Carvin_80_03201revg_1 电路图 维修原理图.pdf

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1、VOLUME1 0.0068F 0.001F CH1 FET SW + A1.B A3.B A2.B A10.B A1.A A3.A 0.1 0.0033F B50K B50K B50K B50K 47K smt 1/4w R127 R126R120 R139 R134 R138 LOW P102 P105 P104 MID R136 R137 R135 R145 R124 R121 C129 R149 C130 R301 D107 C124 R141 R140 R142 C125 C123 R144 cw cw cw C122 C121 P103 cw HI !- + !- + !- + !

2、- + !- + !- + + + D108 R128 R125 C114 + R143 39pF C120 + 330pF 0.01F R113 R129 R130 R133 C119 + C118 + 0.0033 0.1 22F 1N914 1N914 0.01 A2.A R119 R118 D102 D105 !- + C113 + 82PF 1N914 1N914 C115 + 22F D101 1N914 C117 + 0.1F .0068 .001 A8.B 82pF A9.B 0.1 .01 B50K B50K B50K 3.3K smt 1/4w 1.0M smt 1/4w

3、A9.A C207 C208 .01 R222 R220 R221 C214 R219 R223 C215 C213 R226 LOW MID R217 R218 C212 R216 C211 R225 47K smt 1/4w R224 R214R215 P204 cw P203 cw P202 cw HI P201 cw !- + !- + !- + 47K smt 1/4w R212 47K smt 1/4w R210 C209 + 0.0033 .01 1K1K 10K 10K B50K VOLUME2 22F R207 C205 6.8K + R147 C219 + 22F Q104

4、 R302 +15VDC .047 C302 + -15VDC 22K C310 C311 22 22 + + A4.A 39pF C301 2 !- 3 + 1 MASTER MAIN FX RET H1.H H1.G LEFT OUT H1.A +15VDC IN H1.C -15VDC IN H1.B H1.E H1.D AGND +5 V +5VDC IN +15VDC -15VDC 35V 35V R305 R306 0 0 C309 0.1F 360k R123 470K D104 1N914 1k 1k 1k C116 + 22F 1k 47k 68k 360k 1k2.2k 4

5、7k 33k C126 + 0.1F 1K R150 1M CH1 FET SW - C206 R208 + 0.1 Q34 R209 1M 47k C216 + 0.1F -15VDC +15VDC .047 .047 C303 C304 + + -15VDC +15VDC .047 .047 C305 C306 + + -15VDC +15VDC .047 .047 C307 C308 + + H5.A H5.B H1.F CH2 GREEN D303 CH1 RED D304 A12.A 2 !- 3 + 1 A12.B 6 !- 5 + 7 CH1 FET SW - CH1 FET S

6、W + R310 R311 R308 R307 R309 FS RING +15VDC 2.2k 2.2k 4.7k 10k 100k R131 R132 R213 Footswitch Tip Footswitch Ring FS TIP FS RING S2.A S2.B D302 1N914 D301 1N914 PRESENCE B50K P205cw C218 + .01F R228 R227 PRESENCE B50K P106 cw C128 + .01F R146 R148 10k 1K A10.A 2 3 + 1 82pF R203 C202 R202 2.2K n/u C2

7、03 + R204 H5.C H5.D R201 C201 + 0.1F 100k R303 R117 47K D GND D GND A8.A !- + 150K 10K 250pF C2 C3 + 0.001F D1 R2 220 0 D3 1K 10k 10k 10K 1K C9 + .022F R5 4.7k C112A + 1F C102 + R101 C103 + R110 0.047F 470K 39pF 470K 1F 1F 1K R194 R193 R196 R195 R12 R16 C91 C92 5.6K 10K 220K 1.5K 10K 0.068F C95 +15V

8、DC Q21 R13 10 22F C11 + R11 10K Q22 C17 + n/u C14 + n/u n/u C15 R17 n/u R22 R24R25 C20 + 0.1F C21 + 0.047F C22 + n/u D5 R18 1K R19 2.2k R20 470 330 P1.A cw P1.B cw R8 47 C4 + .1F R21 1k 1M 560pF C1 R7 1k C18 + 82PF 220K R15 100k 3.3K3.3K 120pF C19 1K1K 1K R26 +15VDC 100k R27 1M R28 1M R6 10K R30 15K

9、 1K2.2K R31 10k 0.1F C25 1M R32 10K R35 1K R36 4.7K 100K C24 + 0.022F C26 + 22F 15K 15K 33K 22K 1M 1M 3.3K 47K 33K22K 500HZ 500Hz 15K 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 487-6629 REVISED BY: APPROVED: DRAWN BY: DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C SYSTEM MASTER SX200 A.J. Ashley 30- 03201 80- 03201 10DEC01 CHANNELS FX EFF SEND CH2 ON CH1 ON S3.A S3.B R56 1M R57 220k C50 + 180PF G G 收音机爱好者资料库 Ra d i o Fa n s .CN