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VSX-108

1. 4 1 2 3 VSX 108 3 2 TUNER PCB Q101 00300715 041 R102 25 715 470 0101 T101 00400321 500 01621032 104 7 LOOP TH 0 047 33u AM ANTENNA 8 J4 AM Rio rat 52 peor 47K Dog 59 T102 nae FE 01620360 023 mio AM B i C103 D102 t RIO 00400321 500 h 0 02 10k SVC321 moe a WW Od t W LSS 4 i Las in es E 3 RAG aapi Naa Nara Se 10K i 8888 7 C166 E CSA m IC101 8S 5g LA1186N 7 L106 95 Rita WDUCTOR GT 55 1220 1 FM PES m E nat 5 n FM ANT x hoggii 98 CF102 150 SNP 02810700 009 Qu CF101 eu 8 gt amp 02810700 009 _ 0 KO a 30 enixe lt 58 5 6134 8 R o Ex 0 047 18K 3 52 5 5 eS Bos 0 02 59 300 5718 8 i 8 5 0104 C139 00300536 046 0 047 256536 R127 i i gt 0 00uF C136 R126 1 oF R123 220K a88 10K 0 001 350 589 Q106 S9 00302999 044 1 ati 25 2999 DE K7 7 4 R149 390 a AA PEP AP EI LOT 0107 00302999 044 2562999 R135 4 1 2 3 5 e 5 e 5 tns la cns L101 gor
2. KTA c 00310536 046 GND O 2555 SS 27 5 6 er 09999 CN14 8 2K 10000 1 2 5 e 155135 7 R822 10k ces L B SUB cin R287 0372 m R289 ours 104 i 100U 35V 100 104 50 50 100 1001 5355 77 L 00 0 336034 a s 0205 100 R319 5 en g IC204 158133 Y 79 Ua gt Ts 4 1201 m s 5 AAA QE E 01500080 006 RELAY al 5 0204 AN m 00303576 044 Borer APRES R341 C326 AAZ 407 2 Q205 R358 252 C253 Al gt fue mg 4 ANA uet 8284 56K R266 S6K 18K R262 R285 C255 pa R281 21282 gt R283 R285 L ANA TH sira oe 560 c baa pm 40 155453 4 2 R260 C375 um C376 O 47K 470 104 R297 L202 Ry2 tc 0 22 54 01500030 006 R RELAY LL ee oo o 5 R298 R E 6 gt 55 E 3 Seu 1 20 R38 R342 8 4 AAP pu 206 zx 5 5 LL m C257
3. 87 5 MHz to 108 MHz Stereo Separation 40 dB 1 kHz Frequency Response 30 Hz to 15 kHz 3 dB Antenna Input pp 3000 AM Tuner Section Frequency Range 530 kHz to 1 700 kHz Antenna AB Loop antenna Miscellaneous Power Requirements AC 120 V 60 Hz Power Consumption pp 210W Dimensions 420 W x 123 H x 321 D mm Weight without package 6 0 kg Furnished Parts AA e ea E or aO 1 AM Loop Antenna RN 1 Dry Cell Batteries size IEC R6P 2 Remote Control 1 RGA Cable atlas 1 Operating Instructions 1 Specifications and the design subject to possible modifications without notice due to improvements Manufactured under license from Dolby Laboratories Licensing Corporation Dolby the double D symbol and Pro Logic are trademarks of Dolby Laboratories Licensing Corporation VSX 108 Accessories FM Antenna 064100010035 White RCA Cable Remote Control Unit 182010800015 Dry Cell Battery size AA IEC R6P x 2 AM Loop Antena 015821000015 39
4. Connect a capacitor for oscillation VSX 108 7 1 2 DISPLAY 04991693 001 9 MT 169GK DISPLAY PCB V1 TUBE TUNED ER NNT mono JAN AN TANT ANT JAN IN stereo Pin Connection VSX 108 Anode Connection 34 VSX 108 8 PANEL FACILITIES AND SPECIFICATIONS 8 1 PANEL FACILITIES Front Panel OO 000 Oo Pioneer AUDIO IPULTHSHANNEL RECEIVER VSX 108 POWER ON OFF buiton TEST TONE ON OFF button The TEST TONE signal will be output in the Dolby Pro logic mode LEVEL button Use to adjust center or rear level CENTER REAR button Use to select the Level Control REMOTE SENSOR DISPLAY LED INDICATOR DOLBY PRO LOGIC SFC LOUDNESS STEREO button Use to playback sound that DOLBY PRO LOGIC and SFC MODE turn off DOLBY PRO LOGIC button SFC MODE button LOUDNESS button Press this button when the volume is low to raise the low and high range levels so that the sound can be heard more easily 2 B 5 D 20 MASTER VOLUME PHONES JACK Headphone terminal MPX MODE b
5. RELAY 2 CH DC O VCR ROTARY ENCODER 102081 620 165 L pata 12 CLK DATA YR A VR B LI DOBLY L2 SFC L3 LOUD MUTE MONG AM 54 55 M62419FP 56 57 5 0 61 REMOTE 05204500 000 R701 10K 220Kx2 R708 3K3 C717 100P 503 MASTER aaa VOLUME FM IF REQ MONO AM SD ST IND 05 GND IFCAM FM CN701 cN7o1A CN708 GND 2 05 FM IN C716 100 AM IN 0703 155133 705 470 10 0 22F GOLD C703 RECEIVER 06104421 000 cal 0 10 R715 120K 0704 DTC143ES 15 VSX 108 Voltage V Pi Voltage V Voltage V in Pin Voltage V FM AM FM AM FM AM FM AM A ow ojoj NI DO om A wo Pp 10 11 alo a a 16 1 204 205 4 CONNECTION DIAGRAM 4 1 NOTE PCB DIAGRAMS 1 Par
6. 37 VSX 108 Remote Control Unit TV FUNC BAND DIRE 8 B 8 O CENTER CENTER uno PRokocic mutne PRESET LOUDNESS MASTER VOLUME AUDIO VIDEO PRE PROGRAMMED REMOTE CONTROL UNIT D MULTI CONTROL function buttons When operating other devices press any one of these buttons to specify the device to be operated memo This button cannot be used to switch the functions of this unit 2 TUNER button Press to operate this unit when set to the TUNER 3 PRO LOGIC button Use to change the mode of DOLBY PRO LOGIC 4 SURROUND button Press to start the SURROUND function 5 PRESET button To preset other brand devices press any one of the MULTI CONTROL function buttons together with this button 38 6 5 FUNCTION button Use to switch the function setting of this unit gt CD gt VCR AM TUNER operations STATION BAND TUNING MPX D ACCESS buttons TV operations STANDBY ON CHANNEL TV FUNC TV VOL buttons CD TAPE DVD LD VCR MD operations STANDBY ON Chapter Track search lt Play lt lt Rewind gt Fast Forward m Pause Stop Play Number Surround setting buttons TEST TONE When turned ON while in DOLBY PRO LOGIC volume balance adjustment signals are out put in order from the speakers and can
7. adjusted REAR LEVEL Adjusts the rear level CENTER MODE Switches the center mode CENTER LEVEL Adjusts the center level DELAY TIME Use to set the delay time SFC MODE button Use to switch the SFC mode MUTING button Press to mute the volume MASTER VOLUME button Use to adjust the volume STEREO button Use to playback sound without DOLBY PRO LOGIC and SFC MODE LOUDNESS button When LOUDNESS is turned ON at a small volume the low frequency and high frequency levels increase enabling the sound to be easier to hear 8 2 SPECIFICATIONS Continous Power Output FIODE iet 50 W 50 W 1kHz 0 9 8 OSA lE ice contre denis 50 W 1kHz 0 9 8 SUMONO 50 W 1 2 0 9 8 Input Sensitivity Impedance CD VORU TM 200 mV 47 Frequency Response CD VCR TV 5 Hz to 100 000 Hz dB Output Level Impedance sete Ne a eee 200 mV 2 2 Tone Control 12 dB 100 Hz TREBLE 12 dB 10 kHz LOUNDNESS 5 dB 4 dB 100 Hz 10 kHz Signal to Noise Ratio IHF short circuited A network CD VORULTM 70 dB Measured pursuant to the Federal Trade Commission s Trade Regulation rule on Power Output Claims for Amplifier Measured by Audio Spectrum Analyzer FM Tuner Section Frequency Range
8. Also test with plug reversed Service Manual may be obtained at a nominal charge from Using AC adapter plug as required Leakage Test VSX 108 2 EXPLODED VIEWS AND PARTS LIST NOTES 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 Screws adjacent to mark on the product are used for disassembly 2 1 PACKING PACKING PARTS LIST Mark No Description Part No 1 Loop Antenna 015821000015 2 Antenna 064100010035 3 Operating Instructions 152010801297 English 4 Polyform L 14901081000S 5 Polyform R 14901082000S 6 Remote Control Unit 182010800015 7 Carton 153010820297 8 4 20 150040112105 9 Poly Bag 10 x 15 15010015510S 10 Poly Bag 20 x 26 15020026510S NSP 11 RCA Cable NSP 12 Dry Cell Battery LR6 AA NSP 13 Warranty Card VSX 108 25 23 2 2 EXTERIOR 25 Bottom Cover EXTERIOR PARTS LIST Mark No Description Part No NSP 1 TUNER PCB AZW7259 Circuit Parts Assy NSP 2 MAIN PCB AZW7259 Circuit Parts Assy NSP 3 PHONE PCB AZW7259 Circuit Parts Assy NSP 4 O P PCB AZW7259 Circuit Parts Assy NSP 5 PCB AZW7259 Circuit Parts Ass
9. ET 007 E f M ca AM 01500393 001 HE ext C108 1 1 0 01 2 39MH 2 10 S ru Al R128 Za 1 14 50 58 4 C6 TP4 TP3 pau 103 02800450 000 IC102 00201838 040 LA1838 0 GM74A 02810700 025 RIH 270 R133 10K 8 VSX 108 D TUNER AUDIO SIGNAL ROUTE L ch NG AM SIGNAL ROUTE FM Wy FM SIGNAL ROUTE 185133 CN102 02520005 205 TUNER R TUNER L 201 5V 9V CN701A 02520012 202 IF REQ MONO jea 50 ST IND E t cv 7o DO O 0 0 0 O0 o D Q AM SIGNAL GND AM FM IF H Yo FM SIGNAL t CN708 8 0 0 0 0 0 0 2 3 1 6 13 0 2 3 1 6 0 5 0 4 0 0 0 0 25 0 0 3 8 3 8 3 8 4 2 4 0 3 8 7 8 0 12 0 12 0 12 0 3 8 2 0 3 8 2 2 8 1 2 3 4 VSX 108 3 3 MAIN PCB 1 2 1 2 main pce Or A 102 Ta 5 R258 58 Sar 92999 CN201 4 4 45 MSS
10. ab 5 6 fai E s 7 swat SW15 lt oo as 0703 Q704 1C703 1C702 DEE 1 2 VSX 108 8 7 CN7 Eee Yir ENS ar UL 0702 0701 1C701 Q714 Q711 Q713 VSX 108 5 PCB PARTS LIST NOTES 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 When ordering resistors first convert resistance values into code form as shown in the following examples 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 5600 19650 10 RDI 4PU 1511611117 47k gt HINTO ES 2473 manie RDI1 4PU 4 7 131J 0 50 Do 51 eee RE anan NANG Bc RE RH RN2H R 5 0 K 10 IROG naga GR NAAN bane tus 1 0 Ex 2 When there are 3 effective digits such high precision metal film resistors 5 6260 562 10 5621 RNIAPC 51612 F Mark Description Part No Mark No Description Part No D8010 D8020 MTZJ13B
11. uw JACK6 EE 10202 04610400 006 1 cwm ANS B fi o RN 01500080 006 C m 22 ANTI pag m Ca Th E ET dE C365 cass 04620800 001 fase R264 C 407 2 0 0470 R304 sek R343 NAA o t 40 JE vu MA SPJACK2 w c280 5 28 00302575 040 5 R507 3 F x 0207 tw n EN o 3 tom tha tt 555 G j R27 9 AAA SAW 1204 pan 20K R275 R277 R308 4 1 5 5 205 56K me 56K s 0 22 sw 01500030 006 ERG m EN STK407 070 Su M Lua AL 6386 0208 e D 470 0 47 a 2 5 S Ar T Hat Le 43 kas 155133 10K E E m R323 e 0207 Q205 Q211 155133 0210 00310586046 wi iu wu 0209 202 00494001 300 gt De 0208 50 00206458 040 NIO LA6458S Wy TUNER AUDIO SIGNAL ROUTE L ch 2x 5 Bp AUDIO SIGNAL ROUTE L ch tou C B AUDIO SIGNAL ROUTE Center S B AUDIO SIGNAL ROUTE Surround The power supply is shown with the marked box B12 5 6 7 8 gt 1 VSX 108 3 4 MAIN 2 2 and PHONE PCBS 12 12 2 92 2 main pce The power supply is shown with the marked box AC3 8V 00301134 049 C809 25V lt 70807 MTZJ4 7B R809 4 7K C810 2803 Deedee 0 00470 100 24 Ea REM sen 502k 7 00400004 300 1 3 551 C81
12. AM IFT OH 827539 CAPACITORS C235 C242 C715 C717 C121 C124 C127 C130 C131 C136 C165 C711 C818 C813 C819 C823 C110 C3 133 226 233 281 282 C378 C704 C709 C710 C712 C714 C111 C101 C103 C105 C120 C126 C106 C225 C234 C713 C250 C251 C260 C261 C810 C812 02041100 004 06500224 002 01500030 006 01500102 001 01500393 001 01705037 350 01706036 350 01710205 100 02800450 000 02810700 009 02810700 025 02876108 002 01620360 023 01621032 104 01627539 032 01627580 041 00610101 250 00610102 550 00610102 550 00610103 301 00610103 503 00610103 550 00610104 550 00610104 550 00610104 550 00610201 250 00610203 550 00610221 250 00610224 550 00610471 250 00610472 550 Mark Description Part No C1 C10 C107 C11 C134 C135 C137 C139 C141 C16 C809 C9 C104 C216 C128 C252 C253 C262 C263 C132 C125 C129 C166 C207 C208 C214 C215 C701 C702 C164 C201 C203 C205 C206 C209 213 220 221 255 257 265 267 279 204 C222 C223 C357 C360 C218 C113 C114 C211 C217 C256 C264 C266 C228 C231 C227 C232 C210 C212 C815 C816 C703 C278 C312 C314 C322 C324 C351 C352 C112 C268 C269 C331 C334 C340 C341 C372 C373 C382 C383 C391 C4 C6 C140 C307 C802 C803 C371 C374 C381 C384 C801 C814 C293 C116 C117 C12 C142 C8 C109 C335 C338 C348 C365 C367 C817 C337 C339 C343 C345 C2 C108 C358 C359 C708 C308 C350 C375 C377 C385 C386 C705 C824 C138 C804 C806 C808 C392
13. METER Y AM FM IF BUFF 2 TUNING STEREO DRIVE DRIVE S METER 5 5 26 Pin Function Function FM IF input AM MIX output FM IF input by pass AM IF input VSX 108 Host amp input output GND TU LED MPX output ST LED and AM IF output input Power supply pin FM demodulation output FM detector AM detection output Connection pin of AM narrow Band pass C F AM FM S meter output AFC AM S meter output and AM SD sensitivity adjustment AM input AM FM IF buffer output and output control SW mute SW REG Phase comparator Low pass filter Switch the FM AM OSC Pilot detector Low pass filter Forced monoral VCO stop OSC buffer output and FM SD sensitivity adjustment ll 00206458 040 LA6458S MAIN PCB 12202 12208 Dual Operational Amplifier IC Block Diagram 1 2 3 4 5 6 7 8 9 Vcc VouT1 VIN1 VIN1 VEE VIN2 VIN2 Vour2 Vcc 27 VSX 108 00201041 040 LV1041M MAIN PCB 12201 Dolby Pro Logic Decoder Block Diagram R BPF2 R BPF1 S DC CUT2 C DC CUT R DC CUT LeDC CUT VREF Vcc1 C OUT S OUT R OUT L OUT AC GND L IN R IN S IN DELAY OUT C VOL IN DET REF R OUT R NF L NF L O
14. MUTE 63 pce 8172 927 702 00202879 040 BU2879AK FL Driver IC V1 FL TUBE 04991693 001 703 06104421 000 8 VSX 108 Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST NOTE FOR FUSE REPLACEMENT CAUTION CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY AUDIO SIGNAL ROUTE SA E ida PHONE PCB 5 407 070 2 AF Power Amp CN14A V D Ya i PHONES Xo L SP x R ST SP OFF Q201 Q204 Jack 5 MUTING ewe FRONT Jack 6 1 2 202 R 00206458 040 LA6458S Dual Operational Amp Gack E aci 0209 0211 gt 14 gt 7 oo SN SURROUND k7 m 7 070 2ch e SEE Amp DRIVER Pw sw 02041 100 004 PS1 05005020402S A POWER F801 Wi W2 4 250 w3 LIVE Ka 13 La 823 R821 0 01 250V 120 1W 1 Ey AC120V wal 60Hz ee R820 0804 PCB SMS 9v TRANSFORMER 01801088522S SOHO 8
15. 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 fast operating fuse and or gt slow operating fuse on PCB indicate that replacement parts must be of identical designation REMARQUE POUR MODELE CANADIEN SEULEMENT Les symboles de fusible fusible de type rapide et ou fusible de type lent sur CCI indiquent que les pi ces de remplacement doivent avoir la m me d signation FOR USA MODEL ONLY 1 SAFETY PRECAUTIONS 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 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 2 PRODUCT SAFE
16. 31 VSX 108 00202879 040 BU2879AK DISPLAY PCB IC702 FL Driver IC for VTR Block Diagram Pin Function 16 bit Latch Vss KEY Data Latch 4x6 16 bit x 15 word Display Data RAM Function General purpose input Input data is able to transfer to the microcomputer with serial S12 G15 S16 G11 9 10 11 OSC VDD Grid Driver 0610 01 32 37 39 42 Function Output for segment Output is P ch open drain and pull down resistor S12 G15 Output for segment and grid Output is P ch open drain and pull down resistor Serial data output from upper bit Output is N ch open drain Power supply 2 Connect a pull down resistor of FLD driver ouput Serial data input from upper bit Connect to system GND 13 G14 14 G13 Serial clock input at rising edge 15 G12 Serial chip select L serial initialize H effective Key scan data input S16 G11 Power supply pin 1 Connect to system power Output for segment Output is P ch open drain and pull down resistor Output for segment and grid Output is P ch open drain and pull down resistor Output for grid Output is P ch open drain and pull down resistor Power supply pin 1 Connect to system power Output for grid Output is P ch open drain and pull down resistor Connect to system GND
17. 6309 103 02520002 203 02520003 206 02520005 203 02520005 205 02520005 301 02520006 204 02520007 203 02520010 202 02520013 202 04610400 012 04610600 001 04620100 009 04620400 003 04991693 001 05020307 701 CRYSTAL RESONATOR 05204500 000 Other Resistors OTHERS ROTARY ENCODER MINI JACK JA301 HEADPHONE JACK CN2 2P WAFER V TYPE CN208 3P WAFER V TYPE CN207 5P WAFER V TYPE CN201 SOCKET 5P CN102 5P RIGHT ANGLE CN14 6P WAFER V TYPE CN7 7P WAFER V TYPE CN701 10P WAFER V TYPE CN6 13P WAFER V TYPE 7 SPEAKER TERMINAL JA6 SPEAKER TERMINAL 1P PIN JACK RCA JACK YKC21 3034 V1 FL TUBE FU1 FU2 PROTECTOR 7A X701 4 5MHz X1 CRYSTAL RESONATOR 05208000 000 8 2 23 VSX 108 6 ADJUSTMENT 6 1 TUNER SECTION 6 1 1 AM IF ADJUSTMENT 0 01U STEP RADIO ADJUST SETTING MENT AM IF 1 1450 T104 ADJUST FOR BEST IF WAVE FORM 450 KHz WAVE FORM Fig 1 6 1 2 FM IF ADJUSTMENT 300PF BAND STEP RADIO ADJUST SETTING MENT FM IF 10 7MHz T103 ADJUST FOR BEST IF WAVE FORM amp S CURVE 6 1 3 TUNING FREQUENCY RANGE ADJUSTMENTS FM AM DC Voltmeter Connect to TP1 and GND WAVE FORM MHZ Fig 2 DC EVM ADJUSTMENT CHECK 8 0 2V Fig 3 24 6 1 4 AM TRACKING ADJUSTMENT Signal Generator VSX 108 Connects to the AM ANT Coil through the Loop Antenna Adjustment for the indicat
18. 8 ES 0 1U 100V 25 OD ej R804 ds 0804 820 la MTZJ6 8B SIGNAL GND CJ B EJ 00301667 048 25 1167 9V a GULANG 819 6820 0 1U 200V 0 1U 200V 2e a el 531581 EET DBF40C 2 o2 an 5 E POWER GND o gt ow lt gt Os De 7 2 ma 2 z gt ng ee 00 C821 2 95 9v a 0 1U 200V 25 00300608 045 M 25 608 c812 2 0 0047U Ba AC 207 1 9V CT LA 5 207 16 5V 9 cN208A 208 14 7 8 VSX 108 Bp AUDIO SIGNAL ROUTE L ch e PHONE pce N14A 9 0 ee R 1 ce AW o PHONES 5 7 9 GND 3 oo L SP 21 R ST 5 SP OFF 6 22 9 1 VSX 108 3 5 DISPLAY PCB V1 04991693 001 9 MT 169GK 702 00202879 040 BU2879AK 01500102 001 155135 1701 imH D704 _ 1 S 712 C71 0 220 OW 6721 5 0 4700 C725 0712200 ou O gt x Fee O Lk 00 25 g sun swio sws 544 26 SEC DOLBY C R TES
19. C805 C721 C301 C306 C311 C313 C315 C316 C321 C323 C325 C326 C336 C342 C344 C346 C354 C356 C361 C363 C379 C368 C143 C347 C349 C353 C355 C362 C364 TC101 00610473 550 00610473 550 00610473 550 00610561 250 00610681 250 00620030 250 00620150 250 00620180 250 00620300 250 00620300 250 00620500 250 00700104 450 00700104 450 00700104 450 00700153 450 00700154 450 00700223 450 00700273 450 00700332 450 00700473 450 00700682 450 00700683 450 00700823 450 00910688 450 04720224 505 CEANP100M50 CEANP4R7M35 CEANP4R7M35 100 50 100 50 100 50 101 10 101 16 101 35 101 35 102 10 50 220 50 221 10 222 25 CEAT2R2M50 CEAT330M16 CEAT3R3M50 CEAT470M10 CEAT470M10 CEAT470M25 CEAT470M35 CEAT471M10 CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEATR33M50 CEATR47M50 CEATR47M50 01410200 003 Mark No Description VSX 108 Part No RESISTORS R278 R279 R287 R289 R803 100 2W R808 2 20 1W R805 272 2W R294 R299 R307 R311 4 70 1 2W R293 R298 R304 R310 4 7 1 2W R801 56Q 2W R329 R340 820 2W R291 R297 R302 R308 0 220 5W R320 R321 330 2W 00510101 321 00510222 311 00510270 321 00510479 311 00510479 312 00510560 321 00510821 321 00520228 351 00520331 321 RD1 4PU 02081620 165 02113503 101 0212
20. LIST OF ASSEMBLIES MITZI 7B CIRCUIT PARTS ASSY AZW7259 08040 MTZJ6 8B NSP TUNER PCB 0105 0106 SVC201SPA NSP MAIN PCB NSP PHONE PCB Noe PCS SWITCHES AND RELAYS NSP PCB 51 510 519 52 02031100 163 NSP PW SW 520 523 526 527 529 02031100 163 NSP DISPLAY PCB 53 530 532 54 55 02031100 163 CIRCUIT PARTS ASSY SEMICONDUCTORS 22 IC201 IC102 IC702 IC202 IC208 IC203 IC701 IC703 01 IC204 IC205 0711 0713 Q104 Q402 Q701 Q702 Q103 Q401 Q804 Q101 Q801 Q803 Q102 Q105 Q107 Q201 Q204 Q802 Q205 Q213 Q714 Q703 Q704 D802 D803 D101 D102 0209 0211 0212 07010 07020 07030 01 0103 0104 0201 0208 0210 0701 0704 0714 0801 08050 08060 00201041 040 00201838 040 00202879 040 00206458 040 00262419 010 00272358 040 06104421 000 LA1186N STK407 070 00300144 142 00300536 046 00300608 045 00300715 041 00301134 049 00301667 048 00302999 044 00303576 040 00304485 049 00310536 046 DTA114ES DTA143ES DTC143ES 00400004 300 00400040 301 00400321 500 00494001 300 01912000 034 155133 155133 MTZJ10C 1001 RY1 RY2 COILS L202 L204 CHOKE COIL L701 CHOKE COIL 1MHz L101 BIAS TRAP COIL L102 FM COIL L104 FM COIL L201 CHOKE COIL F103 CERAMIC FILTER F101 F102 CERAMIC FILTER F104 CERAMIC DTS F1010 BPF GFWB3 TRANSFORMERS T102 OSC 7MM N00360 T101 AM ANT OH T103 FM IFT OH 827539 T104
21. Pioneer Service Manual AUDIO MULTI CHANNEL RECEIVER VSX 108 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S manna a ORDER Ca RRV2146 Type VSX 108 Power Requirement KUXCN O AC120V CONTENTS 1 SAFETY INFORMATION PAYAPA PAA PAA AA 2 7 GENERAL INFORMATION PAT PETTY PET 26 D EXPLODED VIEWS AND PARTS LIST 3 7 1 PARTS AYY AA AA AA 26 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 6 7 1 1 PAIT PP PPT APA AAP AA AAP PA 26 4 CONNECTION DIAGRAM M 17 7 1 2 DISPLAY PAT PT PET PET TPP PAYAPA PAA PAA AA AA 33 5 LIST 22 8 PANEL FACILITIES AND SPECIFICATIONS 35 6 ADJUSTMENT deesasssssusassasassesaanaasssaassesasneeaunaasuunas 24 PIONEER CORPORATION 4 1 Meguro 1 chome Meguro ku Tokyo 153 8654 Japan PIONEER ELECTRONICS SERVICE INC P O Box 1760 Long Beach CA 90801 1760 U S A PIONEER ELECTRONIC EUROPE N V Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 1999 T IZE OCT 1999 Printed in Japan VSX 108 1 SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified technicians have the necessary test equipment and tools and have
22. RIAS 4 gan R259 NW 46 6302 R252 me gt 8346 47K AAA R258 355103 251 VAN 5847 MK 4 gt 4 LC gt m R247 Bo 47K ER pi 2 5 C231 2x em 5NB Ts ip 407 635 Ba LRU x 6232 230 E Tuum co E NG 2 4 LI ES 5 0 EE 4 E R gt C304 R250 4K 8 12203 00262419 010 JACK2 ces 3 M62419 407 14K 515 9 me s5 ier I i 1 55 x 6325 Sepe 3 GU 228 525 2 2 ENG VCR 58 5 R220 s 0 C a C282 gt 472 L L 8238 220K R238 220K al CAS C24 C20 95 as NS ZAN 47N 680P 25 85 aS 5 352 812818128 4 C221 6220 ac C351 e350 549 i H 407 47 0 47U 4 TAL 3t5 05208000 000 1200 t353 am 0 470 C354 407 5355 0 470 47 357 6150 casa au 201 an 00201041 040 gt 223 LV1041M 9 150 E C360 0150 C361 407 0362 0 470 C363 07 5304 0470 331 ToU C332 C333 6334 C33 wu 22002200 8 VSX 108 t 2 m AC3 BV 707 2 Q213 n 203 00310536 046 CN1 GND 0212 OFF IN
23. T 57 L be LE E jit 1 i 1g Kt 5918 5417 5416 5015 414 5413 5412 sw3 LOUD STEREO VCR CD TY LEV LEv 30 4 9 VOD alsa 1 IC701 m Wan Sw21 Rara SW2 Glee ay TREB Pasa FM STA MEMO sa LC72358N oe Lee C 34 gt 1 gt gt il 35 5032 SW31 SW30 529 5927 5 26 swt 36 BAL R BAL L pes TU STA 7 T Lo Lee Lee 9 9 e 1 1 1 5 na 38 SW1 SW5 SW10 SW23 lt SW26 SW27 SW29 SW32 40 se SA 02031100 158 R713 2872 R711 d ad a dl 560 560 560 LED701 LED703 LED703 1 0702 0701 01912000 034 i 6 219 Q714 00300144 141 0713 0712 071 DTA114EL 0711 0713 gt gt 00300144 142 NAY 27 0732 R714 D714 DTC144EL iU 47K 155133 GND 14 1 2 3 4 DISPLAY SW1 MPX MODE SW2 MEMORY SWS LEVEL SW4 TEST MODE SW5 CENTER REAR SW10 00 DOLBY PRO LOGIC 50 11 SFC MODE SW12 LEVEL SW13 TV SW14 SW15 SW16 SW17 SW18 swig SW20 SW 1 SW22 CD AM VCR STEREO LOUDNESS STATION TUNING 55 SW23 SW26 SW27 swag SW30 SW31 SW32 TREBLE STATION TUNING 55 TREBLE BALANCE BALANCE 8 VSX 108 gt MUTE OVER SP OFF
24. T Q 2 2 Lu I T 2 T 2 5 2 O 8 O gt o Q Q O 4 20 Q D 5 9 9 9 5 O 9 5 a L BPF2 L BPF1 RT IN LT IN DC CUT C MODE GND1 NS BPF1 NS BPF2 OSC CLK DATA ENABLE DATA CLK ENABLE2 Vss OSC OSC A D NS D A DC CUT VSX 108 1C204 205 2 Channel Power Amplifier IC STK407 070 MAIN Block Diagram Pre Ch 1 2 4Vcc Vcc Ch 1 Ch 2 Vcc Pre Vcc Ch 1 Vcc 12203 Digital Sound Controller with Tone Control IC 00262419 010 M62419FP MAIN Block Diagram 2124146 2103135 21241435 INI H3QVJ ANOL V LOL LNI INOL LINO HLLV QNI 1103135 1103135 1104135 1199138 LAN 103135 LNI LNI 103135 AND viva 29 VSX 108 Pin Function DATA Function Control data input Inputs a data by synchronizing with CLOCK VREF Function Signal ground of IC Apply a 1 2 VCC GND Ground FRONT OUT2 Fader volume front output pin SELECT OUT1 Output pin of the input selec
25. TY NOTICE pipe conduit etc by connecting a leakage current tester such as Simpson Model 229 2 or equivalent between the 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 120V 60Hz outlet and turn the AC power switch on Any current measured must not exceed 0 5mA 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 A on the schematics and on the parts list Reading should in this Service Manual not pa above 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 this Service Manual may create shock fire or other hazards Test all exposed metal Product Safety is continuously under review and new surfaces instructions are issued from time to time For the latest information always consult the current PIONEER Service 1 Manual A subscription to or additional copies of
26. UT 28 O ul I I POS 5 t 9x E 5 5 5 E DC c hr gt gt gt gt gt gt 4 pa ET 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 1 64 2 RECTI 4 AW AM 63 VCS NE BPF 3 gt lt 62 RECT 4 9 61 5 lt 60 6 1 9 50ko A VOL ra 7 lt pute 1 vo 58 9 50K B V V V H CONT BFL CON 57 EO sp 9 CIRIM lt BO 55 gpg DEV sue oK B 1 oos 54 SW3 O SW5 12 4 50 579 DATA DECL_ 453 E w12 OA lt O de 2 gt losma 15 40swg Bo 2059 50 459 gt 1 BO 16 ppt T Pi 8 48 18 47 Bal B 19 SW13 Oswi4 46 V VDD 20 45 21 lt 44 NE SW 22 43 23 gt lt 42 24 41 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 N N LL LL E LL 2 u z 3
27. ion of VTVM of the wave form scope to be maximum Fig 4 6 1 5 FM TRACKING ADJUSTMENT Signal Generator FM SG Pin 23 Pin 24 T102 OSCILLOSCOPE FRE MAXIMUM T101 SENSITIVITY p MAXIMUM TC101 SENSITIVITY NU REPEAT STEP 1 AND 2 SEVERAL TIMES Connects to the FM ANT Jack FM IN through the OSCILLOSCOP ADJUST FOR 90 2 ADJUSTMENT MAXIMUM SENSITIVITY L102 FM TC101 T103 AM Pin 3 T101 TP2 IC101 L102 SIDE A Fig 6 Adjustment Point 25 VSX 108 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams eList of IC LA1186N 00201838 040 LA1838 00206458 040 LA6458S 00201041 040 LV1041M STK407 070 00262419 010 M62419FP 00272358 040 LC72358N 00202879 040 BU2879AK LA1186N TUNER 1C101 FM Front End Pin Arrangement Block Diagram ll 00201838 040 1838 TUNER IC102 AM FM IF 1 Chip Tuner IC Block Diagram 80 29 8 7 20 25 3rd 5th osc MIX RF AMP 1 sw AGC ES Tal FF TA PILOT COMP 304kHz 38k 19kZr o 19k20 DET M ET AM S
28. n of the tone control section LOUD IN2 Frequency characteristic setting pin of the loudness section FADER IN1 Input pin of the fader volume section VOL IN2 Input pin of the volume section REAR OUT1 Fader volume rear output pin SELECT OUT2 Output pin of the input selector switch section FRONT OUT1 Fader volume front output pin Digital power supply pin 30 Vcc Analog power supply pin CLOCK Clock input for serial data transfer 00272358 040 LC72358N DISPLAY PCB 1 PLL Controller Block Diagram XIN TEST2 SI0 PG3 SO0 PG2 SCK0 PG1 PGO 51 SO1 PF2 SCK1 PF1 PFO 12 SO2 PE2 SCK2 PE1 PEO PD3 PD2 PD1 PDO PC3 PC2 PC1 PCO PB3 PB2 AN O aA N m N a a na 2a 2n n au s N N a A N XOUT _ TEST1 ED1 202 Vvss _ FMIN AMIN _ VDD IC701 _ HOLD SUBPD ___ ED3 HCTR SNS _ PHO ADIO O PH1 ADI1 37 38 39 2 1 2 1 2 POI VSX 108 PH2 ADI2 PH3 ADI3 PIO ADI4 P11 ADI5 PJ2 PJ3 PKO INTO PK1 INT1 PK2 PLO PL1 PL2 PL3 PMO 1 2 1 2
29. t numbers in PCB diagrams match those in the schematic diagrams 2 A comparison between the main parts of PCB and schematic diagrams is shown below Transistor with resistor Field effect transistor Resistor array 3 The parts mounted on this PCB include all necessary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Connector Capacitor P C Board Chip Part SIDE Q102 IC101 0101 0103 0105 0106 IC102 0107 0104 4 VSX 108 SIDE A 17 1 VSX 108 4 2 MAIN and PHONE PCBS Q212 Q209 0211 Q203 Q204 204 Q205 Q201 Q202 IC205 Q208 Q207 Q213 208 IC203 Q206 IC201 IC202 Q402 Q401 0801 0804 MAIN J7 J5 J6 CN207A 8 VSX 108 e PHONE PCB 1 VSX 108 4 3 O P AC I P PW SW and DISPLAY PCBS 5 Hac nP PCB T1 POWER TRANSFORMER CN208 CN207 CASE GND DISPLAY PCB REAR RECEIVER LEVEL LEVEL wa OMC SW3 SW12 701 E 702 2 e MEMORY TUN MODEL boss 108 DISPLAY BD SC 0 0 Swe O SG O Va rod J707 VE MPX STA TUN
30. tor switch section REAR OUT2 Fader volume rear output pin VOL IN1 Input pin of the volume section FADER OUT2 Input pin of the fader volume section LOUD IN1 Frequency characteristic setting pin of the loudness section TONE OUT2 Output pin of the tone control section SELECT NF1 Adjust each input gain by a resistor which is connected between this pin and SELECT OUT pin and the resistor which is added to INA to IND SELECT1 INA SELECT1 INB SELECT1 INC SELECT1 IND input pins of the input selector switch section 2 2 Frequency characteristic setting pin of the 2 tone control section TONE IN2 Input pin of the tone control section OUT2 Output pin of the volume section later stage ATTF OUT1 Output pin of the volume section first stage ATTF OUT2 Output pin of the volume section first stage ATTR OUT1 Output pin of the volume section later stage SELECT2 IND TONE IN1 Input pin of the tone control section SELECT2 INC TC1B TC1C Frequency characteristic setting pin of the tone control section SELECT2 INB SELECT2 INA CH2 input pin of the input selector switch section SELECT NF2 Adjust each input gain by a resistor which is connected between this pin and SELECT OUT pin and the resistor which is added to INA to IND TONE OUT1 Output pi
31. utton Use to switch the auto stereo monaural mode for receiving FM broadcasts case of STEREO indicator is not turn on because broadcast signal is too weak sound is monaural automatically MEMORY button STATION button Use to select the station number when operating the tuner TUNING button Use to select the frequency when operating the tuner FUNCTION buttons TONE BASS TREBLE LEVEL button Use to adjust tone level BALANCE L R button Use to adjust volume balance 35 VSX 108 aie o3 CC 00 EGER CN a she ae E O C C3 CC 9e O O o SSINONOT be SSINONOT 034318 34S O O O 21907 OHd 00 uvau 3NOL 24S H31N3O 1631 90 XSA H3SAIBOSH TENNVHO LINW JooUO cJ 36 VSX 108 Display NA NA NA NA NA NA Na Na MONO UM UM UN UM UM UM UN DL ERU D TUNER indicator 2 CHARACTER display MONO Lights when the monaural mode is set using the MPX MODE button TUNED Lights when broadcasts are being received STEREO Lights when stereo broadcasts are received during auto stereo mode When use packed speaker system Subwoofer Light blue linet INPUT Dark blue line Yellow line Rear right speaker Rear left speaker Green line
32. y NSP 6 PW SW PCB AZW7259 Circuit Parts Assy NSP 7 DISPLAY PCB AZW7259 Circuit Parts Assy 8 9 AC Cord Stopper 13000000001S 10 Display Lens 11701080101S 11 Volume Knob 12701081010S 12 Front Panel 108010800105 13 Front Cabinet 10101080001 14 Power Button 12801080001S 15 Function Button 12801082001S 16 17 Mounting Bracket A 12901089000S 18 Mounting Bracket B 12901089100S 19 PCB Holder 13001082000S 20 Mounting Holder 13301082310S 21 Mounting Bracket 13301083310S 22 Insullator 13821007010S 23 Top Cover 18001083010S 24 Rear Cover 18001085101S 25 Screw BBZ30P080FZK 26 Screw BBZ30P100FZK 27 Screw FBT40P080FZK 28 Screw 144530162025 29 Power transformar AC120V 018010885225 A 30 AC Power Cord 02360040009S A 31 Fuse F801 4A 250V 050050204025 5 32 Metal Washer 5 33 Mounting Bracket NSP 34 Heatsink Mounting Bracket VSX 108 1 VSX 108 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM OVERALL WIRING DIAGRAM AC AC P and PW SW PCBS IC203 00262419 010 M62419 gal runer oip FM FM ANTENNA AM AM ANTENNA gt Digital Sound Controller IC101 TUNER AT186N 01608 0 TUNERE FM FRONT END KEEN 45V TUNING SELECTOR DATA 50 61 Dolby Pro Logic Decoder 1701 00272358 040 LC72358N Control

VSX-108

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