Philips-PET-741-Service-Manual(1) 电路图 维修手册.pdf

《Philips-PET-741-Service-Manual(1) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Philips-PET-741-Service-Manual(1) 电路图 维修手册.pdf（31页珍藏版）》请在收音机爱好者资料库上搜索。

1、DVD Portable Player PET741/37 Published by BU AVM FK Printed in the Netherlands Subject to modification 3141 785 33900 Version 1.0 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. SAFTY NOTICE Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an

5、AC voltmeter, having 5000 per volt or more sensitivity. Connect a 1500 10W resistor,paralleled by a 0.15uF 150V AC 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, contr

6、ol shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 resistor. The test 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 da

7、ngerous potential exists, the fault must be located and corrected. Repeat the above test with the DVD VIDEO PLAYER 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 T

8、est all exposed metal. Voltmeter Hook-up for Leakage Current Check 0.15uF 150V AC 1500 10W (5000 per volt or more sensitivity) 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 presenc

9、e of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute 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

10、) instructions in the literature accompanying the appliance. When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?be?received. 2.1 ESD PROTECTION PREPARATION?OF?SERVICING Pickup?Head?consists?of?a?laser?diode?that?is?very?susce

11、ptible?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?replacing,?use?a?conductive?mat,?soldering?iron?with?ground?wire,etc.?to protect?the?laser?diode?form?damage?by?s

12、tatic?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 between?the?ground?line and?the?ground?is?less?than?10 1M 3.0 INSTRUCTION FOR USE Disassembly Procedure on PET74

13、1D Remove eight screws on back cabinet to separate top cabinet and back cabinet. screws 8pcs Generally open the front cabinet. Disassemble hous and connecter.7P housin. 4.0 MECHANICAL INSTRUCTION Disassemble hous and connecter. 5P housin,basipetal? yellow? orange? red ?white ?black. 14P housin,basip

14、etal black? red? black ?white? black? green? black? white? black? red ?black? green ?white? red. Disassemble hous and connecter. Disassemble hous and connecter,and take out the DVD LOADER. Remove four screws on main board.screws 4pcs Remove ten screws on KEY board.screws 10pcs Remove two screws on T

15、FT board.screws 2pcs 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 DVD DriveCheck DVD Drive work? Replace Main Board Exchange AV cable NOTE: AV Cable TYPE from outside

16、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 no yes 5.0 TROUBLESHOOTING SYMPTOM: THE DVD DRIVE DOES NOT WORK SYMPTOM: THE DVD DRIVE DOESNT WORK Sta

17、rt 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 Adaptor OK? Adaptor can not Power ON Change adaptorSET OK? Return set to Customer NO Check the Power-ON b

18、utton 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 main board NO Yes Yes Cable ReinsertionNO Check CABLE form board to board connection OK? Return to custor

19、merOK Replace KEY board OK 5 5 4 4 3 3 2 2 1 1 44 33 22 11 SPK_R 3.3V RF AV-OUT RCA 4558 SPEAKER SDRAM 4*16 SW62429 DVD-AU-L 5V RGB DC-IN 7” PANEL AMP SPK_L SPI Flash 8M T-CON LDO 1117 3.3V-1.8V MOTO Drive DVD-CVBS DC-DC 9V-5V 1.8V DVD-AU-R AT5654 DM520 Foryou 0.3WX2 VOLUME CONTROL 2822D MT1389DLE L

20、ED BL OP OPU 1200-X Hitachi RF DC-DC 9V-3.3V 5V DC-DC 5V-10V DC 9V DC 9V PET741D CIRCUIT BLOCK 3 2 E 22 1B33 2CC 1 2N3904 13 BAV992N3906 BE1 CIRCUIT DIAGRAM-VIDEO&AUDIO OUTPUT C 1E 2 1B 2N39042N3906 B 2 3E3 C AV-OUT-L AV-OUT-R CVBS_OUT CVBS A_L_SPEAKER A_R_SPEAKER VCC9 R_HP_IN SPL SPR L_HP_IN R_HP_I

21、N L_HP_IN AV-OUT-L AOUT_R VCC9 AC +VccAC +Vcc A_L_SPEAKER A_R_SPEAKER AV-OUT-R AOUT_L DC_IN VER VER R25 10k R135NC R134100K R132100K JACK1AV/OUT-JACK 6 7 1 2 3 45 6 7 L30 FB2K2 R137NC R126 75R 1% C100 100pF R105 5.1R C101 100pF L33FB2K2 R136NC L34FB2K2 L321.8uH L31FB2K2 + EC2 47uF/16V C112 0.1uF + E

22、C32 10uF/16V + EC31 100uF/16V L38FB2K2 C114 0.1uF C115 0.1uF + EC30 100uF/16V C109 0.1uF R150 4.7R R145 10K VER1 earphone 1 2 34 5 6 7 8 9 10 11 +EC36 100uF/16V + EC3410uF/16V C110 0.1uF R151 4.7R VJ2 VOLUME 10K 1 2 3 4 5 1 2 3 4 5 + EC33100uF/16V L36FB2K2 + EC35100uF/16V C113 150P VJ1 speaker 1 2 3

23、 4 1 2 3 4 R14756K R143 100K D16 IN4148 R1412R(0805) R149 10K +EC29 22uF/25V L37FB2K2 C107 0.1uF U9 APA2822 1 2 3 4 5 6 7 8 C111 0.1uF Q222307 2 13 R14656K R148200R R1422R(0805) R144200R C108 150P C99100pF R123 NC R120 5.1K C97 1000pF + EC2510uF/16V + EC2610uF/16V R124100K R11910K R138 39K + - U8A N

24、JM4558-SOP-8 3 2 1 84 L35FB600R C105 0.1uF C98 820p + EC27 22uF/25V R128 5.1K C103 1000pF R139100K C961uF C104 820p C1021uFR12710K C95100pF + - U8B NJM4558-SOP-8 5 6 7 84 C106 0.1uF +EC28 47uF/16V R121360R R11833K R140 43K R130 24K R122 24K R12533K R129360R R131 NC 7.0 ELECTRICAL DIAGRAM SDRAM (Dual

25、 Layout) S-FLASH 4Mb/8Mb CIRCUIT DIAGRAM-SDRAM & FLASH & EEPROM SDCLK SF_DI CAS# DWE# SD33 DCLK DCS# SF_CS DRAS# SF_DO SDCKE RAS# WE# SF_CS SDCKE DCS# DQ15 MA10 MA2 DQ3 DQ5 DRAS# MA0 DBA0 SDCLK DQ8 DQ12 DQ10 DQ13 MA4 MA7 MA3 DCAS# DQM1 MA5 DQ14 DQ1 DQ7 DQ9 DQ6 DWE# DQM0 DQ0 DQ11 DQ4 MA1 MA9 DQ2 MA6

26、MA8 DCAS# SF_CK DBA0BA0 SD33 DV33SD33 DV33 DV33 SD33 SD33 SD33 DV33 DV33 DV33 R115 3.3k C88 0.1uF L29FB + EC24 100uF/10V R10733R R116NC C87 0.1uF C84 0.1uF R11710k C93 0.1uF C83 0.1uF Q21 3904 R104 33R Q20 2SK3018 1 32 C85 0.1uF R10310k R108 33R C92 33p R11310k U7 AT25FS040/EN25B80 1 2 3 45 6 7 8 CE

27、# SO WP# VSSSI SCK HOLD# VDD C90 0.1uF R112 15k R109 10k U6 ESMT M12L16161A-7 1 2 3 4 5 6 7 8 9 10 11 12 1314 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQDQML WE CAS RAS CS BA/A11 A

28、10 A0 A1 A2 A3 VCC VSS A4 A5 A6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ11 VCCQ DQ12 DQ13 VSSQ DQ14 DQ15 VSS R110 39R C89 0.1uF R114 33R C94 20p R106 33R R111 100k R105 33R R10210k +EC23 100uF/10V C86 0.1uF 7.0 ELECTRICAL DIAGRAM 24 T- 1 Vcc BC847B 4 DVD-LD E 1 2 3 19 HITACHI 1200X 3 E

29、1 S 6 10 GND-LD 3 3 HFM CD/DVD SW C 2 VR-CD 7 MD 17 F- 9 GND-PD F+ B F Vc(Vref) 12 16 1 1 2 E T+ 2N3904 NC C 20 G 15 RF VR-DVD 2SK3018 C/c 22 2 3 21 13 B 2SB1132 B/b D 23 D/d 2N3906 NC B 14 8 A/a C 18 E 5 11 Very Important to reduce Noise 1 C CD-LD 2 调整IO 光头保护 Closed to ICs pin RESET Circuit CIRCUIT

30、 DIAGRAM-MT1389 RF Reference TRAY SW CRYSTAL CIRCUIT FMSO 89KP_VCOM LD-DVD T+ SF_CS TRIN DQ4 RFV18-1 DQ6 DQ2 MA3 F RFV18-2 OPO A MDI2 SP- CVBS D DQ13 SL- E STHL RFO FOSO DACVDD3 DQ7 UP1_7 GPIO21 F+ SF_CK LDO_CD VREF MA9 MA7 DQM0 XILIMIT UP1_6 TRO IOA WE# D MA1 C MA8 F DV33 SF_DI RFO 89KP_B AOUT_R DQ

31、M1 URST# DQ14 OEV SF_DO XO OP- DQ9 STBY GPIO8 SP+ MA2 GPIO11 F- STBY SL- MA6 FMO DCLK E BA0 T- TRSO B IR 89KP_R RAS# V1P4 CKV _4 V1P4 DQ5 DQ11 T+ MA0 DQ1 GPIO11 AVCM LD-CD C F+ MA10 STVL MA4 F- DQ12 SL+ MA5 GPIO7 A GPIO8 MDI1 FS FOO DQ3 DQ8OEH DQ15 GPIO19 AOUT_L DMSO CAS# _3 DQ10 DACVDD3 B IOA SL+ R

32、FVDD3 OP+ DMO V20 89KP_G DACVDD3 MDI1 DQ0 APLLVDD3 IOA RxD TxD GPIO12 Low_Voltage_Det _2 _1 T- V1P4 SP+ OP+ OPO OP- OP- SP- LIMIT SP-A CPH1 BL_EN FG V20 LDO_CD AVDD33 LDO_DVD LDO_DVD ADACVDD AVCC1 AVCC1 MO_VCC URST# TFT_R TFT_B TFT_G STVL OEV CPH1 CKV STHL 89KP_VCOM OEH FMOFMSOFMSOFMSOFMSO FOO V1P4

33、DMO TROTRSOTRSOTRSOTRSOTRSOTRSO FOSOFOSOFOSOFOSOFOSOFOSO DMSODMSODMSODMSODMSODMSO K4 K1 K2 K3 VGL VGH IO1 IO2 1389_EN DV33 GPIO21 K3 K1 K4 GPIO19 GPIO12 GPIO7 V20V1P4 TFT_G89KP_G TFT_R89KP_R 89KP_BTFT_B TRIN XIXO IR RFVDD3 RFV18-2 DACVDD3 AVDD33 RFV18-1 APLLVDD3 ADACVDD +5V MO_VCC RFVDD3 89L_3V3V18

34、MO_VCC RFV18-2 MO_VCC V18 AVCC DV33 RFV33 89L_3V3 RFV18-1 DV33 AVCC AVDD33 89L_3V3 DV33 V33 RFV33 DV33 +5V V18 89L_3V3 SD33 V33 V33 AVDD33 DACVDD3 89L_3V3 RFVDD3 RFV18-2 89L_3V3 RFV18-1ADACVDD V18 APLLVDD3 R801R R81 0 R99 10k C76 560PF R6627k R59 FB800 C39 120pF R79 0 C414.7uF C52100pF + EC14 220UF/

35、16V R92 10k R89 10K C72 560pF L23 FB C126 104P C68 0.1uF C70 560pF C66 0.1uF C77150pF R480R C53100pF C55 0.1uF R87 1 C71 27pF C42 10uF/10V Q19 3904 SOT23 R640 R97 3.3K Q14 8550 2 13 Q13 2SK3018 1 32 C74 560PF C51100pF R6818k C65 330pF R350 C73 560PF + EC18 47uF/16V C16 104P C47 0.1uF J8 1 2 3 4 5 6

36、7 8 9 10 11 12 13 14 D13 IN4148 12 C81 1uF R31 10K R40 560R 1% C64 330pF J5 5x1 1 2 3 4 5 C79 0.1uF R560R R676.8 C58 0.1uF C61 0.1uF R5510k R75 10k R412.2K R372.2K R362.2K R77 0 C54 104P R9620k R585.1k C116 0.1uF R86 1 C69 0.1uF L28 NC R760R R5115k R9420k R7410k C60 0.1uF Q17 8550 2 13 C491uF Q12 2S

37、K3018 1 32 R62 FB800 C50100pF R98 15K C116 104P Q16 3906 2 13 C82 0.1uF Q18 3904 U5 BA5654 1 9 10 12 3 2 15 7 14 13 21 19 20 24 27 6 4 5 28 8 11 17 18 16 23 22 25 26 2930 VINFC PVCC1 PGND VOSL+ CF2 CF1 VOTK+ VNFFC VOFC+ VOFC- PVCC2 PGND VNFTK CTK2 BIAS VOSL VINSL+ VINSL- STBY VCC VOSL- VOLD+ VOLD- V

38、OTK- VINLD PREGND CTK1 VINTK G1G2 J9 3 4 5 6 7 2 1 3 4 5 6 7 2 1 Q15 3906 2 13 R440 R85 1 L26 10uH R7233k TOP HA1 HEADER 24 SMD0.5 TOP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MT1389L LQFP 128 V1.0 Portable U4 MT1389L/SMD LQFP128/SMD 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 21 2

39、2 23 24 25 26 27 28 29 30 31 32 33 34 36 37 38 39 40 41 42 43 44 45 46 47 48 49 51 52 53 50 55 56 57 54 58 59 61 62 63 60 64 65 66 67 69 70 99 98 97 96 95 94 90 93 92 91 89 88 8413 35 86 79 85 83 82 81 80 78 77 76 75 74 68 73 72 71 4 3 2 1 128 127 126 125 124 123 117 120 119 118 122 116 115 114 113

40、112 111 110 109 108 107 106 105 104 103 102 101 100 87 121 RFE RFF AVDD18 AVDD33 XTALI XTALO AGND V20 REXT MDI1 MDI2 LDO1 LDO2 AVDD33 DMO FMO TRAY_OPEN TRAY_CLOSE TRO FOO FG / GPIO2 USB_DP USB_DM USB_V33 USB_GND PAD_VRT USB_V18 GPIO3 / INT# GPIO4 SF_CS_ SF_DO SF_DI SF_CK UP1_6 / SCL UP1_7 / SDA ICE

41、PRST# IR RD0 RD1 RD2 RD3 RD4 RD5 RD6 RD7 DVDD33 DQM0 RD15 RD14 DVDD18 RD13 RD12 RD11 RD10 RD9 DVSS33 RD8 DQM1 RCLK RA11 RA9 RA8 HCK / GPIO18 HSTL/GPIO17 HOE/GPIO16 VOE/GPIO15 VCK/GPIO14 VSTU / GPIO13 DVDD18 SPDIF / GPIO12 HSTR / GPIO11 LR / GPIO10 UD / GPIO9 VSTD / GPIO8 DVDD33V14 GPIO6 RA3 DVSS18 R

42、A2 RA1 RA0 RA10 BA1 BA0 RAS# CAS# RWE# RA4 DVDD33 RA5 RA6 RA7 RFD RFC RFB RFA RFH / OPINN RFG / OPINP RFIN / OPOUT RFIP AGND18 AVDD18 ADACVSS AL / GPIO1 AVCM AR / GPIO0 ADACVDD2 APLLCAP APLLVDD AADVDD AKIN1 / GPIO21 / Audio_Mute ADVCM / GPIO20 / VCOM AKIN2 / GPIO19 / Audio_Mute AADVSS R B G DACVDDA

43、DACVDDB CVBS DACVSSC FS VREF DACVDDC GPIO7 / CKE ADACVDD1 C78 150pF C75 NC L25 10uH + EC22 22UF/25V C56 104P R34 10K R500 R520R HA2 4x1 1 2 3 4 R65 10k Q11 3904 R63 FB800 +EC17 100uF/10v R101 5.6K R0402 R460 C630.1uF R430 R5410k C117 0.1uF R450 R7110k R53 100k C67 0.015uF C91 104P R60 0 R1003.3K R04

44、02 +EC21 470uF/6.3V R70 6.8 R470 L27FB600R R61 0 C441500pF C80 0.1uF + EC15 100uF/10V R73 10k R422.2K +EC19 47uF/16V +EC20 100uf/10V C62 0.1uF R95 22K R390R L22 FB600 D15 NC 12 C48220pF R910 R32 10K HA3 2x1 1 2 L182K2 C430.1uF R900 C117 104P +EC18 47uF/10V D14 BAT54C 1 2 3 R57 100k R880 R83 0 R6915k

45、 C57 0.1uF R490 C400.1uF R84 1 R82 0 R93 20k C59 0.1uF R33 10K + EC11 10uF/10V0805 C23 0.1uF + EC12 10uF/10V0805 CB1 0.1uF C22 100pF C21 100pF C46 100pF L91.8uH L19 1.8uH C45 100pF L17 1.8uH R27 150 C38 100pF C37 100pF R38 150 R30 150 R28 100k IR1 1 2 3 SW1 12 43 C36 33pF R290 C33 0.1UF R7810k C31 2

46、7PF C30 27PF Y1 27MHz C24 10uF/10V0805 L15FB L11FB C25 0.1uF C32 0.1uF + EC13 10uF/10V0805 L14FB C27 0.1uF L12 150uH L16FBC28 0.1uF C26 0.1uF L10FB L13600R C29 0.1uF C34 10uF/10V0805 C35 0.1uF 7.0 ELECTRICAL DIAGRAM CHARGE ON INDICATION RED CHARGE battery charge DISCHARG POWER ON POWER OFF 20080410

47、CIRCUIT DIAGRAM-POWER GREEN POWER ON INDICATION B-CHARG Low_Voltage_Det ON/OFF B-CHARG ON/OFF +9VDCIN VGL VGH V18 DV33 V33 DC_IN RFV33 AVCC DC_IN PS DC_IN GND GND GND GND GND +9VIN RFV33 GND V33 GND GND GND GND DV33 GND GND V18 GND +5V GND V33 GND GND GND +5V AVCC GND GND V33 GND GND PS DC_IN V33 C1

48、22 1uF 12 C8 0.1uF C124 1uF 12 C11 1uF(0805) DN2SS214U 1 2 3 R22 10K D115V 12 R9 10K J3 DC JACK(+9V+12V) 1 2 3 BATTERY 1 2 3 4 R20 4.7K 1% C13 0.1uF L210uH R12 0R U2 SS7701 1 2 3 4 5 CE GND VFB EXT VIN C20 0.1uF R21 10 C125 1uF 12 R2560R R10 10 +EC10 100uF/10V C14 0.1uF DN1 SS214U 1 2 3 R155 4.7k 12

49、 L6 22uH D18 16V 12 D916V 12 R34.7K R2422K R2318K L1L-851 1 3 2 4 R14 10K C10 0.1uF L522uH Q17 2N3906 2 13 C19 0.1uF F18V-2A_FUSE + EC1 100uF/25V Q1CES2307 C6 1000pF D815V 12 R19 10K R152 1k J2switchpower 1 2 34 5 6 + EC3 100uF/10v D6 SK34 12 +EC2 100uF/10V Q14 3904 2 13 R153 1k 12 C1 0.1uF U1 SS7701 1 2 3 4 5 CE GND VFB EXT VIN C119 0.1uF 12 + EC4 100uF/25V R174.7K D116.2V 12 R18 4.7K D17 12V 12 D4 SK34 12 C15 1uF(0805) + EC5 100uF/10v Q5 3