Philips-PET-946-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET946/12 Published by BU AVM BL Printed in the Netherlands Subject to modification 3141 785 33762 Version 1.2 TABLE OF CONTENTS Chapter Technical Specification fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso n

2、elle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must n

3、ot exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa ole

4、t alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?b

5、e?received. 2.1 ESD PROTECTION PREPARATION?OF?SERVICING Pickup?Head?consists?of?a?laser?diode?that?is?very?susceptible?to?external?static?electrocity. Although?it?operates?properly?after?replacement,?if?it?was?subject?to?electrostatic?discharge?during?replacement, its?life?might?be?shortened.?When?r

6、eplacing,?use?a?conductive?mat,?soldering?iron?with?ground?wire,etc.?to protect?the?laser?diode?form?damage?by?static?electricity. And?also,?the?LSI?and?IC?are?same?as?above. Soldering?iron with?ground?wire or?ceramic?type Ground?conductive wrist?strap?for?body. Conductive?mat The?ground?resistance

7、between?the?ground?line and?the?ground?is?less?than?10 1M SAFTY NOTICE Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an AC voltmeter, having 5000 per volt or more sensitivity. Connect a 1500 10W resistor,paralleled by a 0.15uF 150V AC

8、capacitor between a knomn good earth ground (water pipe, conduit, etc.) and all exposed metal parts of cabinet (antennas, handle bracket, metal cabinet screwheads, metal overlays, control shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 resistor. The test

9、 must be conducted with the AC switch on and then repeated with the AC switch off. The AC voltage indicated by the meter may not exceed 0.3V.A reading exceeding 0.3V indicates that a dangerous potential exists, the fault must be located and corrected. Repeat the above test with the DVD VIDEO PLAYER

10、power plug reversed. NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION. READING SHOULD NOT EXCEED 0.3V DVD VIDEO PLAYER AC OUTLET AC VOLTMETER Test all exposed metal. Voltmeter Hook-up for Leakage Current Check 0.15uF 150V AC 1500 10W (5000 per volt or more s

11、ensitivity) Good earth ground such as a water pipe, conduit, etc. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute

12、a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. Disassembly Procedure on PET946 Remove eleven screws o

13、n back cabinet to separate top cabinet and back cabinet. screws 11pcs Generally open the front cabinet. Remove four screws and disassemble the connecter on the Main board. screws 4pcs.connecter 8pcs. 4.0 MECHANICAL INSTRUCTION Remove six screws on the battery board and DVD LOADER. Remove four screws

14、 on the key board. Remove the speaker grill and 4pcs screws. . Remove the 2pcs screws and cabinet on the TFT and IR board. 5.0 TROUBLESHOOTING SYMPTOM: NO IMAGE / NO SOUND SYMPTOM: NO IMAGE OUTPUT ( THE PANEL SHOW BLUE PICTURE) Start Check the external AV Cable TYPEnote and connection is OK? Replace

15、 DVD DriveCheck DVD Drive work? Replace Main Board Exchange AV cable NOTE: AV Cable TYPE from outside to Inside L-Audio, R-Audio, Video, Ground no yes no yes SYMPTOM: NO SOUND COMES FROM SPEAKER Start Check the Connection OK?Reinsertion Check speaker OK? Replace Main Board Change the speaker no yes

16、no yes 5.0 TROUBLESHOOTING SYMPTOM: THE DVD DRIVE DOES NOT WORK SYMPTOM: THE DVD DRIVE DOESNT WORK Start Replace DVD- Loader Check the DVD-Loader OK? Replace main board NO Yes Yes Cable ReinsertionNO Check DVD-Loader connection OK? 5.0 TROUBLESHOOTING SYMPTOM: ADAPTOR CANNOT POWER ON Start Check Ada

17、ptor OK? Adaptor can not Power ON Change adaptorSET OK? Return set to Customer NO Check the Power-ON button and cable OK? Replace Main Board Replace Button or Cable Yes NO Yes No YES OK 5.0 TROUBLESHOOTING SYMPTOM: KEY & BOTTON FAILURE SYMPTOM: Key & Botton Fail Start Check KEY board OK? Replace mai

18、n board NO Yes Yes Cable ReinsertionNO Check CABLE form board to board connection OK? Return to custormerOK Replace KEY board OK DC IN CHARGERBATTERY DC TO DC SPHE8202TQMST720C FLASH SD-RAM SD CARD D5954 TOPARY 3000 6600 230 4558 TUNER KEY IR FLASH BACKLIGH9CPT PANEL DRIVER AV OUT AMPSPK. LDO 1.8V 5

19、V 3.3V D6849 AC DC Y.C I2C&IR AUDIO R.G.B. 6.0 PET946 BLOCK DIAGRAM 3-6 3-603-12 3-22 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-POWER DVCC3 VCC_1.8V VCC_5V +9V POWER_SW1 POWER_SW2 DEC_SW POWER_SW1 POWER_SW2 ON/OFF_720 DEC_SW POWER_ON/OFF POWER_ON/OFF BAT_DEC 9V_A LED_PO POWER_ON/OFF VCC_5VP LED_PO ON/O

20、FF_720 POWER_ON/OFF BAT_DEC VCC_5V VCC_1.8V DVCC3 +9V POWER_SW1 POWER_SW2 ON/OFF_720 DEC_SW BAT_DEC 9V_A LED_PO POWER_ON/OFF VCC_5VP GND GND GND GND GND GND GND GND GND GND GND 9V_A GND GND GND GND DVCC3 GND VCC_1.8V GND VCC_5V 9V_A 9V_A GND +9V GND GND VCC_5VP DVCC3 GND GND GND R18 470K C4 0.1uF T1

21、20 R279 33R C8 0.1uF C284 0.1uF 12 U3 SS7701 1 2 3 4 5 CE GND VFB EXT VIN R23 10R U2 SS7701 1 2 3 4 5 CE GND VFB EXT VIN SW1 SW1 12 R127 13K R15 33R C2 1000P R14 4.7K C304 1uF 12 C9 1000P C305 0.1uF 12 BC1 0.1uF R280 510R R306 5k1 R25 22K U1 UTC1117-1.8V 3 1 2 OUT GND IN R20 22K R22 10K C306 1uF 12

22、R24 18K L2 FB600 L9FB600R L6 RB600 L4 22uH R1210R +EC2 100uF/25V Q6SI2307 2 13 T121 L7FB600R EC60 100uF/10V Q5 3904 C5 1uF C10 1uF T122 EC4 10uF/16V + EC6 220uF/10V R27 10K + EC3 220uF/10V C3 470P 12 R10 2.2K L3 FB600R T123 L822uH D5 1N4148 12 C300 0.1uF R11 4.7K R21 2.7K R17 10R EC5 220uF/6.3V T124

23、 C111000P 12 EC61 100uF/10V D9SS24 Q7SI2307 2 13 D6 1N4148 12 C7 470P 12 T125 R126 30K R191K8 +EC7 100uF/25V L5 FB600R R26 2.7K T126 R1 1K2 D7SS24 C61000P 12 Close to 8202T 1(E)3(C) 2(B) I2C ADDR = 0XA0 3-6 3-6 3-6 CIRCUIT DIAGRAM-MPEG 7.0 ELECTRICAL DIAGRAM USB_DP M_DQM1 R_SUNIF_GNT SD_D1 SD_D0 SD_

24、CMD I2C_DATA M_CAS TCO DVD_VR HOMEM_D3 A DAC_REF LDSW R_SUNIF_FRAME SD_D2 SD_D0 R_SUNIF_D0 VREF2 M_A7 R_SUNIF_D0 DVDMDI M_WE M_D7 R_SUNIF_D2 D AOUT_FR AOUT_FR DVDLDO GPIO22 C_8202 CLK_8202 C I2C_INT PUH_DVDLD PUHRF SPI_D0 LDSW M_D15 GPIO23 M_D11 C_8202 R_SUNIF_FRAME V_COMP Y_8202 M_D5 CARD_RST 6600_

25、RESET_A CARD_RST SD_CLK DVDLDO M_BA0 SPDCO DAC_REF SPI_CLK AOUT_FL Y_8202 I2C_CLK5 GPIO22 CLK_IN R_SUNIF_CLK USB_DM SW_LOAD /LDSW SPI_D1 M_D10 DMEA SD_CMD E SD_D2 CVBS1 VREF1 SPI_D0 6600_RESET_A M_A5 VREF2 PUH_CDLD R_SUNIF_CLK Y_8202 M_A1 R_SUNIF_D2 M_D9 M_A0 M_A4 R_SUNIF_D3 CDMDI M_A6 PIN119 I2C_IN

26、T5 CDLDO VREF1 SPI_CLK SD_D1 CVBS1M_A9 M_WE M_RAS SD_D3 CARD_SENSE M_RAS M_CLK CVBS1 DATA_8202 M_A8 F SPI_CE AOUT_FL C_8202 M_BA1 M_A3 M_D14 M_DQM0 R_SUNIF_D1 VCC_5V CDLDO CD_VR M_CLK M_D4 M_D2 I2C_DATA5 FCO SPI_D1 M_A10 R_SUNIF_D1 CARD_SENSE CVBS1 M_BA0 B I2C_CLK V_FSADJ R_SUNIF_GNT M_D1 C_8202 SPI

27、_CE R_SUNIF_D3 HOME Y_8202 M_D0 M_A11 SD_D3 M_D13 M_A2 LOWBAT_DET M_D12 SCO M_CAS M_BA1 M_D8 M_D6 VCC_1.8V VCC_SPI DVCC3 VCC_3.3V_S A C VREF2 PUH_CDLD F SPDCO HOME FOC+ FG VREF1 /LDSW RAD- B PUHRF DMEA PUH_DVDLD DVDMDI DVD_VR CD_VR E RAD+ FOC- USB_DP USB_DM GPIO23 DATA_8202 CLK_8202 SCO TCO FCO CDMD

28、I D SP_BRAKE FG HOME SD_CLKPin119 I2C_INT1I2C_INT CLK_OUT CLK_OUT SUNIF_GNT SP_BRAKE RESET_B RESET_B SUNIF_GNT FG SD_CLK Pin119 CLK_IN I2C_DATA5 I2C_CLK5 I2C_INT5 I2C_DATA I2C_CLK I2C_INT1 SW_LOAD R_SUNIF_FRAME4 M_WE3 M_BA13 SPI_CLK3 SD_CMD2 SD_D12 I2C_DATA3,8 M_DQM0.13 M_BA03 SD_D32 CVBS18 M_A0.113

29、 M_D0.153 R_SUNIF_D04 CVBS18 CARD_SENSE2 I2C_CLK3,8 AOUT_FL6 SPI_D03 I2C_INT8 AOUT_FR6 SPI_D13 SD_D02 R_SUNIF_CLK4 SD_D22 R_SUNIF_D14 R_SUNIF_D34 M_CLK3 M_RAS3 C_8202 Y_8202 C_82028 6600_RESET_A 4 SD_CLK2 CARD_RST2 SPI_CE3 Y_82025 M_CAS3 R_SUNIF_D24 VCC_5V R_SUNIF_GNT4 VCC_1.8V VCC_SPI DVCC3 E /LDSW

30、 PUH_CDLD SPDCO B RAD- DMEA F FOC+ VREF2 DVDMDI FG A CD_VR C HOME VREF1 RAD+ PUHRF DVD_VR FOC- PUH_DVDLD FCO SCO TCO CDMDI D SP_BRAKE2 SUNIF_GNT RF3.3V GND VCC_1.8V_D GND VVCC3 GND GND VCC_1.8V_D PLLVCC1.8 RF3.3V GND VVCC3 GND RF3.3V RF3.3V GND GND RF3.3V GND DVCC3 DVCC3 A+5V GNDGND GND USB_PLLVCC3

31、VCC_3.3V_S GNDGND GND GND USB_PLLVCC3 AVCC3 VCC_3.3V_S VVCC3 GND DVCC3 DVCC3 RF3.3V GND GND GND GND GND GND GND VVCC3 GND GND PLLVCC3 GND RF3.3V GND AVCC3 GND DVCC3 GND VCC_1.8V PLLVCC3 GND GND VCC_1.8V_D VCC_SPI RFGND GND DVCC3 GND DVCC3 PLLVCC1.8 GND GNDGND VCC_3.3V_S GND GND VCC_5V DVCC3 DVCC3 GN

32、D VCC_3.3V_S GND GNDDVCC3 GNDGND GND GND GND GND GND GND GND GND L100FB/600R R33100K EC63 10uF/10V 0.1uF C26 R6233R EC64 10uF/10V 0.1uF C28 R582.2R R4156K L13FB/600R EC1010uF/10V R554.7K L98FB/600R R31100K R32 10K Q13 8050 U4 SPHE8202TQ-128 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84

33、 83 82 81 80 79 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 64 61 62 59 60 58 57 56 53 54 55 51 50 49 48 47 46 45 44 43 42 40 41 65 78 77 76 75 74 73 72 71 70 69 68 67 66 63 128 1 2 3 10 5 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2

34、9 30 31 32 33 34 35 36 37 38 39 4 6 7 8 9 52 129 DVDLDO APC_AVSS OPVIN OPVIP CDE CDF DVDA DVDB DVDC DVDD RFIS AGCCAP AD_AVDD AD_AVSS LDSW/GPIO40 HOME/GPIO39 VDD_18 CLKOUT CLKIN PLL_VDD PLL_VSS USB_AVSS USB_DM USB_DP CDLDO DVDMDI CDMDI SRV_AVDD V21 V165 DA_AVSS DA_TEO DA_FEO DA_AVDD SPDC_OUT SC_OUT D

35、VDVR DMEA SD_D1/GPIO4 SD_D0/GPIO5 SD_CLK/GPIO6 TRAYIN/SD_SMD/GPIO7 TRAYOUT/SD_D3/GPIO8 SD_D2/GPIO9 CDVR SPI_CE SPI_D0 SPI_CLK SPI_D1 ADAC_AVSS GPIO38 VREF CCIR656_D0 CCIR656_CLK CCIR656_D1 CCIR656_D2 CCIR656_D3 CCIR656_D6 CCIR656_D5 CCIR656_D4 SPDIF_OUT M_A3 M_A2 M_A1 M_A0 M_A10 M_BA1/GPIO27 M_BA0 M

36、_RAS M_CAS M_DQM0 M_WE AOUT_L USB_AVDD VDD_18 TV_AVSS TV_DAC3 TV_DAC2 TV_DAC1 TV_AVDD TV_AVSS TV_AVDD TV_DAC0 V_FSADJ V_COMP AOUT_R ADAC_AVDD TRAY+ VFD_CLK/GPIO16 VFD_STB/GPIO17 VFD_DATA/GPIO18 VDD_18 RESET_B M_DQM2/GPIO22 M_DQM3/GPIO23 M_D0 M_D1 M_D2 M_D3 M_D4 M_D5 M_D6 M_D7 M_D15 M_D14 M_D13 M_D12

37、 M_D11 M_D10 M_D9 M_D8 M_DQM1 VSS M_CLK VDD_33 M_A11/GPIO25 M_A9 M_A8 M_A7 M_A6 M_A5 M_A4 VDD_33 VSS IR/GPIO19 GPIO20 GPIO21 CCIR656_D7 129 0.01uF BC7 1uF C30 10pF C20 R53NC Y2 27MHz R296NC 0.1uF C307 TP11 K4 Q8 2SK3018 2 31 EC9 22uF/16V R48 4.7K 0.1uF BC2 R34 10K R50220R T90 H TP19 K4 TP9LOWBATT 0.

38、1uF BC6 Q10 8550 2 13 EC8 22uF/16V R211 4.7k T1US2 EC11 10uF/10V 0.1uF C15 TP20 K4 T2US1 R49 4.7K EC13 10uF/10V R45 4.7K 0.1uF C31 0.1uFC18 R28 10K 0.1uF C163 0.1uF BC5 0.1uFC14 TP21 K4 R432.2K R60 47R TP815 R652.2K/0402EC16 10uF/10V 0.1uF C21 EC15 10uF/10V 1000pFC17 R6420R L15FB/600R L11FB/600R R29

39、54K7 Q12 2SK3018 2 31 0.1uF BC3 TP18 K4 R30 5.1 R3882R S1 SW_LOAD 34 12 0.1uF BC11 R564.7K 1uF C23 R35 10K 27P C281 Q11 8550 2 13 R29 5.1 U5 AT24C02 1 2 3 45 6 7 8 A0 A1 A2 GNDSDA SCL WP VCC R570R 1uFC13 R442.2K R3975R 1500PC16 L99 FB/600R U21 AF4157 1 2 34 6 5 A0 GND A1B IN VCC AD3 SSD03 330P C308

40、R4210K 0.1uF C27 L14FB/600R R61 22R R2814.7K EC14 10uF/10V EC46 10uF/10V R6310R Q9 3904 27P C282 EC12 10uF/10VR361K R4075R R524.7K 0.1uF C25 T89 H R51220R L10FB/600R 0.1uFC19 R544.7K R297NC 0.01uF C22 1uF C160 C29 0.1uF R66 1K R282 10K 2bit 0 1bit R119 For 1bit SPI Flash NC 0NC R121 SPI Mode Setting

41、 CIRCUIT DIAGRAM-MEMORY 7.0 ELECTRICAL DIAGRAM M_D12 M_D2 M_BA1 M_BA1 M_DQM1 M_A10 M_A11 SPI_D0 M_D8 M_A2 M_A0 M_RAS M_D15 M_A8 DQ1 M_A11 M_BA0 M_CLK DQ0 SPI_CE SPI_D1 M_A1 SPI_WP M_BA0 M_A5 M_DQM0 M_D13 M_A9 M_CAS M_CLK M_A4 SPI_HOLD M_RAS M_D4 SPI_WP DQ1 M_D3 DQ0 M_WE M_D7 SPI_D1 M_D6 M_D1 M_A6 M_

42、D5 M_D9 M_WE SPI_CE SPI_HOLD M_D14 M_D10 M_CAS SPI_CLK M_A3 SPI_D0 M_A7 M_D0 M_D11 SPI_CLK VCC_5V DVCC3 VCC_SPI VCC_SPI RAM_CLK M_CLK2 SPI_CLK2 M_RAS2 SPI_CE2 M_D0.152 M_A0.112 M_BA12 M_DQM0.12 M_CAS2 M_BA02 M_WE2 SPI_D02 M_A112 SPI_D12 VCC_5V DVCC3 VCC_SPI GND GND SD_VCC3 GND GND SPI_VCC3 SPI_VCC3

43、SD_VCC3 SD_VCC3 SPI_VCC3 GND SD_VCC3 GND DVCC3 GND GND GND 0.1uF BC8 1000pF C33 EC17 10uF/10V 1000pF C267 R6733R 0.1uFC34 EC18 100uF/6.3V R680R L16FB R700R 0.1uFC39 R710R U6 SDRAM 23 24 25 26 29 30 31 32 33 34 17 18 15 16 19 37 38 39 2 4 5 7 8 10 11 13 42 44 45 47 48 50 51 53 36 20 1 27 28 41 22 40

44、3 9 43 49 6 12 46 52 35 21 54 14 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 CAS RAS LDQM WE CS CKE CLK UDQM D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 NC BA0 VDD VDD VSS VSS A10/AP NC/RFU VDDq VDDq VDDq VDDq VSSq VSSq VSSq VSSq A11 BA1 VSS VDD L18 FB600 R7210K 10P C174 U7 EN25T16 1 2 3 45 6 7 8 CE# DO

45、UT WP# GNDDIN SCK HOLD# VDD 0.1uFC35 0.1uFC288 R7310K 0.1uFC38 0.1uFC36 Power ON / OFF Mute A/V Output PORT VIDEO PORT (CVBS & COAX) CHANGE PIN 11&9 3-6 CIRCUIT DIAGRAM-AUDIO&VIDEO 7.0 ELECTRICAL DIAGRAM AOUT_FR AOUT_FL +9V VCC_5V A_OUT_L ML_OUT A_OUT_R CVBS_TV A_OUT_L CVBS1 AUDIO_MUTE CVBS1 +9V A_M

46、UTE A_MUTE AUDIO_MUTE +9V_A VOL_CONTROL AMP_MUTE SP_R- SP_R+ SP_L- SP_L+ VOL_CONTROL AMP_MUTE AMP_MUTE S-DOWN MR_OUT ML_OUT VOL_CONTROL SP_L- SP_L+ SP_R+ SE/BTL SP_R- S-DOWN EAR_L1 EAR_R1 EAR_R2 EAR_L2 SE/BTL SP_R+ SP_L+ +9V_A V_REF SE_SW1 SE_SW1 CVBS_TV SE_SW2 EAR_R1 EAR_R2 EAR_L2 EAR_L1 SE_SW2 V_R

47、EF +5V_AMPVCC_5V A_OUT_R MR_OUT A_MUTE AOUT_FL AOUT_FR AOUT_FL2 AOUT_FR2 VCC_5V5 +9V5 AUDIO_MUTE CVBS15 VOL_CONTROL SP_R- SP_R+ SP_L- SP_L+ GNDGNDGNDGND +9V_A +9V_A GND AUD_GNDGND GNDGND AGND AGND VCC_5V AGND AGND +5V_AMP +5V_AMP +5V_AMP GND+5V_AMP +5V_AMP GND +5V_AMP GND +9V AUD_GND GND GND GND GND

48、 R288 100K C286 1000P + EC1910uF/10V FB1FB600 R7610K C47100pF R86 5.1K D111N4148 12 L191uH D12 1N4148 12 FB3FB600 R95 470R J2 AV2 2 3 1 4 5 6 100pF C45 C303 0.1uF R284 4K7 R81 100K Q16 3906 R304 20K D131N4148 12 C16810uF/10VR213 1K 47pF C53 R8510K R217 15K FB2FB600 + EC65 100uF/25V R89 100K R872K2 D

49、10 NC L97 FB600 C54 220uF D29 1N4148 12 C52 1000pF R302 100K + - U8B 4558 5 6 7 84 + EC49 100uF/10V C40100pF C287 1000P D141N4148 12 + C41 22uF/16V R7436K + EC48 100uF/10V R8336K FB4 10R Q14 3904 C268 1uF C16910uF/10V + EC62 47uF/10V Q17 3904 C48 68pF Q15 3904 C302 2.2uF/25V R80 1K1 R964.7K R90 1K1 C49 1800pF R8410R R29968R 10pFC44 R88 NC R216 15K R290 560K U20 G1450 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 MUTE /S-DOWN RIN- BYPASS GND LIN- VOL VOLMLOUT- VDD L