Teac-R-12-Service-Manual电路原理图.pdf

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1、EXPLODE VIEW PARTS LIST R-12 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 86745231 E D C B A SCHEMATIC DIAGRAMR-12 AM/FM Stereo Radio R - -12 AUX AM FM OFF SW401-4 POWER SW AUX AM FM OFF SW401-3 FUNC.SW FUNCTION SW PCB AUX AM FM OFF SW401-2 L-CH AUX AM FM OFF SW401-1 R-CH GND POW OUT POW IN +5V-1

2、 AM LED TU-LIN AUX-LIN R-OUT TU-RIN AUX-RIN L-OUT 2+ 6P LED403 BLUE AM LED GND CW202 AM LED PCB FM/AM P=2.5MM R456 47K R455 47K VR403-2 B503 VR403-1 B503 VOLUMEVOLUME LED401 POWER LED GND R-OUT L-OUT LED 15P P=1.25MM LED VC POW OUT POW IN +5V AM LED TU-LIN AUX-LIN TU-RIN AUX-RIN FM/AM 5 4 3 2 1 10 9

3、 8 7 6 11 12 13 14 15 CN401 CN201 VCC 3P P=2.5MM BAT- BAT+ TS NTC 3 2 1 CW204 L102 AM-IF1 L103 AM-IF2 L104 FM-RF L105FM-OSC L106AM-OSC C108 8P C110 25P L107 AM-ANT R-OUT FM/AM VCC GND C106 223M C107 331 R101 2K7 R102 68K R103 2K2 C105 102 C119 4.7/50 C120 100/16 C117 0.47/50 C116 0.47/50 C115 1/50 L

4、101 0.1uH CF104 JT10.7MG57-A CF102 L10.7MA5-A CF101 SFU455B CF103 L10.7MA5-A C109 104 C11118PF C114 1/50 C113 1/50 C112 2.2/50 C101 47P C102 103 C103 223M C104 223M 1 NC 2 AF-LO 3 AF-RO 4 PILFIL 5 FM-DEM 6 IF GND 7 FM-IF2i 8 VSTABb 9 FM-IF1o 10 AM-IF2i/o 11 FM-IF1i 12 VSTABa 13 FM-MIXER 14 AM-MIXER

5、15 AM-IF1i 16 FM-RFi 17 FM-GND 18 AM-RFi 19 RIPPLE 20 AGC/AFC 21 FM-RFo 22 SUBGND 23 FM-OSC 24 AM-OSC 25 Vp 26 IND 27 AM/FM SW 28 AFo 29 MPXi 30 ST-LED 31 LPF-M/S 32 MUTE IC101TEA5711T 6P P=2.0MM AM LED Q101 2SC945 R104 4K7 R105 100K LED402 BLUE FM LED GND P=2.0MM R106 150 FM LED PCB 1 2 3 4 CN102 C

6、W203 R107 150 4PIN EQ/VOLUME PCB BCP RENUT C427 124FCC425 124FC R440 47K C428 124FC R443 27K R441 30K + - IC402 JRC4580D 5 6 R439 47K 4 7 8 1 2 3 C435 10/16 R435 5K6 R448 330 R438 5K1 R445 1K C423 564FC C426 124FC R436 5K6 C424 564FC C429 1/50 C430 82PF C434 10/16 C431 82PF R-CH L-CH Q402 2SC945 Q40

7、1 2SC945 C401 10/16 C402 10/16 R401 470K R402 470K R405 2K7 R406 2K7 R403 510 R404 510 R437 5K1 C405 333FC VR401-2 B503 C406 154FC R411 4K7 VR402-2 B503 R415 4K7 R409 2K7 TERBLE-VR C409 472FC C410 153FCR419 10K R413 4K7 BASS-VR C408 333FC VR401-1 B503 C407 154FC R412 4K7 VR402-1 B503 R416 4K7 TREBLE

8、-VR C412 472FC C411 153FC R420 10K R414 4K7 BASS-VR C436 220/16 R407 47K R408 47K C403 10/16 C404 10/16 R417 2K2 R418 2K2 R447 4K7 ZD401 HZ4A1 C432 272FC R444 27K R442 30K R446 1K C433 272FC + - IC402 JRC4580D R451 1K R450 12K R449 12K R453 4K7 R454 4K7 C437 103FC C438 103FC R452 1K R431 30K R429 39

9、K + - IC401 JRC4580D 5 6 4 7 8 1 2 3 R433 2K2 C419 103FC C420 103FC C421 394FC R432 30K R430 39K R434 2K2 C422 394FC + - IC401 JRC4580D R427 18K C417 272FC R428 18K C418 272FC R421 27K C415 563FC R423 18K R425 27K R422 27K C416 563FC R424 18K R426 27K C413 10/16 C414 10/16 R410 2K7 6 5 4 3 2 1 CN101

10、 CW101 L-OUT C121 100/16 BATTERY PACK 7.2V ?mA Q403 2SC945 R458 150 VR01 B47K 9 8 7 6 5 4 3 2 1 12 11 10 CN403 CN402 FM ANT 1 2 CN103 CW103 FM ANT GND P=2.5MM 2PIN FUSE201 T1.6AL/250V D101 1N4148 D102 1N4148 R230 180K Q201 2SC945 R225 2K2 R228 10K R227 10K Q202 2SC945 R226 10K 1 2 3 45 6 7 8 O U T S

11、EN SE SH U TD N GN DERRO R TAB FB IN IC204 LP2951 7 -6 +5 4 IC203 LM358 D207 1N4148 D212 1N4148 R270 165K 1% R266 100K R267 1M R268 22K R269 1M D205 1N5392 D213 1N4148 R263 27K C216 104 D202 SS12 D208 1N4148 D201 1N4148 D204 1N4148 D203 1N4148 D210 1N4148 R265 330K R264 10K R256 1 1/2W R255 560 R261

12、 1M R262 1M R258 1M R245 108 1% Q206 2SC945 Q204 2SC945 Q203 2SB772 C220 4700/25 C215 1/50 R271 10K C219(0 1 ) 104 C222 1/50 R259 10K JK204 DC:12V 1000mA INPUT C201 3.3/50 JK202 AUX JACK R217 22K R218 22K R220 47K R219 47K C202 3.3/50 MAIN PCB C223 4.7/50 C224 4.7/50 C226 100/16 MOS201 MTP2955V/IRFU

13、9024N C214 4.7/50 R241 165K 1% R243 560 R249 3K9 1% R242 33K 1% 1 2 3 45 6 7 8 VSS p10 p11 p12 p01 p00 VDD p02 IC205 F9444 R244 100K C227 104 R247 1K5 C217 104 ZD202HZ5C2 8 D209 1N5392 C221 100/25 C218 104 D206 1N4148 D211 1N4148 R257 560 1/4W Q205 2SA733 R252 2K2 R253 47K Q207 2SC945 Q208 2SC945 R2

14、54 10K R260 2K2 ZD201 HZ5C2 C228 10/16 R248 10K PGNG2 VI/1 VC1 SGND VI/2 VC2OUT2+ OUT2- P-GND1 OUT1- OUT1+ VP 3 1 6 5 78 10 12 11 13 4 9 NC 2 IC202TDA7057AQ 1 2 CN205 2P P=2.0MM L SPEAKER 4 OHM SP+ SP- R SPEAKER 4 OHM SP+ SP- 1 2 3 CN206 3P P=2.0MM L203BEAD JK201 HEADPHONE JACK R201 68 OHM R202 68 OHM C203 2.2/50 C204 2.2/50 1 +3 -2 IC203 LM358 L201 10T L202 10T L206 10T L205 10T L208 10T L207 10T C205 103 C206 103 C207 103 C208 103 Ca 6.8/50 C233 103 C234 103 C235 104 L209 1T L212 1T L211 1T L210 1T