CCE-MD3900D-cs-sch 电路图 维修手册.pdf

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1、Vcc DRIVER RELAY DISCHARGE SUBSTRATE GND MUTING CURRENT OVER DETECT DETECTDETECT ON-OFF DC RL_POWER RL_AUDIO -B -B -B -B GND GNDGND GNDGND GND GND GNDGND GND GND TEMP FAN +12V +12V +12V +12V +5V +5V +5V +B +B +B +B +5V 500V 500V 500V 500V (+12V) (+12V) (+12V) (+12V) (+5V) (+5V)(+5V) (+5V) 220 100u 5

2、6k 47u 33k 120 BC546B 1k5 10n 2k2 2k2 BC547B 2201K BC546B 100u 1uH 56k 2SA1016 0,47u 2SC2910 2SC2910 2SA1016 1N4148 10n 2W 12k 390 100 470470 470470 LT4A03 10K BC546B 10K BC546B LT4A03 LT4A03 1N4004 1N4004 LT4A03 opc.opc. 1K2 22K 22K LT4A03 LT4A03 4700u/100 LT4A03 10n LT4A03 10n 10n 10n 4700u/100 18

3、0 100k 1u 1k 100k 1n 2W 10 5W 0,22 5W 0,22 100 100K 470 47p opc. 100 opc. 2SA1208 1N4148 4k7 4k7 56k IRFP240 IRFP9240 47u 100 100n 2SA1016 2SC2910 2SC2910 2SA1016 1uH 100u 1k 10K BC337 1k 100n 2k2 47u 56k 22k 22k BC546B 2k2 10n 1k5 47k47k 1N4148 22k 100n 100 IRFP9240 IRFP240 56k 4k7 4k7 1N4148 2SA12

4、08 opc. 100 47p 470 100K 100 5W 0,22 5W 0,22 2W 10 1n 100k 1k 1u 100k 180 100 390 2W 12k 10n 1K 220 BC547B 2k2 120 BC556B 1k2 33k 22u 220k opc. 47k 22u 47k opc. 4,0A 37,5V 4,0A 37,5V VR201 C227 R271 C271 R274 R213 Q221 R256 C216 R254 R227 Q219 R229 VR203 Q222 C206 L202 R275 Q202 C273 Q212 Q214 Q204

5、D204 C209 R219 R225 R217 R252R250 R249R251 D214 R244 Q208 R242 Q207 D208 D210 D205 D206 D212 R248 R246 R247 D213 D211 C224 D215 C230 D209 C231 C232 C229 C225 RL202 RL201 R223 R201 C201 R203 R205 C203 R263 R239R237 R235 R233 R215 C207 R245 R221 C211 Q205 D217 R211 R209 R207 Q215 Q217 C226 R231 C217 Q

6、203 Q213 Q211 Q201 L201 C205 R282 R243 Q209 R281 C235 IC201 R279 C272 R272 R273 R277 Q223 R253 C215 R255 R260 R257D203 R241 C218 R232 Q218 Q216 R208 R210 R212 D218 Q206 C212 R222 C208 R216 R234 R236 R238R240 R264 C204 R206 R204 C202 R202 R224 R218 R226 R220 C210 VR202 R230 Q220 R228 R214 Q210 R278 R

7、270 C274 R276 C213 R262 C270 R261 C214 JACK PHONE CN206 P/PCI LATERAL CN204 PTC201 GND GND IN-R IN-L TA7317P 29/05/00ANDRER255.256 ERA 2K2AMV-178/00A MD3900D 1.00.52162.1419/04/00 19/04/00 ANDRE PCI POTENCIA 2SC2705-Y 2SC2705-Y 2SA1145-Y 2SA970-GR2SA970-GR 1W * = no dissipador * = no dissipador * *

8、* * * * BIAS ADJUSTBIAS ADJUST SAIDA FALANTE (RCA) SAIDA SUB-WOOFER ROBERTO CN212 CN211 CN205 CN201 CN210CN209 CN203 CN207 CN208 +FAN -FAN FAN PAINEL TRAZEIRO FLUXO DO AR SENTIDO DO FAN PTC power power power power power power powerpower power SUB-WOOFER GND CN202 * = MONTADO NO DISSIPADOR ( R ) ( L

9、) GND GND * * CN505 TRAFO AC AC GND 3 1 PARA PCI 2 ESQUEMA ELETRICO 0V - Protec On +5V - Protec Off 1 2 2 1 9 8 7 6 5 4 3 2 1 10 + + + + + + + D S G G S G + + 987654321 + G S G D S G + + + mmemdimensoes PROJECAO DISCRIMINACAO TITULO: DATAVISTO COD. N.TOL.TOL. MOD. ACAB. ESC. MAT.DATA APRO. PROJ. DES. NOME P.A.ALT. RadioFans.CN 收音机爱 好者资料库