Carvin-B1500-pre-sch维修电路原理图.pdf

《Carvin-B1500-pre-sch维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Carvin-B1500-pre-sch维修电路原理图.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED. NOTES: UNLESS OTHERWISE SPECIFIED. 4. ADDED AS SECONDARY OPERATION. 1. ALL RESISTORS IN OHMS EFF RETURN MASTER VOLUME GEORGE DREYER EFF SEND MUTE MUTE- MASTER 0.0047F AMP2 + FOOT SW H11A.J H11A.G H11A.A H11A.E H11A.F -15VDC H11A.H H11A.C H11A.D H11B

2、.J H11B.G H11B.C H11B.H H11B.A H11B.F H11B.E a gnd H2A.A H2A.B H2A.C H2A.D +15VDC -15VDC H11A.I H11A.B H11B.B Protect Clip 1 INPUT AMP2 - H2A.G H2A.H H6.A H6.B H6.C H6.D EFF + EFF - .01F input +15VDC -15VDC +15VDC -15VDC POWER H5.A H5.B 0.1F 22F 22F 22F 22F 10K R109 R111 S2.A 39pF D.I.PRE SEND S1.B

3、GND GND D11 D3 J13 J12 22F SPK1 SPK1 .01 .047F R112 R113 C62 R47R33 R46 C63 R41R43 R42 C19 R55R56 C28C27 R53R57 R58 R52 10K 10K 33K33K R49 C48 C47 C26 C43 C20 R110 R99 J70 Red Yel C17 EFF J11 C22 D4 22F D6 J72 D5 J71 MUTE + + + System Master 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600

4、 FAX 487-6629 REVISED BY: APPROVED: DRAWN BY: DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C R5 22K* R6 470K* 39pF* C3 100K A2.A 2 3 +1 4.7K 47K 4.7K A3.A 2 3 +1 47K47K A1.A 2 3 +1 10K 10K 10K 47K 10K A7.A 2 3 + 1 H5.C H5.D J5 2+ 2- 1+ 1- J7 2+ 2- 1+ 1- J8 SPK1 J9 SPK1 +15REAR A7.B 6 5 + 7 8

5、4 SPKR GND A8.A 4 5 + 2 A8.B 6 7 + 1 A8.C 10 11 + 13 A8.D 8 9 + 14 -15VDC R91 10K R94 10K R96 10K Q17Q16 R117 1M R118 1M Q12 1F 1F 22K* R121 R125 R124 R127 R126 R131 C53 C49 + 365K 6.8K* 10K* 150K 22K* 22F C58 +15VDC clip protect H2A.F H2A.E EFF + EFF - A1.B 6 5 +7 120pFR92 R98 C46 10K 10K 1K R123 S

6、2.B R132 15K* 30-41500 19DEC01 1. xx. CHANGES FOR LR400 ASSEMBLY: 8-00400 2. Add Q114, Qx4 ( Type: MJL 21193). 1. Add Q11x0, Q2x10 (Type: MJL 21194). R97 R72 6.8K passive/active S1.A 0.0022F 0.0022F 0.047F 22F R65R61 R64 C32 R60R74 R62 C30 C33 C31 4.7K 2.2K 4.7K 4.7K 47K 4.7K A3.B 6 5 +7 560pF 0.001

7、F 0.022F R86R76 R79 C38 R75R87 R77 C39 C35 4.7K 15K 4.7K 4.7K 47K 4.7K A2.B 6 5 +7 0.0022F C18 0.01F C23 0.047FC24 EFFECTS S3.AS3.B R38 4.7K* 22F C34 + Q19 TREBLE LOW MID HI MID BASS MID SUB BASS R14 365K R31 1M D.I. PRE-POST GND LIFT DIRECT S4.B S5.A S4.A S5.B R12 J75 1 2 3 10K 39pF C14 R22 470 R34

8、 470 R35 100 R36 100K .001F C8 22F C66+ 22F C7+ R37 100K A4.B 6 5 +7 -15VDC +15VDC +15REAR -15REAR QC1 H11B.D H11B.I B50K P11 cw B100K P12 DRIVE B50K P13 cw B50K P14 cw B50K P15 cw B50K P16 cw B50K P17 cw B50K P18 cw cw 0.22F/63v C1 thru + TUNER J73 -15REAR GND R GND R AGND D.I.PRE RED GRN D1 YEL +1

9、5VDC R3 10K +15VDC R24 INPUT CLIP R26 R25 Q10 D2 470 100K 22K RED R151M C39a C35a C18a C23a C33a C38aC63a C31a C32a R1151M R1191M R181MR191M R201M 39pF C15 39pF C37 39pF C40 C22athru C24a + R10 R27 2.2K* 10K Q13 R28 1M BAL GND 100 R7 BAL GND R39 10K 39pF C65 R13 10K 39pF C60 R50 10K GND R 470 R51 47

10、0 R54 R136 10K 39pF C25 R66 10K A5.A 2 3 + 1 39pF R67 R68 C36 10K 10K 100 R70 GND R R71 10K 39pF C29 R80 10K A5.B 6 5 +7 39pF R81 C41 100K B50K P1 DIRECT LEVEL R32 10K R82 10K BAL GND cw R84 10K 39pF C44 R85 10K Q18 10K R89 R88 R90 150K 6.8K n/u C54 25V FET R1 365K R106 R114 100K 39pF C55 R21 100K A

11、GND RETURN Q5 R1109 10K MUTE REAR MUTE REAR Q6 R1111 47K -15REAR R1108 10K C42 + 0.1 R1110 1M R108 10K 39pF C56 D33 R83 47K R120 33K MUTE- R40 470K .01 C6 Q8 R9 1M R11 47K MUTE- AGND C20a 10K +15REAR A4.A 2 3 + 1 8 4 -15REAR AGND H10.A H10.B H10.C H10.D +15VDC -15VDC +15VDC -15VDC GND AGND 22 1W1% 1

12、.5H R02 L100 22 1W1% R03 22 1W1% R01 22 1W1% R04 1F C16 + 1F C50 + + n/u C51 25V FET + 22F C57 + 500 ms delay R44 AC Line in from switch AC Neutral to transformer AC Line to transformer 500 ms delay C21 .047 250VAC H4.A H4.C H4.D H4.B AC Line out to switch F1 E2 Earth to chassis PL1 N E L Q1 R16 470

13、K smt 1/4w R17 -15REAR +15REAR +15REAR 220F 50V C4 + Q11 220K C9 .047250VAC QC8 TR1 T TR2 T TR3 T K1 10KF 100V .1 .1 H1A.1 H1A.2 H1A.3 H1A.4 1000 1000 7815 7915 H7.C H7.B H7.A H7.D H7.E H7.F H7.G H7.H H7.I C503 C504 C505 C506 C511C512 C507 BR1 35V 35V VR1 VR2 1000 RED YEL YEL GRN GRN GRN RED YEL YEL

14、 35V E1 + + + + D506 D505 D504 D503 D502 D501 SMB 10KF 100V C519C518 + GND +15v 25V fet H13a.A H13a.B H13a.D GNDH13a.C E6 1000F/25V 1000F 35V C520 C521 R501 1K + MMBT5550 NPN Q500 R500 .1C522 Z500 Z501 Z502 R504 XJW21194 NPN 5 5W Vert. MJE15032 MJE15033 MJL21193 FAN GND FAN GND +15VAMP +15VAMP -15VA

15、MP +15VAMP -15VAMP -15VAMP -15VAMP +15VAMP -15VAMP +15VAMP -15VAMP +15VAMP 340 350 5401 120pF .01 .047F .1F H1B.1 H1B.2 H1B.3 H1B.4 120pF R133 R135 C177 C176 R138 R176 R178 C181 D111 Q112 Q109 Q113 R134 R197 C121 R139 R140 R141 D107 R147 R142 R143 R144 R145 R330 Q209 Q213 Q103 Q102 Q105 Q104 P101 -2

16、4V R179 R177 -24V K100 R314 R315 R322 R320 D310 D312 C317 D311 R317 R318 R323 R321 R311 R312 R325 R324 C270 R331 Q127 R148 C313 R327 R329 Q303 H9.1 H9.2 .01 V+ V- V- V+ 22 + + 2N5400 2.2K A17.A 2 3 + 1 8 4 A17.B 6 5 + 7 68K 100 R137 1K 4.7K 470 4.7K 1N914 D106 1N914 1K 1K 1K 1K 680 150 Q107 Q111 R16

17、1 R155 .33 5W R163 R150 5 5W R151 5 5W 22K 5.6K 100K 1N914 A18.B 6 5 + 7 8 4 A20.A 2 3 + 1 8 4 4565 A18.A 2 3 +1 A20.B 6 5 + 7 100K 10K 5.6K 470K 1N914 68K Q207 Q211 R250 R251 R261R263 68K 1.5K 0 22K 1K 100K 1K 10K 22K 3.3K R319 33K 68K 27K 1F C64 + 1F C70 + D100 D102 D103 D101 R2 10K R4 10K CLEAN-1

18、 5550 Q9 R100 2.2K MJD340 Q301 CURLIM RELAY+ CURLIM C318 22 D17 .047F C180 R424 100 FAN GND R10710K 120pF C93 7912 -12V Q7 22 5W Vert. R335 R333 22 1W R332 22 1W + D16 680 C182 680 C184 UF5404 400V 3A D108 D109 C186 22 + R199 150k R209 3.3K +15VAMP +15VAMP 555 Q302 +15VAMP +15VAMP +15VAMP 1K smt 1/4

19、w R104 OP4.A 100 smt 1/4w R105 .1F H1.A C2 FAN GND H1.B OUTPUT1 THERMAL DIODE smt 1N914 R211 470 R210 150 D25 D26 R232 150K smt 1/4w OUTPUT1 22uF C106 + Q14 2N5400 5550 Q15 -15VAMP R59 3.3K R226 47 D29 1N914 R227220K R228 220K THERMAL DIODE DC protection short circuit protection thermal protection R

20、146 100 R222 100 R223 100 R149 100 R224 100 R225 100 5550 Q2 15k .1F C10 Q106 R333AR333B + Q122Q117 R188R183 Q123 R189 Q124Q119 R190R185 Q222Q217 R288R283 Q224Q219 R290R285 H2B.A H2B.B H2B.C H2B.D H2B.E H2B.G H2B.H H2B.F -24V FAN GND TIP31C NPN Flat Q3 .1F C11 + .1F C13 FAN GND QC1B R103 10k R10110K

21、 R102 10K 120pF C100 Q4 TIP31 TIP31 D104 C101 22 + SPKR GND SPKR GND SPKR GND SPKR GND STD7 STD8 TOOLING HOLES 22F C45 + 1K R93 1K 22F C67 + 10K R95 .022FC68 6.8K R116 15K* 1F C52+ R122 1M -15v TO FRONT PCB B1500 E. PETERSEN R130 4.7K 47K 1W R502TR502B 47K 1W R501TR501B 10KF 63V C509TC508T + 10KF 63

22、V C508B + C509B + 25V FET 0.22F/63v C5 thru R153 4.7 22F C59 + 22F C61 + R152 4.7 R8 1K R23 1M 1000F/25V C69+ 1F C12 + 3.3K3.3K C 001 001 80-41500 80-40500 05DEC03 Changes from Assembly Rev(?). 21193- Q111, Q113, Q211, Q213 21194- Q107, Q109, Q209, Q222 B500 USES THE FOLLOWING DEVICES: R150, R151 (5) R161, R163, R251, R261, R263, R288 (0.33) B1500: USE C508B, C508T, C509B, C509T, R501B,R501T,R502B,R502T B500: USE C511 , C512 ( R501B, R501T, R502B, R502T -REMOVED) DIODE SMT 1A R500 RadioFans.CN 收音机爱 好者资料库