Carvin-BX500-pre-sch维修电路原理图.pdf

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1、2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED. NOTES: UNLESS OTHERWISE SPECIFIED. 4. ADDED AS SECONDARY OPERATION. 1. ALL RESISTORS IN OHMS MASTER VOLUME GRAPHIC + GRAPHIC - GRAPHIC + GRAPHIC - GND LIFT +15VAMP -15VAMP PRE AMP D.I. OUT -15VDC +15VDC +15VDC POWER 22F 22F 82pF 22F 22F 22F 22F R118

2、 R120 82pF S11.A R415 R408 R407 R122 C401 C410 R38 R83 C19 R40 C52 R47 R41 R42 C20 R84 C51 C50 R85 R81 .01 .01 R80 R57 R58 R52 10K 10K 4.7K R82 C77 C76 R79 C53 D11 R39 J10 D4 D6 EQ + + 1 2 3 System Master 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 487-6629 REVISED BY: APPROVED: D

3、RAWN BY:DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C 10K 470 10K 10K 2.2K 10K A3.A 2- 3 +1 10K 4.7K 47k 10K 10K 4.7K 47k A10.A 2- 3 +1 A4.B 6- 5 +7 A13.A 2- 3 +1 1.5K 3.3K 47K A15.B 6 - 5 + 7 8 4 10K 10K 180pF C405 R409 150 R406 150 R405 100 R410 100K .001F C403 22F/50v C404 22F/50v C406 33

4、KR411 100K B50K P11 cw F1 A22.D 8 9 +14 A22.B 6 7 +1 A22.C 10 11 +13 A22.A 4 5 +2 +15VDCR98 10K Q4 Q5 #689#690 R159 1M R160 1M R21 6.8K A10.B 6- 5 +7 R174 R173 22K 47K 330pFC78 C186 22 + R189 150k 22V FET R1644.7 22F C107 + 22F C108 + R1624.7 INPUT H5A.A H5A.B J12 R218 470K H5A.C H5A.D Q8 1F 1F 22K*

5、 R236 R254 R252 R257 R256 R258 C124 C123 + 365K 6.8K* 10K* 68K 22K* 1K R259 R264 R262 6.8K R267 4.7K* Q19 R266 150K R265 1M B50K P1 DRIVEcw D18 ACTIVE BLU +15VDC R268 3.3K Q18 10K R282 R281 R283 150K 6.8K 22V FET R284 365K R285 R290 100K AGND 1F C114 + + 22F C116 + 2.2K R291 1K 22F C117 + 4.7K R292

6、.047FC118 3.3K R293 6.8K 1F C120 + R294 1M 0.033u C122 thru R295 1K R296 1M 1F C125 + 180pFC127 R298 R299 R297 R287 cw cw A26.B 6- 5 +7 10K 10K 4.7K 4.7K A29.B 6 - 5 +7 COMP SENS MUTE R313 D31 mute 3.3K R316 47K R328 47K R33647K R339 470 39pFC136 R342 R343 R341 R340 cw A13.B 6- 5 +7 33K 33K 10K 10K

7、550 Hz contour 1F R43 C137 R44 100K 2.2K A3.B 6 5 +7 560pF C23 560pFC138 R346 15K B50K P3 cw B50K P7 cw B50K P2 cw B50K P6 cw B50K P10 cw R1 6.8K C520 R501 1K + Q500 0.1 C522 Z500 Z501Z502 9.1v9.1v 5.1v B50K P12 COMPRESSOR R3 10K 15C50Kx2 P26.B 15C50Kx2 P26.A S3.AS3.B S7.A S7.B S5.A S5.B 4.7K smt 1/

8、4w R18 R26 470 .01F C126 BASSTREBLE .022F C110 .01F C22 .022F C135 .047F C134 .033F C21 SMT SCREEN HOLES E4 24VJFETS +24FRONT a gnd H5B.A H5B.B H5B.C H5B.D input GRAPHIC 125 Hz250 Hz80Hz 0.01 0.0033 500Hz 0.01 0.0068 360K smt 1/4w 0.1 A9.A A9.B A8.A A11.A A8.BA11.B 50Hz 180pF 10K smt 1/4w 0.068 0.02

9、2 R184 P92 R169 R6 R171 C6 C71 R7 C75 R9 R172 C7 R175 R10 C9 C10 R13 R12 C12 C82 C83 R14 10K 10K10K10K 10K 10K 0.1uF P93 P94 P91 P95 - + - + - + - + - + - + C72 0.1 180pF C81 4.7K smt 1/4w R17 5550 Q1 5401 Q2 R2 1K +15VDC -15VDC +24FRONT H3B.A H3B.I H3B.C H3B.F H3B.E H3B.B H3B.J H3B.D H3B.H H3B.G AM

10、P1- AMP1- RETURN SEND RETURN SEND +15VAMP -15VAMP -15VAMP +15VAMP A16.A 2 - 3 + 1 8 4 SEND AMP RETURN AMP MU FSW GEQ FSW MU FSW GEQ FSW +15VAMP -15VAMP 24VJFETS H3A.D H3A.B H3A.J H3A.F H3A.C H3A.I H3A.A H3A.E SEND AMP RETURN AMP GEQ FSW AMP MU FSW AMP H3A.H H3A.G C521 22uF + 22uF 50V C3 22uF 50v + Q

11、C6_SWswitch QC7_SWswitch E1 R34 47K sec R35 15K sec 180pF C26 1u C18 + 0.001 1.3kHz A2.B 0.022 R22 R11 C36 C45 10K P97 - + 800Hz 0.0022 0.033 A2.A R48 R23 C46 C47 10K P96 - + 360K 180pFC48 R51 R53 R50 R49 cw cw A26.A 2- 3 +1 10K 10K 4.7K 4.7K B50K P16 cw 15C50Kx2 P17.B 15C50Kx2 P17.A 0.047F C49 0.1F

12、 C54 A29.A 2- 3 +1 J1 2+ 2- 1+ 1- J2 2+ 2- 1+ 1- 560pF 5kHz A1.B 0.0068 R56 R55 C55 C56 10K P99 - + 2.5kHz 560p 0.01 A1.A R60 R59 C57 C58 10K P98 - + 150K + + A5.A 2 - 3 +1 82pF C61 D.I.POS ACTIVE +15VAMP -15VAMP R64 R63 A15.A 2 - 3 + 1 8 4 10K 10K 180pF C63 GND GNDGND + + GND A5.B 6 - 5 +7 0.1u C1

13、thru C2 .01 Q3 R15 1M R19 47K MUTE D.O.POS R4 R20 22K 4.7K MUTE MUTE D2 D1 22F C5 + GND GND GND GND R818 1.5K blu BX500 ERIC PETERSEN 80-45500 L4 1 2 34 L6 1 2 34 C133 C42 C44C60 C103 X2 .47 X2 .47 X2 .047 .0022 Y.0022 Y 1000F 25VC129 + 1000F 25V C119 + V+ Q20 Q17 +15VAMP C112 C115 -15VAMP .047 .047

14、 7815 7915 V- PWRCOM TR1 T PWRCOM C62 .0022 Y PWRCOM GND BR1 LINE FILTER RECT AC GND D36 D34 +20V -20V GND C161 + 1000uF 100V C162 + 1000uF 100V +20V -20V +15V -15V QC5 GND C143 C145 1F 1F + + D818 Diode smt 600V 1A D820 470K R844 470K R845 C146 + 1000uF 200V C151 + 1000uF 200V LOW SEC HI SEC CENTER

15、 SHLD BIAS N/U PRI U1 D37 +40V 470F 50V C104 + D25 D40 D44 D48 D49 D50 D51 C203 + 22uF 35V Diode smt 600V 1A D5 R213 4.7R R215 10R R219 47K VCC R203 1K C207a .1uF 100v R221 10K R27 10K R227 10R Diode smt 600V 1A D205 R225 3.3K R207 6.8K R205 3.3K R211 8.2K R209 3.3K C209a .1uF 100v V- V+ R229 10R CH

16、1 FET C215 0.1u / 400VDC C217 0.1u /400VDC R201 100R R29 100K C25 + 22uF/50v R131 100K R133 2.2K C113 0.001F C111 0.001F R30 1k R31 2.2k 180PF 500V C14 L1 R149 2.2K smt 1/8w 28H / 9A CSD1 D105 1A D104 1A V- V+ R74 4.7K 65-70vdc 65-70vdc C209 + 22uF 50V C207 + 22uF 50V R106 2.2K smt 1/8w D8 1A R90 2.

17、2K C30 0.1F 275VAC C85 .047uF R138 22ohm 1W R139 22ohm 1W C147 + 22uF 35V C150 + 22uF 35V IRS2092 OCSET VREF COMP VSS CSD VAA GND VCC CSH COM IN- DT LO HO VB 10 11 12 13 VS 14 15 16 U5 1 2 3 4 5 6 7 89 C34 0.001F 3 2 1 D S G Q30 3 2 1 D S G Q31 IRFB4227D IRFB4227D V1.B R113 0.22F / 63v C67 47K V1.A

18、R119 PL V+ 1 2 3 n/u R124 0 R D310 R311 R312 R65 R33 R68 Q7 2N5400 A6.B 6- 5 +7 1.5K100K 10K 3.3K 47K +15VAMP D10 R67 220 TEMP SENS. -15VAMP +15VAMP A6.A 2 - 3 + 1 8 4 R75 R76 R77 68K 1K 22K C95 22 D7 + R69 3.3K 5550 Q9 +15VAMP 5550 Q10 R32 470F 25V C15 + Q14 2N5400 5550 Q15 -15VAMP R72 10K D29 1N91

19、4 R62 10K R73 10K 100K THERMAL DIODE ON TIMER DC PROTECTION 0.1F C17 4565 4565 R88 100 PROT A 0.1F C24 OUT 1 A7.B 6 - 5 + 7 8 4 +15VAMP -15VAMP 180pF R70 22K C16 4565 R71 10K C140 .047uF C144 .047uF A7.A 2 - 3 + 1 8 4 +15VAMP -15VAMP 330pF R121 10K C84 4565 R127 22K R130 2.2K 1F / 63v C87 A16.B 6 -

20、5 + 7 8 4 +15VAMP -15VAMP 330pF R128 47K C86 +3dB30Hz R129 10K N/U C88 R144 N/U -3dB30kHz C13 .01 Q102 R132 1M R136 47K 360K 2.2K2.2K2.2K 2.2K2.2K 1.8K 1.8K 1.8K 2.2K TUBE S2.A TUBE BP TUBE -15VAMP R141 1K GND=on, neg=off R142 2.2K GND 3. ALL OP AMPS ARE TYPE 4565, EXCEPT AS NOTED. 2901 2901 2901 29

21、01 NPN 25000 Q22 PNP 25000 Q23 R145 10R NPN 25000 Q24 PNP 25000 Q25 R148 10R VC HI VC LO VC HI VC LO PROT F PROTECT D19 R150 1.5K red GEQ IN 180pF C91 180pFC92 R151 10K R54 4.7K D20 1A 600V D21 PLATE V+ SEND AMP V1.C 4 5 9 T GND R155 10K R156 10K PL2 N E L R178 n/u D28 39pF R183 10K C100 A14.B 6 - 5

22、 + 7 8 4 +15VAMP -15VAMP A14.A 2 - 3 + 1 8 4 +15VAMP -15VAMP LM13700 BO2BO1 BI1 I-1 BI2 I+2 I+1 I-2 BA1 BD1 BA2 BD2 O1 O2 V- V+ 10 11 12 13 14 15 16 U2 1 2 3 4 5 6 7 89 +15VAMP-15VAMP R195 10K R196 6.8k R197 1.5K R157 22K R168 6.8K R199 100R R170 100R R200 15K +15VAMP GND R185 10K R186 10K -15VAMP 1

23、0K R187 Q27 2N5400 -15VAMP 100K R202 R204 470K LFL LFS 1F C109+ 15K R214 3.3K R216 J5.B J5.A J4.AEFF SEND EFF RTN J6.A TUNER/phones GND J9.AFOOT SW FILAMENT R222 47K F GND n/u R223 H1a.D H1a.A H1b.A H1b.D D.O.POS D.I.POS PROT APROT F -15VDC D.I.NEG D.O.NEG H1a.B H1b.B R115 470 R146 4.7K R86 150K GND

24、 R78 10K 2 OHM SW S1.A D33 0.01F C128 LFLLFS 10K R110 R176 10K 82pF C99 D.O.NEG AGND GND R123 150K GND R455 100 R456 100 R451 R452 100 R453 R454 100 5550 350 Q13 C101 22 + R158 2.2K 1000F 25V C102 + C98 22uF R179 1K Z12 5.1v n/u R154 GEQ FSW AMP MU FSW AMP R18010K R18110K +40V D27 D26 D39 D38 1000F

25、25V C132 + 1000F 25V C130 + Z20 5.1v Z21 5.1v 20REG 120R 1W R5 R224 n/u R226 n/u R228 n/u DC SENS +15VAMP -15VAMP C80 .047uF C64 .047uF C106 .01 Q28 R103 1M R114 10K BYP GND=on, neg=off GND 5401 Q29 -15VAMP R182 47K R116 10K BYP TUBE C139 + 1000uF 100V R191 R193 1.8K 47K +15VAMP R188 0 jmp THERMAL D

26、IODE A17.B 6 - 5 + 7 8 4 4565 -15VAMP -FAN -FAN Z11 9.1v Z22 9.1v C96 22 + FAN C R208 4.7K 5401 Q33 #212#268#278#91 A17.A 2- 3+ 1 4565 OUT 1 S1.B R2122 OHM SW- Q35 2N5400 R217 220R 2 OHM SW- -18V 4.7K smt 1/4w R220 LO MIDHI MID E11 E21 E22 E23 E24 E25 E26 HEAT SINK 360K 360K 360K 360K 360K Z13 9.1v

27、+18V -18V R24168R R24268R R24368R R24468R R24568R R24668R H1.B H1.A- FAN + 1F/100v C142 0.47F C148 FILAMENT TO H9 Q32 TIP31C R210 12K 220K R237 220K R238 H9A.B H9A.A H9A.C H9A.D H9A.E H9A.F H9A.G H9A.H PLATE V+ GND FILAMENT GND H9B.B H9B.A H9B.C H9B.D H9B.E H9B.F H9B.G H9B.H PL V+ T GND 22F 160V C8

28、+ R247 3.3K R248 3.3K R249 3.3K Standoff holes #991 #992 TUBE MTG #993 #994 #995 #996#997 #998 R250 10ohm 1W R251 10ohm 1W R253 10ohm 1W R255 10ohm 1W R92 n/u OUT 1 OUT 1 47K 1W R112 47K 1W R126 -15VAMP 2 OHM SW+ D52 LIMIT BLU D53LIMIT BLU D55 n/u R100 470 R192 150k R230 10K 100K R239 330pF C74 330p

29、F C73 R153 10K D57 D58 D59 D60 N/U GND 330pF C31 0 jmp R194 2 OHM SW+ N/U R206 n/u R240 GND 0 jmp R261 0 jmp R260 R125 2.2K R232 10K zetex zetex zetex zetex 20REG 8A 4.7K 0.1F / 100vC28 0.1F smt 250V C33 0.1 C4 08AUG2008 R140 1K REV D: ADDED R140, R235 in / for IRS2092 5V. CHANGES TO REV(E): 1. ADD

30、R823 = 68K smt. 2. ADD R889 = 560R smt (PREVENT SKIP MODE). E 3. CONNECT R102, R96 TO V BIAS NET. 3a.(CHANGE R104, R105 TO 220K) 4. C826 FOOTPRINT CHANGED TO 1uF smt. (NOT 22u) 5. Z3 = 9v 470K R177 6. ADD R177 = 470k (no sec). 600V 1A SMT 470 470 R867 33K D823 D814 D824 C842 C843 + 0.0033F 400v C810

31、 C830 + 0.047F +15VDC PRI -15VDC PRI PWRCOM PWRCOM R831 1.5K PWRCOM Q808 RECT AC 15-86010 +/-15VDC BIAS PRI DSP T1 22F R866 68 D826 C94 + FSDH0265RN Drain Vstr PWM Vcc GND Vfb Ipk 4 6 32 1 7 8 5 Q803 R837 1A 600V PWRCOM 1K Z801 9.1V Z805 9.1V Z8 30V Z9 30V R163 220K R233 220K R234 220K R165 220K C97

32、 0.047F 400V RECT AC C35 + N/U V- VCC V OutV IN 7812 Q21 C40 + 1uF 50V 12V BIAS + R152 22 R166 R167 N/U N/U C802 + .01 R806 R810 Q800GATE Q802GATE Q CENTER 10 10 D821 D822 C836 + 22F RECT AC PWRCOM R829 6.8K C823 180pF R817 10 C805 + .22uF 630V R807 10K R808 10K +15VDC PRI D3 R8 4.7K Q6 C818 C820 C8

33、22 + 1F -15VDC PRI PWRCOM R805 1.5K PWRCOM 250pF 250pF PWRCOM PRI MID Q811 Q809 Q812 Q810 R855 R852R826 R851 N/U N/U 100 100 D15 D42 R812A 22 1W R812B 22 1W R828A 22 1W R828B 22 1W K1 IRS2153 COM VCC VS VB RT LO HO CT U3 6 4 3 2 8 1 5 7 Q16 C29 + Q800GATE Q802GATE Q CENTER PWRCOM +15VDC PRI R835 R83

34、4 470K 33K R45 4.7K R854 33K R815 R816 R46 10K PWRCOMPWRCOM -15VDC PRI +15VDC PRI A803.B 6 5 + 7 8 4 4565 C69 + 1F 400V PWRCOM R93 6.8K R850 1K R819 10K Q801 PWRCOM A801.B 6 5 +7 R99 R97 3.3K 10K R96 220K PWRCOM C68 + 1uF +15VDC PRI R830 100 Q807 R840 R839 27K 10K R842 1K R843 100K C834 0.1F R853 10

35、K R847 47K VREF D815 D825 R820 10K D827 R821 47K R822 18K VREF R823 R824 R825 RECT AC UNDER/OVER VOLTAGE SHUT DOWN OVER CURRENT DETECTION R809 33K 10K PWRCOM PWRCOM PWRCOM PWRCOM R802 10K ISENSE+ 470K 470K D828 OVER TEMP/AUX PROTECTION C806 + C808 + PWRCOM 0.1 0.1 -15VDC PRI +15VDC PRI A801.A 2 3 +

36、1 8 44565 -15VDC PRI +15VDC PRI A802.A 2 3 + 1 8 4 4565 VREF C70 + .1u A802.B 6 5 +7 C38 + .01uF A803.A 2 3 +1 C804 0.1F ISENSE+ D800 1A C37 + 120pF C39 + .001uF R101 22 1W 220K 220K Q802 Q800 D32 DC PROT B7 #1155 #1156 #1157 R102 47K R104 100K VOLTAGE DOUBLING BELOW 140VAC R105 100 R107 330 R109 1K

37、 +15VDC PRIVREF PWRCOM C89 0.001uF Q26 Q34 R143 1K R134 10K R135 47K C79 + 22F +15VDC PRI V- 12V BIAS + Q36 R161 470K Z2 5.1V C90 + 1F C93 + 1F 1uF 63V D54 PWRCOM D43 47F 63V C27 + 1uF 160V C11 SHUTDWN SHUTDWN R24 47K Q11 2N5400 R25 10K OP2 +15VAMP PWRCOM DC PROT +15VAMP -15VAMP R95 R28 470K 1K A4.A

38、 2 3 +1 R16 100K LM13700 BO2BO1 BI1 I-1 BI2 I+2 I+1 I-2 BA1 BD1 BA2 BD2 O1 O2 V- V+ 10 11 12 13 14 15 16 U4 1 2 3 4 5 6 7 89 R36 1K R61 15K R66100R R87 100R R89 10K Q131 2N5400 1F C32+ 100K R91 1K R108 -15VDC +15VDC +15VDC -15VDC 27pF C41 27pF R111 C170 100K COMP SENS R137 10K A12.D 8 9 + A12.B 6 7 +1 0.1uF C59 COMP SENS LIM OP INV Q12 2N5400 R147 10K -15VDC R190 47K R198 10K 470 R231 A12.A 4 5 + A12.C 10 11 + LIM OP INV 62-00014 F30-45500 MATT OTAVKA 25FEB2010 RadioFans.CN 收音机爱 好者资料库