Hitachi-CX45-mc-sch 电路图 维修手册.pdf
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1、RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevisionSize D Date:27-Nov-2001Sheet of File:E:HUIskcv3lpcbtoolpcbV3lcd.schDrawn By: 70 71 72 73 74 75 76 77 78 79 80 1 2 3 4 5 6 7 8 9 10 11 25 26 27 28 29 30 31 32 33 34 35 12 13 14 15 16
2、17 18 19 20 21 22 23 24 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 IC1 TC9284BF 2VREF SEL FCS1 FKIC FEL2 FEL1 FEI TESH TEOF SBAD RFRP VREF RFI GNDA DTSC2 MONIT DTSC1 VDDA PDCNT PDO TMAX LPFN LPFO VCIF 39 40 41 42 43 44 45 46 47 48 28 29 30 3
3、1 32 33 34 35 36 37 381 2 3 4 5 6 7 8 9 10 11 15 16 17 18 19 20 21 22 23 24 12 13 1425 26 27 IC2 TA2065F GNDA RO /RO VDA /LO LO GNDA /TEST3 /TEST4 /TEST5 SBOK VDDD GNDD BUS0 BUS1 BUS2 BUS3 /CCE BUCK PFCK /RST SUBSYC SUBD CLCK VDDD GNDD DFCT TEL2 TEL1 TGUL TGUH2 TGUH1 TKIC FMON /TEST1 GNDX XO X1 VDDX
4、 /TEST2 DOUT EMPH AOUT BCK CHCK WDCK FMFB /TEST DMON DMFC DMPC COFS SPDA /HS TESTX GNDD FEL2 FEL1 FHLD FE1 FEO FEN FEP DFIN SBAD RFRP 2VRO VRO RF1 RFO DFCT FMSO FMSN FMSP THLD TS2O TS2N TS2P TSIN TSIP TSO TEL1 TEL2 TSN DMEO DMEN DMEP SEL VCC GND OSC1 COSC FSO FSN TPO TPI TNI TNO FNI FPI LDO MDI RFN
5、/TEST5 R32M2 R433K R10 220K R1310K R1110K R121K C959 22U R2022K R2139K R17 82K C1 470P R1 2K7 R2 1K C8 6P C15 22P R30 1K C29 47U C31 47U R15470K C9 1U R6 27K C12 4.7U R5 2K2 C25 333M C3 473 C16 47U C14682M R19220K R947K R16 33K R7 1M5 C46 220U C61 100U C62 100U 16.9344MHz XTAL1 R31180K C26 273M R291
6、2K C20 10U R9082M2 R273.3K R25 15K C44 153M C27 22U/50V T902 T903 C6810U R56 22K R57 22K SLT MUTE B0 B1 B2 B3 CCE BUCK C10 103M C11 682M C13 25P C19 25P T901 C30 473 C32 473 C17 473 R34 10 Q1 9015C C34 100U L903 100uHEC C2 104 F- T- T+ F+ PD VR LD LG R37 220 D-GND +8V R-CH A-GND L-CH DM+ DM- FM- FM+
7、 SLT GND R66 10K C66 104 C63 104 C64 104 R35 47K R32120K R22 4K7 SKC-V3L SANYO DA11 CD MECH 41 01 C23 104 C6 332M C7 332M C21 472 C18 100P R77 4.7 C45 100U/10V C47 1U/50V C65 100U R5822K R5922K R6022K R6122K 1 2 3 4 5 6 7 8 IC4BA4558N C52 100P R47 15K R946 10K R42 10K R50 10K R43 10K C934 27P R51 10
8、K R44 10K R48 10K R45 10K C58 27P C53 100P R53 15K R54 15K R40 1K R49 15K R52 22KR55 47K R41 100 C54 100U/10V C51 100U/10V C60 100P C59 100P Q4 9014C Q3 9014C C55 4.7U/10V R39 1K C56 4.7U/10V C933 103 C969 220U/16V B-0/P B-1-P B+1/P V- A+1/P A-1/P A-0/P V+ C947 470U/16V C945 104 100K VR2 C24 224M R2
9、410K R263.3K R23 47K C28104 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 TA2092NIC3 C22 104 C35 104 PW_GND2 OUT(-)2 PVCC2 OUT(+)2 VIN2 VC1 VR1 VIN1 OUT(+)1 PW_GND1 OUT(-)1 PVCC1 PW_GND4 OUT(-)4 PVCC4 OUT(+)4 VIN4 SVCC1 SGND VIN3 OUT(+)3 PVCC3 OUT(-)3 PW_GND3 C4 104 C39 104 C36 104
10、1 2 3 4 5 6 CON3 6P 2.0 1 2 3 4 5 6 7 8 9 CON5 9P 2.0 3.2K VR1 R72 680K R7568K R7639K C67103M A C D F E B COM R33 2.2K C33 103 1 2 3 4 5 CON4 5 PIN R18 12K C5 152M 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN902 15 PIN C50 470P C49 470P Q5 9015C R62 10K R70 10K CLT 1 2 J78 2P 2.0 Q2 78L05 C70 102 1 2 3 4
11、5 6 7 8 CON1 8P 2.0 1 2 3 4 5 6 7 8 CON2 CON8 R73 4.7K R74 10K 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A2 Date:27-Nov-2001Sheet of File:E:HUIskcv3lpcbV3lctl.schDrawn By: 70 71 72 73 74 75 76 77 78 79 80 1 2 3 4 5 6 7 8 9 10 11 25 26 27 28 29 30 31 32 33 34 35 12 13 14 15 16 17 18
12、19 20 21 22 23 24 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 IC201 TC9314F-039 R217 1.8K PREAET 3 VOL-UP VOL-DM TRAY-OPEN TRAY-CLOSE BUS 0 BUS 1 BUS 2 BUS 3 CCE/B0 BUCK/B1 DOOR-OPEN DOOR-CLOSE PU-INNER CD-REC MODE MUTE IND F0 F1 R_0 R_1 POWE
13、R MUTE REMO CON R218 1M R2194.7K C208330P C224 104 C201 25P C20225P C205 220U/10V C206 104 33 CH TRACK REMAIN MEMORY MHz KHz LW TV MW PM FM AM SW 1 2 INTRO REPEAT RANDOM TIMER ON OFF SLEEP TAPE CLASSIC ROCK C222103 C220 1U/50V Q204 9014 Q203 9014 C223 104 C204 47U/10V X201 75KHz AUX POP JAZZ PLAY D2
14、04 4148 D205 4148 D206 4148 D220 4148 D221 4148 CD/P.PTUNER/BANDTAPE POWER REPEATMEMORY UPDNSTOP SLEEP D207 4148 D208 4148 D209 4148 D210 4148 FUNCTION 4148 T1 4148 T0 4148 M/RANDOM 4148 A0 4148 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 DISPLAY 33PIN D
15、226 4148 D225 4148 D219 4148 C2211U/50V D2014148 C207 330P PWR R1.5 RED SUR R1.5 GREEN 1 2 3CN205* 3PIN 2.0 250 26# SURROUND R22310K R222 10K R207 2.2K 1 2 3 V203 RPM6938-V4 R20547 R206 47K 1 2 CN202 FM/OSC CABLE(ONE CORD) R204 2.7K C210103 C211 1U/50V Q202 9014 Q201 9014 R203 47K R221 2.2M D2274148
16、 C209 330P C212 1U/50VC214 104 SURR/IND SURR/SW BUCK CCE BUS3 BUS2 BUS1 BUS0 MUTE SLT CLT 3V PWR/IND F1 VDD GND VDN MUTE VUP CD SYNC F0 POWER R_1 R_0 MUTE I.F. B0 AM IN ST. FM/VT AM/VT VLCD VXT XIN XOUT RESET VDD AMIN FMIN GND DO2 DO1 STEREO/IN IF IN HOLD COM1 COM2 S1-S21 S25-S30 K0 K1 K2 K3 1 2 3 4
17、 5 6 7 8 9 CN210* 9PIN 2.0 300 28# D228 4148 B1 2 1 3 1 2 3 4 5 6 7 CN213* 7PIN 2.0* 1 2 3 4 5 6 CN212* 6PIN 2.0* 1 2 3 4 5 6 7 8 9 CN204* 9PIN 2.0 300 28# KR7 KR0 KR1 KR2 KR3 KR4 KR5 KR6 K0 K1 K2 K3 13PIN 2.0 300 28# SKC-V3L CONTROL SECTION SCHEMATIC 2 1 1234 A B C D 4321 D C B A Title NumberRevisi
18、onSize D Date:27-Nov-2001Sheet of File:E:HUIskcv3lToolpcbv1SKC0159.SCHDrawn By: 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 IC2 TA2O57N 1 2 3 4 5 6 12 11 10 98 7 13 14 15 16 IC4 TC4052BP 1 2 3 4 5 6 12 11 10 98 7 13 14 15 16 IC5 TA8173AP 1 2 3 4 5 6 12 11 10 98 7 13 14 15 16 IC6 P
19、T2253A 1 2 3 4 5 6 12 11 10 9 8 7 IC3 TA8227P 1 2 SPK1 1 2 SPK4 1 2 SPK3 1 2 SPK2 1 2 3 4 5 6 7 8 9 IC301BA3308 C141 100P C142 100P C132 152M C137 152M C133 332M C134 332M C135 332M C136 332M C138 104 C139 100U/16V C192 220U/10V R148 100 C146 3.3U/25V C145 473M Q8 9014C Q10 9014C Q15 9014C Q16 9014C
20、 R166 1.5K R187 22K R152 10KR153 6.8K R154 47K R155 4.7K C130 103 R144 220K R156 3.3K R167 1K 1 2 3 CN1 3PIN 2.0 R157 1K R158 1K C147 1U/50v C148 1U/50v R111 100 R149 22K C140 10U/10V C143 1U/10V C144 1U10V C48 683M C46 683M R41 4.7K R40 4.7K 2 1 3 SW4A SW1-2 5 4 6SW4B SW1-2 R146 4.7K R147 4.7K R159
21、 10K R161 100 R162 100K R163 33K C154 220U/10V C155 220U/10V C152 1U/50V C150 4.7U/16V C149 4.7U/16V C153 1U/50V R160 10K R190 100K C127 3.3U/25V C157 4.7U/10V Q17 9014C Q18 9014C R134 15K R164 10K C156 4.7U/50V 1 2 3 4 CN22 4PINS 2.5 1 2 3 4 CN22* 4X2.5 26# 170 450 9 1 2 3 6 5 4 8 7JK2 C161 100U/16
22、V C160 100U/16V C165 1000U/16V C166 1000U/16V C170 104M C169 104M R170 2.2 R171 2.2 R168 68 R169 68 C164 100U/16V C163 100U/16V C162 10U/16V C168 100U/16V C175 102 C174 102 C177 1U/50V C178 1U/50V C167 1000U/16V C129 100U/16V Q112 9014C R5 10K R173 150 R172150 1 2 CK2 SOCKET T? TRANSFOMER F1 2A/250V
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