RST C502 25.1W WUP 26.AC RY 27.MR IN 28.GNDU C501 29.GNDU C504 30.VF R501 31. FL AC1 32.FL AC2 CN302 CN351 IC511 (ANP7504-A) CN351 CN302 CN501 CN2411 CN2410 CN2414 CN2412 CN3006 VSX-56TXi...
  • Page 86 MAIN CONTROL ASSY CN301 C719 C723 IC711 C720 C739 C743 IC712 C740 C759 R821 D511 C763 D821 R786 IC713 D822 C786 R575 Q502 D831 C760 R785 R831 C779 C787 R504 C783 D501 Q501 IC714 C780 C510 R322 CN351 CN551 CN552 CN302 VSX-56TXi...
  • Page 87 L900 L901 C652 C651 C102 C101 C104 C103 R821 D511 C106 R116 C105 R115 D821 D822 D831 R831 C108 C107 D501 R120 C110 C109 R119 C510 R108 R107 R121 R110 Q251 R251 R216 R215 R123 R109 (ANP7504-A) N351 CN502 VSX-56TXi...

  • Page 88: Mic & F. Opt In, Mic Amp And Dsp Connection Assys

    DSP CONNECTION ASSY CN1651 DSP CONNECTION ASS'Y IC1651 R1666 CMKM-G3X IC1651 R1678 R1664 IC1653 IC1653 R1661 R1665 R1663 R1662 R1670 R1660 R1659 R1669 R1667 CN1653 CN1654 CN1652 (ANP7504-A) CN1652 CN1653 CN1654 CN2407 CN2408 CN2409 K L M K L M VSX-56TXi...
  • Page 89 MIC & F.OPT ASS'Y C1613 (ANP7506-B) CN1601 CN1602 MIC AMP ASSY CN4751 R4754 C4754 CMKM-G3X C4762 R4752 D4751 R4757 D4752 AWX8447 (ANP7504-A) CN4752 IC4752 DSP CONNECTION ASSY R1668 L1651 CMKM-G3X AWX8441 AWX8442 (ANP7504-A) CN1654 CN1653 CN1652 K L M K L M VSX-56TXi...

  • Page 90: Power Amp In Assy

    16.SR 14.FR 17.GNDSBR 15.GNDC 16.C 18.SBR 17.GNDSL 19.NC(GND) 18.SL 19.GNDSR 20.SR 21.GNDSBL 22.SBL (ANP7506-B) 23.GNDSBR CMK-P3X 24.SBR CN4001 CN4002 CN4003 CN801 CN4402 CN4401 SIDE B SIDE B POWER AMP IN ASSY CN4001 CN4002 CN4003 R4003 (ANP7506-B) CN4004 4001 Q4001 VSX-56TXi...

  • Page 91: Fan Connection Assy

    IC4702 8.FAN- CN4702 5.REG G 4.REG B 9.FAN+ 1.FAN+ N'UTILISER QUE LA REFERENCE 6.REG B 5.REG G 2.FAN- 491.200,DE CHEZ LITTELFUSE INC. 7.FANSTOP 6.REG B 3.FANSTOP (ANP7504-A) IC4701 IC4702 SIDE B SIDE B FAN CONNECTION ASSY (ANP7504-A) CN4701 J4701 VSX-56TXi...

  • Page 92: Fan Drive Assy

    Q4052 6.REGB R4061 5.REGG Q4052 4.REGB W4051 R4057 3.VH+ W4054 D4058 Q4053 R4062 Q4053 2.VHG W4053 R4058 1.VH- D4057 D4054 Q4056 Q4054 C4053 C4054 Q4054 W4056 W4055 Q4055 Q4055 R4054 DRIVE ASSY CN4054 CMK-P3X (ANP7506-B) (ANP7506-B) CN4054 CN4054 4001 VSX-56TXi...

  • Page 93: Dsp Assy

    IC306 IC701 C340 R718 IC701 L203 X301 IC201 R717 IC201 C337 R317 R715 R716 C338 R241 R244 R302 C921 R725 R726 R242 R707 R243 R706 C715 C716 CN702 CN101 CN701 (ANP7466-B) CN101 CN702 CN701 CN1802 CN402 CN401 VSX-56TXi ONLY VSX-56TXi...
  • Page 94 C428 IC303 IC101 C411 R422 C403 R423 R405 R429 C107 R401 R410 L403 R444 R732 L705 R443 R442 R441 IC706 IC705 R304 R722 C706 C705 C703 R721 R772 C903 R723 C922 Q702 Q701 Q701 R701 Q702 R712 R204 (ANP7466-A) VSX-56TXi...

  • Page 95: 1394 Assy (Vsx-56Txi Only)

    4.14 1394 ASSY (VSX-56TXi ONLY) 1394 ASSY SIDE A SIDE A R131 R217 C216 JA202 C405 R412 R219 Q401 R290 R133 Q401 C248 R408 C410 C406 D103 AWK7 R409 R280 R281 R222 R411 C214 R107 R106 R410 IC401 IC401 R226...

  • Page 96: Display Assy

    W3531 C3012 W3520 W3526 W3525 CN3451 U5.6V W3528 J3003 UGND UGND W3512 S3014 S3011 S3008 S3004 UGND C3008 S3005 S3002 S3017 S3016 S3013 S3010 S3007 IC3002 SIDE B Q3001 IC3001 Q3002 Q3000 Q3003 IC3000 DISPLAY ASSY C3037 R3099 CN3007 VSX-56TXi...
  • Page 97 23.DISP_RDY W3513 24.DISP_RST UGND W3519 25.1W W.UP 26.AC RY 27.MR IN W3512 28.UGND S3004 S3001 S3000 S3003 S3006 S3009 S3012 S3015 29.UGND 30.VF 31.FL AC1 32.FL AC2 (ANP7519-A) S3007 SIDE B Q3004 L3000 R3099 C3034 Q3004 (ANP7519-A) CN3004 CN3005 VSX-56TXi...

  • Page 98: Volume, Multi Jog And Headphone Assys

    4.16 VOLUME, MULTI JOG and HEADPHONE ASSYS SIDE A SIDE A VOLUME ASSY VOLUME ASS'Y 3002 (ANP7507-A) MULTI JOG ASSY (ANP7507-A) CN3451 3003 HEADPHONE ASSY CONTACT SIDE CMK-P3X CN3007 H.P ASS'Y (ANP7507-A) T U V T U V VSX-56TXi...
  • Page 99 SIDE B SIDE B VOLUME ASSY VOLUME ASS'Y R3406 IC3401 R3405 IC3401 C3403 R3401 R3402 R3407 CMK-P3X (ANP7507-A) MULTI JOG ASSY (ANP7507-A) CN3451 HEADPHONE ASSY 1.HPR 2.HPL 3.HPSW (ANP7507-A) T U V T U V VSX-56TXi...

  • Page 100: Power Amp L And Power Amp C Assys

    15.SL C4203 C4204 16.AGSBL C4305 C4303 17.SBL C4304 IC4201 IC4301 C4314 KN4402 C4210 C4211 C4309 C4310 C4311 C4214 C4406 W3038 R4219 W3033 W3036 R4319 W3040 W3041 J4301 W3042 J4201 J4303 J4302 IC4303 IC4303 IC4301 IC4302 IC4203 IC4201 IC4202 CN4603 VSX-56TXi...
  • Page 101 W3028 W3029 C4114 C4401 W3031 W3033 W3039 R4119 W3040 J4301 J4201 J4101 J4102 (ANP7519-A) IC4202 IC4103 IC4101 IC4102 IC4453 CN4605 CN4601 POWER AMP-C ASSY CN4455 R4469 W3146 W3145 C4459 W3144 IC4451 W3150 W3148 CN4602 W3147 W3149 (ANP7519-A) CN4453 CN4454 VSX-56TXi...
  • Page 102 R4114 R4116 D4103 D4101 D4203 D4107 D4201 D4104 D4106 D4102 R4115 R4120 R4121 R4118 Q4102 Q4101 POWER AMP-C ASSY CN4455 R4457 R4456 R4459 C4452 R4458 R4455 C4456 R4466 Q4451 R4472 D4455 R4451 C4466 R4454 Q4452 R4452 R4467 (ANP7519-A) CN4453 VSX-56TXi...
  • Page 103 Q4402 C4307 R4307 R4305 R4314 C4306 R4211 R4311 R4316 R4308 R4210 D4203 D4201 R4315 R4310 R4214 D4207 R4216 D4306 D4301 R4312 D4302 R4215 C4313 D4206 R4221 R4320 R4220 R4317 R4217 R4321 R4318 (ANP7519-A) Q4201 Q4402 Q4302 Q4301 Q4401 Q4202 VSX-56TXi...

  • Page 104: Power Amp R Assy

    POWER AMP-R AWX7985 W3128 CN4454 C4153 CN4453 10.C 9.AGC 8.AMUTE 7.CG1 6.OL DET IC4151 IC4251 5.DC DET C4164 W3099 4.CS 3.CS 2.CS W3103 1.CG2 W3101 W3102 R4169 W3181 J4351 J4251 J4352 J4151 CN4602 CN4606 IC4452 IC4153 IC4151 IC4152 IC4253 IC4251 VSX-56TXi...
  • Page 105 7.AGFR 6.FR CN4002 5.AGSR C4254 4.SR C4253 3.AGSBR 2.SBR 1.NC C4354 C4355 IC4351 C4353 IC4251 W3121 C4260 C4258 C4261 C4251 C4360 W3103 W3104 R4269 W3106 R4369 W3181 J4351 J4451 J4352 J4353 (ANP7519-A) CN4604 IC4253 IC4251 IC4252 IC4353 IC4351 IC4352 VSX-56TXi...
  • Page 106 4.SR C4265 3.AGSBR 2.SBR 1.NC R4255 R4256 C4365 R4355 R4253 R4259 Q4351 Q4404 R4260 R4363 R4402 R4261 D4253 Q4251 R4366 R4365 D4254 D4356 D4357 R4271 R4368 R4371 D4352 R4270 D4351 R4370 R4267 R4367 Q4351 Q4403 Q4252 Q4352 Q4404 Q4251 VSX-56TXi...
  • Page 107 R4476 10.C 9.AGC C4166 8.AMUTE D4255 7.CG1 C4156 6.OL DET 5.DC DET R4266 4.CS R4475 3.CS R4265 R4163 2.CS R4153 1.CG2 R4160 R4164 R4165 R4166 R4161 D4154 D4153 D4157 D4151 R4168 D4152 R4171 R4170 R4167 (ANP7519-A) Q4252 Q4151 Q4152 VSX-56TXi...

  • Page 108: Regulator Assy

    MFD. B Y LITTELFUSE INC. W2418 W2421 W2417 W2419 W2517 IC2406 IC2405 AD+5V W2420 IC2404 W2414 W2413 CN2413 CN2411 W2415 CN502 CN35 IC2404 IC2411 IC2406 IC2405 CN3201 CN2405 CN2405 CN4401 CN2404 CN2404 W2402 CN1903 CN2403 CN2416 CN2403 W2401 CN2401 4602 CN2401 VSX-56TXi...
  • Page 109 W2456 W2482 CN2414 CN2410 D2416 W2449 W2455 L2401 2402 L2402 Y2401 W2448 C2435 C2438 W2446 CMK-P3X 2402 C2408 2251 Q2401 Q2402 IC2405 IC2402 IC2401 IC2403 (ANP7506-B) CN2411 CN2410 CN2414 CN351 CN302 C2405 IC2402 IC2401 IC2403 Q2401 IC2409 Q2402 IC2410 VSX-56TXi...
  • Page 110 SIDE B REGULATOR ASSY CN2409 CN2408 CN2407 C2447 D2423 C2434 2402 (ANP7506-B) C2413 C2404 C2407 D2405 CN2414 CN2410 CN2411 CN2412 VSX-56TXi...
  • Page 111 SIDE B CN2406 CN2415 HCMK-P3X C2447 D2404 C2428 D2403 C2413 D2401 D2402 CN2411 CN2413 CN2405 CN2404 CN2403 CN2401 VSX-56TXi...

  • Page 112: Sp/Ps Assy

    8.W UP -15V 7.ST+5.6V 6.STG W4617 5.-15V W4605 4.+15V W4607 CN2401 L4605 3.REG B 2.REG G 1.REG B W4604 R4625 CN4610 C4629 CN4613 CN4612 CMK-P3X OPEN SIDE OPEN SIDE SP/PS ASS'Y C4612 C4605 (ANP7507-A) CN4613 CN4603 CN4610 CN2004 CN2003 VSX-56TXi...
  • Page 113 Q4602 D4605 3.REG B R4639 2.REG G D4606 8.W UP 1.REG B 7.ST+5.6V 0 0 0 6.STG 5.-15V 4.+15V 3.REG B Q4601 2.REG G 4 4 4 1.REG B SP/PS ASS'Y (ANP7507-A) CN4610 CN4603 CN4613 CN4604 Q4603 Q4602 Q4601 VSX-56TXi...

  • Page 114: Diode, Trans 2-1 And Vh Tr Assys

    2.+B W2248 W2249 ASS'Y 3.+VH W2242 4.-VH Q2231 5.-B W2251 W2252 6.-C W2253 CN2231 Q2232 W2244 W2254 CMK-P3X W2246 W2255 D2242 D2241 VH TR ASS'Y Q2232 (ANP7507-A) DIODE ASSY (ANP7507-A) VH TR ASSY AB AC AD AB AC AD VSX-56TXi...
  • Page 115 REG G REG B 1.+C REGb 2.+B 3.+VH 4.-VH 5.-B REGG 6.-C REGa RISK OF FIRE REPLACE FUSE AS MARKED (ANP7507-A) VH TR ASSY C2231 D2231 R2232 D2232 (ANP7507-A) AWX8018 DIODE ASSY (ANP7507-A) AB AC AD AB AC AD VSX-56TXi...

  • Page 116: Trans 2-2, Trans 1 And Primary Assys

    W2003 W2002 W2006 W2010 RY2001 W2005 W2009 R2002 L2002 W2008 W2007 W2004 T2001 W2011 W2012 W2014 IC2001 W2013 W2022 L2003 PRIMARY ASSY C2004 W2026 W2023 CN2004 W2020 CN2003 (ANP7506-B) CN4610 CN4613 CN2003 CN2004 AE AF AG AE AF AG VSX-56TXi...
  • Page 117 TRANS 2-2 ASSY (ANP7506-B) REPLACE WITH SAME TYPE NO.491005 FOR IC2253, 4913.15 FOR IC2251AND IC2252 MFD. B YLITTELFUSE I NC. (ANP7506-B) 2251 PRIMARY ASSY CN2002 SECONDARY PRIMARY C2012 C2005 C2007 C2006 (ANP7506-B) HCMK-P3X CN2004 CN2003 AE AF AG AE AF AG VSX-56TXi...

  • Page 118: Video Convert Assy

    CN3501 CN4402 Q3507 IC3503 IC3510 IC3504 IC3513 IC3514 IC3508 Q3506 IC3502 IC3505 IC3512 IC3511 SIDE B SIDE B VIDEO CONVERT ASSY +12V VOUT OSDON V-5V V+5V 2279-2 2279-1 (ANP7505-A) CN3501 IC933 Q3502 Q3501 Q3504 Q3510 Q3508 Q3505 Q3511 Q3509 VSX-56TXi...

  • Page 119: 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 WHOLE PCB ASSEMBLIES VSX-56TXi VSX-54TX Mark Symbol and Description /KUXJ/CA /KUXJ/CA 1..FM/AM TUNER MODULE...

  • Page 120: Coaxial In Assy

    AWX8434 and AWX8439 are constructed the same except for the following : Mark Symbol and Description AWX8434 AWX8439 IC105, IC106 UPC4507G2 Not used Q101, Q102 2SC3326 Not used Q103, Q106, Q107 DTA124EK Not used Q104, Q105 2SK208 Not used D531, D532 1SS355 Not used VSX-56TXi...
  • Page 121 Not used SP/PS ASSY AWX8455 and AWX8487 are constructed the same except for the following : Mark Symbol and Description AWX8455 AWX8487 > C4621, C4622 (22000uF/63V) ACH7217 ACH7169 CN4611 8P SPEAKER TERMINAL AKE7099 AKE7074 CN4612 6P SPEAKER TERMINAL AKE7100 AKE7075 VSX-56TXi...

  • Page 122: Front In Assy

    XKP3073 CN1307, CN1308 9P SOCKET XKP3075 INPUT CONNECT ASSY V-AUDIO IN ASSY SEMICONDUCTORS SEMICONDUCTORS IC1401 M62429FP IC1451 UPC4570G2-A Q1201, Q1202 2SC2878 D1401 UDZS5R1(B) CAPACITORS CAPACITORS C1201-C1212 CCSRCH221J50 C1406, C1407 CCSQCH101J50 C1213-C1215 CKSRYB103K50 C1401-C1405, C1451, C1452 CEAT100M50 C1454, C1455 CKSRYB103K50 VSX-56TXi...
  • Page 123 CN4403 12P FFC CONNECTOR 52045-1245 JA4401-JA4403 3P PIN JACK VKB1151 COILS AND FILTERS CN4402 13P SOCKET XKP3077 F1881 DTF1064 CN4401 19P SOCKET XKP3080 CAPACITORS C1688 CCSRCH180J50 C1687 CCSRCH220J50 VIDEO ASSY C1885, C1886 CCSRCH470J50 SEMICONDUCTORS C1887, C1896 CCSRCH471J50 IC3205 LA7213 C1681 CEAT470M16 VSX-56TXi...
  • Page 124 Other Resistors RS1/16S###J Q101, Q102 2SC3326 Q601 2SD1858X OTHERS Q104, Q105 2SK208 Q103, Q106, Q251, Q511 DTA124EUA X501 (15.7MHz) ASS7032 CN552 10P FFC CONNCTOR 52045-1045 Q107 DTC124EUA CN601 11P FFC CONNECTOR 52045-1145 Q501 DTC143EUA CN801 24P FFC CONNECTOR 52045-2445 VSX-56TXi...
  • Page 125 2SA1037K R4756 RD1/4MUF471J Q4051 2SC4793D1 Other Resistors RS1/16S###J Q4052 DTA124EK Q4055 DTC114EK OTHERS Q4053 DTC124EK CN4752 4P JUMPER CONNECTOR 52147-0410 > D4051, D4052 1SR154-400 CN4751 KR CONNECTOR B3B-PH-K D4059 1SS355 KN4751 EARTH METAL FITTING VNF1084 D4055 UDZS12(B) D4053 UDZS27(B) VSX-56TXi...
  • Page 126 KN931 EARTH METAL FITTING VNF1109 C201 CCSRCH220J50 C204, C206, C209, C301, C302 CCSRCH471J50 1394 ASSY C304, C306, C308, C309, C312 CCSRCH471J50 C314, C316, C318, C319 CCSRCH471J50 SEMICONDUCTORS C321, C322, C325, C326 CCSRCH471J50 IC302 K4S641632H-TC75 C329, C330, C332, C333, C335 CCSRCH471J50 > NJM2391DL1-33 VSX-56TXi...
  • Page 127 R275, R276 RS1/16S5101F R267-R274 RS1/16S56R0D J3008 JUMPER WIRE 4P D20PYY0415E R213 RS1/16S6341D J3002 JUMPER WIRE 5P D20PYY0510E Other Resistors RS1/16S###J J3003 JUMPER WIRE 7P D20PYY0715E 3001 FL HOLDER VNF1085 OTHERS X101 (6.14MHz) VSS1179 X302 (22.5792MHz) ASS7054 X201 (24.5760MHz) ASS7055 VSX-56TXi...

  • Page 128: Volume Assy

    C4112, C4113, C4212, C4213 CCSRCH6R0D50 > R4181, R4182, R4281, R4282 ACN7107 C4312, C4313 CCSRCH6R0D50 > R4381, R4382, R4481 (0.1) ACN7107 > R4169, R4269, R4369 (0.22/5W) ACN7121 C4114, C4214, C4314 CEANP1R0M50 R4162, R4262, R4362 RN1/10SE3302D C4401, C4402 CEAT331M63 Other Resistors RS1/16S###J VSX-56TXi...
  • Page 129 D2405, D2406, D2413, D2414 RB501V-40 C4621, C4622 ACH7217 C4623 CEAT101M50 D2420 UDZS10(B) C4601-C4614 CFTNA224J50 D2421, D2422 UDZS15(B) C4625-C4631 CQMBA103J50 D2423, D2424 UDZS6R2(B) RESISTORS CAPACITORS > R4621-R4627 RD1/2LMF4R7J C2401, C2402 (3300u/35V) ACH7191 R4628-R4632 RD1/2VM331J C2433 (4700u/16V) ACH7192 R4615, R4616 RD1/4MUF473J VSX-56TXi...

  • Page 130: Video Convert Assy

    KN2001 EARTH METAL FITTING VNF1084 RESISTORS Other Resistors RS1/16S###J VIDEO CONVERT ASSY OTHERS SEMICONDUCTORS CN2231 6P LTYPE CONNECTOR KPD6L IC3505 BU4094BCF IC3501 MM1093NF > IC3507 NJM78L09A IC3514 TA1270BF TRANS2-2 ASSY IC3504 TC74HC4053AFT SEMICONDUCTORS > IC2251, IC2252 PROTECTOR(3.15A) AEK7016 IC3502, IC3503 TC74LVX4053FT VSX-56TXi...

  • Page 131: Adjustment

    CKSRYB561K50 RESISTORS Other Resistors RS1/16S###J OTHERS X3501, X3503 (3.579545MHz) ASS1091 X3502 (4.4336319MHz) ASS1092 X3504 (503kHz) ASS7036 3501, 3502 SCREW PLATE VNE1948 CN3501 13P PLUG XKP3066 CN3502 15P PLUG XKP3067 FM/AM TUNER UNIT FM/AM TUNER UNIT has no service parts. VSX-56TXi...

  • Page 132: General Information

    3) Thermistor open detection If a total (total of 50 times) of A/D value (TEMPIN) for one second is less than 250, the indication "THDCT NG" flashes. If this status continues for 3 seconds, the power becomes the standby mode. VSX-56TXi...
  • Page 133 Detects when the 12V_DET port Turns 12V_TRG port to Flashing "12V TRI ERR" To detect the shortcircuit of assigned 12V TRIG is becomes "H". "L", then turns off the 12V trigger 12V trigger circuit valid.Release the FL output. indication with the power on/off. VSX-56TXi...

  • Page 134: Diagnostics Of Amplifier Section

    R4106, 4107 (RS1/16S101J:100 Ω chip IC4101 power filter resistor) 3. IC4101 (PA9009A: Power amplifier with output current bias Voltage step HIC) IC4701, 4702 (AEK7023: 200mA IC protector /FAN CONNECTION Assy) 4. Q2231, 2232 (2SC4793,2SA1837 TO-220 Tr. /VH TR Assy) VSX-56TXi...

  • Page 135: Trouble Shooting

    IC902 CN101-pin 8. Is 1.8V Replace IC902 USB (pin 5) outputting it ? Confirm Check the COXIAL IN Assy the poor contact or OPTICAL IN Assy and of lead wire of so on. CN101-pin 6. VSX-56TXi...
  • Page 136 Is outputting it ? pins 2-4 Same signal Replace IC701 waveform BCK (pin 26) Replace IC201 Is outputting it ? pins 5-7 Same signal Replace IC701 waveform pins 11-9 Same signal Replace IC701 waveform pins 14-12 Same signal Replace IC701 waveform VSX-56TXi...
  • Page 137 5 there poor contact Replace IC401 or IC451 Is outputtingit ? of lead wire of IC401 or IC451 Is not pin 6 there poor contact Replace IC401 or IC451 Is outputtingit ? of lead wire of IC401 or IC451 VSX-56TXi...
  • Page 138 IC541 pin 14 Is a signal Replace IC541 outputting it pin 14 Is a signal Replace IC561 pin 16 outputting it Is a signal Replace IC541 outputting it pin 16 Is a signal IC561 Replace IC561 outputting it VSX-56TXi...
  • Page 139 Is a signal Replace IC641 Replace IC641 outputting it outputting it IC661 pin 7 Is a signal Replace IC641 outputting it pin 1 Is a signal Replace IC661 outputting it pin 7 Is a signal Replace IC661 outputting it VSX-56TXi...

  • Page 140: Outline Of The 1394 Unit

    As the unit does not support the MPEG2-TS protocol (for BS digital tuners and D-VHS) or the DV protocol (for digital video cameras and Pioneer's DVR) among IEEE 1394 audio and video protocols, it does not support video data transmission.
  • Page 141 IEEE 1394 Error Indications VSX-56TXi...

  • Page 142: Disassembly

    Remove the eight screws. Disconnect the six connectors. Disconnect the one flexible cable and the one connector. Remove the heatsink section. ×6 ×2 ×2 Front side ×2 ×2 POWER AMP-C Assy POWER AMP-L Assy POWER AMP-R Assy POWER AMP IN Assy VSX-56TXi...
  • Page 143 Unhook the two hooks. Remove the front panel section. Disconnect the one flexible cable. MAIN CONTROL Assy MIC AMP Assy DISPLAY Assy Top view HEADPHONE MIC & F. OPT IN FRONT IN Assy Assy Assy MULTI JOG VOLUME Assy Assy DISPLAY Assy VSX-56TXi...
  • Page 144 ×4 MAIC AMP DSP Assy 1394 Assy Assy (VSX-56TXi only) Remove the AC IN socket. (for VSX-56TXi) Disconnect the one connector. (for VSX-54TX) Remove the three screws. Remove the eight screws. Remove the locking card spacer. Disconnect the one connector.
  • Page 145 Assy Assy FM/AM TUNER INPUT CONNECT Top view MAIN CONTROL Assy Unit Assy MAIN CONTROL Assy Side view DSP shield 1394A (VSX-56TXi) DSP shield 45A (VSX-54TX) V-AUDIO IN Assy 7.1CH I/O Assy COMPONENT REGULATOR Assy Assy Front side 12V TRIGGER...
  • Page 146 If you do not, the resistors may be damaged by a surge of current. CN4003 Electrolytic capacitors to be discharged: TRANS 2-1 Assy: C2207, C2208, C2211 FAN DRIVE Assy: C4055, C4056 Return the Heatsink Section to its original position. Diagnosis VSX-56TXi...

  • Page 147: Parts

    Master clock input of fs44.1kHz (33.8688MHz or 22.5792MHz) CLK44KI Crystal resonator input of fs44.1kHz (22.5792MHz) CLK44KO Crystal resonator output of fs44.1kHz (22.5792MHz) L: CLK4XK input selection, H: crystal resonator I/O selection As for the crystal resonator, less than SELOSC 30MHz are insured. VSX-56TXi...
  • Page 148 − VSSCORE Digital GND (for inside) − VDDCORE Digital VDD (3.3V, for inside) − VSSOUT Connect to analog GND − VSSPASS Analog GND − VDDPASS Analog VDD (3.3V) LPOUT Phase comparator output (analog) LPIN VCO control voltage input (analog) VSX-56TXi...
  • Page 149 139 SDCLK Data input/output for external SDRAM 140 SDDQMU Data input/output for external SDRAM 141 SDXRAS XRAS output for external SDRAM 142 SDXCAS XCAS output for external SDRAM 143 SDXWE XWE output for external SDRAM − 144 VSSOUT Digital GND VSX-56TXi...
  • Page 150 DOWNMIX SDET furniture DISP EN DSP HREQ2 OSD RST DSP HREQ1 OSD CS EVR DT OSD CONT EVR CLK DISP RST EVR CS DISP RDY M62429 CLK OSD/DISP CLK M62429 DT DISP DO DSP MUTE OSD/DISP DI DAC RST VSX-56TXi...
  • Page 151 Communication data in signal with the DIR/DAC DIR CS Communication chip select signal with the DIR/DAC DIR CK Communication clock signal with the DIR/DAC DIR ERR Lock/Unlock signal DIR RST DIR reset signal DECO MUTE Boot success detecting port of 1st DSP VSX-56TXi...
  • Page 152 Level detection with A/D TEMP-IN Temperature detection Level detection with A/D FAN STOP Fan forced stop detection − AVSS Connect to VSS TEST1 Test terminal − VREF Connect to VCC − AVCC Connect to VCC 100 TEST2 Test terminal VSX-56TXi...
  • Page 153 VOL_– P02/FLD10 P91/XCOUT P90/XCIN P03/FLD11 P04/FLD12 INPUT_L P05/FLD13 INPUT_R XOUT XOUT P06/FLD14 P07/FLD15 CHECKER P46/T2OUT P10/FLD16 P45/T1OUT P11/FLD17 P44/PWM1 P12/FLD18 P43/BUZO1 P13/FLD19 MIC SW P42/INT3 P14/FLD20 232C DET P15/FLD21 P41/INT1 1394 MR IN P16/FLD22 P40/INT0 MCACC P17/FLD23 P87/PWMO/FLD39 STBY VSX-56TXi...
  • Page 154 No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function KEY5 KEY AD input 41 STANDBY Standby LED MR SW Multi room input Pioneer/others L: Pioneer 42 MCACC MCACC LED KEY1 43 1394 1394 LED KEY2 44 NC KEY AD input...
  • Page 155 "H" at PHONO equalizer ON DSDM DSD DIRECT control "H" at Power ON processing and muting MUTE FUNC COMPONENT D4 Input selection (2 Input to 1 Output) FAN DRIVE ON when rotates the FAN LOFAN Not used, "H" fixed VSX-56TXi...
  • Page 156 PCM2902EG (COAXIAL IN ASSY: IC1681) (VSX-56TXi only) • USB Codec IC Pin Assignment (Top view) Pin Function Pin Name Pin Function USB differential input/output plus(1) D– USB differential input/output minus(1) VBUS Connect to USB power (VBUS) − DGNDU Digital ground for USB transceiver...
  • Page 157 About PCM2902EG • With codec of USB BUS POWERED, power is supplied from Vbus of USB, and work. (work with a power supply of VSX-56TXi irrelatively.) • Be USB codec, but analog I/O and digital (SPDIF) input are not using in VSX-56TXi.
  • Page 158 AGND MCIF_DATA8 TPB0_N MCIF_DATA7 TPB0_P MCIF_DATA6 AGND MCIF_DATA5 AVd d MCIF_DATA4 TPA0_N MCIF_DATA3 TPA0_P MCIF_DATA2 TPBIAS0 AVd d TPB1_N MCIF_DATA1 TPB1_P MCIF_DATA0 AGND MCIF_BUSCLKz TPA1_N MCIF_WEz TPA1_P MCIF_OE z TPBIAS1 MCIF_ACKz MCIF_WAITz MCIF_STRBz AVd d MCIF_R_nWz MCIF_CS_MEMz MCIF_CS_IOz MCIF_INTz VSX-56TXi...
  • Page 159 SYT PLL 512 B PCM-AUDIO CONFIGURATION REGISTERS (CFRs) 256KB RAM UART MONITOR PROGRAM DATA MEMORY TIMER 0 EXT. ADDRESS COMM MEMORY TIMER 1 CONTROL WDOG / SHARED RAM TIMER 2 ARM7TDMI GP I/O CFRs RISC JTAG CORE PORT DEBUGGER VSX-56TXi...
  • Page 160 MCIF address 1 pin. This data pin is the least significant bit of the MCIF address bus. 120 MCIF_ADDR1 MCIF_ADDR0 is internally grounded. Only 16-bit addressing is allowed. MCIF_ADDR1 must be connected to the Address1 signal of the system CPU. VSX-56TXi...
  • Page 161 MCIF Write Enable. Default active low. This input pin indicates if the system CPU wants to perform a MCIF write access. This signal is used for the following modes: MCIF_WEz • SH-3 I/O access • M16C/62 I/O access • Memory access This signal must be pulled high if not used. VSX-56TXi...
  • Page 162 Power-up default is input. Physical Layer Pins Pin Name Pin Function TPA0_N TPA1_N TPA2_N Twisted pair A differential signal terminals. For an unused port, TPAN and TPAP signals are left open (i.e., TPA0_P TSB43CA42 for Port 2). TPA1_P TPA2_P VSX-56TXi...
  • Page 163 HSDI port 0 data 6 pin This signal is output to HSDI1_D6 in pass-through mode HSDI port 0 data 7 pin Data 0 is the most significant bit on the HSDI data bus. 152 HSDI0_D7 This signal is output to HSDI1_D7 in pass-through mode VSX-56TXi...
  • Page 164 This signal is used as HSDI1_SACD_D0 for SACD transmit and receive. 159 HSDI1_D1 HSDI port 1 data 1 pin. This signal is used as HSDI1_SACD_D1 for SACD transmit and receive. 163 HSDI1_D2 HSDI port 1 data 2 pin. This signal is used as HSDI1_SACD_D2 for SACD transmit and receive. VSX-56TXi...
  • Page 165 Audio MLPCM interface D2. Contains channel 5 and channel 6 information. MLPCM_LRCLK determines MLPCM_D2 which channel is present. This signal also functions as FLWCTL_D0 in flow control mode Audio MLPCM interface left-right clock. Multiple functions: • DVD audio LRCLK (I) MLPCM_LRCLK • DVD audio LRCLK (O) • Flow control LRCLK (I/O) VSX-56TXi...
  • Page 166 TEST_MODE0 TEST_MODE1 Test mode. TEST_MODE2 Used for internal TI testing. Must be pulled low for normal operation. TEST_MODE3 TEST4 Factory test pin. Must tie to low for normal operation. Recommend connection to ground through a 1 kΩ resistor. TEST5 VSX-56TXi...
  • Page 167 (4fs 240w) INT/EXT. POSLR DATA SELECT XMTPCM POCSW EXIFLR EXISLR SELEXT EXICSW EXILRCK PLRCK EXIBCK EXIMCK INT/EXT. PBCK CLOCK SELECT SYNC MCKOUT INIT CLOCK GENERATOR DIRDSCK TIMING DSBCK CONTROL DIRPCK (Internal Clocks) TEST1 TOUT1 TEST TEST2 CONTROL TOUT2 TEST3 VSX-56TXi...
  • Page 168 DSISL DSD data input: surround left-channel DSISR DSD data input: surround right-channel DIRDSCK DSBCK I/O select L: input (slave), H: output (master) SYNC Forced synchronization input (active-HIGH edge) INIT Initialization input: Active-LOW, Resync on L -> H − Ground VSX-56TXi...
  • Page 169 1H DL SYNC Vcc 1HDL CONT CONTROL (9V) P/N ID SECAM LPF/fsc CHROMA NOSE CP/HP SECAM CONT CP/HP IN CONTROL TRAP B-Y/Cb OUT Dig GND H. AFC H C/D V C/D Cb/Cr/UV R-Y/Cr OUT SCP OUT SYNC 32fH VCXO COLOR VSX-56TXi...
  • Page 170 Outputs B-Y (U) signal or Cb signal. Incorporates LPF to reject carrier. Outputs R-Y (V) signal or Cr signal. Incorporates LPF to reject carrier. Pulling up the pin with 10 kΩ monitors R-Y / Cr output CHROMA signal after ACC and TOF circuits (before demo input). VSX-56TXi...

  • Page 171: Display

    1-5B 2-5B 3-5B 4-5B 5-5B 1-5A 2-5A 3-5A 4-5A 5-5A 1-6B 2-6B 3-6B 4-6B 5-6B 1-6A 2-6A 3-6A 4-6A 5-6A 1-7B 2-7B 3-7B 4-7B 5-7B 1-7A 2-7A 3-7A 4-7A 5-7A (Lower stage) (Upper stage) (14G to 1G) (14G to 6G, 2G, 1G) VSX-56TXi...
  • Page 172 3-7B 3-7B 3-7B 3-7B 3-7B 3-7B 3-7B 3-7B 3-7B 4-7B 4-7B 4-7B – 4-7B 4-7B 4-7B 4-7B 4-7B 4-7B 4-7B 4-7B 4-7B 4-7B 4-7B – 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B 5-7B VSX-56TXi...

  • Page 173: Cleaning

    – – – – – – – – 7.3 CLEANING Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools: Position to be cleaned Cleaning tools Fans Cleaning paper : GED-008 VSX-56TXi...

  • Page 174: Remote Control Unit

    7.4 REMOTE CONTROL UNIT 7.4.1 EXPLODED VIEWS AND PARTS LIST (VSX-56TXi : AXD7325) Mark No. Description Part No. Mark No. Description Part No. Connector 423RRC-046-01G PCB Assy AZC7301 Plate 481RRC-018-01G Rubber Key AZA7425 Shield Plate 801RRC-020-01L Case A AZN7905 Case B...

  • Page 175: Panel Facilities

    Surround listening mode buttons after the Auto Surround Setup has been completed). Use to select the MOVIE and MUSIC surround listening i.LINK indicator modes. Lights when an i.LINK-audio-equipped component is ENTER selected. Use to confirm your selection (with the MULTI JOG dial). VSX-56TXi...
  • Page 176 CONTROL Use together with the MULTI JOG dial to select the function or use with the MASTER VOLUME to select the volume of the sub room. ON/OFF Use to switch the multi-room feature on or off. VSX-56TXi...
  • Page 177 Lights when listening to a stereo FM broadcast in auto/stereo mode. MONO Lights when the tuner MPX mode is set to mono. TUNED Lights when tuned to a broadcast. SB CH Indicates the surround back channel (or Virtual Surround Back) setting (AUTO, ON or OFF ). VSX-56TXi...

  • Page 178: Rear Panel

    Control input/output 12 Monitor video outputs Mini-plug terminals for connection to other Pioneer Two video outputs consisting of a standard composite components to enable you to control all your equipment video output and an S-video output, for connection to from a single remote sensor.
  • Page 179 VSX-56TXi AC IN SWITCHED 100W(0.8A)MAX SELECTABLE 16 12V trigger jack 19 AC power inlet This terminal outputs DC 12V according to the input Connect the supplied power cord here. functions (100 mA max.). 20 AC power outlet (Switched 100W max.)

  • Page 180: Remote Control Unit

    8.4 REMOTE CONTROL UNIT This page describes the buttons on the remote control used to operate the receiver. VSX-56TXi : AXD7325 1 Remote Control Display Screen 2 SOURCE button Use this button to turn on/off other components. You must input the preset code in order to use this function.
  • Page 181 12 SYSTEM OFF button This button turns off components in two ways. HI-BIT button First, when pressed it will turn off all PIONEER Use this button to switch the AUDIO SCALER on components. Secondly, any component that has or off.
  • Page 182 VSX-54TX : AXD7365 VSX-54TX CENTER VSX-54TX VSX-56TXi...

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