Philips-CEM-3000-B-Service-Manual 电路图 维修手册.pdf

《Philips-CEM-3000-B-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Philips-CEM-3000-B-Service-Manual 电路图 维修手册.pdf（71页珍藏版）》请在收音机爱好者资料库上搜索。

1、TROUBLE SHOOTING.21-22 2011-11-17 CEM3000B RadioFans.CN 收音机爱 好者资料库 1?Use electr?cal screw b?t to take out f?ve screws ?n back panel and separate back panel and front panel; Take out t?e back panel and t?en take out KB board. METHOD OF DISASSEMBLING CEM3000B T?e procedure of d?sassembl?n钮 t?e un?t? 3

2、?Uplift the CD deck mechanism and take out FFC then take out deck mechanism? ?T?e procedure of d?sassembl?n钮 t?e panel: 1)? Press EJ button and take out panel?take out A screw in top cover of the unit;Use tweezer to prize up top cover as the blue arrow direction which showed as below picture? 2? Use

3、 electrical screw bit to take out B,C two screws in left and right side of metal bracket; Then take out D,E screws in panel base ? EJ? A B C DE 2 RadioFans.CN 收音机爱 好者资料库 3 RadioFans.CN 收音机爱 好者资料库 CIRCUIT DIAGAM MAIN BOARD 1234 A B C D 4321 D C B A R112 2K2 R114 2K2 C37 NC C95 4U7 C1154U7 C944U7 C93

4、4U7 C78 1UF C4104U7 C85 474 C61 474 C88 474 C67 474 R99 1K R107 1K C708 102 C57 102 C82 102 C92 104 R117 47K R109 47K R91 47K R98 47K R88 10K C5 104 Q33 9014C Q25 A1273 R168 22K R255 4K7 C107 474 R144 10K R89 1K R118 1K RR FR RL FL C894U7 F/R- F/L+ F/R+ F/L- R/R+ R/R- R/L+ R/L- F LIME L F LINE R R L

5、INE R R LINE L R1 2K2 R183 100 1/2W RR RL FR FL R55 NC R66NC R149NC R69 NC EC19 NC R3 220 R146NC R67NC R2 220 R85NC R29 NC Q14 9014C Q15 9014C R36 4K7 R374K7 123 4 5678 U6 NC R81NC R54 NC R60NC R64NC R58NC EC20 NC EC18 NC R45 180 R63NC R61NC R50 180 R65 BC R14 NC Q13 9014C Q12 9014C R44 4K7 R35 4K7

6、1234 5678 U7NC R68 NC FL FR RR MUTE_1 L1 EI-14 D1 5401 EC24 100UF S GND R101 1K C73 104 BATT+ EC31 47UF EC22 2200UF OPTIONAL POWER_IN2 5V_POW_IN1 OUT1 OUT2 OUT3 BEEP/IN3 MP3_CLK CPU5V C91 1UF R75 NC R74NC R71 NC R73 NC R192 4K7 R191 4K7 C5V Q279015S R102 NC MUTE1 R159 10K R188 10K Q32 9015S ZD5 3V3

7、RESET C129 104 XT4 7.2MHz C113 30P C112 30P R104 330K R113 220K R110 220K R95 220K R90 220K MP3_DI R84 10K Q23 9014C R160 2K2 CPU5V RESET R142100R CPU5V SCL SDA R120 1M CD ON CPU5V CPU5V R193 NC MP3_REQ_O Q28 9014S R140 47K R141 4K7 ZD4 4V7 SDA SCL DAB_TX DAT_RX C16 0 C18 0 C15 0 C17 0 S1 RES SW R19

8、4 NC C98 1UF C36 NC C35 NC C864U7 C38 NC RL R189 10K R185 10K C118 222 C117 222 C122 104 C140 4U7 C139 4U7 C39 NC R158 47K R139 4K7 R157 NC R100 2K2 AUX/L AUX/R EC28 1UF ZD3 6V8 Q30 9014 R1794K7 R152 10K R153 10k R174NC R92100 R132100 R10NC REMOTE +9V ENCODER CPU5V AUX_L VCC F_INH F_DATA OUT3 OUT2 O

9、UT1 CPU UPGRADE SOCKET BT_TX CPU5V BT_RX VPP 2COLOR SENSI_IN KEY1 KEY2 R206 1M CDP_RST C771UF D8 EUR D15 RDS ON/OFF D20 TUNER19A(for CEM3000) D16 DIS AUX(CEM3000B) D7 DIS RDS D18 EN 2COLOR D11 AREA 1 D14 DIS AM D23 EN SUB-W C47 104 EC30 NC CD_R CD_L C90 102 AUX R AUX L R216 47K MP3_DO ACC_DET C831UF

10、 R211 3K9 CPU5V SENSIO S5V EC33 47UF 1 2 3 45 6 7 8 GND X IN +5V NCVPP TX RX RES UP01 RESET 4 8 7 1 9 6 23 24 21 10 14 11 13 12 15 16 17 18 19 20 5 22 3 2 U3 4702 R186 4K7 R23410K L3 15nH EC2 100UF EC1 100UF EC36 47UF IN GND OUT U4 LM2950 ZD7 30V FEEDF MP3_REQ_1 R203 220K R78 4K7 CPU5V Q8 9014S R228

11、 1K R42 10K R261 1K5 R260 1K5 C101 272 C102 272 R175 0 R262 2K2 R263 2K2 RN1 4K7 F_CLK F_DATA F_CE SENSIO DAB_ANT POW MUTE POWER_IN2 5V_POW_IN1 EC11 10UF EC12 10UF R223 NC R222 NC R221 NC R220 NC EC42 NC电池 USBPO gnd outin U13 LA7809 R1274K7 R26 NC R207 220k R82 1K REMOTE R169 4K7 C21 104 C111 104 R1

12、90 1K R170 1K BEEP/IN3 C136 104 R24 1K R93 1K IN GND OUT U11 78L15 D26 EN7418 D27 N.C D25 AREA 3 DIMMER DIMMER R148 4K7 VPP LAMP_POW F_INH 2COLOER BT_LED C121 22P C12 102 R205 470K C124 102 USB/SD_DET CPU5V CPU5V CPU5V ENCODER Q40 9015S R197 330K R195 47K ENCODER FEEDR 1 2 3 4 5 6 7 8 9 10 11 12 13

13、14 15 16 17 18 19 20 21 22 23 24 CN9 CON24-2.0 MIC+ MIC- CN1 2p-2.0mm-R MP3_REQ_1 CD ON USB_DP USB_DN USB/SD_DET C5V FEEDR MP3_REQ_O FEEDF R131 100 R130 100 R129 100 R128 100 MP3_DO MP3_DI MP3_CLK CDP_RST SENSI_IN S5V R1161K5 R105 1K5 CD_R CD_L VOL+9V R115 5K6 R108 5K6 C87 152 C84 152 1 2 3 4 5 6 7

14、8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 CN5 CON22-2.0P AUX_R KEY1 KEY2 F_CLK LAMP_VCC BT_LED SYS5V VOL_LED USB_5V USB_DN USB_DP F_CE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CON2 ISOCON ACC_IN AUTO_AINT ILLUME_IN C137 NC GND OUTSW/OUTRL2 OUTRF OUTRR OUTLF MUTE SCL SDA VDD SAIN SAOUT VREF MIX/SW/OUTRR2

15、 OUTLR DIFR/SE0R CREF DIFFG DIFFL/SE0L SE1L SE1R SE2R SE2L SE3R/ACINR SE3L/ACINL ACOUTL/AC2OUT ACINL/FILOL ACINR/FILOR AC/AC2OUTR1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 U5 TDA7419 SUB_OUT BEEP VCC 1 2 3 4 5 6 CON10 AV-4P C32 NC AUX_R AUX_L MUTE MUTE1 C5V USB_5V EC15

16、 100UF R227 4K7 USBPO VCC C41 104 VCC R155 2.2 1/2W R156 RESETTABLE FUSE R196 NC C100 104 C120 104 EC39 100UF C119 104 R5100 1/2W C109 104 R161 1K Q35 9015 R167 4K7 SYS5V C123 102 R202 22K R201 1K ACC_DET D12 NC ILLUME-IN D24 4148 ZD6 6V8 Q2 882 Q38 9014C Q37 9015 Q36 9014C R176 2K2 LAMP-POW R177 1K

17、 R178 22K +9V R199 220 R187 NC LAMP_VCC DIMMER Q9 SI2301BDS POWER_IN2 C79 10UF C80 10UF C116 NC C127 NC C114 NC C108 NC EC46 NC C19 104 C34 104 C44 104 VCC R208 220K R204 220K R97 0 R96 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17181920212223242526272829303132 33 34 35 36 37 38 39 40 41 42 43 44 45 4

18、6 47 48 495051525355 56 5758596162 63 64 60 54 IN2/POWER IN1/5V_POW DIO OUT1 DIO OUT2 DIO OUT3 RESET NC UP FLDM0 X-IN X-OUT REGC GND GND VDD VDD RA_SDA RA_SCL VOL_SCL VOL_CLK FRONTINH FDATA FCLK FRONTCE FLASH NC NC RDS_CLK LAMP_POW NC RA_RES FEEDR NC NC BT_MUTE MUTE NC ACC_DET USB_POW CD-ON BT_TXD B

19、T_RXD VDD AGND KEYADI2 KEYADI1 DANCE USB/SD_DET 2COLOR ENCODER CDP_SW SENSIO CDPRES MP3_CLK MP3_DI MP3_DO FEEDF BEEP/IN3 MP3_REQ MP3_REQ1 NC 33Pin:REMOCONIN BT_LED NC U1 CEM3000 ZD2 5V6 ZD15V6 R217 22K C104 104 R218 10K LED11 NC C68 4U7 C128 4U7 R72 1R 1W R123 4K7 R124 4K7 R125 4K7 R122 4K7 1 123456

20、7891011121314151617181920212223242526 +1.2V +3V3 GND GND NC NC NC NC NC NC NC NC NC NC RX TX NC NC RESET NC NC NC NC NC NC NC 27282930 NC A-GND L-CH R-CH ANT TUN1DAB-TUN R94 2R2 R264 1R 123 GND OUT IN U9IC3.3V 123 GND OUT IN U10IC1.2V EC41 47UF EC38 220UF EC50 220UF EC40 100UF C20 103 C3 103 C142 10

21、4 C141 104 Q204 9014S Q203 9014S R269 10K R30 10K R266 2K2 R31 10R 1UF C204 R271 47K R4 1K R288 330R RA_SCL RA_SDA R270 330 R268 1K R267 NC DAB_RESET 5V_POW_IN1 C144 0 C134 0 L29 FB L30 0 R12 3K3 R17 3K3 C7 272 C9 272 R57 20K R53 20K RA-R RA-L R15 1K DAB_RESET RA-R RA-L DAB_TX DAT_RX RA_RST RDS_INT

22、EC9 100UF R20 4K7 R21 4K7 EC111 10UF 1234 5678 IC104 NM4558 Q10 9014 R281 2K2 EC113 100UF R276 220 R279 22K R27839K R274 39K EC112 220UF R27710K C147 103 C148 474 C146 153 C502 683 R275 62K R282 2K2 1 2 CON6 2PIN SUB_OUT Q31 9014 R163 4K7 Q34 9015 R162 10K R164 4K7 BAT+SUB_MUE SUB_MUE R273 47 C145 1

23、0UF Q11 9014 R280 2K2 R284 22 EC279 100UF C149 104 VCC VOL+9V C150 104 EC3 47UF gnd outin U14 LA7805 VCC Q41 882R49 470 ZD10 9V1 EC43 47UF C46 102 EC45 100UF R18 1K R265 22K Q17 9014 R285 4K7 Q169015 R283 22K L101 2.7uH L102 1.8uH DAB_ANT POW VCC MCU 34Pin EC48 47UF C99 104 VCC C151 104 RA/DAB+ R121

24、 2R2 R86 1R 1W R32 0R 1206 C143 103 C152 33P R103 0 EC23 NC EC37 47UF R287 47K OPTIONAL R286 2K2 RDS_CLK RA SCL 123456789101112131415 TUNERTDA7703/7703R GRF FMANT AMANT GRF VRF GND VIF GND VCDIG DACOUT-L DACOUT-R SDA SCL RDSINT RSTN GNDGNDGNDGND TP31 ANTENNA C210 104 C209 104 C206 104GNDGNDGND R2131

25、00 R77220 RSTN R19220 L9 FB L11 FB L5 FB R16 100R RA SDA R13 47K R154 10K EC51 100UF EC14 100UF EC13 100UF EC5 47UF EC7 220UF C5V BATT+ 1 2 3 4 VIN OUTPUT GND FB SD 5 U8AP1507 L2 100uH/2A D130 SK24 EC107 220UF C126 104 Q105 9014S GND R79 47K EC21 220UF C125 104 EC110 220UF R119 33R R145 1K R111 0R 1

26、W R52 4K7 C5 104 CPU5V OPTIONAL RA/DAB+ EN TA ON(CEM3000) R155 IN4007 5 CIRCUIT DIAGAM SERVO BOARD 1 0F 1 KEY2 KEY1 GND +5V REMOTE SYS_5V 2COLOR BT_LED LAMP_VCC ENCODER CE CLK DATA INH GND GND B G R DO LCK D2 D1 TRACK- UPTRACK-DN USB_5V USB_DN USB_UP AUX_R AUX_L GND DO CLK CE CE GND M1 SC6579 M2 M3

27、SUB/DBB EQ ipod VOL- VOL+ EJ BANDAUDIOMENU DISP POWER/MUTE R956 R957 Q903Q901Q902 R955 3K34K7 R913 8K2 M4 M5 M6 CIRCUIT DIAGAM REMOTE BOARD TOKO TQFP44 pins 10 x10 I.C. and SMD socket orTDK MMZ1608Y152C NOTES: A B C D 54321 D C B A 12345 GND- RF GND- RF GND- RF L3 C41 C32 L17 L16 L5 C33 C13 C35 C40

28、C3 C24 R10 C7 L10 C5 C42 C45 JP2 R7 C4 L8 R8 IC1 R9 C25 C39 C14 C44 C22 C18 L11 L1 L4 C8 C6 C15 C19 C21 C26 C34 C43 C46 R12 C20 JP3 R4 R6 C2 R11 C9 L7 C10 Q2 Q1 GND-RF FMANT AMANT GND-RF GND GND DACOUT_L DACOUT_R SDA_MOSI SCL RDSINT RSTN SCL SDA_MOSI VDIG RSTN RDSINT VDIG DACOUT_R DACOUT_L VRF FMANT

29、 VIF VRF VIF VDIG AMANT GND-RF GND-RF 470nF 10nF 1uH LQM21PN1R0MC00 MuRata 100nF 100nF 1uF 1UF 1UF 100nF 68pF 10nF 100nF 220 1 LF1 2 TCAGCFM 3 FMMIXDEC 4 FMMIXIN 32 GND-1V2 33 VCC-DAC 5 GND-RF 6 FMPINDRV 7 VCC-RF 8 TCAM 9 PINDDEC 10 PINDIN 11 GND-LNA 23 VCCREG12 24 REG-1V2 25 VDD-3V3 31 VDD-1V2 30 R

30、STN 29 RDSINT 28 VDD-1V2 27 SCL 26 SDA 10nF 100nF 10nF 4.7nF 100nF 1uF 10nF 2.2uF 1uF 1 2 1uF 100nF 1uF 33 1/2W 100nF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Header 15 9018 9018 10 11 12 SERVO PCB COMPONENT LAYOUT TOP SIDE VIEW SERVO PCB COMPONENT LAYOUT BOTTOM SIDE VIEW 13 PANEL PCB COMPONENT LAYOUT BO

31、TTOM SIDE VIEW 14 PANEL PCB COMPONENT LAYOUT TOP SIDE VIEW 15 REMOTEL PCB COMPONENT LAYOUT BOTTOM SIDE VIEW 16 REMOTEL PCB COMPONENT LAYOUT TOP SIDE VIEW 17 TUNER PCB COMPONENT LAYOUT BOTTOM SIDE VIEW 18 19 SET EXPLODER VIEW DRAWING 20 NO. Trouble shootingTrouble shootingTrouble shootingTrouble shoo

32、ting Tate 2011-11-16 failure phenomena failure causeremark Product ModelCEM3000BAreaAll area 1NO Power a. To check whether it is connect well of the ISO connector (4 PIN power input ). Whether it is loose of the 15A fuse of the ISO connector, or insert non in place. b. To check whether there is any

33、contamination and bad contact on the 22 Pin male/female connector on the panel and main board. c. To check the power supply of main board B+?ACC should be +12V; The voltage of stabilivolt of ACC power supply circuit ZD3 (6V8) should be 6V8. d.To check the voltage of the 17 pin of U1 MCU should be +4

34、V8. e. To check the voltage of the 16 pin (AVDD) of U1 MCU (T5CL8) should be +5V; The output voltage of U4 (LM2950) should be +5V. f. To check the oscillation frequence of crystal XT4 shuold be 7.2MHz . e. To check the normal voltage of 22 PIN(MUTE) of power amplifier U3(LV47002) , normally should b

35、e 4V. f. To check the voltage of 20 pin of audio processor U5?TDA7419?, should be +9V0. g.To check the resistor network of NR1 (4K7). H. To check the voltage of the15 pin(Lamp Vcc) of CN5 should be 6V4. 2 NO audio output a. To check whether the volume knob is turn to the minimum position. b. To chec

36、k whether the unit is at MUTE mode, press SOURCE button and check whether it is effective of the input sound source. c. To check whether the connection of 8 PIN audio output wire of ISO connector is correct; wrong connection or short circuit to the ground will caused the protection of the power ampl

37、ifier( no voltage output). d . To check the circuit of power amplifier U3 (LV47002) and VOLUME U5(TDA7419). g. To check the voltage of control PIN SCL?SDA?the 18?19 pin?of audio processor U5?TDA7419?, should be +5V2. 3 AM/FM Radio abnormal a. To check the antenna of the AM/FM tuner. b. To check whet

38、her the strength of then input signal of the tuner is too weak. c. To check the voltage of the 5 pin?7 pin?9 pin of the tuner, should be +5V0 d. To check the voltage of the 12 pin(SDA) of the tuner, should be +4V5; the 13 pin(SCL) should be +4V5; the 15 pin(RA- RES) should be +4V9. e. To check the L

39、 output voltage of the 10 pin of tuner should be 1V8, the 11 pin R output voltage , should be 1V8. 21 NO. 7AUX defective a. To check the SOURCE shoule be in MP3-LINK mode. b. To check the AUX IN input signal. c. To check whether there is any contamination and bad contact on the male/female connector

40、 of the panel and main board. If necessary, can exchange the panel to test whether the defective is occurred by the unit or panel. 4 DAB Radio abnormal a. To check the antenna of the DAB tuner. b. To check whether the strength of then input signal of the tuner is too weak. c. To check the supply vol

41、tage of the 1 pin of TUN1?DAB-TUN? should be +1V2?the 2 pin should be +3V3. 6 USB/iPOD defective a. To check whether the USB/iPOD signal format is correspond to the request of the unit. b. To check the voltage of the the uppermost pin of the USB connector, should be +5V. c. To check whether there is

42、 any wearing and scratch of the shrapnel and pin of the panel USB. d. To check whether there is any contamination and bad contact on the male/female connector of the panel and main board. If necessary, can exchange the panel to test whether the defective is occurred by the unit or panel. h. To check

43、 the rotation mechanism of CD deck mechanism. i. To check whether the rotation belt of deck mechanism is dislocation or loose. f. To check the servo board connector of CN20P1 and main board connector of CN9, whether the socket of it is loose. j. To check the switch SW2 on the servo board. d. To chec

44、k whether the 17 P FFC of laser pick up is inserted in place, whether the socket of it is loose. e. To check whether there is any contamination or foreign body on the surface of the laser pick up. failure phenomena failure causeremark 5CD defective a. To check whether the signal format of the disc i

45、s correspond to the request of the unit, whether there is any contamination or damage or light leakage on the surface of the disc. b. To check whether there is any abnormal of the rotation of the deck mecahnism, or whether the disc is enter in position. c. To check whether it is normal when reading

46、USB? 22 TENTATIVE Version No.18052009 LV47002P Development Specification Proposal (BTL 4 channel Car Audio Power Amplifier) The LV47002P is the IC for 4-channel BTL power amplifier that is developed for car audio system. Pch DMOS in the upper side of the output stage and Nch DMOS in the lower side o

47、f the output stage are complimentary. High power and high quality sound are realized by that. This IC incorporate various functions (standby switch, muting function, and various protection circuit) necessary for car audio system. Also, it has a self-diagnosis function. 1. Application : 4-channel BTL

48、 power amplifier for car audio system 2. Package type : HZIP25 3. Functions and Features : - High power : - Pomax=48W (typical) (Vcc=15.2V, f=1kHz , JEITAmax , RL=4) - Po = 28W (typical) (Vcc=14.4V, f=1kHz , THD=10% , RL=4) - Po = 21W (typical) (Vcc=14.4V, f=1kHz , THD=1% , RL=4) - Built-in muting function (pin 22) - Built-in Standby switch function (pin 4) - Built-in Self-diagnosis function (pin 25) : Signal output in case of output offset detection, shorting to VCC, shorting to ground , and load shorting. - Electric mirror noise decrease - Built-in va