LCAudio-ZapsoluteMK4_1-pwr-sch 电路图 维修手册.pdf

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1、VCC GNDC OUT TRIG THRESHOLD DIS C555 3 15 7 6 2 84 RESET VCC VSS Q13 Q5 CTC RTC RS HC4060 3 4 8 11 10 9 16 12 OK LED+ OK LED- MR Class A Auto PowerDown Timer Runout Signal Cl.A/B LED+ Cl.A/B LED- Cl.A LED + Cl.A LED - Class A PowerDown R101 1k D101 4V7 D102 4V7 R102 10k0 R103 3k01 D103 4148 Operatio

2、n OK AUX- -33 - 45 V Power - -33 - 45 V PNP Basis BIAS testpoint - Power GND Power OUT RGND 2R20 S.A. Auto IC101 IC102 RTH NTC 150k R104 10k0 R105 1M C103 1u C104 100n D104 4V7 R106 10k0 C105 100n R107 22k1 R108 182k R109 10k T103 BC858 D106 4V7 C107 100n C108 470n R110 47k R111 470k T104 BC846 R112

3、 100k LED101 APD R113 10k0 R114 10k R115 4k99 T106 BF822 T105 BC846 R116 4k7 R117 10k0 D107 4148 D108 4148 R118 4k7 R119 1k T107 BC846 T108 BF823 D109 4148 C109 22n R119 4k99 BIAS testpoint + NPN Basis Power + AUX + +33 - 45 V + 33 - 45 V P2 10k DC RZ+ 2k00 RZ- 2k00 R201 301 R202 301 T201 2SA1455k T

4、202 2SA1455k T203 2SC3722k T204 2SC3722k R203 3k01 R204 3k01 R205 3k01 R206 3k01 C206 470/63V C209 470/63V R207 100k R208 3k01 R209 3k01 D201 4V7 D202 4V7 R210 100k D203 4148 R211 10k R122 2k0 R123 10k0 R213 1k30 R214 1k30R216 47kR217 221R R220 10k0 R221 16k0 T205 2SA1455k T206 2SC3722k R224 40k2 T9

5、 BC517 R219 4k99 R216 47k R218 221R R226 1k50 P1 500 BIAS C201 100n R250 30k0 GLASS R251 30k0 GLASS R228 2k0 R229 100 R230 80R6 R231 80R6 R232 80R6 R233 2R20 R234 40R2 RE1 .RE3 0R27 RE4 .RE6 0R27 R242 1k R243 1k R238 80R6 R239 80R6 R240 80R6 R240 2R20 R241 40R2 D205 BAV102 D206 BAV102 T1 2SC2922 T2

6、2SA1216 T4 2SC4278 T7 2SD1763 T209 2SC3722k T8 2SB1186 T210 2SA1455k T5 2SA1633 ZAPsolute Mk4 Copyright 1999 - 2000 L C Audio Technology Important Notice: This document or any of its contents may not be used for any kind of commercial purpose what so ever, without the written permission of the autho

7、r. Short Circuit Protection Auto PowerDown Timer R157 1k R158 1k R159 33k C112 100n D111 BAV 99 T122 BF822 R160 3k01 Protection R161 10k0 R266 301k R267 301k DC Servo C234 1u MKT R170 100k C122 100n R171 1M IC104 LF411 DC Servo D121 12V D122 12V C131 100n C132 100n R172 7k62 to AUX - R173 7k62 Direct In + Direct In - Input Gnd R144 22R1 R145 22R1 22u / 400V Polypropylene M-CAP 22u / 400V Polypropylene M-CAP C2 C1 Version 1.01 published July 20th 1999, update on http:/www.lcaudio.dk RadioFans.CN 收音机爱 好者资料库