Panasonic-SAEN28P-cs-sm 电路图维修手册.pdf

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1、MAIN UNIT RADIO Frequency range: FM;87.9 - 107.9 MHz (200kHz steps) 87.5 - 108.0 MHz (100kHz steps) AM;520 to 1710 kHz (10kHz steps) Intermediate Frequency: FM;10.7MHz AM;450kHz CD PLAYER Sampling frequency:44.1kHz Decoding:16 bit linear Beam source:Semiconductor laser (wavelength 795nm) Number of c

2、hannels:2 channel, stereo Wow and flutter:Less than possible measurement data 2007 Matsushita Electric Industrial Co., Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SC-EN28P SA-EN28P SB-EN28P Colour (S).Silver Type System SC-EN28P Main Unit: SA-EN28P Speakers: SB

3、-EN28P D/A converter:MASH(1 bit DAC) Terminals Input:MUSICPORT;3.5mmstereo (33k) Output:PHONES: 3.5mm stereo (32) GENERAL Power supply:AC120V, 60Hz Power consumption:16W Dimensions (WHD):241206206mm (9-1/2”8-1/8”8-1/8”) Mass:3.1kg (6lb. 13oz.) with speakers 1.8kg (3lb. 15oz.) without speakers SPEAKE

4、RS Full range:8cm (3-1/8”), 62 Dimensions (WHD):91mm206mm176mm (3-19/32”8-1/8”6-15/16”) Power consumption in standby mode: 2.0W CD Stereo System PleaseusethismanualtogetherwiththeservicemanualforModelNo.SC-EN27PC,Order No.AD0603021CE. Specifications ORDER NO.AD0704007AE A6 RadioFans.CN 收音机爱好者资料库 No

5、te: 1 Note 2 2 Replacement Parts List 2 2.1. SA-EN28P(CABINET PARTS, ACCESSORY AND PACKAGING) 2 2.2. SA-EN28P(ELECTRIC PARTS) 2 2.3. SB-EN28P 6 3 Schematic Diagram 8 Note: Ref. No. Part No.Part Name markhavespecial characteristics important for safety. Furthermore, special parts which have purposes

6、of fire-retardant (resistors), high- quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufacturers specified parts shown in the parts list. Caution! IC, LSI and VLSI are sensitive to static electricity. Secondary trouble can be

7、prevented by taking care during repair. Cover the parts boxes made of plastics with aluminium foil. Put a conductive mat on the work table. Ground the soldering iron. Do not touch the pins of IC, LSI or VLSI with fingers directly. Indicated voltage values are the standard values for the unit measure

8、dbytheDCelectroniccircuittester(high- impedance) with the chassis taken as standard. Therefore, theremayexistsomeerrorsinthevoltagevalues, depending on theinternalimpedanceof the DC circuit tester. No mark: All VR is set as a center position. Important safety notice: Componentsidentifiedbymarkhavesp

9、ecial characteristics important for safety. Furthermore, special parts which have purpose of fire- retardant (resistors), high-quality sound (capacitors), low- noise (resistors), etc. are used. When replacing any of components, be sure to use only manufactures specified parts shownintheparts list. C

10、aution! IC and LSI are sensitive to static electricity. Secondary trouble can be prevented by taking care during repair. Coverthepartsboxesmadeofplasticswith aluminum foil. Ground the soldering iron. Put a conductive mat on the work table. Do not touch the legs of IC or LSI with the fingers directly

11、. 8 SC-EN28P / SA-EN28P / SB-EN28P 3.2. Schematic Diagram 121110987654321 A B C D E F G H FOCUS COIL TRACKING COIL M M B C D E A A B C D M702 SPINDLE MOTOR M701 TRAVERSE MOTOR ABDC C705 0.1 C704 6.3V330 DCBA R720 5.6K R722 56K C719 3300P R717 5.6K R719 68K C718 2700P C716 0.033 R712 100 R713 6.8K R7

12、1422K R716 3.3K C717 0.15 R715 1K C753 6.3V100 IC700 BA5948FPE2 FOCUS COIL/ TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE 15161718192021 141312111098 232425262728 654321 VIN3 VIN4 BIAS Vcc NC GND PVcc2 PGND2 NC VO4+ VO4- VO3+ VO3- VIN2 MUTE2 VIN1 MUTE1 NC NC NC GND NC PGND1 PVcc1 VO1- VO1+ VO2-

13、 VO2+ 7 22 NC NC R710 100 C756 0.1 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 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 70 71 72 73 74 75 76 77 78 79 80 1234567891011121314151617181920 TX FLAG MCLK MDATA MLD STAT BLKCK NRST DVSS3 X2 X1 IO

14、VDD2 DQSY TXTD TXTCK GID0 GID1 GID2 GOUT0 GOUT1 EXT0 EXT1 EXT2 PWMSEL SPOUT SPPOL TRVP TRVM TRVP2 TRVM2 TRP TRM FOP FOM IOVDD3 DVDD1 DVSS1 ADPVCC TEIN FEIN CEA RFENV FEOUT FEN TEN TEOUT VREF PD LD E F D B C A DCDET RFVDD RESERVE RFOUT RF IN CAGC ARF AVSS2 ARF IN DSLF IREF PLLE PLLF0 AVDD2 OUTL AVSS1

15、 AVREF AVDD1 OUTR DVSS2 IOVDD1 DVDD2 LON IOMODE NTEST 1710987612345 I H C741 1000P C742 1000P R738 1K R737 1K C743 6.3V330 C747 0.1 CN702 AB S700 (REST) A C B DABC C727 0.047 R727 39K IC701 MN6627953HB SERVO AMP/SERVO PROCESSOR/ DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER Rch OUT STAT RE

16、ST SW /RST SQCK SUBQ MLD BLKCK A.GND Lch OUT 111213141516 D.GND D MDATA E F MCLK F P.GND +5.5V LD SW +3.3V HI 16 1 15 14 13 12 11 10 CN701 9 8 7 6 5 4 3 2 16 1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 VE VB VA VF VC NC MPD LD GND VREF Vcc NC TR+ TR- FO+ FO- 123456 789101112 LD MPD NC VC VF VA GND NC VS Vcc

17、 VE VB A B C D E F G H I AB CDEFG HI OPTICAL PICK-UP 0.22 0.22 A B C D 1 SCHEMATIC DIAGRAM-1 ACD SERVO CIRCUIT NOTE: The number which noted at the connectors on the schematic diagram as SCHEMATIC DIAGRAM-1 or SCHEMATIC DIAGRAM-2 indicates the schematic diagram serial number located on the left corne

18、r in the schematic diagram. SA-EN28 CD SERVO CIRCUIT DIAGRAM To MAIN CIRCUIT(CS701) C Q700 2SB0709A0L LASER POWER DRIVE X700 (16.9344MHz) A B C D E F R7055.6K R7068.2K R7078.2K R7085.6K R7118.2K R7510 C E B D A C720 6.3V33 R721 4.7 R718 5.6 G G E D R74768K R74868K R74968K R75068K R741 100 C746 22P C

19、745 22P R740 1M C750 0.01 R7421K R7440 C744 220P C748 220P C749 220P R733 5.6 R731 82K R73568K R73668K R73968K C757 0.1 E R730 5.6K R729 5.6K R728 5.6K R726 1K C722 820P R725 27K C754 0.039 R723 1K C726 470P R724 3.3K C721 4700P F C7230.1 C724 0.1 C730 820P C729 0.1 R734 100 C738 6.3V220 C739 0.1 C7

20、31 0.022 C732 0.1 C735 6.3V100 C734 0.1 C7360.082 C7331000P R732 820 C R704 5.6 C709 6.3V100 C707 0.1 VREF C762 6.3V10 RF C740 0.01 C751 470P C752 0.1 R743 1K 2.5V2.5V2.5V2.5V5.8V5.8V1.6V 1.6V1.6V3.4V (0V) 2.5V2.5V2.9V (3.3V) 5.8V (2.4V) 2.9V 5.8V1.6V1.6V :CD PLAYBACK SIGNAL LINE:POSITIVE VOLTAGE LI

21、NE 5.8V (2.1V) 1.2V 2.8V (2.3V) 3.4V 0V 0V 0V 3.5V 1.6V (0V)3.4V 1.6V 1.6V 1.6V 3.5V 1.5V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V (3.1V)3.4V (2.3V)2.8V (2V)1.7V (2V)1.7V 1.6V (2V)1.7V (2V)1.7V (2V)1.7V (1.6V)0.7V 3.4V (1.4V)0V (2.1V)1.7V 0V(1.7V) 0V(1.4V) 1.7V(1.6V) 1.7V(1.6V) 0.8V 1V(1.8V

22、) 1V(1.8V) 3.4V 1.5V 3.1V 1.5V 3.5V 1.5V 3.5V 3.5V 3.3V 3.3V(3V) 3.3V 0V(1.6V) 0V 3.3V 1.5V(1.4V) 1.5V(1.4V) 3.5V 0V 0V 0V 0V SC-EN28P / SA-EN28P / SB-EN28P 9 SC-EN28P / SA-EN28P / SB-EN28P 10 SC-EN28P / SA-EN28P / SB-EN28P 11 SC-EN28P / SA-EN28P / SB-EN28P 12 3.3. Voltage Value 13 SC-EN28P / SA-EN2

23、8P / SB-EN28P 14 SC-EN28P / SA-EN28P / SB-EN28P 4 Printed Circuit Board Diagram 12345678910111213 A B C D E F G H Note: This printed circuit board diagram may be modified at any time with the development of new technology. CD SERVO P.C.B. A IC701 IC700 CN702 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 CN

24、701 M M S700(REST) J J J J J J J J J J J J J J J C720 C753 J J C709 C735 R704 C704 J C751 C743 C762 C738 C749 C734 C754 C757 R723 R726 R748 R736 R739 R749 R750 R735 C750 C740 C746C745 R742 R747 R740 R741 C747 C739 C748 C744 R744 C722 C721 C726 C729 C724 C727 C730 R725 R708 R711 R738 R734 R727 R724 C

25、707 C756 C723 R721 R751 R705 R718 R706 R707 C BE Q700 C752 C741 C742 C733 C736 C732 C731 R737 R733 R731 R732 C719 R715 R710 R720 R717 C716 C717 C718 R728 R729 R743 R722 R719 R716 R730 R712 R713 R714 C705 X700 1 2 3 4 5 68 9 10 11 12 13 14 15 16 177 1581014 152021222528 7 1 5 10 15 20 21 25 30 35 40

26、41 45 50 55 6061 65 70 75 80 M701 (TRAVERSE MOTOR) M702 (SPINDLE MOTOR) VREF RF (REP3875B) SA-EN28(P) CD SERVO P.C.B. SC-EN28P / SA-EN28P / SB-EN28P 15 12345678910111213 A B C D E F G H MAIN P.C.B. B 151015 1920 18 25303536 IC1 123456 P601 1 2 3 4 5 68 9 10 11 12 13 14 15 16 FP701 177 123456 P351 1

27、5101516 2017253032 IC301 1 5 10 15 20 25 26 30 35 40 45 5051 55 60 65 70 75 76 80 85 90 95 100 IC801 IC601 JK601 (PHONES) J J J J C407C507 C602 C601 JK602 (SPEAKERS) J J C604 C113 C213 C311 C309 C310 R319 R601 R318 R206 R106 J J J J J J J J J J J J J C827 C814 C815 C801 C820 D801 D802 D803 L801 L802

28、 J J J J J J J J J J J J J J J J J J J J J J J J 12 P352 J J J J J J J X802 X801 1 2 3 4 5 68 9 10 11 12 13 14 15 16 19 2018 1721 22 23 24 25 26 FP801 7 3 2 1 P1001 J J J J J J J J J J J J J J J J J J J J J J J J J J C31 C21 C22 C20 C19 X1 C47 3 2 1 P1 J J L1 L5 L8 L3 J L2 L6 L7 CF1 C4 C24 C32 C30 C

29、40 C23 C17 L51 1 2 3 CF2 1 2 34 6 1 4 2 2 2 3 3 3 1 6 6 4 J J J J J 1 C16 C3 C12 C46 C36 C26 C39 C34 C10 C9 C1 C43 C2 C13 C5 C7 C8 C6 C11 C18 C28 C37 C35 C29 C48 C27 C25 C33 C15 C52 C41 C359 C44 R10 R5 R2 R9 R14 R22 R20 R17 R18 R11 R31 R16 R323 R35 R29 R13 R322 R4 R8 R6 R7 R37 R12 R30 R25R23 R34 R33

30、 R24 R36 R28 R32 R3 R1 J J J T1 D4 C315 C216 C612 C616 C116 C609 C615 C611 C358 C610 C608 D301 B C E Q302 B C E Q303 J J J J J J J J J J J J J J J J J J R614 J J J J J J J J J J J J J J J J J J J J J J J J J J J J J Q615 E C B D614 D615 D612 D613 D601 D608 IP602 JW901 1234 R627 Q611 CBE Q603 CBE Q60

31、8 CBE Q605 CEB D610 D607 D611 D602 D604 D603 D605 J J J R622 R621 R624 R623 R626 R625 R616 C BE QR619 QR621 C B QR620 C BE Q617 C BE Q612 C BE Q613 C BE Q604 C BE E QR618 C BE QR614 C BE R636 R644 R642R637 R638 R641 R640 R632 R639 R643 R629 R612R613 R628 R631 R633 C301 C356 C357 C305 R304 R305 R313

32、R312 R309 R307 R302 R301R303 R634 R619 R618 R617 R615 R502 R103 R203 R211 R201 R101 R862 R811 R817 R827 R825R832 R808 R835 R837 R803 R804 R801 R802 R840 R826 R819 R807 R830 R841 R836 R831 R809 R818 R824 R820 R105 R205 R110 R111 R113 R402 R210 R213 R212 R209 R109 R104 R204 R102 R202 R107 R608 R403 R5

33、03 R108R208 R607 R316 R317 R207 R112 R604 R603 R635 R308 R306 Q301 C BE R325 R630 R620 R605 Q606 C BE QR609 C BE Q607 C BE Q501 C BE C402 C403 C502 C115 C205 C105 C204 C104 C215 C203 C103 C803 C830 C804 C810 C819 C817 C818 C826 C828 C829 C802 C805 C811 C809 C807 C806 C808 C812 C813 C312 C313 C218 C1

34、19 C118 C603 C503 C117 C208 C108 C106 C206 C107 C207 C209 C212C211 C114 C214 C110 C112 C111 C122 C109 C210 C222 C219 C217 Q401 C BE 1 67 12 10 5 QR803 C BE Q801 C BE Q802C BE R875 R829 R838 R812 R816 R815 R814 R813 R823 R822 R864 R865 R839 R877 R876 R878 R833 R828 R874 R861 R860 C821 C822 QR804 C BE

35、 C51 D1 D2 D3 Q1 C BE SA-EN28(P) MAIN P.C.B. (REP4044A) 1 2 3 4 X2 SC-EN28P / SA-EN28P / SB-EN28P 16 12345678910111213 A B C D E F G H OPERATION P.C.B. H POWER TRANSFORMER P.C.B. I SW P.C.B. G R849R850 R851 R848 R847 R846 JW601 123456 JK603 (AUX) JK901 (120V 60Hz) AC IN J J J J L901 T901 (POWER TRAN

36、SFORMER) F901 1.6A ZA901ZA902 D901 C901 D906 D904 C904 D902 C902 D903 C903 1234 P901 1 2 JW352 S351 S808 ( / ) R852 R509 R409 L601 S807 (CD / ) S806 (TUNER/ BAND) S805 ( / ) S804 ( / ) S803 (VOLUME ) S802 (VOLUME ) S801 (POWER / ) SENSOR P.C.B. E JW1001 1 2 2 3 3 D1001 Z1001 (REMOTE SENSOR) 1 C1001

37、SA-EN28(P) LCD, LCD BACK-LIGHT, MOTOR, SENSOR, SW, OPERATION,POWER TRANSFORMER P.C.B. LCD BACK-LIGHT P.C.B. D LCD P.C.B. C D1003 R1003 1 2 JW801 D1002 C1002 Z801 1510152024 2 1 JW8011 FFC801 1510152025 26 MOTOR P.C.B. F JW351 1 2 3 4 5 6 C353 IC351 159 S352 (CD BOTTOM DET.) M351 (LOADING MOTOR) M J (REP4044B) (REP4044B) (REP4044B) (REP4044B) (REP4044B) (REP4044B) (REP4044B) R901 SC-EN28P / SA-EN28P / SB-EN28P 17 SC-EN28P / SA-EN28P / SB-EN28P 18 5 Cabinet Parts Location 5.1. Speaker(SB-EN28) 19 SC-EN28P / SA-EN28P / SB-EN28P K0703HH/YH