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)
11.6 5.1CH INPUT and HEAD PHONE ASSYS .........................73 11.7 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ..............74 11.8 DIGITAL INPUT ASSY ..............................78 11.9 REGULATOR ASSY..............................79 11.10 VIDEO ASSY ................................80 11.11 FRONT MINI JACK ASSY............................81 11.12 TRANS1 and PRIMARY ASSYS..........................82 12. ELECTRICAL PARTS LIST ...............................84 VSX-518-K...
4) Furthermore, check the output DC voltage of each channel of power pack IC601 and IC603 to limit the failure channel and identify the defect power pack. ↓ • After identify the failure channel, check that each part is not damaged (resistor, diode... etc. value / open / short) VSX-518-K...
Inc. and "DTS 96/24" is a trademark of on Power Output Claims for Amplifiers. DTS, Inc. ** Measured by Audio Spectrum Analyzer. Accessories Remote control (VSX-518-K : XXD3155) AM loop antenna FM wire antenna AA size IEC R6 (VSX-518-S : XXD3165) (ATB7013)
PHASE CONTROL Press to switch on/off Phase Control. PHONES jack Use to connect headphones (when connected, DIALOGUE ENHANCEMENT there is no sound output from the speakers). Use to make dialog stand out when watching TV or a movie. VSX-518-K...
Page 8
(TV / SAT) IN 2 FRONT / BD IN WOOFER DVD5.1 PREOUT CH INPUT MONITOR / SAT / SAT IN ( ASSIGNABLE ) DIGITAL IN COAX / VCR IN / VCR OUT ( DVR / VCR ) / VCR COAX (DVD / BD) VSX-518-K...
Page 9
Direct playback bypasses the tone controls Lights when Dialog Enhancement is switched for the most accurate reproduction of a source. AUTO SURR. 17 LOUDNESS Lights when the Auto Surround feature is Lights during Loudness listening. switched on. 18 Master volume level VSX-518-K...
Page 10
Displays the disc ‘top’ menu of a DVD. Use to select the input source (use SHIFT for INPUT SELECT ONE TOUCH COPY* RECEIVER Copies the currently playing title from DVD Switches the receiver between standby and on. to HDD or vice-versa. VSX-518-K...
Page 11
Skips to the next track or chapter. SOURCE REC* Starts recording. Turns on or off the power of the Pioneer DVD/ * Stops recording. REC STOP DVR units when DVD or DVR is selected using Displays/changes the subtitles on SUBTITLE the MULTI CONTROL buttons.
Too dark Volume fluctuating Too bright Sound interrupted Mottled color 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-518-K...
11/120 XDD3235 1919 7/190 XDD3259 1907 13/170 CN603 DIGITAL 5.1CH INPUT ASSY INPUT ASSY (XWZ4298) (XWZ4341) VIDEO ASSY (XWZ4290) (Note : No schematic diagram) WIRE INDICATION 5/70 E.g. 7/140 XDD3196 7: Number of contacts (pin) 140: Insulation length (mm) VSX-518-K...
Page 15
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. VSX-518-K...
PDC152A8 for AWX8812, AWX8805, AWX8806 AWX8980 only AWX8805, AWX8809 only IC953 Analog 8ch OUT 6ch OUT(AWX8980 only) LEVEL IC902 IC901 SHIFTER Control in PQ1LAX95MSPQ PQ1LAX95MSPQ TC74VHC08 1.25V 3.3V IC951 IC952 Control out Control out LEVEL LEVEL SHIFTER SHIFTER TC74VHCT08 TC74VHCT541 VSX-518-K...
Replace IC952. 5 V for pin 4 5 V to 5.3 V REGULATOR assy. input? input? IC952 (pin 15) convert 3 V into Replace IC952. 5 V for pin 5 input? Part shape and Pin arrangement of IC901 and IC902 VSX-518-K...
Page 20
(0 V <-> 3.3 V) Check the other assy. a 24.576 MHz Replace IC802. (surrounding of the output? microcomputer) To Step 6 Replace IC601. LRCK (LR clock) IC601 (pin 24) Is there a LR clock Replace IC601. output? (0 V <-> 3.3 V) VSX-518-K...
Page 21
Is the output Replace IC801. 0 V fixing? IC801 (pin 6) Surround L/R data Is the output Replace IC801. 0 V fixing? Front L/R data IC801 (pin 7) Is the output Replace IC801. 0 V fixing? To Step 8 VSX-518-K...
Page 22
Is the output Replace IC701. Replace IC701. a data output? 2.5 V fixing? Front R out Front R out IC701 (pin 28) IC701 (pin 28) Is there Is the output Replace IC701. Replace IC701. a data output? 2.5 V fixing? VSX-518-K...
MAIN ASSY POWER PACK ASSY R727 IC9001 XPROTECT (U-P) XPROTECT Pin 89 (refer 4) XPROTECT Normal : +5 V Fan Stop DET. FAN abnormal Fan Stop STOP : 0 V Q253 R445 R438 Fan - Q252 Fan + +24V VSX-518-K...
Page 24
2SA2005(E) MAIN ASSY IC9001 (U-P) XPROTECT Voltage supply to +12 V REGULATOR IC D+5.6V Q807(1/2) C801 2200 D801 D807 Q807(2/2) S1WB(A)60SD Q808(1/2) R807 R808 C802 Q808(2/2) R806 2200 C806 1/50 D806 MTZJ6.2B Voltage supply to -12 V REGULATOR IC VSX-518-K...
When an overload is detected, A.MUTE* is turned on, speaker relay is turned off, then "OVERLOAD" flashes on the display. ↓ The abnormality continues for 3 seconds. ↓ Continues. ↓ Recovery The power is shut off even if the The power is shut off. unit recovers. VSX-518-K...
If the fan is forcibly stopped or become out of order, the 'XPROTECT' port becomes "L". Then an abnormality of fan is detected. • Detection routine and recovery is same as "3. XPROTECT detection". 6. SERVICE MODE There is no information to be shown in this chapter. VSX-518-K...
PRIMARY Assy Remove the two screws. Remove the one screw. Remove the push rivet. Rear view Remove the BIND Assy by removing the one screw. Remove the one screw. Release the binders, as required. Heatsink MAIN Assy Heatsink BIND Assy VSX-518-K...
Page 28
Diagnosis not to damage the TRANS Assys. Caution: During diagnosis, be sure NOT to remove the three screws marked A in the above photo. There is the case that a product does not work normally when removes these screws. VSX-518-K...
Remove the bonnet by removing the six screws. Remove the four screws. Remove the two screws. Unhook the two hooks. Remove the front panel section. Front panel section 8. EACH SETTING AND ADJUSTMENT There is no information to be shown in this chapter. VSX-518-K...
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.) 9.1 PACKING VSX-518-K...
Page 31
Packing Case See Contrast table (2) Sub Pad XHA3179 NSP 15 DS Tape XEH3001 (2) CONTRAST TABLE VSX-518-K/KUCXJ and VSX-518-S/KUCXJ are constructed the same except for the following: VSX-518-K VSX-518-S Mark Symbol and Description /KUCXJ /KUCXJ 6 Remote Control XXD3155...
9.2 EXTERIOR SECTION Refer to "9.3 REAR PANEL SECTION". Cleaning paper : GED-008 Refer to "9.4 FRONT PANEL SECTION". VSX-518-K...
Page 33
• • • • • • • • • • • • • • • Screw See Contrast table (2) (2) CONTRAST TABLE VSX-518-K/KUCXJ and VSX-518-S/KUCXJ are constructed the same except for the following: VSX-518-K VSX-518-S Mark Symbol and Description /KUCXJ...
9.3 REAR PANEL SECTION MAIN CN105 TRANS 1 MAIN CN105 TRANS 2 MAIN CN1201 CN103 MAIN CN129 POWER PACK FRONT VIDEO CN803 CN901 VSX-518-K...
Page 35
ZCA-BK1 • • • • • • • • • • Screw BBZ30P080FNI Screw BBZ30P080FTB (2) CONTRAST TABLE VSX-518-K/KUCXJ and VSX-518-S/KUCXJ are constructed the same except for the following: VSX-518-K VSX-518-S Mark Symbol and Description /KUCXJ /KUCXJ 11 R Panel...
9.4 FRONT PANEL SECTION POWER PACK CN702 MAIN CN101 MAIN CN108 VSX-518-K...
Page 37
VOL Knob V4 See Contrast table (2) VOL Knob V5 See Contrast table (2) STANDBY BTN See Contrast table (2) (2) CONTRAST TABLE VSX-518-K/KUCXJ and VSX-518-S/KUCXJ are constructed the same except for the following: VSX-518-K VSX-518-S Mark Symbol and Description /KUCXJ /KUCXJ...
D20PYY0323E GNDA GNDA1 CN108 C139 FRONT L VIDEO L 10/50 GNDA GNDA DSPOL C140 FRONT R VIDEO R 10/50 52147-0310 TO FRONT AUDIO ASSY GNDA GDAC CN109 XKP3090 GNDA CN815 TO 5.1CH INPUT ASSY TO POWER PACK ASSY CN307 VSX-518-K...
Page 39
: Audio Signal Route (Surround L ch) 3.9K 4.7K SWIN1 2.2/50 STBY STBY : Audio Signal Route (Center ch) R272 R274 (SBL) 2.7K : Audio Signal Route (Surround Back L ch) (SW) : Audio Signal Route (SubWoofer ch) GDAC VSX-518-K...
Page 49
REPLACE ONLY WITH SAME (SL) TYPE NO. AEK7009 FOR IC610 : Audio Signal Route (Surround L ch) MFD, BY LITTELFUSE INC. Q605,606,633,655,656,683, : Audio Signal Route (Center ch) F-DRIVE Q505: OVERLOAD DETECTOR Q696,697: DC OUTPUT DETECTOR : AUDIO SIGNAL ROUTE VSX-518-K...
Page 53
TO MAIN ASSY (MAIN ASSY 2/3) DB932ND0 STBY CN251 DB932ND0 XDX3064 51048-0300 TRANS3 ASSY (XWZ4337) C406 470/35 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. AEK7008 MFD, BY LITTELFUSE INK. FOR IC357. VSX-518-K...
Page 57
HP L 47/50 HP G R1552 C1562 HP R 47/50 AMUTE HP SW GNDU 1551 R1556 R1555 51048-0600 4.7k 4.7k Q1551 Q1552 2SC5938A(AB) 2SC5938A(AB) XDX3065 HEAD PHONE ASSY KN1551 VNF1084 (XWZ4321) CHASSIS (FL) : Audio Signal Route (Front L ch) VSX-518-K...
VCR PLAY 47/25 R317 (SW) R318 (SW) 1.2k R319 Q303 SW OUT 2SC5938A 4.7k (AB) CN310 9604S-07C V+5.6V V-5.6V VIDEO B GAVS VIDEO A VIDEO INH VIDEO ASSY CN551 (XWZ4290) CN304 9604S-13C TO MAIN ASSY (MAIN ASSY 3/3) CN130 VSX-518-K...
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-518-K...
CN701 FL AC1 C1251 AC RY W381 R1255 AC WUP CN1201 GNDU ST+5V IC851 R1256 W382 (XNP3126-B) SIDE B TRANS2 ASSY CN1201 CN1201 SECONDARY ST+5V GNDU INC. LITTLEFUSE MFD. MARKED. LINKS REPLACE CAUTION 491004 IC853 DREG DREG C872 (XNP3126-B) VSX-518-K...
Page 71
C406 SECONDARY C881 R882 ATTENTION CN251 REMPLACER COMME LINKS CHEZ INDIGUE INC. LITTELFUSE (XNP3126-B) POWER TRANSFORMER (T1501) SIDE B TRANS3 ASSY TRANS3 CAUTION XWZ4337 REPLACE IC LINKS AS MARKED. MFD.BY LITTELFUSE INC. R882 C881 C882 C883 SECONDARY C884 (XNP3126-B) VSX-518-K...
4.OPT2 DIGITAL IN ASSY 3.GNDD 2.D+5V XWZ4298 1.OPT1 XWZ4299 W390 CONTACT SIDE JA1900 JA1902 JA1901 KN1902 (XNP3125-B) SIDE B SIDE B DIGITAL INPUT ASSY ASSY DIGITAL XWZ4299 XWZ4298 C1900 1.OPT1 2.D+5V 3.GNDD 4.OPT2 5.GNDD R1903 CN1902 1 CN1903 (XNP3125-B) VSX-518-K...
C810 PRINTED PRINTED W372 PRINTED SIDE PRINTED PRINTED SIDE SIDE IC801 IC802 SIDE IC807 SIDE IC809 IC808 (XNP3125-B) SIDE B SIDE B REGULATOR ASSY C817 R810 C818 C803 C804 R818 XWZ4317 XWZ4316 GNDD XWZ4315 CN800 ASSY REGULATOR (XNP3125-B) CN800 VSX-518-K...
SIDE A SIDE A FRONT MINI JACK ASSY FRONT AUDIO ASSY [[ G ]] JA971 1.FRONT L 2.GND 3.FRONT R XWZ 4296 (XNP3125-B) SIDE B SIDE B (XNP3125-B) 3.FRONT 2.GND 1.FRONT 4296 ASSY AUDIO FRONT FRONT MINI JACK ASSY VSX-518-K...
/F ONLY W286 W284 W282 W289 PRIMARY W293 W288 W281 W294 W280 W682 W680 RISK OF CN51 FIRE -REPLACE FUSE AS MARKED KN51 IC52 SECONDARY W275 PRIMARY ASSY W276 XWZ4301 XWZ4302 [[ G ]] XWZ4303 XWZ4304 CN1201 XWZ4305 XWZ4306 (XNP3125-B) VSX-518-K...
Page 83
SIDE B SIDE B TRANS1 ASSY (XNP3125-B) PRIMARY ASSY NEUTRAL LIVE PRIMARY RISK OF FIRE -REPLACE FUSE AS MARKED 4.STBY5V 3.AC_WUP 2.AC_RY 1.GNDU SECONDARY PRIMARY ASSY XWZ4301 XWZ4302 XWZ4303 XWZ4304 XWZ4305 XWZ4306 (XNP3125-B) VSX-518-K...
Q 253 (A,53,99) TRANSISTOR RT1N241M D 9011 (A,60,75) DIODE DAN202U(A) Q 254 (B,61,103) DIGITAL TR(SC-70) RT1P241M D 9064 (A,58,75) DIODE DAP202U(A) Q 255 (A,61,99) TRANSISTOR RT1N241M D 9065 (A,63,80) DIODE DAP202U(A) Q 256 (A,61,95) CHIP TRANSISTOR 2SD2704K D 9068 (A,50,81) DIODE 1SS355(A) VSX-518-K...
Page 85
R 472 (A,156,63) RS1/16S0R0J R 210 (B,216,91) RS1/16S392J R 479 (B,142,57) RS1/16S103J R 211 (B,219,85) RS1/16S332J R 480 (B,142,62) RS1/16S103J R 212 (B,219,91) RS1/16S332J R 484 (A,173,70) RS1/16S104J R 241 (A,206,70) RS1/16S473J R 485 (A,170,77) RS1/16S472J R 242 (A,206,75) RS1/16S473J VSX-518-K...
Page 86
C 251 (A,219,68) CKSRYB103K50 R 9082 (A,121,71) RS1/16S274J C 252 (A,219,75) CKSRYB103K50 R 9091 (A,132,39) RS1/16S0R0J C 253 (A,130,91) CKSRYB103K50 R 9092 (A,129,38) RS1/16S0R0J C 254 (A,157,96) CEAT101M25 R 9093 (A,133,51) RS1/16S0R0J C 256 (A,135,84) CKSRYB103K50 C 261 (A,183,54) CEAT2R2M50 VSX-518-K...
Page 87
L 701 (B,68,30) CHIP SOLID INDUCTOR QTL1013 R 802 (A,40,50) RESISTOR ARRAY RAB4CQ101J R 803 (B,44,48) RS1/16S103J L 702 (A,93,22) CHIP SOLID INDUCTOR QTL1013 R 804 (B,42,48) RS1/16S103J L 801 (A,37,25) CHIP SOLID INDUCTOR QTL1013 R 805 (B,39,42) RS1/16S103J VSX-518-K...
Page 88
C 701 (A,67,32) CKSSYB103K16 C 703 (A,64,23) CEVW101M16 IC 601 (A,265,14) 2CH POWER IC PAC014A C 704 (A,67,29) CKSRYB104K16 IC 603 (A,137,14) 3CH POWER IC PAC015A IC 610 (A,59,28) PROTECTOR(1A) AEK7009 C 705 (A,68,30) CCSSCH101J50 IC 701 (A,100,80) IC PROTECTOR ICP-N10 VSX-518-K...
Page 89
D 827 (A,262,132) DIODE MTZJ6R2(B)(A) R 681 (A,73,51) RD1/4PU102J R 682 (B,77,49) RS1/16S103J D 828 (A,227,99) DIODE MTZJ6R2(B)(A) R 685 (B,80,37) RS1/16S563J D 829 (A,239,128) DIODE D3SBA20(B)(A) R 686 (B,85,21) RS1/16S182J L 751 (A,160,108) COIL ATH1004 R 687 (A,88,11) RD1/4PU563J VSX-518-K...
Page 90
RD1/4PU182J C 780 (B,93,18) CCSRCH470J50 C 781 (A,92,27) CEAT101M16 R 787 (A,106,59) RD1/4PU821J C 783 (B,112,24) CCSRCJ3R0C50 R 788 (A,107,38) RD1/4PU223J C 784 (A,110,48) CEANP2R2M50 R 806 (B,280,48) RS1/16S103J C 801 (A,248,114) ELECT. CAPACITOR CEAT222M25 R 807 (B,278,48) RS1/16S103J VSX-518-K...
Page 91
PE5550A CAPACITORS Q 442 (B,238,190) TRANSISTOR RT1N241M C 567 (B,262,186) CKSRYB103K50 Q 484 (B,215,190) TRANSISTOR 2SA1576A C 568 (B,204,186) CKSRYB103K50 D 403 (B,226,189) DIODE 1SS355(A) C 569 (B,246,216) CKSRYB473K50 L 401 (A,242,159) RADIAL INDUCTOR LFCA2R2J C 570 (B,233,208) CKSRYB473K50 VSX-518-K...
Page 92
R 505 (B,301,219) RS1/16S122J R 506 (B,294,213) RS1/16S162J R 449 (B,69,114) RS1/16S821J R 507 (B,275,213) RS1/16S272J R 450 (B,58,102) RS1/16S122J R 451 (B,69,93) RS1/16S162J R 452 (B,88,97) RS1/16S272J R 453 (B,144,142) RS1/16S472J POWER KEY ASSY MISCELLANEOUS R 454 (A,101,135) RD1/4PU681J VSX-518-K...
Page 93
D 810 (A,172,94) DIODE MTZJ6R2(B)(A) RESISTORS CN 800 (A,194,113) 11PJUMPER CONNECTOR 52147-1110 R 299 (B,47,52) RS1/16S0R0J R 301 (B,37,20) RS1/16S750J RESISTORS R 302 (B,31,60) RS1/16S750J R 801 (A,136,95) METAL OXIDE RESISTOR RS3LMF331J R 303 (B,31,33) RS1/16S750J R 304 (B,31,66) RS1/16S750J CAPACITORS VSX-518-K...
Page 94
(A,271,57) JOE LOWPOWER RELAY ASR7013 T 51 (A,288,56) STANDBY TRANSFORMER ATT7043 CN 51 (A,236,47) AC CODE SOCKET RKP1751 (A,317,9) 4P CABLE HOLDER 51048-0400 RESISTORS R 51 (A,318,37) RESISTOR(2.2M, 1/2W) RCN1080 R 52 (A,275,11) RD1/2PM270J R 53 (A,307,12) RD1/4PU332J R 54 (A,319,16) RD1/4PU103J VSX-518-K...