Carvin-F300-pwr-sch维修电路原理图.pdf

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1、Ch1 Mute To Protect 1 LED on Control PCB Ch 1 speaker ground from P.S. PCB Ch 2 speaker ground from P.S. PCB H2-1 To collector of Q105 V+PCB Power Supply PCB 30-12028-3 Power Supply PCB 30-12028-3 AC center tap from transformer Ch 1 overcurrent to Driver PCB Ch 2 overcurrent to Driver PCB Noise grou

2、nd from Control PCB Ch 1 Protect from Driver PCB Ch 2 Protect from Driver PCB H3-1 To base of Q205 V+PCB Fan control from Driver PCB Thermal cut-off comparator Thermal cut-off comparator Noise ground from P.S. PCB H3-2 To collector of Q205 AC input from transformer AC input from transformer H2-2 To

3、emitter of Q105 V- from bridge rectifier V+ from bridge rectifier H3-3 To emitter of Q205 CH1 Protect from I/O PCB Driver PCB 30-12028-5 I/O PCB 30-12028-4 Over-current comparator Over-current comparator Ground from Control PCB -15VDC from Control PCB +15VDC from Control PCB Ch 2 black binding post

4、Ch 1 black binding post Noise ground to I/O PCB 30Hz, Sub-sonic Filter 30Hz, Sub-sonic Filter Grounds from P.S. PCB Channel 2 ground lift Ch 2 red binding post Ch 1 red binding post H2-3 to base of Q105 I/O PCB 30-12028-4 Fan speed comparator Fan speed comparator +15VDC from P.S. PCB -15VDC from P.S

5、. PCB -24VDC from P.S. PCB 1155 INDUSTRIAL AVE. ESCONDIDO, CA 92029 Craig R. Hockenberry Over-current: High Over-current: High V- PCB 30-12028-2 Common mode reject Common mode reject Bias Adjust Header CH.2 V+ Gate Drive CH.2 V- Gate Drive CH.1 V- Gate Drive Offset correction Overheated: High Offset

6、 correction Overheated: High Star Ground Point +15VDC to I/O PCB -15VDC to I/O PCB V+ from P.S. PCB V- from P.S. PCB Impedance Switch Power Supply PCB Toriod 15-06120 + 15VDC THERMAL Power-up timer +15VDC THERMAL +15VDC THERMAL (619) 747-1710 .047F 250VAC Normal: Low Normal: Low Normal: Low Normal:

7、Low Power Switch 8 A Slo Blo FAX 747-9065 CH1 OUTPUTS CH2 OUTPUTS Bridge Mono Bridge Mono REVISED BY: Ground Lift Mono Inputs Cool: Low Hot: High Cool: Low Hot: High CH2 INPUTS CH1 INPUTS Darlington 16A 250VAC 24VDC 3.4W Center Tap CH1 SIGNAL CH2 SIGNAL 30-12028-3 CH1 LEVEL CH2 LEVEL 470F/25V 470F/2

8、5V 470F 25V APPROVED: DRAWN BY: R198 R298 470F 25V 470F 25V Channel 1 10F/50V 0.0033F 0.0033F Not used Not used Not used Not used 10F/50V 10F/50V 1N4003s Bridge 1 Not Used Not Used CH2 CLIP CH1 CLIP 1N4745A 1N4745A 0.047F 0.047F 0.068F 0.068F MPS A14 +15VDC -15VDC +15VDC -15VDC PROTECT 10F50V Primar

9、y Primary -15VDC + 15VDC -15VDC + 15VDC + 15VDC MPSW92 MPSW92MPSW42 MPSW92 MPSW92 MPSW92 MPSW92 MPSW42 MPSW92 MPSW92 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 1N4003 + 15VDC 0.22F 0.22F P100.A P200.A + 15VDC -15VDC 1N4003 1N4003 10K F 10K F 1N4003 1N4

10、003 YELLOW TIP32C TIP32C !2 Tap !4 Tap !2 Tap !4 Tap + 15VDC -15VDC 1N4003 1N4003 1N4003 1N4003 + 15VDC 0.22F 0.22F .001F .001F .22F .22F .22F .22F .22F .01F .22F .01F 11.8V 4.7K 4.7K A10-A A11-A A12-A A10-B A11-B A12-B 4.7K 4.7K 0.56 0.56 POWER 120pF 120pF Fan 1 SUNON 24VAC 24VAC DATE: DATE: ASSY.

11、DATE: ARVIN GREEN GREEN 68K 100K 100K 470K Not Used Not Used 220K 100K 2.2K 4.7K 4.7K 2.2K 2.2K 4.7K 2.2K 100K 100K 470K Not Used Not Used 220K 100K 2.2K 4.7K 4.7K 2.2K 2.2K 4.7K 2.2K 470K 100K 100K 470K 470K R155 R157 C127 R156 R160 R165 R162 R163 R166 R161 Z100 R164 Q114 Q115 R172 R169 R170 R167 R

12、168 R171 R173 R174 R176 R175 R184 C138 Q116 Q118 Q117 C126 C131 R180 R179 C134 C135 R192 C142 R185 R187 C141 R190 R191R193 R189 C140 R186 R188 10F 33k 4702.2K 27pF 27pF C225 R255 R257 C227 R256 R260 R265 R262 R263 R266 R261 Z200 R264 Q214 Q215 R272 R269 R270 R267 R268 R271 R273 R274 R276 R275 R284 C

13、238 Q216 Q218 Q217 C226 C231 R280 R279 C234 C235 R292 R196 R195 C242 R285 R287 C241R290 R291 R293 R289 C240 R286 R288 10F 470 2.2K 27pF 27pF 470F 470F 120pF 120pF D120 D119 D220 D219 R197 R297 R278 R277 R177 R178 R158 R258 C133 C130 C132 C233 C230 C232 R159 R259 D221 D121 C229 C129 C139 C239 22F 22F

14、 P201 P101 P102 P202 A7-B A8-B A8-A A9-A A9-B H5-3 H5-1 H4-3 H4-1 H1-7 H1-5 H1-2 C136 D115 R181 D116 D118 D117 1.5K C236 R281 D215 D216 D217 D218 1.5K H6-4 H6-5 C125 R294 100K R194 100K R295 R296 A7-AA3-A A5-A A3-B A5-B 10F 10F 39pF 56pF S1-1 S1-2 C117 R145 C116 R146 J101 R141 R140 R142 C112 C113 C1

15、14 J201 J200 J100 10F 10F 39pF R143 C115 S1-7 10F 10F 39pF 56pF C217 R245 C216 R246 R241 R240 R242 C212 C213 C214 39pF R243 C215 J103 J102 C110 C111 C210 C211 56pF 56pF 56pF 56pF J203 J202 H7-1 H7-6 E104 E105 E204 E205 E200 E100 H9-6 H7-8 S1-6 S1-3 S1-8 C218 C118 R148 R248 S1-4 S1-5 L100 L200 H7-4 R

16、144 R244 22K H7.F H1-1 H1-6 H1-2 H1-5 H1-7 H1-3 H1-8 7815 7915 H7-1 3.3K 2.2K C106 10F H7-8 D105 D205 R132 R232 C206 10F H7-6 H9-6 H6-4 H6-5 +24V -24V H7-4 470 470 470 2.2K 2.2K 470 220 220 Pin2 Pin4 Pin1 Pin3 Q105 Q205 CH 2 CH 1 H8-2 H6-7 H6-2 H9-5 H9-8 H1-6 H1-3 H1-1 H1-8 E102E101 H2-4 E202 E201 H

17、3-4 H5-4 H4-4 Q213 J175 Q113 J175 H1-4 H6-6 H6-3 H6-1 H9-5 H9-8 REV: REV: 1W 1W H8-1 H9-2H9-4 470K 470K R235 R234 R231 C205 D207 R230 R131 C105 D107 R130 D209 1.5K R233 D208 C207 D106 D206 150 100K R135 R134 D109 1.5K R133 D108 C107 A1-B A2-B A1-A A2-A 100K 100K C109 C209 H7-5H7-2 H4-2 H5-2 H6-8 H6-

18、1 H7-7 H9-7 H6-8 10K 24K 10K 68K 47K 47K 47K 33K 68K 47K 47K 47K 33K 33K 47K 47K 47K 47K 1k R20 R19 R25 R26 47 47 C18 C19 R21 24K 22K 22K 33K24K 33K 24K 24K 22K 22K 33K 24K 33K R15 R16 47 47 C15 C16 R12 22 22 10K 10K R10 VR1 VR2 47 47 10K 10K RED 80V 80V C11 C12 C20 QC3 QC1 QC2 NO: PCB NO: 15 15 47K

19、 47K RED RED 33K 1K 1K 5K 5K 5K 5K 1K 1K 1K 1K 1K V- V- V- cw 3K cw 3K cw 3K cw 3K V+ V+ 5W 2W 5W 5W 2W 5W 5W 5W R9 Q1 E100 E200 R8 E1 R5 R7 D2 cw cw R6 R1 D1 C3 C7 D3D4 D6D5 D8D9 T1 V+ V- V+ V- E5 E6 5W 5W 1K 1K R2 R3 R4 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 6 5 7 6 5 7 6 5 7 6 5 7 6 5 7 6 5 7 2 3 1

20、2 3 1 6 5 7 6 5 7 + C 2 3 1 2 3 1 6 5 7 6 5 7 * * CH.1 V+ Gate Drive H7-3 4/8 2 * Q105 and Q205 Bias Transistors are Located on V+ PCB 30-12028-1 Craig R. Hockenberry R22 R23 33K 33K 15VDC FAN 15VDC FAN 30-06028 10JULY95 Q201 Q203 R200 R215 R205 R223 Q200 Q206 D200 R202 R203 R204 C200 25V V+ R217 R2

21、21 R222 R220 R219 R218 D201 Q207 C201 25V D202 V- Q202 Q204 R201 R216 R224 R206 H5-1 H5-3 Q101 Q103 R100 R115 R105 R123 Q100 Q106 D100 R107 R103 R104 C100 V+ R117 R121 R122 R120 R119 R118 D101 Q107 C101 25V D102 V- 150 33N20 560 47 150470F .22 1N4007 1N4007 33N20 150 47 470F150 100K 560 2.2K 22K .22

22、 Q102 Q104 R101 R116 R124 R106 H4-1 4-3 150 2N5550 .22 2N5550 150 2N5550 .22 150 150 560 47 2N5550 470F 150 33N20 1N4007 .22 .22 150 150 560 2.2K 22K 2N5550 100K 150 470F 47 2N5550 33N20 1N4007 .22 .22 H9-7 H7-7 R182 R282 22K 22K C22 + 47F R147 2.2K R247 2.2K R283+15VDC 2.2K R183 +15VDC 2.2K R102 560 R125 560 R207 560 R225 560 F Series Amp F600/F300 VR3 7915 C 21 MAY 96 80-06028 / 80-03028A2 / A2 RadioFans.CN 收音机爱 好者资料库