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1. 21 sS los ajo q 5 S D U O1 Co VSX C300 IC1701 PD5681A DSP ASSY DSP Microcomputer Pin Assignment Top view Q a O LLI Q O O FP q F tt tte TL E gd gd NS tt III DIR SDTO 18 10 28 90d 28 90 voa 58 eod AS LMSHOZ 98 20 SIVO 28 Lod 9199 88 0 1AONV 68 2014 599 06 901d 16 1O8V 26 vord 09 Luly 56 cord 1590 499 se 195 96 SSAV 0059 1HQV 6 ASn8 L AG 86 J3HA 1108 1 66 1 00 OXTL N o oososgNzg9gt259noozo9sgsssg eoepbmsesrce xa o C x gt X gt n C A A n Q 9 9 S A 8 O x O OR x lt Q Q G gt amp Q gt n lt lt 2239595586 6 gt 59 VSX C300 e Pin Function No PinName VO Funetin DSP 1 M_DO Z ll EIE 2 D Q M CK BYTE 0 11 M CS2 12 RESET 13 scillator O1 lt lt om o input for main microcomputer communication NEN ms HE H2. Ex 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and 10 DOO O 56 X O e SOT ses RDI A4PU 151161117 I ML UL m RDIAPU 1411711317 Us RN2H 5 0 SR RSIP 1 R 0 K Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 62k 562 x 10 5621 ee RNIAPC 5 6 2 Mark Description Part No Mark No Description Part No LIST OF PCB ASSEMBLIES FM AM TUNER MODULE AXQ7231 C228 50 C237 CEAT470M10 NSP COMPLEX 1 ASSY AWM7579 C211 CEJA1ROM50 SW ASSY AWX7904 C210 CEJA470M16 TRANS 2 ASSY AWX7907 C204 C238 C602 CKSRYB102K50 OPT IN ASSY AWX7908 POWER ASSY AWX7910 C101 C102 C208 C220 CKSRYB103K50 2P JACK ASSY AWX7926 C239 C242 C601 CKSRYB103K50 VIDEO ASSY AWX7928 C225 C216 C217 CKSRYB153K50 C201 C205 C214 C230 C236 CKSRYB223K50 NSP COMPLEX 2 ASSY AWM7580 C209 CKSRYB223K50 NSP LED ASSY AWX7913 ENCODER ASSY AWX7914 C221 CKSRYB224K10 FRONT INPUT ASSY AWX7916 C603 CKSRYB223K50 DSP ASSY AWX7937 C215 CKSRYB681K50 FRONT ASSY AWX7933 C202 C222 CKSRYB473K16 RESISTORS R211 RD1 4PU221J FM AM TUNER MODULE iat H233 RD1 4PU391J IC201 BA1451F R103 RS1 10S331J IC202 LC72131MD Q201 Q204 Q205 25C2412K R104 RS1 10S391J 0202 DTA124ES OtherResistors 1 16 9924 0203 DTC124EK D201 155133 OTHERS D202 MTZJ5 1C CN201 13P SOCKET 52044 1345 BN201 4P ANTENNA TERM 7003
3. TO TO Q ro FIM lt O O LIAWM 584 ea C O P mina aSo oO 00000000 m 21 NNE LIQWM75zQ9 916 X W242 5 Q uel Q AMUTE GEN V N W198 O O N V 5 9 F 00 00 10 0100 0 0 OOO OO s 12 15 i 5 12 5 19 ES oll 0 s 26500 o gt So 184 10541 NOP DONE 81 681A z 5 6 a T Aff tn wigi GND 0 RO l gt zz 2 zt PIF R 20531 P 100167 2 z f 4153 m q gt l rcm P 61 506 F L V C354 H AR B C353 W166 N 7D O0 r Qq 7 GND W157 gt 1 is e 88 ss 5 zz Tu H t gt o ar AES gene H P goto W125 OL DCT amp 555 L e L OUT As R4S107 124 EN CAS DE W154 C OUT 9 csoe 2 Ail REMPLACEMENT En gt SINE C DES FUSIBLES IC oREPLRCE WITH SOME 218 N UTILISER TYPE NO 491001 Slo 4 GUL RELEERENEE o FAORSEES RMF DEBY oomo 491001 DE CHEZ se TTTELFUSE INC LO lt cs m amp 2 45 MIN gt J457 i cada GRN m GND Sm VET STAM 5 NE PROBUCTION CODE 5 R SPRCE N W1 L GNDU 4 J 60 1 T 0295 1 2
4. C1425 C1426 C1527 C1528 CCSRCH221 J50 1533 1534 1541 840 CCSRCH221J50 C1130 C1436 1706 C1716 CCSRCH271J50 eae 1102 1104 1108 1111 1113 CCSRCH471J50 k 1119 1120 1122 1125 1133 CCSRCH471J50 RESISTORS C1202 C1204 C1207 C1208 C1210 CCSRCH471450 R1604 R1606 RS1 16S1201F C1212 C1218 C1220 C1405 CCSRCH471J50 R1514 R1554 RS1LMF101J C1423 C1424 C1704 C755 C757 CCSRCH471J50 OtherResistors 1 16 993 C810 C819 C828 C834 C848 CCSRCH471J50 C854 C856 CCSRCH471J50 OTHERS C737 C738 CCSRCH560J50 CN1601 FJ CONNECTOR 14 14R FJ C1307 C1308 CCSRCH820J50 CN1501 1 25 FJ CONNECTOR 19 19R 1 25FJ C1317 C1318 C1329 C1332 CCSRCH821J50 CN804 7P CONNECTOR 52045 0745 C1409 C1410 CCSRCH821J50 CN1701 10P FFC CONNECTOR 52045 1045 CN803 1 CONNECTOR 52045 1345 C1326 CEANP100M16 47 VSX C300 Mark No Description CN1702 23P FFC CONNECTOR JA702 3P PIN JACK JA701 PIN JACK CN701 7P PLUG X801 CRYSTAL RESO 24MHz X1701 CERAMIC RESO 17MHz CN801 5P PLUG CN802 8P PLUG 0 PCB BINDER KN801 EARTH METAL FITTING X1101 CRYSTAL RESO 27MHz J801 JUMPER WIRE 2P JACK ASSY CAPACITORS C2201 C2202 C2203 C2204 RESISTORS OtherResistors OTHERS 2201 2P PIN JACK CN2201 7P SOCKET B opt in assy CAPACITORS C901 C902 RESISTORS OtherResistors OTHERS JA901 JA902 OPTICAL RECEIVE MOD CN901 5P SOCKET 3
5. Se SS Se amp xt xt et 621 67 lt x x x S L1102 QTL1013 5V gt 3V IC1105 n 1 RESISTORS Unit k kQ MMO or Q unless otherwise noted Rated power 1 16W unless otherwise noted Tolerance J 5 unless otherwise noted 2 CAPACITORS Unit p pF or gF unless otherwise noted Ratings Capacity uF Vol tage V unless otherwise noted Rated Voltage 50V expect for electrolytic capacitors AT CEAT or JQ CEJQ 8 VSX C300 D gt AUDIO SIGNAL ROUTE 1205 QTL1013 N S VCS1 R1212 Sa R1213 R1119 AUDATAQ NS R1214 X3 ss O OE A12 0 0 N A Q 2 9333303 Z lt gt O P gt gt gt o NEUEM R1122 4 7k E2 di A R1128 4 7k C1201 15 T T O m DVSS AK7706VT i dx S e S H t 5 5811245 DSP for Delay SEI QI Sssk LIS 5 22 IC1107 IC1107 373 2 3 TC7WUO4FU TC7WUO4FU SDOUT 2 SDOUT 5 SDOUTA SDIN2 SDINS LRCLK BITCLK YB Q 2 2 LRCK SDI BICK SDO1 C1130 270P CH C1131 0 01 IT TC7WU04FU 2 1 5 IC1107 5002 w SDOS GNDD SF96 SDRO V t ASI ASO ARDY ADRY V DET i ADRT AIRT TC74VHCT244AF 3V 4 5V Converter CSCK e CSCS CSDO 55 C
6. assy SEMICONDUCTORS 03201 03201 03204 CAPACITORS C3203 C3206 C3215 C3217 C3202 C3204 C3205 C3209 C3211 RESISTORS OtherResistors OTHERS JA3201 6 PIN JACK CN3201 8P SOCKET POWER ASSY SEMICONDUCTORS IC302 A IC453 IC454 48 Part No 52045 2345 AKB7137 7138 7056 557025 557032 KM200TA5 KM200TA8 VEF1040 VNF1084 VSS1086 DB010NBO CCSRCH101J50 CCSRCH220J50 RS1 16SOODJ AKB7143 AKP7067 CKSRYB104K25 RS1 16SOODJ GP1FA502RZ KP200TA5L NJM2296M 1SS355 CCSRCH221J50 CCSRCH470J50 CEAT470M25 RS1 16SOODJ AKB7140 KP200TA8L AEK7009 NJM7805FA Mark No P PP P P Description 1C451 IC201 IC452 IC301 IC341 Q386 Q452 Q384 Q385 Q305 Q306 Q345 Q346 Q383 Q403 Q404 Q301 Q302 Q341 Q342 Q381 Q407 Q408 Q451 Q390 Q402 Q405 Q406 Q409 Q410 Q201 Q387 Q389 Q401 D201 D203 D301 D306 D341 D346 D381 D386 D401 D403 D408 D452 D451 D457 D458 D205 D455 D459 D204 D410 D409 D453 D454 D456 COILS AND FILTERS L101 L301 L302 L341 L342 L381 F401 SWITCHESANDRELAYS RY301 RY341 RY381 RY401 A RY101 CAPACITORS A C101 C102 C451 C452 4700uF 35v C401 C403 C305 C306 C345 C346 C383 C410 C407 C303 C304 C343 C344 C382 C309 C312 C349 C352 C385 C386 C313 C314 C353 C354 C202 C459 C408 C463 C464 C471 C454 C321 C322 C361 C362 C389 C465 C45
7. RMS Power Output SURROUND MODE 40 W ch 1 kHz THD 10 96 6 CENTER sansi 40 W 1 kHz THD 10 6 2 SURROUND 40 W ch 1 kHz THD 10 6 2 Input Sensitivity Impedance DVD TV SAT VCR FRONT 200 mV 47 Frequency Response DVD TV SAT VCR FRONT O Q 5 Hzto 100 000 Hz 3 dB Output Level Impedance VOR OWT ns 200 mV 2 2 Signal to N oise Ratio short circuited A network DVD TV SAT VCR FRONT 97 dB Signal to Noise Ratio EIA at 1 W 1 2 DVD TV SAT VCR FRONT 79 dB Measured pursuant to the Federal Trade Commissions Trade Regulation rule on Power Output Claims for Amplifiers Measured by Audio Spectrum Analyzer VIDEO Section Input Sensitivity Impedance DVD TV SAT VER 1 Vp p 75 2 Output Level Impedance a 1 75 Frequency Response DVD TV SAT VCR FRONT MONITOR 5 Hzto7 MHz 3 dB FM wire antenna ADH7004 AM loop antenna ATB7009 AC Power cord ADG7022 VSX C300 FM Tuner Section Frequency Range 87 5 MHzto 108 MHz Usable Sensitivity Mono 13 2 dBf IHF 1 3 uV 75 Q 50 dB Quieting Sensitivity Mono 20 2 dBf Stereo 38 6 dBf Signal to N oise Ratio Mono 73 dB at 85 dBf Stereo 70 dB
8. 7 m 8 VSX C300 E 702 J17 2 FFC 52045 2345 DD7293 GNDU GNDS V 5A VIDEO VIDEO2 VIDEOS VIDEO4 GNDU PRE GAIN E VOL ST SYS DT SYS CK CN4202 SW BOOST GNDU MSI MSO MCK MCS 2 MRDY DSP RST MCS1 GNDU SYD1 VDO4 VDO3 15 VDO1 SYC1 I VSX C300 3 9 VIDEO ASSY assy Awx7 2 Ep VIDEO SIGNAL ROUTE JA3201 1 6 VCR OUT O 5 JA3201 2 6 VCR IN R3210 AT VCR JA3201 GNDV 47 25 5 6 MONITOR aC CN3201 KP2 TA8L 1 VIDEO4 O JA3201 S 2 VIDEOS yd M TT 022 SiS 47 25 4 VIDEO E JA3201 GNDV 5 6 C3205 V 6 TVZSAT SAT 47 25 F VIDEO LO JA3201 6 6 R3206 MONITOR OUT1 AAA VIN 1 VCR S VIN 2 1 RESISTORS NJM2296M control port status VIN 3 FRONT Unit k kQ MMO or Q unless otherwise noted VIN 4 DVD LD E E o 1 00 0 1 vint mute Vim VIN 5 TV SAT r Q ds _1 1 2 1 ving ving ving veris N C 7 2 CAPACI TORS Unit or gF unless otherwise noted Ratings Capacity uF Woltage V unless otherwise noted Rated Voltage 50V expect for electrolytic capacitors AT CEAT or AL CEAL 5 DIODES Indicated in 18S355 TRB 1 1 1 1 Vind ving Vind SW1 VIDEO4 0 8 mute mute mute A VIDEO1 VIDEO SW4 VIDEOS SW5 VIDEO2 or VIDEOS 24 1 5 CN802 4 V
9. CN303 C4 H N r T 04209 N DIGITAL IN 04206 D4207 ene 04208 Rs Mc TL o z 3 I 3 g 3 Si Duc MULTICH IN n I m DTS MPEG Qu m ZXXIRIUR PROLOGICY 1942078 DOLBY DICTTALO4 10 04212 E jg ei E 4219 ui 4201 D lt 1 02 92204 RAST SF K O we aero S on L 7 7 F 77 R42 4 Q4205 Q4206 Q4211 Q4213 Q4208 Q4212 z LED ASSY 50 T VIDEO Assv 2 2 RV Th OPT IN ASSY 2 un CMKI P3X ese 10099 amp AWX79 8 Q O OO O Egg ANP7396 B BE EllENCODER 7 Ecnso1 ASSY UE t 4205 p 9 ANP7395 C i CMKM PSX ANP7396 B D G 9 CN1702 C4382 R4556 U 1t R AG 5556555 pu 4385 ZONTACTSIDE 4214 C4204 EZ s J8WX79 2 7955 DVD TV SHI V4301 Q4213 TRANS 1 ASSY 7 m 8 VSX C300 2 CN804 Ia 4205A O E R4554 ffin 4205 od C4684 oj O J 4681 1 C4685 7 T 0 o O o z 54205 O O amp ANP7396 B I TRANS2 ASSY J101 J451 J452 J453 J1 02 J3Y 8551 QWX 906 ANP7395 C ANP7395 C Transformer J454 e DI 11 VSX C300 e FRONT ASSY C4685
10. MD 50 C1512 FL 51 FR2 RL GND C Aas SL2 ac d SR2 C SR IN C2 E A SW 10 50 X6 SP Config EL Vol T N Q1508 2SC3377 QR JEE 04 155555 50 10 AT 215 00257 58 100 GAIN NORMAL 15 7dB 6 19dB SURROUND 15 7dB CENTER 6 B dB 222 E25 57dB C1518177 5191 L uc C1520 17 7 L ac 100p X3 1k UDZS5 1B S BASS N gt VY 31 36dB MS N N b gt gt gt 2 D 255 200k FL FL REN C1540 Fi vg 0 1 25 R1544 C1502 2 2 UPC4570G2 FL 5 R1521 91501 2SC3326 R1919 17 D C1528 7722p Q 2SC3326 IC1502 1 2 UPC45 7062 OFF 12 v ON 4 3v C1503 1 2 UPC4570G2 IC1503 2 2 UPC4570G2 101504 2 2 UPC4570G2 Q1506 2SC3326 C1504 8 VSX C300 VIDEO SIGNAL ROUTE AUDIO SIGNAL ROUTE L D AUDIO SIGNAL ROUTE Front L ch L D AUDIO SIGNAL ROUTE Rear L ch R1557 AUDIO SIGNAL ROUTE Sub Woofer D AUDIO SIGNAL ROUTE Center CN1501 GNDS SNDA 19R 1 25 V D V z Z SW GNDA L GNDA F R GNDS S L GNDA 1 2 c CN301 GNDS GNDS F IN L GNDA E F IN R GNDV VIDEO GNDV GNDS GNDA GNDV FVDO gt FLIN 15 FRI
11. MMO or Q unless otherwise noted gt Rated power 1 16W unless otherwise noted GNDD Tolerance J 5 unless otherwise noted V 5D 2 CAPACITORS C816 3 X801 100p JPP ASS7025 Unit or uF unless otherwise noted CN901 OPT2 Ratings Capacity uF Vol tage unless otherwise noted TV SAT Rated Voltage 50V expect for electrolytic capacitors or JQ CEJQ COAX D GNDOPT 3 DIODES L Indicated in 1SS355 TRB C805j YB E 8 VSX C300 AUDIO SIGNAL ROUTE gt O Z 3 gy AUDIO SIGNAL ROUTE Tuner 145 5558 J644 D 1 2 E 2 x 2 5 I 5 2 FFC ADD7242 E AUDIO SIGNAL ROUTE Digital _ ONUS z AUDIO SIGNAL ROUTE Front L ch 201540 O 9 0 E sss Q 8 45 D gt AUDIO SIGNAL ROUTE Rear L ch BRE R755 Q D 1015 sw O s AUDIO SIGNAL ROUTE Sub Woofer C 100710 J gt AUDIO SIGNAL ROUTE Center GND GNDT C731 R733 Ed AAA C703 1 2 NJM2100M 2SC3326 NJM2100M IC704 2 2 NJM2100M IC704 1 2 4 2SC3326 AB t cN4203 5077 Attenuator detect from u p B This circuit acts as a buffer 0 01 to reinstate a logic state H L C848 470p Use GND
12. N 6 O O O N Z 2 2 CABLE J4205 D20PYYO310E VENC A 4205 51048 0500 lene al 12 9 5 D 3 TUNED 1 V FMCOMP GNDT 9 2 5 5 5 O 14 CN804 J8035 CN4203 54045 0745 ADD7292 CN301 CN1501 B 1 5 B 5 5 VKN1775 19R 1 25FJ DSP ASSY AWX7937 E 54045 0745 11 Omm ID OPT IN ASS STEREO M SUPPORT ULE ASSY TMUTE lt AWX7908 LO lt TQ SR e lt al al z lt wl N Z gt OF a o o BEI Z5 Os N gt 2P JACK ASSY 7926 PLLDO PLLCE FMCOMP GNDT ENCODER ASSY AWX7914 CABLE HOLDER 4401 51048 0300 11 I VSX C300 3 3 TUNER MODULE FM AM TUNER UNIT MODULE AXQ7231 FM FRONT END AXF 7003 Go QN Uv oS 199 S0 0 BN201 7 e iE 9 9205 ar LE DTC1 24EK TLB 12 8 VSX C300 1s RESISTORS Indicated in 2 1 Z15W 5ZX Tolerance unless otherwise noted K KQ M MQ UNE gt CAPACITORS AUDIO SIGNAL ROUTE TUNER Indicated in Capacity uF VOLTAGE V unless AM SIGNAL ROUTE otherwise noted P PF D FM SIGNAL ROUTE o DIODES mark diode is 155155 he power suppl
13. 1 2 GN S 5 W101 h TOSNO N amp T101 iis 3 a 4 4 qQ a a 5 5 OO 4196 WHT S zH Vs ens EE t js J108 VLT i o os U LL 104 RISK OF FIRE REPLACE FUSE AS MBRKED J 1 2 Gog ty 1C201 W11 CNDU Q 2 9 W111 V 5 6 i RA PRIMARY uo d ON Ld 4 J451 CN1601 CMKT PS RY401 NES O O O O O O O O O O O O O ol MES m o 7 L X 5504 aru Yu SONA lt Aan lt NOV SNES ulo O O O dU DOO Dac lt DeUgumrnrnz W154 GNDTUN Wees lt lt 975 5 Dl lz az 2 z O ajo PN O ee gje R cu Ojo N o c 2 Pb 2175 slo gio ole lt ro D0 o1m o o OE m J To R Qm W284 Wess 8 285 V 8 s 8575 W3 W256 0000000 _ esse gt VESA IC453 3 W185 O x AB lt p vor du y qi oT Shots S 6 j R Sf ZN ay a o gt z CA EAE 5d zz E 7 amp E W175 V 5 2 2 77 Tj W174 77 e W169DC DCT Na eu e vt PU 200 sn we
14. 1 R4685 275 C4504 5 gt T alle GND Ace GNDU 84684 pi I E f quam AN VIRTUA SOS IO y gel fi E 642154 5 o VENC B 7j EE OU LE RS piu RN SLA A II RAN e 2 2 CA VENC SL Kr 4 p FPI RAD Q moa Q 04685 a al a oh 1 Chery whe l C4690 m R eif 4258 ER MPEC 64689 N D OS R VIRTUA TT 04681 D K O 6 RV 64224 1 R4687 16 K R4221 TR AOA AC1 TSA b 22 57 62682 Q pue 24681 SO x J QUE 0 1 4 R R 0 m lt i S25 T NERZVEDEO 2 X R4269 SS C4210 gt J K NES VCR 7 B Q FRONT D Tv sgT 2 lt D D E OO EET N O R4268 C4226 IC4681 Q4683 Q4682 IC4201 Q4681 LED assy vipeo assy DioPrT IN ASSY IC9g2 OPTe 696 v sD GNDD 521 C910 Ar T op 826ZXMU Ce6ZXMU C 16 10 R3214 XE 1C3201 f 1 cseia4 FP osage mni EllENconbER a Rogie 05204 55 RSET 05205 ANP7395 C CS2 w BIST ES ANP7395 C D ANP7396 B 44 1 E 3 4 VSX C300 T 64223 W asam z n 50 UW m O O 04207 S 5 5 CN 41 Qu C T LLI r eV 4k Cc s 9 R4242 A N m CU U Z lt J o SS 8 O C
15. 3 VCR REc O 0 CN2201 6 NNN IN 5 56dB 10 2dB IC1202 IC1106 TC74VHCT244AFT CS493292 3 5V DSP for DECODE CONVERTER IC1201 AK7706VT DSP for DELAY FRONT INPUT ASSY 2 3 AK4112AVF FRONT DIR amp A D SELECTOR MD CN1601 FRONT IC1203 8 IC1101 TC551001CFT 70 TC74VHC574F RAM for DELAY O IC1102 N1501 18 IC1104 TC74VHC574F J POWER PDN031D ROM for DECODE 8 16 bit CN802 CONVERTER CN3201 8 NJM2296M 3 VIDEO FUNCTION VIDEO ASSY SELECTOR VCR MON I TOR MONITOR 2 G PRE GAIN DSP NORMAL FRONT 15 7dB 6 19dB SURROUND 15 748 CENTER 6 81 25 5788 IC1306 IC1402 1C1405 NJM4558MD 17 IC1502 IC1504 IC1401 UPC4570G2 TC9164AF MIX LPF PRE ANP SP Config 9 51 O O O B dB 5 dB Sed 6 X d dB SW 2 1 6 6 38dB 33 IC1501 M62446FP ELECTRIC VOLUME POWER ASSY 3 8 B POWERPACK V 12 ANALOG BLOCK RYLLEY 12 GDA2 FAN FAN V 6V VIDEO V 6V IC454 CODEC V 5A j SNDV V 5D GDA IC1601 DIGITAL BLOCK 50 aM DSP IC1602 V 2D GNDD 7 IC1502 6 19dB 15 7dB 12455 GNDD 51 S506 25 57dB 51 56dB FRONT INPUT ASSY 3 3 CN 5O04 5 ma s gt
16. 35 6 56 be 961146 C565 W142 W145 B 5 _____ Wiss d 5g BRN EHH JP451 v S a e 5 vr indie 5 45 GND 491001 o O mmu 1262 a W259 TC32 MFD BY cu a ESSE TTELFUSE INC m FEV o BATES v MAIN ades eG END acaos jase END GRN BLK WIS8HP R TE v z 495 A Oo w119 lt A MAIN GND G W118 V 125 gP AN 59SEEE oo RODUCTION CODE ANP7395 C J451A JA52A WM 454A d CN4101 t CN4201 10454 IC453 Q451 Q452 IC451 IC452 CN201 8 VSX C300 1 VSX C300 POWER ASSY Q401 Q386 9404 0403 Q408 Q405 Q406 Q407 Q409 Q410 Q381 550 0342 Q341 Q302 Q385 Q384 Q402 Q383 Q306 Q305 Q389 Q390 Q387 Q388 4 sw assy ANP7395 C 8 VSX C300 7 AWM7581 gt 7585 COMED 555 7 Z Z alalalala L 1 2WMZ S79 los 0410 9585 9584 mp wa iii i ACW RS O IV or 05 RR z M BUD ar FANMAX WIAA D n 5 5 589 b DCDC D n D O MR IN GND lt lt 0201 AT SECONDARY JL PRIMARY ANP7396 B VSX C300 4 5 FRONT VIDEO OPT IN TRANS1 and TRANS2 ASSYS e FRONT ASSY 7 4204
17. 5 2 00 Segment Designation t CN zu Condon K M von ce C Dp2 Hz a fo Ds 36 26 62 VSX C300 Pin Connection Pin no i NOTE 1 F1 F2 Filament No pin S NA essences No extend pin Zo TL esee Datum Line 5 16 106 Grid Anode Connection s Toe Toe MENFE ME h n k k k k RENE r TN is ois os 6 1 6 CHINE GRAN ON BEN MRE iz EE ra E ECE EXEAT T Er UR EMI GORRE 2 pez 2 652 bo 652 652 652 el Pel Pol Pl Del SE ME ME MRE SK raj s2 Ts T IL ss T 5 e Ter T 63 VSX C300 8 PANEL FACILITIES AND SPECIFICATIONS 8 1 PANEL FACILITIES Front Panel AUDIO VIDEO ULTI CHANNEL RECEIVER VSX C300 STEREO STANDBY ILOFF ON 5 5 SURR FRONT INPUT VIDEO L AUDIO DIGITAL IN MASTER VOLUME DVD TV SAT VCR TUNER FRONT O O OO O STEREO TUNED MONO D D
18. 6 IC1402 2 2 FL2 FL 5 NJM4558MD NJM4558MD FR2 SL2 RL lt SR2 45 c2 W MES NJM4558MD IC1404 bd 2 2 NJM4558MD o m He IC1404 1 2 C1405 2 2 NJM4558MD NJM4558MD 8 2k NS 01404 2563326 AB SW R1457 1461 V 12 ak VM 91408 AUT 42 DTA124EK PES J 2 R1455 15K g E 1453 1Y8 4700p LO N 4 IC1406 2 2 gt TL 293326 AB NJM4558MD LPF GNDA ELI 6 5848 SW V 12 1 RESISTORS Unit k kQ MMO or unless otherwise noted o Rated power 1 16W unless otherwise noted Tolerance J 5 unless otherwise noted 2 CAPACITORS Unit p pF or uF unless otherwise noted Ratings Capacity uF Vol tage unless otherwise noted Rated Voltage 50V expect for electrolytic capacitors AT CEAT or JQ CEJQ 3 5 19 8 1 2 EX 3 EZ 4 3 7 DSP ASSY 4 5 T lt _ W Si 1W F 01507 2541515 lt V 12 A C1501 cS C1504 YB I Ais 0 M62446FP EB 61907 i 4C1508 0 1 25 d Ev BASSI d Evi 0 1 25 V 15497 Vga BASS2 Fas C1550 0 015 19 B 553 vp 9 015 1506 LTRE RTRE 15 9 8200 8200p N 17 C1510 4 25 2 AT 16 lt V 10 50 X2 B am GNDA 8 FL 29 3 5 50 FL 2
19. 7 1 5 Timing Chart Timing Chart of Power ON Initial 0 200 400 600 1000 1800 2800 3600 4800 5200 msec AC relay H ON UCOM port A MUTE m PRG UCOM port or FL LED control Function SW TC9164 Speaker detection Last data Video Mute NJM2279 Tuner built in model LC72131 M62446FP DSP UCOM PD5681A SP relay OFF ON Overload DC abnormality detection Control start FAN control Timing Chart of Power OFF Initial 0 200 400 msec AC relay ER UCOM port A MUTE port Pe Function SW Full open open TC9164 Video Mute NJM2279 Tuner mute E VOL M62446FP DSP UCOM Reset PD56814 EN Helay OFF UCOM port 99 VSX C300 7 2 PARTS 7 2 1 IC The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams of IC PDG264A PD5681A PDG264A FRONT ASSY 1C4201 Mode Control IC Pin Assignment Top view G12 A12 90 2 G15 A15 86 55 G10 A10 G11 A11 G2 1 G1 A1 51 G1 2 12 NC A23 Sis ACIN 4 PEO ECO INTO PH7 A24 S14 RDSDT 5 PE1 EC1 INT1 PH6 A25 515 RDS CK 6 PE2 INT2 PH5 A26 516 SW DCT PH4 A27 17 8 PE4 RMC PH3 A28 618 STEREO 9 PH2 A29 19 TMUTE PH1 A30 S20 PLLCE PHO A31 21 SP CONT PG7
20. ADJUSTMENT There is no information to be shown in this chapter 7 GENERAL INFORMATION 7 1 DIAGNOSIS 7 1 1 Test Mode How to Enter the Test Mode With the attatched Remote Control Unit 1 For Preset mode set the remote control 1 Enter REMOTE SETUP 1 keys Simul taneous aggressiveness 2 Enter 1 5 0 keys Call a PRESET ID code 150 3 Enter Front key Assign a function key 4 Enter REMOTE SETUP key Confirm PRESET mode 2 Test mode ON 10 key TEST is displayed for 5 seconds when Test mode is entered Function TV SAT Speaker setting high volume SW ON No automatic speaker detection STANDARD mode Presetting of the tuner for Test mode will be carried out Other settings will be returned to the factory preset values 3 FL amp LED light emission check 1 key Each time the remote control code is received the displays of the FL and LED change cyclically as follows Normal display lights for the FL and LED lights for the FL and LED off 4 FL ABCDEFGH displayed and LED Every other letter of the alphabets is displayed 4 FL IJKLMNOP displayed and LED Every other letter of the alphabets is displayed highlighted Normal display 4 Rear and center relay switch 2 key Each time the remote control code 15 received the rear and center relay is toggled on or off 5 DOLBY Pro Logic mode 3 key Distance setting for the fro
21. AWX7926 POWER ASSY AWX7910 VIDEO ASSY AWX7928 OPT IN ASSY AWX7908 TRANS 2 Assy AWX7907 FM AM TUNER MODULE AXQ7231 TRANS 1 Assy AWX7906 Power Transformer AC120V 57317 Fuse FU1 2 5A 1112 J804 13P 180 BD 60V ADD7242 DSP CN803 TUNER CN201 FFC J1702 23P 180 BD 60V ADD7293 DSP CN1702 lt gt FRONT CN4202 FFC J4201 23P 200 BD 60V ADD7293 POWER CN303 lt gt FRONT CN4201 J4101 11P 100 BD 60V ADD7336 POWER CN304 lt gt FRONT INPUT CN4101 Thermistor AEX7004 POWER CN306 lt gt TH9014 Trans Shield Barrier AEC7380 REG Cover 7384 Tuner Barrier AEC7383 Leg Assy HEC 434 Insulator 50 AMR7363 4803 7P 150 BD 60V ADD7292 DSP CN804 lt gt FRONT CN203 Under Base ANA7129 Rear Panel ANC8017 Bonnet Case S Box AZN7886 PCB Support AEC7365 DC Fan Motor AXM7017 Heat Sink HL ANH7144 Damper BK AEB7231 Trans Stabilizer ANG7362 Mark Description Rubber Cushion Insulator 50 Assy Screw With Washer PCB Mold Screw Screw Screw Screw Front Panel Assy Dolby DTS Label Speaker Label E Binder Screw 3x11 5 Screw Cord Clamper Cushion H1 1 Damper Cushion Cushion Circle 165 Fuse Card 65 Label Caution Label Rubber Cushion Support PCB VSX C300 Part No AEB7235 AMR7379 ABA7080 AMR2534 BBZ30PO080FZK BBZ30P140FMC BBZ40PO080FNI BBZ40PO060FCC AMB7778 ARWT136 7870 ZCA BK1 7071 BBZS3OPO80FNI RNH 18
22. FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY The power supply is shown with the marked box 2 2 4 i VSX C300 4 PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS 1 Part numbers in PCB diagrams match those in the schematic 3 The parts mounted on this PCB include all necessary parts for diagrams several destinations 2 A comparison between the main parts of PCB and schematic For further information for respective destinations be sure to diagrams is shown below check with the schematic diagram Symbol In PCB Symbol In Schemati 4 View point of PCB diagrams one Connector Capacitor id id Transistor BCE B 3 lay E Transistor with M D B D 5 Field effect transistor Chip Part A 3 terminal 4 1 FRONT INPUT ASSY FRONT INPUT ASSY o LSIG RSIC SQTv2 98172 L TbI O CA 2 ug i e 30 9000 611792 XOXOXO AU D RSW RSUB F ME cM IF C4110 C4199 4 VSX C300 4 2 TUNER MODULE EN TUNER MODULE ad J 166 Sino LJ O ZA U 8 1 n Y J n N 3 F ZAM JE m A gt N o cl P s 9 Non i VSX C300 4 3 DSP and 2P JACK ASSYS EJ DSP ASSY moe x gt lt Aa RS L J8 1A n C855L803 N
23. L P D AUDIO SIGNAL ROUTE Digital R1719 R1720 R1721 R1722 R1723 R1724 R1725 OPT IN ASSY AWX7908 JA901 n FA502RZ V 5D k 1k 1k 1k 1k 1k Te UU NOTI ATI To S YB 902 GP1FA502RZ GNDD 57 1714 OPTIN 2 DVD D alal Ob ae 700016 TV SAT GNDD 1 5 gt gt 59 1000 100 V 5D GNDD sgt 2 801 mt COAX S CN901 KP200TA5L _______ GNDD i H GNDD Ens 52045 1045 o 5 29 55991 o o in F gt F E o mn o ob o x b FE k gt gt R x u Z m 0002959 G O OO O O lt lt lt lt lt lt lt lt lt gt 1k ASO AN CODEC DIR DSPuCOM R1739 R1740 C1 11 PD5681A M5062 2MA FS96 CDC PD DIRSDTO DIRPD VEF1040 1k 1K CSDO R1728 CSRT R1730 ABOT R1732 CSDSP DSPuCOM SYSCOM DSPuCOM lt __ 1 RESISTORS F x ir Unit 0 therwi ted Rated power ER o e od 7 f Tolerance JJE5 unless otherwise noted l J Unit uF unless otherwise noted 145 Ratings Capacity uF Voltage V unless otherwise noted Rated Voltage 50V expect for electrolytic capacitors __ AT CEAT or JQ CEJQ E he power supply is shown with the marked box 5 6
24. SHIELD CASE T ANK7072 COILS AND FILTERS SHIELD CASE B ANK7073 L201 FM DETECTOR COIL ATE7003 X201 CRYSTAR RES 7 2MHz ASS1093 202 CERAMIC FILTER ATF 107 F201 CERAMIC FILTER ATF 119 FM FRONT END AXF7003 203 AM CERAMIC FILTER ATF7026 AM RF TUNING BLOCK AXX7071 CAPACITORS C212 C213 C226 C233 C235 CCSRCH101J50 C240 CCSRCH101J50 C206 CCSRCH100D50 C231 C232 CCSRCH150J50 C223 CEAT100M50 C229 CEAT101M10 C224 CEAT1ROM50 C227 CEAT220M25 C241 CEAT2R2M50 C243 CEAT330M16 46 VSX C300 Mark No Description Part No Mark No Description Part No C1109 C1216 C1401 C1403 CEAT100M50 DSP ASSY C1512 C1517 C1551 C1552 CEAT100M50 C713 C714 CEAT100M50 SEMICONDUCTORS C1106 C1115 C1203 C1222 C1336 CEAT101M16 IC801 AK4112AVF C1501 C1521 C1601 C1604 CEAT101M16 IC802 AK4527BVQ IC1201 AK7706VT C1607 C1610 C1705 C758 C811 CEAT101M16 IC1203 BS62L V1024TC 70 C832 CEAT101M16 IC1106 493292 808 CEAT221M6R3 C1502 C1522 CEAT331M10 IC1501 M62446FP C729 C730 C804 CEAT470M25 IC703 IC704 NJM2100M IC1301 1C1303 IC1402 1C1406 NJM4558MD C826 CEAT471M16 IC1701 PD5681A C1124 C829 2 2 50 IC1104 PDNO31D C1301 C1302 C1311 C1314 CEJQ330M10 C1323 C1325 C1335 CEJQ330M10 IC1601 PQ20WZ51 C1510 C1511 CEJQ3R3M50 A IC1602 PQ7VZ5 IC1105 TC74LVX244F C1417 C1418 C1429 C1430 CEJQ4R7M50 IC1101 IC1102 TC74VHC574F C1439 C1440 C1539 C1546 CEJQ4R7M50 IC1202 TC74VHCT244AF 1605 1606 723 724 CEJQ4R7M50 C731 C732 C735 C736
25. STK402 040 5 F CN GNDV Front Power Amp x Gus Loss C571 R301 C301 R305 N Det R Q305 mb 0501 4 gk 330 Over Load Det Q306 128C2712 GRBL 330 C307 R309 470p 33 251 4 5 CN1501 R328 R326 0502 1 8k FL Naao7 2SC3326 AB SWED 501 D304 155355 AKB7080 IC341 STK402 240 sid 15 35 GS3 L CN303 52045 2345 FAN DCT RL Over Load Det 155355 0545 345 N39912SC2712 GRBL 155355 R367 FAN START X TERMO DCT ES AC RY ER IIg Ox WUP gt Over SR OUT 5 Ol lt Load _ SR EN S PS Det CR R 1 LOT REGAT BWS 155965 lt SW DCT E 7 2502712 Z AMUTE tj E GRBL O FAN On SP CONT 5 CT DCT un x DC DCT E So OL DCT E HP DCT HP RY O 9 V 5R6 no aM V FL 32V x FL AC2 SEE Center SP IC451 IN 2SC3326 AB V 12 Q ERE FES gm seis 1 50 ON oe x ho T UE ee Fo fq 7 lt BS O 0 gt ro E T CN305 E NN NDU u DTA124EK O FAN DE N P gt FAN Drive FAN EE s lt FAN STOP G U 5 Q40 Fervo per
26. VERSION N vest B ian MS SWITCH so I anDU R4257 ley KevstT E WU NEN AlpsP RST VRE 5 gt esr SjcsPDpcT gt X lt C CN4203 BB 52045 0745 UNED D 8427215 Aa TUNE j T 99 2 1k SIRO TMUTE V O TS R4275 voa 1k PLLD Puce R4276 1k PLLC 6 es U Ass o 3 r r GTUM D vest 14201 N 2 2u DAP202K ot 3 gt 5 ite SN E I I isl NS o ale lt S DAN21 7 SS anu Q420 S 4C DS 10K 8 VSX C300 he power supply is shown with the marked box 1 RESISTORS Unit MMO unless otherwise noted Rated power 1 16W unless otherwise noted Tolerance J 5 unless otherwise noted 2 CAPACITORS Unit p pF or gF unless otherwise noted 1000p Ratings Capacity LF Woltage V unless otherwise noted Rated Voltage 50 expect for electrolytic capacitors von AL CEAL or JQ CEJQ FRONT 3 DIODES d Indi d in 1SS355 TRB e NM SNM 8 VSG1 9 MMS lt 24 45 R4267 C4226 FRONT ASSY HH 94201 DVD 4203 VCR J S4203 VCR 9 S 5 4 l 80 54204 s I lt x S4202 5
27. at 85 dBf DEROO aoi Stereo 0 5 1 kHz Alternate Channel Selectivity 60 dB 400 kHz Stereo Separation 40 dB 1 kHz Frequency Response 30 Hz to 15 kHz 198 Antenna Input DIN 75 Q unbalanced AM Tuner Section Frequency Range 530 kHz to 1 700 kHz 10 kHz Sensitivity IHF Loop antenna 350 uV m sai M T ea 25 dB Signal to N oise Ratio 50 dB en Loop antenna Miscellaneous Power Requirements AC 120 V 60 Hz Power Consumption 130 W 1 W Dimensions 420 W x 65 H x 322 D mm 16 9 16 W 2 9 16 x 12 11 16 D Weight without package 5 2 kg 11 Ib 8 oz Furnished Parts AM loop antenna TTE 1 FM wire 1 Dry cell batteries AA size IEC ROP 2 Remote control UNIE dandi 1 POW 1 Speaker cord labels sss 1 Operating instructions assesses 1 NOTE Specifications and the design are subject to possible modifications without notice due to improvements MUSICAL DRAMA ACTION AA size IEC R6P Dry cell batteries x2 Hemote control unit AXD7310 67
28. displayed for 5 seconds then the power is turned off IC4201 FAN Driver PEE SW DCT 12 V 5R6 olx 12V S ri i gt ood 0408 155355 D407 Q 11 6V CN305 GKD FAN FAN G STOP e el Py lo e 4 7K DTA124EK 12SC2712 GRBL V 5R6 R406 3 9k D403 NDU NR 155355 53 VSX C300 7 1 4 Specifications of Speaker Detection 1 Purposes Whether the speakers are connected or not is automatically detected and settings appropriate for the detected speakers are made to allow you to easily play surround sound without making cumbersome speaker settings 2 Method of detecting speakers Whether a center speaker and or subwoofer is connected or not is detected 600 ms after the power is turned on lt Detection of the center speaker gt The microcomputer sends a detection signal and after 10 ms will read the logic of the responding signal to judge whether the speaker is connected or not The response signal will be read at A D A voltage of 3 5 V or more is judged as no speaker connected The response signals at A D are read every 2 ms and if the same results less or more than 3 5 V are obtained the detection result is considered correct If a different result is obtained for the second detection a third detection is carried out and the two results that agree will outvote the other If detection fails three times then it is j
29. x C854C818 DAN d C815 gt Z 00 gt Z IC1197 T O 825 Q S84 Cat oo NB LL CN801 1104 N Q lt z 5 C740 pRB m AA Hz N Sf H D R744 N 2 4 9702 WC Red Orr O I ed es R730 O UV 752 2 R120 Q 9 5 NON 2 y y 3 201 Asas 7 E 46 Se A a 77 ze Y o C131 VU 1548 1205 m GNDA cu T Mas 1506 IC1 501 fu JE HE Th N 929718 Om C c C722 N O L1 el 5 3 M 81571 he e E c 1 1555613521 R15 ASSY X msza 595 255558 WERT e 8 RISS6 fD o o OQ O O C H c CN805 CONTRCT 510 V fs D 1 ON ro 2L c N zz h R N owt Ww ibi i la ki US GERAD T QU 6152181520 n Qu C152810 C1561R1549 oD Tho 6 E c ac M NING OX us ns IN OOOOHOH emo 156465 s L p t EXE Z 2 so CI516 9 O T Sl y CI5175 lt J CN301 QO O Q v n gt E 1550 V S cDap T 1542 ANP7395 C 2 IC704 Q702 Q701 703 9703 IC801 IC802 IC1107 IC702 IC1502 Q704 IC130
30. 2 Si Q Q N N H SW ASSY FRONT INPUT LED ASSY 1 AWX7904 T ASSY I AWX7913 cape d J4204 D20PYY031 5E FRONT ASSY GND 0 1 5 AWX7933 CABLE HOLDER CABLE HOLDER 4501 4204 51048 0300 51048 0300 10 8 VSX C300 Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST 3 VIDEO ASSY l AWX7928 THERMISTOR lt AEX7004 NA 9 9 0 5 O tT M N O O O O gt gt gt a ul wl o l of QO O Q Z gt 97 gt gt gt L N E SS 5 En 2 ON x oas Ia GNDV 4 ADD7242 CN803 J80 CN302 14PL FJ CN1701 52045 1045 1 Vss 2 T RXD 5 BUSY 5 6 T_SCLK 7 TXD 8 T POM OE ND 9 Vss CN201 GO 52045 1345 PLLDO PLLCE TR GNDT TE TMUTE STEREO SYSDT SYSCK AXQ7231 cs lt H lalot m lt LL 51M O D Joly oo l traaaa go ole mz s s 121 lalg9lz O gt a a a gt o 5 G 59 gt gt gt gt A lt 10 an wa Gw w N
31. 3 C201 C404 C461 C466 C315 C316 C355 C356 C391 C455 C456 Part No NJM7812FA NJM78M56FA NJM7912FA STK402 040 STK402 240 25 1037 2581375 25C2412K 2502712 2502712 250336 2503326 2502012 DTA124EK DTC124EK DTC143EK 155355 155355 155355 D3SBA20 B D5SBA20 B RB501V 40 S1VB20 F03 S5566G TPB2 UDZ20B UDZS5 1B UDZS5 6B UDZS6 8B ATF7018 ATH 133 DTF1070 ASR7001 ASR7013 ACG7033 7161 CCSRCH101J50 CCSRCH221J50 CCSRCH221J50 CCSRCH331J50 CCSRCH471J50 CCSRCH6ROD50 CCSRCH6ROD50 CEAT100M50 CEAT102M16 CEAT1ROM50 CEAT221M25 CEAT222M25 CEAT2R2M50 CEAT331M50 CEAT332M16 CEAT470M25 CEAT471M16 CEAT471M35 CEHAT101M35 CEHAT221M10 CEAT101M50 Mark Description JA4102 OPTICAL LINK JA4103 HP JACK KN4101 EARTH METAL FITTING e FRONT assy SEMICONDUCTORS 1C4201 04201 04207 04202 04205 04206 04208 04214 04213 04215 04203 04204 04201 04202 04206 04208 04210 04205 04212 04207 04211 COILS AND FILTERS L4201 SWITCHESANDRELAYS 54201 54205 CAPACITORS Mark Description Part No C307 C308 C347 C348 C384 CEHAT330M25 C301 C302 C341 C342 CKSQYF225Z16 C371 C375 C381 C481 C482 CKSQYF225Z16 C393 CKSRYB102K50 C203 C205 C402 CKSRYB103K50 C317 C320 C357 C360 CKSRYB104K25 C387 C388 C405 C406 C411 CKSRYB104K25 C460 C462 C472 CKSRYB104K25 C325 C326 C365 C366 C392 CKSRYB472K50 C467 C468 CKSRYB473K50 RESISTORS A R321 R822 R361
32. 3 IC1302 IC1301 01411 IC1504 0705 01507 01401 91501 IC1501 0141 01502 91506 91508 Q 5 H 6 71 7 EINN 21 1 27 HE N 4 A LA Dol L 9 IR P IGNDT E R O1212 O TUNED TWAS 929 7 C1602 p ANP7396 B IC1107 IC1106 IC1103 IC1104 IC1701 IC1602 301 01411 01408 1 1201 IC1203 01407 01405 01401 01402 1 1402 IC1404 Q1406 01412 01403 IC1406 IC1601 Q1404 8 VSX C300 t CN4203 t CN4202 CN302 9 1 VSX C300 DSP ASSY RT Bh a e b gg i Iii e IC1401 IC1405 8 VSX C300 AL el ASSY 57557 Ros __ 2756 so i LJ LJ EAA D4 04 ANP7395 C ANP7396 B 0801 0803 VSX C300 4 4 POWER and SW ASSYS POWER ASSY ECN1501_ FANMOTOR C408 OO TIG TIG000600062C26026 TIG TIG TIG 2 you Or Gor O20 OOHORHUOZUO DD p Dp 96 gt 5 NI JO O o o SW W2 9 e O O W2 8BGNDA IO AONI W298 0 0 B N9O0 O 9 3 S JN9 O O Q O 912M O O 0 0 812M D W197 O O THERMISTOR BONS O O 612M Q O
33. 4 AEB7239 AED7055 AED7054 AAX2344 ARW7050 ARW7143 AEB7235 ANZ7133 VSX C300 2 3 FRONT PANEL SECTION e FRONT PANEL SECTION PARTS LIST Mark NSP O Description Part No FRONT ASSY AWX7933 POWER SW ASSY AWX7904 ENCODER ASSY AWX7914 LED ASSY AWX7913 FRONT INPUT ASSY AWX7916 Front Panel Assy AMB7778 Function Button AAD7633 FFC J1702 23P ADD7293 Front CN4202 DSP CN1702 Name Plate VAM1129 Standby Lens AAK7902 LED Lens AAK7903 Volume Knob P Assy AAB7239 Power Button AAD7630 Volume Cap AAC7032 J4201 23P ADD7293 Front CN4201 Power CN303 Screw BPZ30POSOFMC Screw FE ABA7009 Display Panel 7904 44101 11 ADD7336 Front input CN4101 Power CN304 Volume Mold AAC7033 Front Panel AMB7776 FFC J803 7P ADD7292 Front CN4203 DSP CN804 Energy Star Label 7876 Ring ABH7213 VSX C300 I VSX C300 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM N FM AM TUNER MODULE BN201 CN201 CN803 7 IC701 TC9164AF 2701 DSP ASSY ANALOG IN OUT DIGITAL IN VIDEO IN OUT IC702 UPC4570G2 12 1 DVD Tv SAT O ver 2ch STEREO IC1301 1IC1303 NJM4558MD LPF amp 6dB AMP 2 IC802 5 AK4527BVQ 16 seus IC703 CODEC NJM2100M 5 5648 2 FRONT INPUT TE ASSY 1 3 eno 2 CN4101 CN304 FRONT Og o 2 JACK POWER ASSY ASSY 1
34. 4201 52045 2345 V 5R6 Va301 AAV7083 FL AC2 FL HOLDER 4501 VNF1122 V FL 3259589 NM x UU U rj rr G1 lt gt 7 1K R4254 atk HDCT R4206 x g 4 7 R4205 1K DDCT J4201 OL DCT DC DCT CT DCT SP CONT FAN MAX AMUTE SW DCT V 5R6 0 RY DCT N xX xX X x rjr E H H H H itm N 4 7295 4 1 2 FFC THRMO DCT FAN START B FAN DCT FL EF 5 20 4201 39999997 41411 o 52045 2345 SISI SISI s 62 o o o o G o G G1 N C E NI GNDS 2 a INC V 5A 100 5 LIE RECEIVER L ege vog UNIT Nee RDSCK 6 219 R4220 vpol V FM CN VIDEO4 TRO C4201 e c RSS mv IK MUT D4214 195353 0 5 ere aan OH Poue 2 st i SPCT 04215 188389 SBGONTROL pss som x Sys vedi ER eee O 7 x TUNED Lo 5 V 9164ST R4336 10K Ves amp S Pesca SAT 5 ence we MER MEER p E CSB MCS 2 LL MESZ DSP RST
35. 4205 FRONT D x 9 Q TV SAT N M LO O SS M ENCODER ASSY EE us 5 54401 VOLUM Ox O O gt lt 010 54204 N 3B H LED ASSY 2 AWX7913 LLL wass 94 SLR 343VC NPQ 4204 WIRE HOLDER S c lt 5 SE E 2 m _ _ 35 DIGITAL s TL 6 sal T J 0 07 PRO LOGIC C4201 an PDG264A S 3 Me ARP a 207 D DIGITAL O L D OU RED 09 0 SLR 343MCINP Q DTS LO ET GEN RY HP YB 104237 PED ep EDS 8 2 Eos 24210 _ 150 I pi SLR 343YC MNP ree rena vali onse GRN m S LEDs I LED7 5 LED su VIRTUAL B Lena 0 047 HEADPHONE LED8 B 1C4239 YEL SW BOOST r i w J PRE GAIN D pre _ 8 MM X gt 6 k gt gt c O R 54401 7040 C4402 T oO 2 C 51048 0500 4401 m m m mms J4205A DIC M i LO 8 83335 i co D20PYYO310E cjl unu pud svor m 47K R4265 47K RHA segete ENcopER assy AWX7914 8 I VSX C300 3 12 ASSY 1 2 CN501 VKN1775 IC301 GNDV VIDEO VIDEO
36. 4213 H SE O a H S ac a HV S CO Va NE 84290 md lt SE uf UB uum e am Od x gt C4233 A 84285 2 foma See we na a 6 R4206 T A 5 gt R4320 4 15 R4519 R4et4 Ji iL N W AU NEE 84514 A 7T TAN y R4315 aA R4284 84205 ye 84512 TR vs H C5 e R433g EVI R4340 N Har mA 84550 sum al n 84589 AZO R4285 de AC 459 6 525 R4286 4524 f R4323 H BIS C4236 Lus C4257 4510643592 N BAS z Rade E 4509 22184508 5 b 84507 gt R4306 E C4301 eL 4504 WES Ra s s CWKI b2X 1829 egeo 19 8U2 SALOP Ga H x o Il 5 2 ASSY O N gt gt lt CL TRANS 1 ASSY T IA ANP7395 C ANP7395 C Transformer VSX C300 5 PCB PARTS LIST NOTES e Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List e The N 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 e When ordering resistors first convert resistance values into code form as shown in the following examples
37. A32 622 TUNED 13 PC1 KR1 PG6 A33 528 PLL DO 14 PC2 KR2 PG5 A34 RY C R FAN START 15 PC3 KR3 PG4 A35 RYA FAN DCT 16 PC4 KR4 PG3 A36 RY AC VENC A 17 PC5 KR5 PG2 A37 RY HP VENC B 18 PC6 KR6 PG1 A38 DIGITAL input 19 PC7 KR7 PGO A39 Multi ch input DSPM_CS2 PF7 A40 Prologic DSPM CS1 PF6 A41 DolbyDigital DSPM CK 22 PB2 SCKO PF5 A42 pts DSPM SI 23 PB3 SIO PF4 A43 FM DSPM SO 24 PB4 S00 PF3 A44 MPEG HP surr FAN MAX 25 PB5 SCK1 PF2 A45 VIRTUAL HP surr ST EVR 26 PBe SH PF1 A46 MIDNIGHT DSPM RST 27 PB7 SO1 47 SW boost PD7 A48 9164 CS 29 PA1 ANO PD6 A49 GAIN SEL CENTER 30 PA1 AN1 PD5 A50 SYS CK 733235 Bm Q 6 lt lt lt lt lt lt lt lt lt lt lt CN sr LO st To ook reece eae p jp P J jl Lt FEFE 555525 2 lt lt 56 VSX C300 e Pin Function Grid output 2 Grid output 1 Jp JComettoVdd 4 ACN JACpuseiput I _ _ Serial control data signal for RDS communication Serial control clock signal for RDS communication Use for external interrupt Subwoofer detection signal input Remote control signal input non carrier signal Discrimination signal of Stereo Mono signal Chip select signal for communicate with LC72131 tuner Signal out
38. AKERS M 499861 341 AKE7077 155355 155355 V SOPT Z 0401 RL DTC143EK N IN o gt TE 19 GNDA R371 A RY341 INL 22k Ls ASR7001 GNDV vico 3 101 S N TI 357 C3 P r 46 D345 155355 V 50PT GNDV CN304 GNDA GNDOPT 52045 1145 VEF1040 457 495 29 gq J451 DB118NB0 J451A MAIN GND J452A J452 F DB 18NB O MAIN 455 5 C5 O d 8 518 0 7 S T J Sige SUB AC2 J 8 SUB AC1 SR BY E L 0 SUB AC3 oe D3SBA20 B JA54A 40465 330 50 FL AC1 fx 2 482 AT 0 FL 2 ov A S8 VES T x Q390 OF 11 6V ox ws X DTA124EK 9100 1 Bk lt Q 10756 8B 5 I 5 S Q WA S o 1 8k ye VV F401 DTF1070 7 10594 RKN1004 I VSX C300 3 13 POWER 2 2 SW TRANS 2 and TRANS 1 ASSYS W TRANS 1 assy AWX7906 J101A NEUTRAL V LIVE 12 V O oO TRANS 2 ASSY AWX7907 J451A Ji 2 MAIN aci 9451 O wise su 2452 J453A O MAIN Ac2 J453 SUB AC2 SUB AC1 SUB 12 J454 FLAC1 C503 7006 650 FUSE COVER IC5 1 IC50 O CAUTION CAUTION FOR C
39. CEJQ4R7M50 IC1107 TC7WUO4FU C824 CEJQR47M50 IC1401 IC701 TC9164AF IC1502 IC1504 IC702 UPC4570G2 C753 CKSQYF105Z16 A 1507 2541515 C1343 C1348 C1443 C1446 CKSQYF225Z16 Q705 2SC1740S C1451 C1456 C1557 C1562 C756 CKSQYF225Z16 C1542 C1714 C841 CKSRYB102K50 Q1401 Q1404 Q1409 01410 283326 C1101 C1103 C1107 C1110 1112 CKSRYB103K50 Q1501 01502 01506 0701 0702 28C3326 A 91508 28C3377 C1118 C1121 C1123 C1126 1129 CKSRYB103K50 01405 01406 1408 0703 0801 DTA124EK C1131 1132 C1201 1205 1206 CKSRYB103K50 0803 DTA124EK C1209 C1211 C1213 C1215 C1219 CKSRYB103K50 C1349 C1402 C1404 C1525 CKSRYB103K50 Q1407 Q704 Q802 Q804 DTC124EK C743 C746 C805 C807 C809 CKSRYB103K50 D1504 D701 1SS355 01401 01402 DAP202K C820 C833 C836 C842 C845 CKSRYB103K50 D1503 UDZS5 1B C847 CKSRYB103K50 D1501 D1502 UDZS7 5B C1223 C1328 C1442 1447 1450 CKSRYB104K25 C1505 C1508 C1524 C1540 1707 CKSRYB104K25 COILS AND FILTERS C1717 C1718 C733 C734 CKSRYB104K25 1103 L1201 L1601 L1602 11701 ATL7002 C739 C740 C754 C803 CKSRYB104K25 F1601 F 1610 F1701 DTF1070 817 818 827 830 835 CKSRYB104K25 L1101 L1102 L1104 L1202 L1203 QTL1013 C839 C844 C855 CKSRYB104K25 L701 L801 L808 QTL1013 C1411 C1412 C1435 CKSRYB122K50 C741 C742 CKSRYB152K50 1549 1550 CKSRYB153K 153K50 C1319 C1320 C1331 C1413 C1414 CCSRCH101J50 ee ENED C717 C719 C721 C722 C816 CCSRCH101J50
40. D D D OFF ON button Press this button to the ON position 50 that the MASTER VOLUME power button on the remote control will be opera Use to set the overall listening volume tional If the button is OFF the power of the 9 7 Input buttons receiver is shut and the RECEIVER button on Use to select the playback source the possibilities are the remote control does not function When this DVD TV SAT VCR TUNER and FRONT button is ON the power button on the remote If the receiver is in standby mode pressing these control toggles between ON and STANDBY mode buttons will also turn the power on 2 STANDBY indicator FRONT jacks Lights when the receiver is in standby mode The You can connect a portable DVD player video receiver uses a small amount of electricity 1W in camera video game system or whatever equipment standby mode you would like to have handy to the FRONT jacks 3 INPUT SIGNAL indicators Indicates the kind of input signal 9 PHONES jack DIGITAL mM Use to connect headphones this switches the When a digital source is input this indicator will speakers off light Volume level indicator MULTI When a multichannel source is input this indicator MIDNIGHT indicator will light Lights when Midnight Listening mode 5 on 4 DECODE MODE indicators Indicates how the signal is being decoded 42 CHARACTER display OO PRO LOGIC E Shows the current input DVD TV SAT etc Lights whe
41. H NEN 0 Ex EN w 20 Not used 21 Not used 22 Not used 3 4 Not used EUN EN NEN CO GD CO Gy QI ISI INI rN INI NI NIN 0j NIO CO NIOJ A A cO e TXD For FLASH rewrite JJ Z Z Z Z Z Z Z Z lt Z lt X lt gt x gt lt 812875 79 U eem em amm lt el ee V n H m AQ gt Q C lt m CD T SCLK m c lt CSDO or 1 ____ 9 98 PSP erea 40 o aps o 42 cos 0 TT MUTE ADMD DT cO A O Co For E SW TC9164 VSX C300 PinName SE 02 For E SW TC9164 52 sr 5 SELA SELB For Logic IC TC74ACT151F SELC TT output Not used gt 2 3 Not used ot Used Vss Not used Not used DIR PD DIR STDO CDC PD FS96 Z U 5 Not Used Power down for DIR DIR data input ODEC power down 70 71 Not used 72 Not used 73 Not used Not used ERR CDC CS cO x N BA CS for CODEC communication CDC DT Data output for CODEC communication CDC CK Clock for CODEC communication 0 NEN kl
42. La EE Not used Not used Not used TERE Not used Not used Not used NEN EUN 0 NN ER ES EN oo 9 1 2 3 4 2CHSW2 For TC9215 control SW H PASSIV L POWERRED 2CHSW 1 For TC9215 control SB H DSP L 6CH Not used Not used ANOV Not used Not used Not used AIRT ARDY ADRY AVss ADRT 7 8 Not Overload detection of analog input A D CO Not used cO 2 DSP INIT reset control at rising edge of power supply only cO CO CO NI I N O O O O O O J O2 R SP reset Oo U 100 CD D 5 JE lt 4 6 VSX C300 7 2 2 DISPLAY AAV7083 FRONT ASSY V4301 FL DISPLAY Pin Assignment rr opm Grid Assignment Ooooooooo D 0000000000 opo08902000 nan naa nag Doooocoooocoo Goooooooaa D nana 5G g 9996009900 D ooo 6G aaa 76 0990090000 oo28p020g00 8G 99 9 Oooo aaa DOooooooooao 9 ooooooaooag aoa STEREO AO F uq Z 4 J UL
43. N l mo RRR 1 RESISTORS Unit Q unless otherwise noted Rated power 1 16W unless otherwise noted Tolerance J 5 unless otherwise noted 2 CAPACITORS Ratings Capacity uF tage unless otherwise noted Rated Voltage 50 expect for electrolytic capacitors AT CEAT or JQ CEJQ 3 DIODES Indicated in 1SS355 TRB 723 SW JQ sW UPC4570G2 lt N GDA2 V 5 va PREG r lt 2 5 ES 6 E 7 Unit uF unless otherwise noted PREG SWBT 155 _ I VSX C300 3 8 DSP 5 5 and OPT IN ASSYS El1 5 V O SYC1 SYD1 IATT F mmm e n V 6V 2 5 5 DSP assy AWX7937 100 16 AT X CN1 601 V 5D X10 S V 3D 14R FJ DTF1070 A V6 95 V 5 IC1601 PQ20WZ51 GNDV 21910 y V 6V 6 AE se ath ZE eZ lan S lt S wh L S S9 O 9 Z e lt V 5D O O V 12 CN V412 Je E GDA1 V 2D 101602 V 12 lt S PQ7VZ5 R1710 100 GNDT R1711 122 GNDOPT k OPTIN GDA2 M S 61715 lt 1100 S 5 21715 xr OO R1716 GNDOPT V 12 GNDD X1701 ASS7032 15 192 RIS 15 FDIN HP
44. ONTINUED PROTECTION AGAINST RISK OF FIRE FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 49102 5 MFD BY REPLACE ONLY WITH SAME TYPE NO 491 630 MFD BY LITTELFUSE INK FOR 10501 and IC502 AEK7014 LITTELFUSE INK FOR IC503 AEK7006 8 VSX C300 M sw assy 5601 POWER ON OFF Rated Voltage 50V expect for electrolytic capacitors AT CEAT z DIODES RESISTORS A 1 Unit MMO Q unless otherwise noted D e lt AWX7904 Rated power 1 16W unless otherwise noted gt TO N Tolerance J t5X unless otherwise noted a 2 Unit uF unless otherwise noted D a lt Ratings Capacity uF Vol tage unless otherwise noted IO gt SW ASSY Indicated in 1SS355 TRB 2 1 7592 1 5 T F 2 2 Power assy AWX7910 1040 492 1 2 1 2W VM ASR7013 27 0202 0201 155355 RY101 R201 Tis C201 RCN1080 4 IS FU101 T101 i REK1112 ATT7057 NJM78M56FA AN101 A 2 5A 125V IN OUT AKP7032 A wa H101 H102 1101 _ 1 e LIVE 5 LS SB AC IN AKR7001 T b wes NEUTRAL SO moms __ 5205 1S A 7 18 E S1VB20 F 05 A S O lt sperem Hes SI LSS m gt GNDU e NOTE FOR FUSE REPLACEMENT CAUTION
45. Pioneer sound vision sou Service Manual ORDER NO RRV2524 AUDIO VIDEO MULTI CHANNEL RECEIVER VSX C300 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Type Model VSX C300 Power Requirement AC120V CONTENTS i 2 2 EXPLODED VIEWS AND PARTS LIST 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 8 A PCB CONNECTION DIAGRAM nnn aaa 32 5 PCB PARTO 46 50 7 GENERAL INFORMATION PN 51 7 4 DIAGNOSIS RN 51 7 1 1 Test Mode E 51 7 1 2 Protection of the Amplifier Line 52 7 1 3 Operation of the Fan Control Line 53 7 1 4 Specifications of Speaker Detection 54 7 1 5 Timing Chart cusssasccnsaessueessuASensAmasuasceonscsonscons 55 7 2 PARTS 56 7 2 1 1C a 56 7 2 2 DISPLAY Meme 62 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 O PIONEER CORPORATION 2001 T ZZR SEPT 2001 Printed in Japan VSX C300 1 SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified t
46. R CN4201 4202 CONNECTOR CN4203 V4301 FL TUBE X4201 CERAMIC RESO 7 2MHz 44205 JUMPER WIRE 44204 JUMPER WIRE 4201 REMOTE RECEIVER UNIT 4301 FL HOLDER LED assy SEMICONDUCTORS D4501 RESISTORS R4501 OTHERS 4501 3P CABLE HOLDER VSX C300 Part No GP1FA502RZ RKB1014 VNF 1084 PDG264A DTA124EK DTC143EK 1 355 DAN217 DAP202K SLR 343MC NPQ SLR 343VC NPQ SLR 343YC MNP LFEA2R2J VSG1009 ACH7144 CEAL470M16 CEAT221M6R3 CKSQYF225216 CKSRYB102K50 CKSRYB103K50 CKSRYB104K25 CKSRYB473K50 RS1 16SOODJ 51048 0300 52045 0745 52045 2345 AAV7083 ASS7039 D20PYYOS310E D20PYYOS315E GP1U27X VNF1122 SLR 343VC NPQ RS1 16S471J 51048 0300 49 VSX C300 Mark No Description Ell Assy SEMICONDUCTORS 54401 ROTARY ENCODER CAPACITORS 4401 C4402 OTHERS 4401 3P CABLE HOLDER 4 sw assy SWITCHES AND RELAYS A S601 CAPACITORS C601 C602 OTHERS J601 3P SHIELD HOUSING TRANS 2 ASSY SEMICONDUCTORS A IC503 PROTECTOR 0 63A A IC501 IC502 PROTECTOR 2 5A COILS AND FILTERS F501 F502 CAPACITORS C501 C502 C503 C504 RESISTORS R501 R502 OTHERS 504 5P CABLE HOLDER I TRANS 1 assy TRANS 1 ASSY has no service part 50 Part No ASX7040 CKSRYB102K50 51048 0300 ASG7024 CKSRYB103K50 ADX7392 AEK7006 AEK7014 DTF1070 ACH1237 CKSRYB473K50 RD1 4MUF100J RD1 4MUF4R7J 51048 0500 6
47. R362 R388 RD1 2LMF100J A R319 R320 R359 8360 R387 RD1 2MMF4R7J R201 RD1 2VM270J R311 R312 R351 R352 RD1 4MUF101J A R451 R452 RD1 4MUF4R7J A R453 R454 51 1654 R461 RS1LMF102J R409 RS1LMF121J R401 R402 RS1LMF221J A R317 8318 R357 8358 R386 XCN3001 R204 RCN1080 OtherResistors 851165000 OTHERS CN302 FJ CONNECTOR 14P 14PL FJ 454 5P CABLE HOLDER 51048 0500 CN304 11P FFC CONNECTOR 52045 1145 CN303 23P FFC CONNECTOR 52045 2345 JA301 1P PIN JACK AKB7080 341 6P SPEAKER TERMINAL AKE7077 301 4P SPEAKER TERMINAL AKE7078 H101 H102 FUSE CLIP AKR7001 451 D HEAT SINK ANH7146 T101 SUB TRANS FORMER ATT7057 CN201 CN305 3P CONNECTOR B3B PH K AN101 AC INLET AKP7032 J454 5P JUMPER D20PYY0515E J457 JUMPER WIR UNIT DBO15NBO CN306 3P PLUG KM250MA3 JA401 JA402 REMOTE JACK RKN1 004 491 493 PCB BINDER VEF1040 CN301 19P 1 25FJ CONNECTOR VKN1775 J455 JUMPER WIR DB010NB0 FRONT INPUT ASSY CAPACITORS C4103 C4104 CCSRCH101J50 C4107 C4111 CCSRCH471J50 C4108 CEAT470M25 4105 4109 4117 CKSRYB103K50 4102 4106 4110 CKSRYB104K25 C4112 4113 CKSRYB223K50 RESISTORS OtherResistors 851165000 OTHERS CN4101 11 FFC CONNECTOR 52045 1145 JA4101 3P PIN JACK AKB7098 C4216 C4208 C4214 C4230 C4231 C4201 C4210 C4226 C4202 C4209 C4213 C4215 C4222 4203 4207 C4211 C4220 C4224 C4217 C4218 C4232 C4239 RESISTORS OtherResistors OTHERS 4204 4205 3P CABLE HOLDER 7P FFC CONNECTO
48. REQ CSRT CA15 CA16 CA17 ABOT CSDT 5F96 5DRO A I VSX C300 3 6 DSP ASSY 3 5 F FL DAL DAR RL 15 DASL DASR C DAC S DALF B DASL R13 9 S V JQ 2 4k IC1302 5 1 2 CODEC DAOUT DASR R1310 V IC1302 2 2 NJM4558MD IC1303 2 2 NJM4558MD Gu 10 2dB es YB GDA1 LPF 5 56dB 10 2dB SW GDA1 GDA2 z 3 5 em d 0 01 G G 1 501 2 2 NJM4558MD c1356 SW 3 5 DSP assy 7937 dB 4dB FL FL 10dB 10dB Mi C1401 TC9164AF db wa 10 R1401 1K 12 R1402 RL I C SW E gt V 3D DAP202K _ 3 01401 145 01406 i E DTA124EK DRER V KV pAP202K 01402 MUTE 2 1 2 that x f 5 91407 DTC124EK GNDD ANALOG BLOCK DSPuCOM m u Q Ee F x W 2 AN 14 2 a s wv Nx gt lt 0 15 3 4 H 8 VSX C300 FL D AUDIO SIGNAL ROUTE Front L ch R AUDIO SIGNAL ROUTE Rear L ch MIX AMP LPF b G 8 9dB F 5 G dB yel D gt AUDIO SIGNAL ROUTE Sub Woofer R1405 12k 1 2 ON L gt AUDIO SIGNAL ROUTE Center R14 9 5 6 FL 4 Ik R1413 AT IC1402 1 2 NJM4558MD R1406 12k R1408 6 8k 4 3k R1410 R1416 5 6 R1412 4 7k R1428 R1414 3
49. SX C300 3 10 FRONT INPUT ASSY gt VIDEO SIGNAL ROUTE F FRONT INPUT ASSY gt AUDIO SIGNAL ROUTE AWX7916 JA4101 b AUDIO SIGNAL ROUTE Digital AKB7098 FRONT JA4105 JA4102 83 23 173 S GP1FA502RZ R V HP EMT B DO OO eo Bas N 5 9 w ie Bx SIM GNDOPT R410 VY x mie 75 24104 R4106 7 470k 470k CN41 01 502045 114595 ig RISE GNDA 2 et aw TTL 1 2 F vives GO m tet E CN304 pg _ ANNE HP DCT 8 OPTIN 09 E e C4117 2 I YB V 50PT SN m m 0 01 en m t gt gt O gt gt 1 i i m GNDA T p T CD g Oj dc Pla Qj a Sis 55 Ss SS s alg xi sz sls SP Sl Tt fo GNDH gt OE 1 RESISTORS GS Unit MMO or Q unless otherwise noted Rated power 1 16W unless otherwise noted Tolerance J 5 unless otherwise noted 2 CAPACITORS Unit or uF unless otherwise noted Ratings Capacity uF Voltage V unless otherwise noted Rated Voltage 50V expect for electrolytic capacitors AT CEAT or AL CEAL 3 DIODES Indicated in 155355 I VSX C300 3 11 FRONT LED and ENCODER ASSYS e FRONT ASSY AWX7933 CN
50. V GNDA GNDU MS SYSCOM AG ANALOG BLOCK DSPuCOM DRER VDO1 VDO2 VDO3 VDO4 o 64CS L805 QTL1013 SYD1 N 1 25 YB LJ fL C839 84 eQ 2 2200000150 5 SST B ITI r LATT 55 es 1000 Laie R835 ie 5 CDPD 2541 019 2L 2 2 NS TI D N DRPD BST 5 5 3 0 1 844 EDHE me cpck N J801 J801A a E gt OHO NM SH Sg T P wees ooa T V ANOV DIR amp A D Selector ISS SS Se oo c AK4112AVF 4 8 DAR 5 5 FL a 18 E 35 2 T BIS 1 i sa si lt H A o OA DAC z E ul 5 a 21 980 100 BICK o m al 20 R810 xA 100 L py 10 xx100 12 15 25 1 5 m E O B OO I VSX C300 3 5 DSP ASSY 2 5 2 5 DSP ASSY AWX7937 CSDSP SRAM VCS2 V 3D C1106 100 16 IC1101 Q3 D 95 TC74VHC574F d p4 TC74VHCST4F o hal 7 E F F CN CS493292 E DSP for 2 M S ko m hi ln kn G O OO g 1115 CH470p R1126 100 C1112 YB 0 01 al ISDATAN 1 D R1105 A A A S N N 37 07 O al al al a
51. d PLL O1 VSX C300 PinName VO hm SS CK Clock signal for communicate win M62446 TC9168 and 52 GAN SEL O Gain switch L at Stereo and Flat of analog input I TRH TRT 54 SWboos O SubwooferboostatS BASS HF S5 STEREO O LED display Lghsatseo o C E 56 Viua Psur LED display K S HP sudd J Fk at HP SUAR vru 57 VPEGWrua O LED display MPEGAAG JH at BC playback K at VIRTUAL RDS O Switching ON OFF for power supply Tr of RDS decoder L AM power OFF H others H _ ors LED display Lights at DTS mult channelpaybak Dobyigis O LED display Lights at dolby digital decode et Proge O LED display Lights at prologic playback TRH Mulchinput Lights at digital input signal is excepted oran DIGITAL input O Lohtsatdignalinputsignalislosked RY_ JHPrmyONOFR K KK TT e 1 co NJ N O O OO N C1 A CD BA Segment output 3 to 23 Segment output 1 and 2 2 Not used Not used fixed to VFDP Grid output 3 to 10 O O 07 QQ S G2 ewe m uum gi eoe RO M US 0 50
52. e earth ground and all exposed metal parts of the appliance input output terminals screwheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on Any current measured must not exceed 0 5mA Reading should Leakage not be above current 0 5mA tester ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER 2 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appliance have special safety related characteristics These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended replacement one shown in the parts list in Test all exposed metal surfaces Also test with plug reversed Using AC adapter plug as required AC Leakage Test this Service Manual may create shock fire or other hazards Product Saf
53. e detected the following operation will be executed 31 pin 15 pin 25 pin 64 66 67 pin 19 pin Set voltage of A D FAN START FAN MAX SP RELAY AMUTE Display ovoza 512600 t M M K 1 2evbsav osons H M H 000174 L n n H H HEAT UP flashes for 5 seconds at 20 sec intervals If you wish to switch FAN START from to L and FAN MAX from L to first set FAN START to L then after 100 us set FAN MAX to H While OVERHEAT is flashing only the POWER key is functional 3 FAN operation Once the fan starts rotating it continues to rotate at the same speed until the temperature falls to 65 C Once the fan starts rotating it continues to rotate for at least 20 seconds even after the temperature falls to the above mentioned level 4 Detection of abnormalities in the fan f any abnormality is detected in the fan 5 seconds after it starts rotating at high speed and if H abnormal is indicated for the FANDCT connector FAN STOP is displayed for 5 seconds then the power is turned off While FAN STOP is displayed AMUTE is on and RELAY is off While FAN STOP is displayed only the POWER key is functional While the fan is rotating at low speed abnormality detection is not carried out 5 Abnormality in the thermistor If an abnormality A D voltage 0 1 V or less is detected in the thermistor THDCT NG is
54. echnicians have the necessary test equipment and tools and have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer birth defects or other reproductive harm Health amp Safety Code Section 25249 6 Proposition 65 NOTICE FOR CANADIAN MODEL ONLY Fuse symbols EZE fast operating fuse and or FEF slow operating fuse on PCB indicate that replacement parts must be of identical designation POUR MODELE CANADIEN SEULEMENT Les symboles de fusible fusible de type rapide et ou fusible de type lent sur indiquent que les pi ces de remplacement doivent avoir la m me d signation FOR USA MODEL ONLY 1 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground water pipe conduit etc by connecting a leakage current tester such as Simpson Model 229 2 or equivalent between th
55. ect buttons FLAT button Press for FLAT mode This mode plays as recorded with no tone adjustments QUIET button Press for QUIET mode This mode is for delicate soundtracks S BASS button Press for S BASS mode which adds additional bass to the sound 65 VSX C300 15 ROOM SETUP S M L buttons Use these functions when setting up the surround sound speaker distances with the Quick Start easy to do method CH LEVEL buttons Use these buttons to control the volume level of each channel or add or subtract the amount of effect in a listening mode 7 lt gt A amp ENTER buttons Use these arrow buttons when setting up your surround system 2 channel listening mode buttons VIRTUAL button Press for VIRTUAL listening mode This listening mode imitates surround sound but only uses two channels PHONES SURR button Press for PHONES SURR listening mode This listening mode imitates surround sound for headphones also only two channel reproduc tion STEREO button Press for STEREO listening mode This is regular stereo reproduction always two channel sound MULTI channel listening mode buttons STANDARD button Press for STANDARD listening mode This is the basic listening mode for listening to Dolby Digital 5 1 DTS 5 1 and other surround soundtracks as well as Dolby Surround soundtracks It offers pure decoding of the signal with no added effects 2 channel sources will get decoded and played back as Dolby Pro Logic
56. ety is continuously under review and new instructions are issued from time to time For the latest information always consult the current PIONEER Service Manual A subscription to or additional copies of PIONEER Service Manual may be obtained at a nominal charge from PIONEER VSX C300 2 EXPLODED VIEWS AND PARTS LIST NOTES 9 Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List The A 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 9 Screws adjacent to Y mark on the product are used for disassembly 2 1 PACKING e PACKING PARTS LIST Mark 1 2 NSP 3 NSP 4 5 6 NSP 7 8 9 10 11 12 Description FM Wire Antenna AM Loop Antenna Polyethylene Bag 0 03 x 230 x 340 Warranty Card Remote Control Unit Battery Cover Dry Cell Battery R6P AA Left Pad Right Pad Packing Sheet Packing Case Operating Instructions English Part No ADH7004 ATB7009 Z21 038 ARY7045 AXD7310 AZA7378 VEM 013 AHA7349 AHA7350 AHG7015 AHD8010 ARB7248 Mark Description Part No 13 Power Cord 14 Cable Label ADG7022 ARW7145 VSX C300 2 2 EXTERIOR SECTION e EXTERIOR SECTION PARTS LIST Mark NSP NSP NSP NSP O O ON O Description Part No DSP ASSY AWX7937 2P JACK ASSY
57. f E gt 0403 GNDU Bli 155355 gt O CAUTION laf FOR CONTINUED PROTECTION AGAINST RISK OF FIRE 01302 SV l REPLACE ONLY WITH SAME TYPE NO 491001 MFD BY pm DaT D ov ates LITTELFUSE INK FOR IC302 AEK7009 gt 47 gt 86 gt 1 G 41 5 0 B gt 28 1 5 5 CN1601 1 2 3 4 H 8 VSX C300 RL n VIDEO SIGNAL ROUTE D AUDIO SIGNAL ROUTE D AUDIO SIGNAL ROUTE Rear L ch D SW b AUDIO SIGNAL ROUTE Digital D AUDIO SIGNAL ROUTE Sub Woofer FL D AUDIO SIGNAL ROUTE Front L ch D AUDIO SIGNAL ROUTE Center NOTE x rs Voltage Status E MMO Q unless otherwise noted 5 DIODES Rated power 1 16W unless otherwise noted Indicated in 1SS355 TRB Tolerance J 5 unless otherwise noted 2 CAPACITORS Unit uF unless otherwise noted Ratings Capacity uF Vol tage unless otherwise noted Rated Voltage 5 V expect for electrolytic capacitors 11 gt 501 7078 FL FL SP G FL GND D306 D305 155355 155355 C325 IYB i 22k FR GND SPEAKERS o NEN ___ NI 0326 EE SF 5 ect RL SP s RL GND Em O RR GND Gio 7 SPE
58. he remote control in receiver or TV mode 4 LED indicator This indicator flashes when a command is sent from the remote control to the receiver It also flashes at when teaching the receiver preset codes 5 INPUT SELECT button Use to select the playback source This button lets you cycle through the different inputs DVD TV SAT VCR TUNER and FRONT 6 MASTER VOLUME buttons Use to set the overall listening volume 7 REMOTE SETUP button Use this button when setting up the remote control with the REMOTE SETUP feature MUTING button Use to mute the sound or restore the sound if it has been muted 9 DISPLAY button Use to display information You can confirm what settings have been made by going through the various displays TV POWER button Use to turn on off the power of the TV INPUT SELECT button Use to select the TV input b VOLUME buttons Use to adjust the volume on your TV C CHANNEL buttons Use to select channels on your TV 17 SOURCE Power button Use this button to turn on and off the power of other components 2 CH SELECT button Use to select a speaker when setting the volume level of each channel 3 TEST TONE button Useto sound the TEST TONE when setting the volume level of each channel DIMMER button Press to change the display brightness The DIMMER button allows you to cycle through the four different brightness strengths for the display 8 Tone Eff
59. i RY401 ND O z z O 9 RY301 5 1 7 OHO O 50 15dB RY341 7 30 13dB v ks io RY381 OHO Q381 gt 4 vy Z 0407 C gt 5601 0205 T101 IC201 V 5R6 SYSUCOM GNDU GNDU VFL AC1 GND FL AC 2 T1 POWER TRANSFORMENR ac 8 VSX C300 PHONES SLSR I VSX C300 3 2 OVERALL WIRING DIAGRAM DC FAN MOTOR AXM7017 POWER CORD ADG7022 21 AC INLET AKP7032 NEUTRAL LIVE 5 5 J102 J1 01 DB41 8NB FUSE A FU101 2 5A 125V REK1112 DB916NBO NEUTRAL 160mm WHT 180mm YEL TRANS 1 ASSY AWX7906 POWER TRANSFORMER BI N12 822 POWER ASSY MAIN AC1 J451 AWX7910 180mm BRN DB118NB J452A MAIN GND J452 180mm BLK DBO18NBO J453A MAIN AC2 J453 TRANS 2 180mm GRY DB818NBO ASSY J454A 5E AWX7907 SUB 2 SUB AC1 SUB 5 FL AC1 4 CABLE HOLDER CABLE HOLDER FL AC2 5 504 T T 51048 0500 M 10 S x 21 8 8 OF pe Hl O 2 M O D gt 2515 8 M N S gt S e K xi K _ a gt 95 NA iz EI Ella ol z Em aot gt SS 4 lolol GIFS z lt 5 lt gt lt So 8
60. inputs and 2 channel stereo mode are set for all functions Speaker setting high volume SW ON e When this mode is entered SJG ANA will be displayed for 5 seconds 12 STBY mode 0 key STBY mode 15 entered when the remote control code 1 received 51 VSX C300 7 1 2 Protection of the Amplifier Line 1 Detection of abnormalities in DC circuits This detection has priority over the overload detection and abnormality detection for the fan and thermistor If an abnormality has been detected AMUTE is on RELAY is off and the ERR display is flashing Does the abnormality continue for 5 seconds or more 4 Yes recovery Power is turned off The program restarts from the beginning 2 Detection of overload This detection has priority over the abnormality detection of the fan and thermistor If an abnormality has been detected AMUTE is on RELAY is off and the OVERLOAD display is flashing Does the abnormality continue for 5 seconds or more Yes No recovery Power is turned off Power is turned off even if the unit has achieved recovery While the unit is recovering from the abnormality the OVERLOAD display continues flashing VSX C300 7 1 3 Operation of the Fan Control Line 1 Detection of the heat sink The detection is carried out every other second by taking in the voltage of the thermistor at A D PORT 31 2 According to the temperatur
61. n DO PRO LOGIC decoding is in use listening mode radio frequency etc DO DIGITAL Lights when playing a 00 DIGITAL sound source 3 TUNER indicators DTS STEREO Lights when a stereo FM broadcast is being lights when playing a DTS sound source received in auto stereo mode 2 Ch Listening Mode indicators TUNED Lights when a broadcast is being received When these indicators are lit sound is only coming MONO Lights when the mono mode is set using the from the front speakers and possibly the subwoofer MPX button in some settings or headphones VIRTUAL Lights when the VIRTUAL sound modes are selected PHONES SURR Manufactured under license from Dolby Laboratories Lights when the PHONES SURR listening modes are Dolby Pro Logic and the double D symbol are ER acp trademarks of Dolby Laboratories STEREO Lights in stereo mode 64 Remote Control TV INPUT SELECT CHANNEL VOLUME SOURCE BAND CLASS EDIT D DIMMER FLAT QUIET _ S BASS ob TI PRE PROGRAMMED REMOTE CONTROL UNIT VSX C300 D RECEIVER Power button This switches between STANDBY mode and power ON for this receiver 2 Input C ontrol Mode Select buttons Use to put the receiver remote control in the input stated on the button If the Direct Selection is off then these buttons wont put the receiver in the input written on the button 3 Control Mode Select buttons Use these buttons to put t
62. nt and center speakers 10 feet Distance setting for the rear speaker 5 feet STANDARD mode Speaker setting high volume SW ON settings other than the above will be returned to the factory preset values 6 FAN ON OFF switch The fan 1s turned on or off and rotates as follows Low speed High speed Off 4 vv key VSX C300 7 Master volume switch 5 key The master volume is switched between minus infinity and 0 dB and each trim is 0 dB When the remote control code 1s received for the first time the master volume is set to minus infinity 8 9k 10k switch 6 key For the models HL SB and SP only when the A55F A505 code 13 received this switches between 9k and 10k 9 Thermistor A D value time display w 7 W key When the remote control code 1 received the A D value 0 255 of the thermistor 1s displayed on the FL display Time 1s displayed until 60 00 and then stops While the A D value and time are displayed 1f the remote control code 1s received again the display will return to the normal display Time counting will not stop 10 Speaker auto detection check 8 key When the remote control code 1s received automatic detection of the speaker starts and the result will be displayed for 5 seconds as C _SW _ where O indicates connected and indicates that no speaker 1s connected 11 Analog inputs check 9 key When the remote control code is received forced analog
63. put for center speaker detection TUNED information Data input signal for communicate with LC72131 tuner FAN rotation signal output FAN STOP detection signal EVOL rotary encoder signal input A EVOL rotary encoder signal input B 19 amure one 20 DSPM 052 OSimputforDSPmirocompulerconiol l 21 DSPM CS _ CS output for DSP microcomputer contol 22 D5PM CK O Clock signal for communicate with the DSP microcomputer 23 DSPMSI 1 Data input signal for communicate with the DSP microcomputer 24 DSPM_SO O Data output signal for communicate with the DSP microcomputer H 25 FAN MAX O FANrolationsignalouput 26 STEVR O Strobe signal for communicate win me n 27 DSPM_RST DSP microcomputer rest Og 28 AVref Connectto vad Oo 29 HPDGT Headphone detection signalinput 30 CENTER DCT 1 Centerspeaker detection signalni 3r THRMODCT Thermal detection signal put 32 amp DG DC abnormal detection of the protection circuit L Abnormal detection 33 AMPOL Overload abnormal detection of the protection circuit L Abnormal detection 34 VER1 Destination switch AD taken 37 yss T ee E e IL a2 nx rn pas TEX pmedteVes ao G VT HH e SYS DT O Data signal for communicate with M62446 TC9163 an
64. surround soundtracks 5 D button Press for 5 D sound mode This listening mode takes two channel sources and simulates surround sound GAME button Press for GAME listening mode This listening mode is best for games and other soundtracks with lots of electronic sounds TV SURR button Press for TV SURR listening mode This listening mode takes mono TV sound sources and simulates surround sound MUSICAL button Press for MUSICAL listening mode This listening mode is best for music and other soundtracks with lots of melody DRAMA button Press for DRAMA listening mode This listening mode is best for dramatic movies and other soundtracks with lots of dialog ACTION button Press for ACTION listening mode This listening mode is best for action movies and other soundtracks with lots of animated sounds 20 MIDNIGHT button Use to put receiver in MIDNIGHT mode 21 2 MULTI channel listening mode button AUTO button Useto put receiver in the AUTO mode wherethe receiver automatically switches between STEREO 2 ch and STANDARD MULTI according to the input 66 8 2 SPECIFICATIONS Amplifier Section Continuous average power output of 21 watts per channel min at 6 ohms from 20 Hz to 20 000 Hz with no more than 0 9 total harmonic distortion front Continuous Power Output SURROUND MODE FRONT ansni 33 W ch 1 kHz THD 1 96 6 2 CENTER 33W 1 kHz THD 1 96 6 SURROUND 33 W ch 1 kHz THD 1 96 6 2
65. udged that no center speaker is connected lt Detection of the subwoofer gt The logic of the signal from the phono jack with a switch is read by the microcomputer to judge whether the speaker is connected or not The signals are read every 1 ms and if the same results are obtained the detection result is considered correct If a different result is obtained for the second detection a third detection is carried out and the two results that agree will outvote the other If detection fails three times then it is judged that no subwoofer is connected 3 Speaker settings According to the results of the detection speaker settings are made as follows Results of the Detections Speaker Settings Center SP Sub woofer Front SP Center SP Surround SP Subwoofer meh w or _ Not cometes Connected low Tow _ Not connected Not connected o Y 4 User s settings In Setup mode more detailed speaker settings are available Once the user s settings are made those settings have priority However if the configuration of connected speakers has changed then the detection results become valid and have priority over the user s settings until new user s settings are made 5 Detection circuit for the center speaker Center Detection Check signal from U COM Detection signal to U COM Fr More than About 82 POWER AMP 54 VSX C300
66. y is shown with the marked box p ae Edd ATF7026 lt m A CE 0 m9 CLK v CD Rch e S GND g N N GND O Lch T TX o p MUTE IF REQ LO Jj EJ eS lt F z 1 V u o x x u 5 9 o e gt RDS 3 w lt 2 NC Fess CN201 u w c 52044 1345 LE ou D 0 I Ne Ocr LC72131ND TFB PLL IC lo r N N O 8 lt lt lt lt Dy Gi Ss px NT NT NT NF c cc I VSX C300 3 4 DSP 1 5 and 2P JACK ASSYS 3 O 1 5 DSP assy 7937 Hs 88 ES S cS 45 5 5 5 gt IF 71 58 FVDO 8 9 V 6 V 12 GNDV 8 gt TX 4 D gt 1 2 11 UPC4570G2 IT S 178 V 12 Audio Function Selector 15 v CH I IC702 CN2201 CN701 2 2 JA2201 AKP7067 AKP7056 UPC4570G2 C701 TC9164AF VIDEO VCR IN R701 AAA 2P JACK ASSY AWX7926 V 50PT V 5D L801 7 QTL1013 9801 DTA124EK 9805 DTA124EK C804 47 25 2802 N N DTC124EK FRIN B FRIN 4 9 FLIN P CODEC DIR DSPuCOM D FDIN 0 V 3D 55 FDIN V 5D 805 PER L802 QTL1013 Y QTL1013 SS oiT 00 GNDD CN801 2 KM200TA5 3 8 1 RESISTORS oD i Unit k kQ
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