Carvin-CX1200-pwr-sch维修电路原理图.pdf

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1、2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED. 3. ALL DIODES ARE TYPE 1N4003, EXCEPT AS NOTED. NOTES: UNLESS OTHERWISE SPECIFIED. 4. ADDED AS SECONDARY OPERATION. 1. ALL RESISTORS IN OHMS GEORGE DREYER MJD340 MJD350 MJD340 MJD350 CLEAN CLEAN CLEAN +15VAMP +15VAMP -15VAMP -15VAMP -15VAMP +15VAMP

2、-15VAMP +15VAMP -15VAMP +15VAMP -15VAMP +15VAMP 22W 1W1% 22W 1W1% Diode 1N914 SMT 5550 5401 5550 5401 5401 H3A.C H3A.B 5401 .1m .1m 82pF .0047m 82pF H3A.F H3A.D 1.5m H 1.5m H H3A.G H3A.H H3A.J .1m F H3A.I H3A.A H3A.E .1m F .1m F 10Km F C502 H12.1 H12.B 1000 1000 39pF 39pF 7815 7915 39pF 39pF R130 R1

3、31 R133 C175 R135 C177 C176 R138 R176 R178 C181 D111 R134 C121 R139 R140 R141 D107 R147 R142 R143 R144 R145 R230 R231 C275 R237 R235 C277 C276 R238 R278 R279 C281 R330 Q203 Q202 R234 C221 Q205 Q204 R239 R240 R241 D207 R247 R242 R243 R244 R245 R420 R419 Q103 Q102 L100 Q105 Q104 L200 -24VDC R179 R177

4、R277 R276 D206 -24V REAR K100 K200 -24V REAR H7.C H7.B H7.A H7.D H7.E H7.F H7.G H7.H H7.I J202 J102 R314 R315 R322 R320 D310 D312 C317 D311 R317 R318 R323 R321 R311 R312 R325 R326 R324 C310 R331 C503 C504 C505 C506 C507 Q217 Q117 R148 R248 Hbias2.B Hbias2.A Hbias1.B Hbias1.A Q110 Q114 Q210 Q214 C313

5、 R327 R329 Q303 SPK1 SPK2 500W P101 500W P201 .01 .01 47K smt 1/4w BR1 35V 35V VR1 VR2 1000 RED YEL YEL GRN GRN GRN RED YEL YEL 35V 63V V+ V- cw V+ V- 22 cw cw + + + + + + + 2N5400 2.2K 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 487-6629 REVISED BY: APPROVED: DRAWN BY: DATE: DATE

6、: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C A17.A 2 3 + 1 8 4 A17.B 6 5 + 7 4.7K 2.2K 4.7K 1K R137 1K 4.7K 470W 4.7K 1N914 D106 1N914 1K 1K 1K 1K 680W 150W R169 .22W 5W R171 .22W 5W R150 22W 1W R151 22W 1W 47K 10K 100K 1N914 A20.A 2 3 + 1 8 4 A21.A 2 3 + 1 8 4 2043 A18.A 2 3 + 1 8 4 A18.B 6 5 + 7 20

7、43 A20.B 6 5 +7 A21.B 6 5 +7 100K 10K 5.6K 470K 1N914 4.7K 2.2K 4.7K 1K 47K 47K 1K 1N914 1N914 4.7K 1K 1K 1K 4.7K 470W 1K 680W 150W MJE15032 Q207 MJE15033 Q211 R250 22W 1W R251 22W 1W R269 .22W 5W R271 .22W 5W 10K 47K 100K 68K 1.5K 1.8K 22K 1K 100K 1K 3.3K 10K 22K 3.3K R319 22K R233 2.2K 47K 27K 100

8、K J502 SPK3 D2 D3 D8D9 R2 150K R4 33K D12 D13 D14D15 R97 33K 5550 Q9 R100 2.2K R102 150K 5550 Q10 R101 2.2K MJD340 Q301 CURLIM CURLIM RELAY+ REAR RELAY+ CURLIM C318 22 D17 PL1 N E L F1 QC3 E2 R105 22m F 35V SMT C71 + K1 AC Line to transformer SPKR GND 22W 1W1% 22W 1W1% R182 R136 #1318#1319 .047m FC1

9、80 .047m F C280 Q115 Q116 R162 .22W 5W R164 .22W 5W MJL21194 NPN MJL21193 PNP Q215 Q216 R262 .22W 5W R264 .22W 5W CLEAN SPKR GND 7912 -12V Q7 R335 22W 1W R334 22W 1W R333 22W 1W R332 22W 1W + D10 1N914 D16 .1m F C62 + .1m F C63 + Diode SMB SMT1A D108 D109 D208 SMB D209 SMB D506B SMB D505B SMB D504B

10、SMB D503B SMB D502BSMB D501B SMB SMT C186 22 + R289 150K R189 150k C82 22 + R209 3.3K +15VAMP +15VAMP MJD340 Q302 +15VAMP +15VAMP +15VAMP D7 1N914 SPKR GND 5550 Q2 R1 100 R3 220 R246 100 R216100 R249100 R219 100 R146100 R116100 R149100 R119100 CX800,CX1200 30-08734 80-08734 3 CH POWER AMP SPKR GND 2

11、2W 1W1% 1.5m H R5 L1 22W 1W1% R6 SPKR GND S1.A S1.B AC Neutral to transformer H11A.A H11A.B H11A.D H11A.C clip1 clip2 H11B.A H11B.B H11B.D H11B.C RELAY+ REAR -24V REAR SPKR GND -24VDC RELAY+ REAR SPKR GND MJL21194 MJL21193 MJD340 MJD350 +15VAMP -15VAMP -15VAMP +15VAMP 5550 5401 5401 82pF 39pF 39pF R

12、530 R531 C575 R537 R535 C577 C576 R538 R578 R579 C581 Q510 Q514 Q503 Q502 Q515 Q516 R534 Q505 Q504 R539 R540 R541 D507 R547 R542 R543 R544 R545 P501 R577 R576 D506 Q517 R548 Hbias3.B Hbias3.A 500W .01 cw V+ V- cw A1.A 2 3 + 1 8 4 A1.B 6 5 + 7 2043 4.7K 2.2K 4.7K 1KW 47K 1K 1N914 1N914 4.7K 1K 1K 1K

13、4.7K 470W 1K 680W 150W MJE15032 Q507 MJE15033 Q511 R550 22W 1W R551 22W 1W R569 .22W 5W R562 .22W 5W R571 .22W 5W R564 .22W 5W 10K 47K 100K R533 2.2K 100K D5 D6 D11D19 R43 33K R31 150K 5550 Q17 R500 2.2K CURLIM .047m F C580 D508 SMB D509 SMB R589 150K C5 22 + R516100 R546100 R519 100 R549100 .1m F C

14、6 K300 -24V REAR + RELAY+ REAR .1m F C4 + SPKR GND -24VDCV- V+ CLEAN +15VAMP-15VAMP 100W +24VDC +24VDC REAR +24VDC +24VDC REAR Q4 R8 22K R9 22kW R10 n/a QC101a QC201a QC501a QCO4 QC101b QC201b QC501b QCI4 OUT1 OUT2 OUT3 #372 10Km F C501 63V + QCO5 INPUT1 CLIP1 INPUT2 CLIP2 INPUT3 CLIP3 PROTECT 22W 1

15、W1% R11 22W 1W1% R12 22W 1W1% R13 22W 1W1% R14 22W 1W1% R15 22W 1W1% R16 J201 J101 SPK1 SPK2 J501 SPK3 22W 5W Vert. R7 22W 5W Vert. R17 +24VDCDSP+VDC 22W 1W1% R18 DSP+VDC 10Km F C501a 80V +22W 1W1% R19 22W 1W1% R20 22W 1W1% R21 1000 1000 C1 C2 35V 35V + TIP31C NPN Flat Q106 TIP31C NPN Flat Q206 TIP3

16、1C NPN Flat Q506 R503 150W R203 150W R103 150W H10.A H10.C H10.D H10.B QCO1 RELAYGND RELAYGND R522 2.2K R523 4.7K R222 2.2K R223 4.7K R122 2.2K R123 4.7K Rev A to B 1. input ground balancing 2. earth ground relocated 3. bias transistors changed to Tip31s. Rev B to C is first production 1. Speaker ja

17、ck location moved to metal. MJE15033 Q111 MJE15032 Q107 D C 16 NOV2001 Rev D is first production 1. C182, C182, C184, C185 and equivalent on locations on the other two channels were converted to through hole caps. 560 C182 560 C184 560 C282 560 C284 560 C582 560 C584 7815 VR3 7915 VR4 .1m C3 + .1m C7 + -15V+15V +15V -15V RadioFans.CN 收音机爱 好者资料库