Akai-AJC3250-cs-sch 电路图 维修手册.pdf

《Akai-AJC3250-cs-sch 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Akai-AJC3250-cs-sch 电路图 维修手册.pdf（9页珍藏版）》请在收音机爱好者资料库上搜索。

1、RadioFans.CN 收音机爱 好者资料库 A B C D 4321 D C B A SizeFCSM No.DWG No.Rev MAIN PCB D:MSLV12R01SCHV12MR01.SCH C957 220uF/16V R943 +3V3 C931 682M C930 2PF C950 104 C955 103M(333M) C954 102M(152M) C947 104p C949 393M Q907 9015C R958 22 C952 100uF/10V C951102p C944 220P() R95368K() R94568K C945 222M R954180K(

2、120K) C9430.1u R951 47K(33K) C942153 R947100K R949120K C941 3u3/10V R94847K C948 682M R9468K2 C902 100U/10V 1 2 3 4 5 6 CN902 SPINDLE MTR SP+ SP- SL+ SL- GND LIMIT C935 C933 4.7u/10V R94115K(12K) R942 R921 1K8 C912 333 R930 1M C9110.47u/16V R926 8.2K R929 8K2 R934 82K C914 0.47uF/16V R93310K C913 10

3、3P R932 1Koptional R925 27K R924 3.3K C909 473 C910 104 C90733p C906 33p X901 16.9344M +3V3 +5V +3V3 C901330uf/16V XRST MLT MDATA MUTE MLT MDAT MCK 1 2 +8V R956 150K R955 1K R957 150K R950150K(100K) C946 102P C940103 C9561uF R974 100K R927 15K R928 15K R973 100K R938 39K R937 39K C920 10uF/16V C9191

4、0uF/16V C918 68P C917 68P R916 2K2Optional SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 R9204.7K 1 2 3 4 5 CN906 LCD EXTENSION C966 0.1uF/16V Q903 9014C D9021N4148 D901 1N4148 C904 1U R904 22K +3V3 DO1.- 1 DO1.+ 2 DI_1.1 3 DI_1.2 4 REG 5 REO 6 MUTE 7 DI_2.1 9 GND1 8 DI_2.2 10 DO2.+ 11 DO2.- 12 GND2 13 OP_OUT

5、14 OPIN(-) 15 OPIN(+) 16 DO3.- 17 DO3.+ 18 DI_3.1 19 DI_3.2 20 VCC1 21 VCC2 22 VREF 23 DI4.1 24 DI4.2 25 DO4.+ 26 DO4.- 27 GND3 28 KA 9258 D IC901 KA9258D C908 103 R923 3.3K SUBO SSP ISTAT MCK MDATA SOS1 CONTROL BOARD R922 C905 220u/16V 1-A 2-A 1-B 2-B L901 10uH X2optional C91633P C91533P R914 R915

6、R905 10K R913 R906 10K R912 R910 R911 R917 10K R9184K7 +3V3 +3V3 D904 1N4148 D905 C953 102M(103M) Q9018550C Q902 8050C R901 150 ZD901 3.9V C903 100U/10V C921 100U/10V +3V3 +5V LD 37 PD 38 PD_AC 39 PD_BD 40 PD_E 42 DCB 43 MCP 44 DCCI 45 DCCO 46 VREF 47 EQC 48 RFN 1 RFO 2 EQ_I 3 EQ_O 4 EFM_I 5 VCC 6 F

7、RSH 7 FSET 8 FLB 9 FGD 10 FS1 11 TGU 12 ISAT 13 MCK 14 MDATA 15 MLT 16 XRST 17 CLV_I 18 WDCK 19 LOCK 20 EFM_O 21 ASSY 22 SPM 23 SPO 24 SLM 25 SL_O 26 SL_P 27 TE_M 28 TE_O 29 FE_M 30 FE_O 31 GND 32 TZC/SSTOP 33 TE_1 34 LPFT 35 ATSC 36 S1L9226 PD_F 41 IC904 S1L9226 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

8、16 CON903 CON16P2 +3V3 Vref E D A B C F GND LD VR PD FCS(+) TRK(-) TRK(+) FCS(-) R96382K R96482K R96039K R95939K R961 39K R96239K +3V3 C958 100U/10V RFO C932 273M(103M) C937104(333M) C936 473M C938 102 R94410K C939 104M(104) VREFVREF VREF DPD_O 1 DPF_IN 2 DPF_OUT 3 CNTVOL 4 DAT_X 6 X_IN 7 X_OUT 8 WD

9、CH_O 9 LRCH_O 10 ADATA_O 11 DVss1 12 BCK_O 13 C2PO 14 VREFL2 15 VREFL1 16 AVdd2 17 RCH_OUT 18 LCH-OUT 19 AVss2 20 VREFH1 21 VREFH2 22 EMPH 23 LKFS 24 SOS1 25 XRST 26 /ESP 27 SQCK 28 SQDT 29 SQOK 30 SBCK 31 SDATA 32 DVdd_1 33 MUTE 34 MLT 35 MDATA 36 MCK 37 RD7 38 RD6 39 RD4 41 RD3 42 RD2 43 RD1 44 RD

10、0 45 FLAG1 46 FLAG2 47 FLAG3 48 FLAG4 49 FLAG5 50 /PBCK 51 DVss2 52 FSDW 53 ULKFS 54 /JJT 55 C4M 56 C16M 57 /WE 58 /CS 59 XTAL_SEL 60 TEST 61 CDROM 62 SRAM 63 TEST1 64 EFM_I 65 ADATA _I 66 /ISTAT 67 TRCNT 68 LOCK 69 PBFR 70 SMEF 71 SMON 72 SMDP 74 SMDS 75 BCK_I 76 TESTv 77 DSPEED 78 LRCH_1 79 AVdd1

11、80 S5L-9286-F02 AVss 5 RD5 40 DVdd2 73 IC903 S5L- 9286- F02 +3V3 SOS1 XRST SQCK SUBO SSP ISTAT MCK LOCK LOCK DSP ISTAT SEG_G/5/ 23 SEG_B/6/ 24 SEG_C/4/ 22 SEG_D/3/KOUT_3 21 SEG_E/2/KOUT_2 20 SEG_F/1/KOUT_1 19 SEG_A/0/KOUT_0 18 COM_2 17 SEH_H/ 25 R_SYNC 26 DSP_ISAT 27 MUTE 28 SQCK 29 VDD 30 COM_1 16

12、COM_0 15 KIN_1/CLSW 14 SODT 12 SSP_ISTAT 11 MCK 10 MDATA 9 MLT 8 XRST 7 SOS1 6 N.C 5 TEST 4 X-IN 3 X-OUT 2 VSS 1 KIN_0 13 IC902 57P01504-MC&T XRST R90222K R903 22K MLT SQCK MUTE DSP ISTAT D9034148 DOOR SW 1 2 CON904 TO CD DOOR Q904 9014C Q905 9014C Q906 9014C +5V R907 1 R908 1 R909 1 1 2 CN? CON2P2

13、CLOSE SW KIN_0 KIN_1 COM_0 COM_1 COM_2 1 2 3 4 5 CON604 CON5P2 SW605 STOP SW603 PROG SW601 NEXT SW602 BACK SW604 PLAY SW606 REPEAT SEH_H/ 1 2 3 4 5 6 7 8 9 CON609 CON9P2 D603 4148 D602 4148 D601 4148 R_SYNC SYNC R-SYNC C934 22U/10V LCH GND RCH AUDIO OUT TO MAIN PCB R96582 SAMSUNG CD-RW LED BOOM BOX

14、APPLICATION CIRCUIT Revised Version 1.0 Date : 2001.08.28 Short circuit Q904,Q905,Q906 B-E junction for LCD display FE_O TE_O SL_OSP_O C967 103P R969 100K NOTE: R946 22K-8K2,C942 683-153,R941 10K-12K, R967 1K R968 1K R975 100 C937 104-333M,C936 104M-473M,R929 22K-8K2 C941 10U-3U3 C974 102 C973 102 C

15、971 102 C972 223 C981 223 C976223 C977 223 C978 223 C983 102 C975 102 1 2 3 4 5 6 7 8 9 CN907 TO CTL PCB A F E D C G B A F E D C G B D 1 COM_0 2 E 3 C 4 COM_2 5 B 6 A 7 F 8 G 9 COM_1 10 DISPLAY601 EI-2040APR3 LED601 PROG LED603 PLAY LED602 REPEAT KYSHO V12RW01 CDRW SAMSUNGLED DISPLAY CHANGED 2002.07

16、.30(SOLVE THE CD SIGNAL PLAY NOISE) K1 E K0 A F +5V GND REMOTE SECTION V12R01REM.SCH KIN_0 KIN_1 COM_0 COM_1 COM_2 CHANGED FROM +3.3V TO +5V FOR SOLVING PLAYING NOISE CURRENT LIMITED RESISTOR RadioFans.CN 收音机爱 好者资料库 V 6 R L W . s c h - 1 - F r i A u g 2 3 1 5 : 0 3 : 0 6 2 0 0 2 RadioFans.CN 收音机爱 好者资料库 V 6 T . s c h - 1 - F r i A u g 2 3 1 5 : 0 4 : 3 1 2 0 0 2