Soundstream Technologies DaVinchi free download

File name AMPLIFIERS1-4CH.pdf

CHANNEL 2 OUTPUT J302 Channel 2 Amplifier PCB # 550-102 Front End PCB 1.33k 1k 976 49.9 D301 1N914 C302 .047uF R302 12.1k 1N914 2SA1479 R304 32.4 R306 750 D303 1N914 + 10k C303 47uF 16V 2SC3381 .1uF C304 47uF 16V + 10k Q302 MPS8099 100V R309 100 R311 .39 5W R313 .39 5W 1N914 2SA1479 56pF Q304 TIP102 Q306 TIP102 Channel 1 Amplifier PCB # 550-102 Front End PCB 1.33k 1k 976 49.9 D351 1N914 C352 .047uF R352 12.1k 100V Q352 MPS8099 Q354 TIP102 Q356 TIP102 SCREW TERMINAL + 27V J303 SCREW TERMINAL R359 100 R354 32.4 R356 750 D353 1N914 56pF R361 .39 5W R363 .39 5W + C353 47uF 16V CHANNEL 1 OUTPUT J351 SCREW TERMINAL 2SC3381 10k 56pF NPO 75 75 MPSA92 Q301 MPSA14 R307 3.32k D304 IN914 R312 .39 5W R310 100 C306 .1uF Mylar R314 .39 5W R315 5.1 1/2W 10k 56pF NPO 75 75 MPSA92 .1uF Q351 MPSA14 C354 47uF 16V + R357 3.32k D354 IN914 R362 .39 5W R360 100 C356 .1uF Mylar Q355 TIP107 Q357 TIP107 R364 .39 5W R365 5.1 1/2W J352 56pF 2SC3789 C301 100uF 16V R301 1k 464 1.33k 49.9 R303 19.1k Q303 + R305 32.4 56pF 2SC3789 C351 100uF 16V R351 1k 464 1.33k 49.9 R353 19.1k Q353 + 1.33k 1k 75 75 56pF 2SC3789 C451 100uF 16V R451 1k 464 1.33k 49.9 R453 19.1k Q453 + 150k MPSA18 R308 750 R355 32.4 150k MPSA18 R358 750 SCREW TERMINAL MPS8599 C305 .047uF 100V MPS8599 C355 .047uF 100V + 22uF 16V 15k + Q305 TIP107 Q307 TIP107 22uF 16V 15k D302 1N914 D352 1N914 J301 7 6 5 4 3 2 1 - 27V CHANNEL 4 OUTPUT J401 Channel 4 Amplifier PCB # 550-102 Front End PCB 1.33k 1k 976 49.9 D401 1N914 C402 .047uF R402 12.1k 1N914 2SA1479 56pF + 10k C403 47uF 16V 2SC3381 .1uF C404 47uF 16V 10k R404 32.4 R406 750 D403 1N914 Q402 MPS8099 100V R409 100 R411 .39 5W R413 .39 5W 1N914 2SA1479 56pF Q404 TIP102 Q406 TIP102 Channel 3 Amplifier PCB # 550-102 Front End PCB 976 49.9 D451 1N914 C452 .047uF R452 12.1k Q452 MPS8099 100V R459 100 R454 32.4 R456 750 D453 1N914 + C453 47uF 16V R461 .39 5W R463 .39 5W Q454 TIP102 Q456 TIP102 SCREW TERMINAL + 27V J402 SCREW TERMINAL CHANNEL 3 OUTPUT J451 SCREW TERMINAL 2SC3381 10k 56pF 75 75 MPSA92 Q401 MPSA14 + R407 3.32k D404 IN914 R412 .39 5W R410 100 C406 .1uF Mylar R414 .39 5W R415 5.1 1/2W 10k 56pF NPO MPSA92 .1uF Q451 MPSA14 C454 47uF 16V + R457 3.32k D454 IN914 R462 .39 5W R460 100 C456 .1uF Mylar Q455 TIP107 Q457 TIP107 R464 .39 5W R465 5.1 1/2W J452 56pF 2SC3789 C401 100uF 16V R401 1k 464 1.33k 49.9 R403 19.1k Q403 + R405 32.4 150k MPSA18 R408 750 R455 32.4 150k MPSA18 R458 750 SCREW TERMINAL MPS8599 C405 .047uF 100V MPS8599 C455 .047uF 100V + 22uF 16V 15k + Q405 TIP107 Q407 TIP107 22uF 16V 15k D402 1N914 D452 1N914 - 27V + 27V FE Mute Control Line PC 1 Page 1 Battery Ground - 27V PC 5 Page 1 - 27V PC 2 Page 1 from R901 PC 4 Page 1 +27V PC 6 Page 1 to D957 PC 3 Page 1 from Q956 Soundstream Technologies 120 Blue Ravine Road, Folsom, CA 95630 Title DaVinci Main PCB, Amplifiers 1 trough 4 Size Date: Document Number Rev PCB # 540-736 Wednesday, January 12, 2000 Sheet 4 of 6

File name AMPLIFIERS5-7CH.pdf

CHANNEL 6 OUTPUT J601 Channel 6 Amplifier PCB # 550-102 Front End PCB 1.33k 1k 976 49.9 D601 1N914 C603 .1uF R604 12.1k 1N914 2SA1479 56pF C601 100uF 16V 2SC3381 + + 10k C651 100uF 16V + 56pF NPO C604 47uF 16V 2SC3381 .1uF C605 47uF 16V + 10k R606 49.9 R606 1k D603 1N914 Q602 MPS8099 Mylar R609 100 R611 .47 5W R613 .47 5W R615 .47 5W R617 .47 5W 1N914 2SA1479 56pF Q604 TIP102 Q606 TIP102 Q608 TIP102 Q610 TIP102 Channel 5 Amplifier PCB # 550-102 Front End PCB 1.33k 1k 976 49.9 D651 1N914 C653 .1uF R654 12.1k Mylar Q652 MPS8099 Q654 TIP102 Q656 TIP102 Q658 TIP102 Q660 TIP102 SCREW TERMINAL + 39V J602 SCREW TERMINAL R661 100 R656 49.9 R658 1k D653 1N914 R664 .47 5W R666 .47 5W R668 .47 5W R670 .47 5W + R601 1.4k C654 47uF 16V CHANNEL 5 OUTPUT J651 SCREW TERMINAL R602 3.48k 10k 56pF NPO 75 75 MPSA92 Q601 MPSA14 R607 2.74k D604 IN914 R612 .47 5W R610 100 C607 .1uF Mylar R614 .47 5W R616 .47 5W R618 .47 5W R619 5.1 1/2W 10k 75 75 MPSA92 .1uF Q651 MPSA14 C655 47uF 16V + R659 2.74k D654 IN914 R665 .47 5W R662 100 C657 .1uF Mylar Q655 TIP107 Q657 TIP107 Q659 TIP107 Q661 TIP107 R667 .47 5W R669 .47 5W R671 .47 5W R672 5.1 1/2W J652 56pF 2SC3789 C602 100uF 16V R603 1k 464 1.33k 49.9 R605 19.1k Q603 + R607 49.9 56pF 2SC3789 C652 47uF 16V R653 1k 464 1.33k 49.9 R655 19.1k Q653 + Q708 TIP142T 150k MPSA18 R608 1k R657 49.9 150k MPSA18 R660 1k SCREW TERMINAL MPS8599 C606 .1uF Mylar MPS8599 C656 .1uF Mylar + 22uF 16V 15k + Q605 TIP107 Q607 TIP107 Q609 TIP107 Q611 TIP107 22uF 16V 15k D602 1N914 D652 1N914 - 39V R651 1.4k R652 3.48k + 39V PC 17 From page1 +39V C831 - 39V PC 18 From page 1 -39V C829 + 47V J701 1 2SA1479 2 1N914 56pF 3 MPSA92 2 6 R708 .47 3W R710 .47 3W R712 .47 3W R714 .47 3W R716 .47 3W R718 .47 3W R720 .47 3W R722 .47 3W PCB # 550-102 Front End PCB 1.33k 1k 976 49.9 Q704 TIP142T Q706 TIP142T Q710 TIP142T Q712 TIP142T Q714 TIP142T Q716 TIP142T Q718 TIP142T + 47V PC 19 From page 1 +47V C919 - 47V PC 20 From page 1 -47V C920 .1uF R705 12.1k + 4 R701 1k 2SC3381 C701 220uF 16V 3 10k 56pF NPO 1 Sub 4 5 C702 + 220uF 16V 7 J702 10k Q703 MPSA14 75 R706 19.1k 56pF R715 .47 3W SCREW TERMINAL J703 R709 .47 3W R711 .47 3W R713 .47 3W R717 .47 3W R719 .47 3W R721 .47 3W R723 .47 3W R724 5.1 1/2W SCREW TERMINAL 5 75 6 FE Mute Control Line 150k R703 1k 2SC3789 Q705 TIP147T Q707 TIP147T Q709 TIP147T Q711 TIP147T Q713 TIP147T Q715 TIP147T Q717 TIP147T Q719 TIP147T 7 C703 .1uF Mylar MPSA18 1.33k + 22uF 16V 15k 464 49.9 R725 2.21k - 47V PC 15 Page 1 to Q953 PC 11 Page 1 from U951 pin 7 PC 12 Page 1 +16.8V PC 13 Page 1 -16.8V PC 14 Page 1 from Q956 PC 16 Page 1 to R962 120 Blue Ravine Road. Folsom, CA 95630 Title Soundstream Technologies Rev DaVinci Main PCB, Amplifier 5 through 7 Size Date: Document Number PCB # 540-736 Wednesday, January 12, 2000 Sheet 5 of 6 D

File name Control 1 _ CONTROL 1.pdf

Local / Remote Switch S100 R100 10k U100A TL074 3 2 Subwoofer X-Over Switch C101 .015uF S101 2% Mylar 5 BP U100B TL074 + R101 10k 1 30-120Hz + R112 27.4k 7 R107 200k R108 66.5k R109 200k C102 .015uF 2% Mylar R110 66.5k C104 .015uF 2% Mylar 10 9 U100C TL074 R111 8 1.58k R116 27.4k R120 47.5k U101A TL074 + 1 C120 C122 C121 C123 R113 1.1k 13 12 U100D TL074 5 14 6 U101B TL074 R106 825 HP C100 120pF NPO 17-60Hz R118 22.1k C106 C107 10 .12uF Mylar R122 10k .12uF Mylar R121 22.1k 9 R119 121k R102 200k R115 100k R103 66.5k R104 200k R105 66.5k C103 .015uF 2% Mylar 6 + - + - + - 7 R114 1.58k R117 47.5k C105 + 16.8V - 16.8V + - 8 BYPASS U101C TL074 R123 6.49k 12 U101D TL074 R124 R125 470pF NPO 3 2 38.3k 38.3k C108 1nF NPO S102 AIRBASS 14 C110 + C109 2.2uF 16V .1uF MC .1uF MC .1uF MC .1uF MC + R130 10k R126 121k 13 R127 3.92k R131 R128 47.5k 2.2uF 16V R129 100k 6.49k R132 6.49k R133 10kB - 16.8V + 16.8V Input Overload Indicators D100 O/L Red D101 O/L Red D102 O/L Red D103 O/L Red D104 O/L Red D105 O/L Red D106 O/L Red D107 Green AUTO HC D108 Red D109 Yellow R134 2.21k SUB CH Q100 MPSA14 R135 2.21k D110 1N914 Q101 MPSA14 CH1 D111 1N914 R136 2.21k CH2 Q102 MPSA14 R137 2.21k D112 1N914 Q103 MPSA14 CH3 D113 1N914 R138 2.21k CH4 Q104 MPSA14 D114 1N914 R139 2.21k Q105 MPSA14 CH5 R140 2.21k D115 1N914 Q106 MPSA14 CH6 D116 1N914 C111 .47uF MC R141 100k R148 1.82k C112 .47uF MC R142 100k R149 1.82k C113 .47uF MC R143 100k R150 1.82k C114 .47uF MC R144 100k R151 1.82k C115 .47uF MC R145 100k R152 C116 .47uF MC R146 100k R153 1.82k C117 .47uF MC R147 100k R154 1.82k 1.82k R156 9.09k R157 9.09k R158 9.09k R159 9.09k R160 9.09k R161 9.09k R162 9.09k HIGH POWER FAULT LED Illumination Switch S104 J101 2 1 J103 20 + Airbass Connection J104 5 4 3 2 1 Rear De-Emphasis Switch S103 C118 .027uF Mylar C119 + 16.8V .027uF Mylar - 16.8V 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Soundstream Technologies 120 Blue Ravine Road, Folsom, CA 95630 Title DaVinci Control 1 Size C Date: Document Number Rev PCB # 540-7361 Saturday, June 12, 1999 Sheet D 2 of 6

File name Control 2 _ CONTROL 2.pdf

HDR1 20 J201 20 19 19 C201 47uF 60-240Hz 16V R201 1k 3 CONTROL 2 PCB 540-7362 R203 15k R206 U202C TL074 15k R209 2 15k 3 R212 R211 9.09k R230 10.2k C203 .022uF R221 15k R207 C204 .022uF 15k R208 15k 6 5 R223 8.25k R224 25k lin C209 .005uF C210 .005uF 3 J202 RB202A,B 18 + 18 CHANNEL 1 U201A NE5532 2 R204 50k lin C205 C206 R202 17.4k CHANNEL 2 10 9 1 U206C TL074 + _ C207 R205 + 1k 8 C202 47uF 2 R232 10.2k 16V +16.8V -16.8V U205C TL074 3 C214 1nF R231 100k lin R233 9.09k R234 9.09k U205A TL074 1 10 NPO 2 CHANNEL 1 3 12 1 4 + 13 R235 TO J203, 6 10k AP1 ALL PASS S201 U206D TL074 + C215 120pF 14 TO J203, 20 HP1 HIGH PASS LHP1 5 S202B C216 4.7uF 6 2 R236 NPO R237 10k R239 HHP1 R240 TO J203, 6 C218 47uF + 10k R241 7 17.4k R244 U201B NE5532 R243 50k lin C221 C222 12 .027uF R254 1k + C225 1nF C227 47uF R259 1k R262 1k C229 1nF R266 100k lin R269 9.09k R271 9.09k .027uF 13 R255 34.8k U202D TL074 15k R248 15k R250 5 C219 .022uF R246 C220 .022uF 15k R249 R251 15k 15k 2 3 R260 8.25k R261 25k lin C223 .005uF C224 .005uF 8 10k log R238 60-240Hz 50V 866 3.57k + 16 16 16V R245 1k CHANNEL 2 5 CHANNEL 3 R247 10k log 5 6 INPUT PCB 540-7363 15 R270 10.2k 16V U205D TL074 5 U205B TL074 NPO S202C R272 10k 5 REMOTE R274 C230 47uF TO J203, 6 10k R276 17.4k U208A 3 J2 7 6 5 4 3 2 1 R281 1k 2 C236 1nF C237 47uF R278 50k lin C233 C234 3 .027uF .027uF 2 ALL PASS HIGH PASS S206 14 + NE5532 SUB AMP SUMMING + _ R286 1k C238 1nF 1 U209A TL074 + _ S202D 1 13 + 13 R283 1k 5% Mylar 5% Mylar R282 34.8k 2 R287 100k lin 3 NPO 16V 1 U202A TL074 NPO R288 C239 47uF TO J203, 6 10k R289 17.4k U208B NE5532 5 6 R292 1k C242 1nF C243 47uF 12 + 12 16V R291 1k + C240 C241 12 7 .027uF .027uF U209D TL074 5 R295 1k C244 1nF + - 14 13 R293 34.8k 11 + 11 R294 1k 5% Mylar 5% Mylar NPO 10 J3 7 6 5 4 3 2 1 10 6 5 NPO C246 47uF CHANNEL 5 R297 3 1k 2 R301 1k 9 + 9 16V U210A NE5532 1 + _ R300 1k C250 1nF 8 + 8 R302 1k C252 1nF R331` R332 R333 R334 R335 R336 R303 C251 47uF NPO 16V NPO C254 47uF CHANNEL 6 R310 1k 5 6 + USED AS BALLAST FOR POT SHAFT-- CAN BE ANY VALUE U210B NE5532 7 16V + R313 1k C258 1nF R311 1k C256 1nF 7 + 7 R312 1k C257 47uF NPO 16V J4 7 6 5 4 3 2 1 NPO 6 6 R316 10k SUB CHANNEL R319 C263 10uF U211A TL072 + R321 5 5 16V 3 2 10k + _ R328 4.02k 1 4 4 + R327 10k C264 3 3 R330 10k 16V R329 4.02k 800-4KHz 10 LOW HIGH PASS: 200-800Hz LOW BAND PASS: 60-240Hz/ - 16.8V 2 2 - 16.8V ALL PASS: 200-800Hz HIGH PASS: 60-240Hz + 16.8V C271 .1uF MC C273 .1uF MC C275 .1uF MC C277 .1uF MC Title 1 1 + 16.8V - 16.8V Size Document Number Custom Date: + 10uF HIGH BAND PASS: 200-800Hz/ C270 .1uF MC C272 .1uF MC C274 .1uF MC C276 .1uF MC - HIGH HIGH PASS: 800-4KHz - 16V R296 100k lin + + - CHANNEL 4 R290 50k lin 60-240Hz 6 7 U202B TL074 15 7 U211B TL072 REMOTE 19 + S208 C245 4.7uF LOCAL LBP1 R299 10k log 866

File name Interconnect _ INTERCONNECT.pdf

P701 1 2 3 4 5 6 7 Main PCB 550-736 FE Mute Control Line P202 1 2 3 4 5 6 7 Connection for Airbass J104 J203 20 19 18 17 16 15 1 2 3 4 5 J701 1 2 3 4 5 6 7 Page 4 Amplifiers 1 through 4 Channel 1 Out Channel 4 input Channel 2 input Channel 1 input PC 2 1 Channel 3 input + 27V J202 HDR 1 20 19 18 17 16 15 2 3 4 5 6 7 P201 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J201 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 P203 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 P103 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J103 20 19 PC 4 PC 5 - 27V - 27V J351 PC 1 18 17 16 D959 15 14 13 12 11 10 9 2 2 Q957 R901 PC 3 + 27V Input PCB 550-7363 14 13 12 11 10 9 8 7 6 Control 2 PCB 550-7362 P903 J903 1 2 14 13 12 11 10 9 Control 1 PCB 550-7361 1 2 J803 Battery Ground Q959 D957 PC 6 P902 1 J902 1 RL951 Relay Coil Q955 Page 6 Power Supply and Control Circuits - 16.8V + 39V - 39V Page 3 Control 2 and Input 2 4 3 2 1 4 3 2 1 4 3 2 7 R965 5 5 5 U951BB Q953 PC 19 PC 11 PC 16 PC 17 PC 14 PC 12 R722 1 PC 13 2 PC 15 + 39V - 39V PC 18 PC 20 R725 R701 R651 7 6 5 4 3 2 1 2 1 R601 J204 J101 FE Mute Control Line P204 7 6 5 4 3 2 1 P101 2 1 J702 CH7 Out J301 7 6 5 4 3 2 1 Page 5 Amplifiers 5 through 7 P301 7 6 5 4 3 2 1 P1002 3 2 1 Wiring PCB J1009 3 550-7364 P1008 3 2 1 3 2 1 P1001 J1002 3 2 1 P1009 3 2 1 J1008 3 3 2 1 J1001 2 1 2 1 TR1001 Light converter P1003 2 1 J1003 2 1 J1005 J1004 P1004 2 1 2 1 2 1 J1006 J1011 P1011 J1010 2 1 2 1 2 1 J1007 2 1 2 1 2 1 P1010 2 1 2 1 2 1 P1007 P1005 P1006 FAN 1 LAMP NEON LAMP NEON FAN 3 Soundstream Technologies FAN 2 FAN 4 120 Blue Ravine Road, Folsom, CA 95630 Title DaVinci Interconnect and Wiring PCB Size C Date: Document Number Rev PCB # 540-7364 Saturday, June 12, 1999 Sheet 1 of 6 + 47V - 47V - 47V D955 1 1 + 47V 6 6 Q956 D956 P901 J901 + 16.8V Page 3 Control 2 and Input 8 7 8 7 Page 2 Control 1 6 5 + _ + 12V + 12V C

File name Main PCB _ POWER SUPPLY.pdf

Power Supply Channel 1 - 6 F801 40AMP D804 FEP16DT RFP70N06 x 3 Q806 R815 Q802 2N2222 C825 .1uF 100V Cer Q807 R816 3.3 Q808 R817 3.3 SEC 1 + C803 trough C817 2200uF 16V C823 .47uF MC 3.3 F802 40AMP C803 + C804 + C805 + C806 + C807 + C808 + C809 + C810 + C811 + C812 + C813 + C814 + C815 + C816 + C817 + Q801 PN2907 R801 47.5k D802 1N5402 R813 10 1/2W R821 2.2 2W D805 FEP16DT L801A C828 1000uF 50V D806 FEP16DT + + 27V + CH 1-4 Q803 2SA1562 T801 TS801 D801 C820 100uF 16V + R808 22.1k D803 1N914 R809 1M SEC 1 SEC 1 + C827 560pF 1kV Cer T 95 DEG 1N4002 C818 .1uF MC 15 13 RFP70N06 x 3 Q809 R818 Q804 2N2222 14 R823 220 2W D807 FEN16DT L802 + 39V - 39V + C829 1000uF 50V + C831 1000uF 50V CH 5&6 CH 5&6 12 3.3 Q810 SEC 1 2 16 D1 R819 R814 10 1/2W Q805 2SA1562 R810 2k R811 1k R812 1k 3.3 11 U801 3524 CONTROLLER 6 7 10 R807 200K R804 4.75k R805 237K R806 27.4k C819 .1uF MC 5 8 4 C821 + 47uF 16V 1 9 C822 4.7nF 5% Mylar - J801 Battery Positive 1 1N4002 C801 100uF 16V C802 .1uF MC R803 4.75k 2 PRIMARY: 3 TURNS 6X18GA Q811 C826 .1uF 100V Cer + R820 C824 .47uF MC 3.3 SECONDARY#1: 8 TURNS 3X18 GA SECONDARY#2: 3 TURNS 3X18GA R822 2.2 2W D808 FEN16DT J802 Remote in L801B C830 1000uF 50V J803 Battery Negative D809 FEN16DT +26V F901 40AMP C903 through C910 2200uF 16V Q902 2N2222 D901 1N5402 C914 .47uF MC R914 15 1/2W F902 40AMP C903 + C904 + C905 + C906 + C907 + C908 + C909 + C910 + Power Supply Channel 7 D903 FEP16DT + 47V Q906 NDP7050 R916 C917 .1uF 100V Cer R921 2.2 2W U802 LM317 VI D904 FEP16DT C919 2200uF + 50V GND VO R923 665 D907 1N914 C921 .1uF MC + C918 560pF 1kV Cer L901 R922 220 2W D905 FEN16DT C922 .1uF MC + C924 10uF 35V D908 1N914 R925 8.06k + C926 10uF 35V + R926 665 GND VI C920 2200uF 50V U803 LM337 VO D910 MBR150 1000uF 25V R928 470 5W C929 10uF 35V + + D909 MBR150 Q901 PN2907 R904 47.5k Q903 2SA1562 3.3 Q907 NDP7050 R901 2.49K R909 22.1k R917 3.3 + C925 C911 100uF 16V T901 + C923 R924 8.06k C901 .1uF MC 15 13 .1uF MC Q904 2N2222 14 12 16 R902 4.75k 2 R907 200k 11 U901 3524 CONTROLLER 7 10 1 C902 .1uF MC 5 8 4 9 C913 4.7nF R903 4.75k R905 267k R906 30.1k C912 + 47uF 16V 5% Mylar R911 2k R912 1k R913 1k Q905 2SA1562 6 C915 .47uF MC R915 15 1/2W Q908 NDP7050 R918 3.3 R919 3.3 R920 2.2 2W Q909 NDP7050 C916 .1uF 100V Cer PRIMARY: 3 TURNS 6X18ga SECONDARY: 13 TURNS 3X18ga D906 FEN16DT - 47V = Amplifier Chassis Ground Power Supply Roll Back Ch 7 D951 1N914 R951 2.15k R952 3.01k Q951 J175 C951 .1uF U951B TL072 5 6 R961 1.5k R955 33.2k R956 66.5k R957 10k R959 1.82k R962 1K D952 1N914 R958 3.32k R954 10k Light Enable D954 1N914 RL951 + 27V J901 1 D955 1N4004 2 R968 2.2k 1W Fan Control Q957 TIP102 + 47V Q952 MPS8599 R960 1.5K R965 1 4.75k 3 2 1 Q955 MPS8099 J902 1 + 2 C956 470uF 35V C957 .1uF D958 1N5244B 14V D959 1N4004 +16.8V R2A 4.75K 2 R953 475k + 47V 7 + Q953 MPS8099 C952 .1uF Front End Mute Control R966 301k 1 Q956 MPSA14 C953 .068uF Mylar D956 1N4004 R971 1k R970