JVC-MXJ300-cs-sm维修电路原理图.pdf
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1、SERVICE MANUAL COMPACT COMPONENT SYSTEM No.20864 Aug. 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. MX-J300 MX-J300 Contents Safety Precautions Important for laser products Preventing static electricity Disassembly method Adjustment method Flow of functional operation until TOC read Maintenance
2、of laser pickup Replacement of laser pickup Description of major ICs 1-2 1-3 1-4 1-5 1-24 1-27 1-28 1-28 1-29 Area Suffix A U US UT UP UY UZ Australia Other Areas Singapore Taiwan Korea Argentina Production country mark CD3 CD2 CD1 STANDBY VOLUME CD1 CD2 CD3 PLAY & EXCHANGE FM /AM CD PLAYREC/PLAY AU
3、TO REVERSE EJECT COMPACT DIGITAL AUDIO TAPE MIC LEVEL FULL - LOGIC CONTROL 1 BIT DUAL D/A CONVERTER AUX PHONES PANEL OPEN / CLOSE POWERED ROLLING PANEL MX-J300 + EJECT MIC MINMAX COMPACT DIGITAL AUDIO 1 /CLEAR C D TAPE CLOCKTIMER SLEEP SELECT + RM-SMXJ300V REMOTE CONTROL 23 456 AUX FM/AM FM MODE PLA
4、Y MODECD3CD2CD1 A TAPE - BREC PAUSE SOUND MODE VOLUME ACTIVE BASS EX. SHIFT 789 10+10 SETECHO RadioFans.CN 收音机爱 好者资料库 ABCDEFG 1 2 3 4 5 2-3 MX-J300 TAPE P.B. signal FM / TUNER signal CD signal MAIN signal AM signal MIC signal Main section SHEET 2/6 SHEET 5/6 SHEET 3/6SHEET 3/6 SHEET 4/6 SHEET 6/6 SH
5、EET 6/6 Parts are safety assurance parts. When replacing those parts make sure to use the specified. L2AM BLOCK COIL + C91625V10 R341 220 R3574.7K R133 390 UNF.C R233 390 UNF.C D3021SS133 IN-1 1 NF-1 2 N.C 3 PRE-VCC 4 BIAS 5 OUT 1 + 6 OUT 1 - 7 VCC 8 VSS 9 OUT 2 + 10 SUB G 13 NF 2 14 IN 2 15 OUT 2 -
6、 11 PRE-VSS 12 IC304STK402-120 RY301 12V J303 D3071SS133 Q310 2SC945 R32215 D308 1SS133 D309 1SS133 R32110 R124 1.5K R12382K R125 0.1-2W UNF.MF R126 0.1-2W UNF.MF R2241.5K R226 0.1-2W UNF.MF R33510k R225 0.1-2W UNF.MF R122100K R221680 C220 220P C222 0.018-M C122 0.018-M C119 470P C223 10P C219 470P
7、C12310P C120 220P + C121 50V47 + C218 25V4.7 R222100K R127 150-1/4W R227 150-1/4W R121680 + C124 50V100 R12056KR220 56K + C224 50V100 Q303 2SA1175 Q302 2SC2785 Q304 DTC114ES Q104 2SA1175 Q204 2SA1175 R22382K R312 10K R119 10K R31022K R31147K R309100K L1015uH L201 5uH R12822 R228 22 R12922 R22922 R13
8、0 22 R250 22 R13110K C126 0.1-M C125 0.1-M C225 0.1-M C226 0.1-M R313470 R23110K R3152.2K R314470K R232 390 UNF.C R132 390 UNF.C + C314 25V10 + C31550V1 + C318 16V22 + C31616V47 + C221 50V47 + C118 25V4.7 D304 1SS133 R2361K R1361K R3232.2K R135 10K R23510K Q206 2SD2144 Q105 2SD2144 Q311 DTC114ES R13
9、7100K R237100KR316100K R1172.2K R2172.2K Q308 2SC2785 Q307 2SC2785 R32410K 1 2 3 4 CN302 Q309 2SC2785 Q103 2SD2144 Q203 2SD2144 Q202 2SC2785 Q102 2SC2785 1 2 3 G 45 6 7 VCC 8 + - + - IC303 BA15218 R219 10K R3341K R30447 R30722K R118 4.7K R218 4.7K C210 0.082-M C2110.082-M C110 0.082-M C111 0.082-M C
10、112 0.0056-M C212 0.0056-M C3050.1-M C3040.0012-M C3080.01 C307 100P R2095.6K R109 5.6K C1130.12-M C213 0.12-M + C306 10V22 R3021K R3031K + C30916V47 C1140.1-M C214 0.1-M R281 10K R181 10K + C11510V100 + C117 25V4.7 + C217 25V4.7 + C21510V100 + C31010V100 R2142.2K R1142.2K R113120K R213120K R111 1.2
11、K R115 2.2K R1102.7K R211 1.2K R2102.7K R2126.8K R1126.8K D301 MTZ5.1J R215 2.2K R305220 + C31116V47 R11610K R21610K D3031SS133 + C208 25V4.7 + C108 25V4.7 J301 AUX-L AUX-R + C10250V1 + C20250V1 R10139K R20139K R2026.8K R1026.8K C101 100P C201 100P C3011000P L301 F.B J1 FLAME GND 1 2 3 4 5 6 7 8 9 C
12、N901A(1/2) CN901B(2/2) D909 1SS133 D906 1N4003 R907 1K + C912 63V47 + C913 50V22 + C917 50V2.2 Q901 2SA934 D907 MTZ33J R903 2.2K C914 0.01 R904100 R905100 R902 100 1/4W UNF.F D908 MTZ6.2J + C915 50V22 D910 MTZ6.2J R90610K Q903 DTC114YS Q902DTC114YS Q905 2SC2785 Q904 2SB1375 Q906 2SC2785 R91022K R912
13、 470 R909 47K R9116.8K C918 0.01 D911 MTZ5.6J + C91910V100 Q9072SB1375 Q908 2SA1175 Q912 DTC114YS Q911 2SC2785 Q910 DTC114TS Q909 DTA114TS R9141 R9151 R9161 R913470 D913MTZ12J D912MTZ13J R9171K R9186.8K + C92025V10 + C922 25V10 + C921 16V100 + C92316V100 R3263.3K R3256.8K D3151SS133 Q9132SA1175 Q914
14、 2SC2785 D9141SS133 + C92510V22 R9292.2K R9311K R92833 R930100K + C92416V47 + C322 25V10 D305 1SS133 C904 0.068-M C901 0.068-M C902 0.068-M C903 0.068-M + C906 50V3300 + C905 50V3300 D902 1N4003 D903 1N4003 D905 1N4003 D904 1N4003 C9070.1C9090.1 C9080.1C9100.1 + C91125V4700 R9014.7K R908 2.2-1/4W UN
15、F.F Q301 2SC2785 R30610K + C31225V4.7 + C313 16V47 R308 470 1 2 3 4 5 6 7 8 9 CN301 REC-L A.G REC-R SW9V PB-L A.G PB-R M.B M.G + C10925V4.7 + C20925V4.7 + C319 16V1000 D312 1N4003 D311 1SS133 L303 10uH + C20350V1 + C10350V1 R13410K R23410K R13910K R23910K D314 1SS133 Q313 2SC2785 + C230 50V1 R151 22
16、K R339 15K R251 22K R338 390 R3361K + C329 50V1 Q314 2SC2785 + C130 50V1 R342 820 R340 33 R337 100K R34310K R344100K + C330 25V4.7 + C33150V1 D316 1SS133 1 14 2 15 3 16 4 17 5 18 6 19 7 8 9 10 11 12 13 CN303 L304F.B + C32410V220 + C228 25V4.7 L302 F.B M.G 8V PRT SPK SMUTE PCNT (ECHO) (KOK) VDATA VCK
17、 MPX AHB FTU SFTY 6V TUCE N.C LVL SDI SDO DG FL1 FL2 -35V SCK 1 14 2 15 3 4 5 6 7 8 9 10 11 12 13 CN305 1 14 2 15 3 4 5 6 7 8 9 10 11 12 13 CN304 MCMD MSTAT +8V +8V M.GND MRDY M.GND OUT.R A.GND A.GND OUT.L D.GND D.GND BU5V BU5V TX MCS MCLK MRESET R328220 R329220 R330220 R331220 R24210K R14210K R241
18、1K R141 1K + C128 25V4.7 Q312 2SC3576 R327150 + C32010V100 C321 0.01 + C205 50V1 + C105 50V1 C3250.01 MCMD MSTAT MRDY MCLK MRESET R332220 C326 1000P C3270.01 C328 0.01 C3230.01 VCK VDATA SMUTE PCNT PRT SPK AHB LVL RIN3 1 RIN2 2 RIN1 3 LIN1 4 LIN2 5 LIN3 6 LIN4 7 MUXO-L 8 IN(L) 9 MUXO-R 10 IN(R) 11 B
19、IN(R) 12 BOUT(R) 13 BIN(L) 14 BOUT(L) 15 LP 16 PS1 17 TRE(L) 18 TRE(R) 19 DGND 20 SCL 21 SDA 22 CREF 23 VS 24 AGND 25 ROUT 26 LOUT 27 RIN4 28 IC301TDA7442D Q106 2SD2144 Q205 2SD2144 R2381K R1381K R SW L GND To CASSETTE UNIT S1 SP-R + SP-L + SP-L - SP-R - SPEAKER OUTPUTTo HEADPHONE S2 S1-GND S1 S2 S3
20、 S3 S4 S4 To SECONDARY F2 PCNT INH -35V F1 D901 TS6B02G R333100K R359 220 + C360 25V10 1 2 3 4 5 CN307 ECHO MIC A.G 9V ECHO D915 MTZ6.8J Q9152SB1375 Q916 2SC2785 D916MTZ9.1J D.G VCC 1 MIC 2 LOUT 3 FK 4 TK 5 LIN 6 BIAS 7 GND 8 RIN 9 LP 10 LP 11 LP 12 ROUT 13 A 14 B 15 C 16 IC351BA3837 + C361 50V1 + C
21、35950V1 R3601K R358 4.7K R36110K + C25125V10 + C151 25V10 C3620.33 C3630.068 JP101 + C35816V22 J302 ANT-TERMINAL RFGND 1 FM_RFIN 2 AM_FIL 3 MIX_OUT 4 VCC 5 AM_IFIN 6 FM_IFIN 7 GND 8 AGC 9 QUAD 10 R_OUT 11 L_OUT 12 LPF1/BAND 13 LPF2/M_ST 14 MPX_IN 15 DET_OUT 16 IF_REQ 17 ST_IND 18 OSC_OUT 19 AM_OSC 2
22、0 FM_OSC 21 AM_RFIN 22 RFVCC 23 FM_RFOUT 24 IC1TA2104BN XTI 1 FM 2 CE 3 DI 4 CLOCK 5 DO 6 VCOSTOP 7 AM/FM 8 LW 9 MW 10 SDIN 11 IFIN 12 FMIN 16 XT 22 VCC 17 GND 21 LPFI 20 LPFO 19 PD 18 AMIN 15 NC 14 IFCNT 13 IC2LC72136 D11SS133 D21SS133 C10.01 X1 VCX5044-001 C51 12P C52 12P C541-TF C55 0.0039 C560.0
23、1 C570.01 C58 0.001 C60 1000P L51 220uH R601K R611K R511K R591K R6347K R57330 R541.8KR554.7K R564.7K R523.3K R534.7K R5810K + C5350V47 + C59 10V100 FLAME GND R171.5K CF110.7MHz R2610K R22 5.6K R23 5.6K R12470K R1356 R11330 R14330 R213.3KR16100K + C34 50V1 + C1910V100 + C3050V1 + C36 10V100 + C3725V1
24、0 C25 330P C320.1 C35 0.01 C120.01 C390.015-M C380.015-M + C41 50V2.2 + C40 50V2.2 C310.1 CF3CDA10.7MG80A C1510P C26470P C140.047 Q12SC1923(O) CF2 10.7MHz R151K R247K R1100K C2 4.7P C180.01 C130.01 R25 2.2K R242.2K L9F.B C330.0015 SCK SDO TUCE T2VQT7A21-111 C43 1000P C42 1000P C30.001 C62100P C63100
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