Philips-PET-748-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET748/58 Published by BU AVM FK Printed in the Netherlands Subject to modification 3141 785 34170 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. 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. 3.0 INSTRUCTION FOR USE 3.0 INSTRUCTION FOR USE Disass

13、embly Procedure on PET748 Remove eight screws on back cabinet to separate top cabinet and back cabinet. screws 8pcs Generally open the front cabinet. Disassemble hous and connecter. 4.0 MECHANICAL INSTRUCTION Disassemble hous and connecter,and take out the DVD LOADER. Disassemble hous and screws,and

14、 take out the main board、sw board. screws 7pcs Remove seven screws on KEY board.screws 7pcs Remove one screws fabrics and connecter hous on IR board. screws 1pcs and connecter hous 1pcs Remove fabrics and hous. Remove the screws on the TFT board.screws 1pcs 5.0 TROUBLESHOOTING SYMPTOM: NO IMAGE / NO

15、 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 to Inside L-Audio, R-Audio, Video, Ground no yes no yes SYMPTOM

16、: 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 Start Replace DVD- Loader Check the DVD-Loader OK? Replace main bo

17、ard 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 button and cable OK? Replace Main Board Replace Button or Cable

18、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 custormerOK Replace KEY board OK 5 5 4 4 3 3 2 2 1 1 DD CC BB AA 9VDC

19、_IN DC_DC POWER ON/OFF SW BATTERY LDO 1389R SS7701 EON 8M MOTOR DRIVER OPU Foryou DM 520+ 1200X 720C MSTAR TENA M12WTP-2PS-E SDRAM 16M SS661O LED DRIVER HASTAR PANNEL LED AVOUT O/P4558 TDA2822 AUDIO MOTOR DRIVER POWER FLASH I2C KEY IR 4558 PET 739 BLOCK USB PET748 WIRING DIAGRAM 3.3V 1.8v IR TV_CVBS

20、 Y/C KEY2 RGB +5V 3.3V +5V +5VCVBS IIC KEY1 IR TCOM 5 5 4 4 3 3 2 2 1 1 DD CC BB AA GS S-FLASH 2 VIDEO INTERFACE D BC847B E 2SK3018 B C POWER 2N3906 3C RF Reference 2 DRAM RS-232 3 2 E 2N3904 1 TRAY SW 1 AUDIO INTERFACE 3 1 B 0.1uF NC 0.1uF NC R87 New Break circuit 150K 0R C89 BAT54C R86150K NC 10K

21、NC Old R84 D11 10K C90 CRYSTAL CIRCUIT C HITACHI 1200X 17 CD-LD 1 22 Vcc RF F A/a C 10 DVD-LD 18 T- 1 F+ 6 24 CD/DVD SW E 20 16 E 13 1 MD F- 8 Very Important to reduce Noise T+ 12 14 VR-CD B B/b 21 NC 3 15 D/d 2 Laser Protection Vc(Vref) 7 GND-PD 23 4 3 GND-LD VR-DVD NC 19 HFM C/c 2SB1132 11 5 9 OPO

22、 用GPIO2 R56 为0R，R55NC OP+用PIN127 R28 为0R，R29NC CIRCUIT DIAGRAM MAIN BORAD 5VM SF_CK DV18 T- 89L_3V3 SP- DMO FMSO FOSO DMSO AOUT_L CAS# Low Voltage Det DQ0.15 SL- FOSO OP+ DQM0.1 SP-A OP- SF_DO RFV18-1 DMSO SF_DI MO_VCC RxD AOUT_R TxD SL+ BA0 T+ V20 URST# CVBS_OUT WE# SP+ SF_CS DV33 RAS# SP+ DCLK MA0

23、.10 F- AVDD33 TRO FOO FMSO SL+ SL- F- V20 AVCC1 LD-CD RFO A IOA T- F+ F LD-DVD MDI1 E F+ D T+ AVCC1 B C LIMIT TRIN GPIO8 GPIO7 OP- C F OPO OP+ IOA D A E B OP- RFV33 I2C_INT S_Y S_C SD33 IR_IN IR_IN VCC5V V1P4 TRSO TRSO FMO V1P4 RFVDD3 USB_DM PWR2PWR2 USB_DP OPO ADVDD V33 MA2 DQ8 USB_V33 ADVCM DQM1 M

24、DI2 RFV18-2 AOUT_L DQ11 FOO USB_V18 DQ9 DQ2 BA0 DQ5 RFVDD3 LDO_DVD RAS# MA0 RxD DQ12 DQ7 DQ1 XO LDO_CD MA4 CVBS_OUT DCLK DQ13 URST# MDI1 S_Y AOUT_R TxD IR SF_DO LDO_CD V20 V1P4 V1P4 WE# SF_CS USB_DM FG MA6 MA10 DQ14 DQ6 XI RFV18-2 MA1 DQ3 AVDD33 XO MA9 SF_DI S_C GPIO8 DACVDD3 MA7 MA5 MA8 DQ4 USB_DP

25、STBY FMO DQ15 TRO DMO LDO_DVD CAS# MA3 IOA FS DQ10 DQ0 SF_CK DQM0 RFV18-1 RFV33 DACVDD3 BA1 GPIO7 I2C_INT XI ADVCM FMSOFMSOFMSOFMSO ADVDD RFO TRSOTRSOTRSOTRSOTRSOTRSO FOSOFOSOFOSOFOSOFOSOFOSO STBY AVCC DMSODMSODMSODMSODMSODMSO LIMIT TRIN SP- V1P4 5VM RFVDD3 MO_VCC RFV33 SD33 RFVDD3 MO_VCC 89L_3V3 SD

26、33 RFV18-1 AVDD33 89L_3V3 DV18 V1.8 RFV18-2 DACVDD3 V1.8 89L_3V3 89L_3V3 V1.8 RFV33 AVCC AVCC RFVDD3 V1.8 89L_3V3 AVDD33 RFV18-2 VCC5V VCC5V 89L_3V3 V1.8 89L_3V3V1.8 RFV18-1 RFV3389L_3V3 VCC5V DQ0.153 WE#3 DCLK3 DV331,5 5VM1 SF_CK3 Low Voltage Det1 SF_DI3 89L_3V31 CVBS_OUT4 DQM0.13 URST#1 RAS#3 BA03

27、 AOUT_R4 MA0.103 DV181 SF_DO3 SF_CS3 CAS#3 AOUT_L4 RFV331 I2C_INT5 S_Y5 S_C5 SD333 IR_IN5 VCC5V1,5 V331 Q16 3906 Q16 3906 2 13 C520.1uFC520.1uF C1010.1uFC1010.1uF C65150pFC65150pF R59 1R R59 1R R57 1R R57 1R C37 0.1uF C37 0.1uF +EC1 100UF/10V +EC1 100UF/10V R430RR430R C49 0.1uF C49 0.1uF + EC24100uF

28、/10V + EC24100uF/10V SW2SW2 21 43 C103 0.1uF C103 0.1uF Y1 27MHz Y1 27MHz C62 0.015uF C62 0.015uF +EC26 100uF/10v +EC26 100uF/10v R3110RR3110R R64 0R R64 0R +EC25 100uF/10V +EC25 100uF/10V Q12 3018 Q12 3018 2 13 C28 0.1uF C28 0.1uF LED1 LED DIP2.54 LED1 LED DIP2.54 F21A FUSE4 F21A FUSE4 MT1389LA LQF

29、P 128 V1.0 Portable U4 MT1389L/SMD LQFP128/SMD MT1389LA LQFP 128 V1.0 Portable U4 MT1389L/SMD LQFP128/SMD RFE 5 RFF 6 AVDD18 7 AVDD33 8 XTALI 9 XTALO 10 AGND 11 V20 12 REXT 14 MDI1 15 MDI2 16 LDO1 17 LDO2 18 AVDD33 19 DMO 20 FMO 21 TRAY_OPEN 22 TRAY_CLOSE 23 TRO 24 FOO 25 FG / GPIO2 26 USB_DP 27 USB

30、_DM 28 USB_V33 29 USB_GND 30 PAD_VRT 31 USB_V18 32 GPIO3 / INT# 33 GPIO4 34 SF_CS_ 36 SF_DO 37 SF_DI 38 SF_CK 39 UP1_6 / SCL 40 UP1_7 / SDA 41 ICE 42 PRST# 43 IR 44 RD0 45 RD1 46 RD2 47 RD3 48 RD4 49 RD5 51 RD6 52 RD7 53 DVDD33 50 DQM0 55 RD15 56 RD14 57 DVDD18 54 RD13 58 RD12 59 RD11 61 RD10 62 RD9

31、 63 DVSS33 60 RD8 64 DQM1 65 RCLK 66 RA11 67 RA9 69 RA8 70 CVBS 99 DACVSSC 98 FS 97 VREF 96 DVD33 95 VSTU / GPIO13 94 DVDD18 90 SPDIF / GPIO12 93 HSTR / GPIO11 92 LR / GPIO10 91 UD / GPIO9 89 VSTD / GPIO8 88 DVDD33 84 V14 13 GPIO6 35 RA3 86 DVSS18_GND 79 RA2 85 RA1 83 RA0 82 RA10 81 BA1 80 BA0 78 RA

32、S# 77 CAS# 76 RWE# 75 RA4 74 DVDD33 68 RA5 73 RA6 72 RA7 71 RFD 4 RFC 3 RFB 2 RFA 1 RFH / OPINN 128 RFG / OPINP 127 RFIN / OPOUT 126 RFIP 125 AGND18 124 AVDD18 123 AVCM 117 ALF/CENTER 120 ALS 119 AL 118 ADACVDD2 122 AR 116 ARS 115 ARF/LFE 114 ADACVSS2_GND 113 ADACVSS1_GND 112 APPLLCAP 111 APLLVDD3 1

33、10 AADVDD 109 AKIN1 108 ADVCM 107 AKIN2 106 ADACVSS 105 R 104 B 103 G 102 DACVDDA 101 DACVDDB 100 GPIO7 / CKE 87 ADACVDD1 121 Q14 8550Q14 8550 2 13 R47 4.7R47 4.7 C48 0.1uF C48 0.1uF Q18 BAT54C Q18 BAT54C 1 2 3 L16FB600RL16FB600R C441500pFC441500pF R4510kR4510k C424.7uFC424.7uF R39100kR39100k C68 0.

34、1uF C68 0.1uF L29 10uH L29 10uH C55 0.1uF C55 0.1uF + EC2747uF/16V + EC2747uF/16V R5610kR5610k L1910uHL1910uH C102 0.1uF C102 0.1uF C58 0.1uF C58 0.1uF C54 0.1uF C54 0.1uF L21 FB600R L21 FB600R L260RL260R R70 10k R70 10k R350R350 Q13 3018 Q13 3018 2 13 C60 330pF C60 330pF C46220pFC46220pF R400RR400R

35、 Q11 3904 Q11 3904 C105 0.1uF C105 0.1uF R5318kR5318k R33100kR33100k R515.1kR515.1k EC21 10uF/10V0805 EC21 10uF/10V0805 R5510kR5510k R202 NCR202 NC C38 0.1uF C38 0.1uF R3610kR3610k C63 0.1uF C63 0.1uF C29 0.1uF C29 0.1uF HA3 2x1 HA3 2x1 2 1 L17FB600RL17FB600R C39 0.1uF C39 0.1uF L250RL250R R6820kR68

36、20k C59 330pF C59 330pF R500RR500R R46 4.7R46 4.7 R4833kR4833k + EC23220UF/6.3 + EC23220UF/6.3 C64 0.1uF C64 0.1uF R3410kR3410k R62 10k R62 10k C69 0.1uF C69 0.1uF R38 560R 1% R38 560R 1% C57 0.1uF C57 0.1uF R41 0R R41 0R SW1SW1 IR 1 GND 2 VCC 3 C104 0.1uF C104 0.1uF + EC30 470uF/6.3V + EC30 470uF/6

37、.3V R63 0R R63 0R D11 1N4148 D11 1N4148 12 C53NCC53NC R201 NCR201 NC L220RL220R C106 0.1uF C106 0.1uF R370RR370R R691RR691R C30 0.1UF C30 0.1UF R29 220 R29 220 L270RL270R R4415kR4415k Q15 3906 Q15 3906 2 13 R42 0R R42 0R C510.1UFC510.1UF C33 27PF C33 27PF C35 0.1uF C35 0.1uF R60 1R R60 1R + EC2947uF

38、/16V + EC2947uF/16V + EC19 10uF/10V0805 + EC19 10uF/10V0805 Q17 8550 Q17 8550 2 13 C67 0.1uF C67 0.1uF C27 6800pF C27 6800pF C471uFC471uF EC20 10uF/10V0805 EC20 10uF/10V0805 R4910kR4910k R71 10K R71 10K C40 120pF C40 120pF TOP HA1 HEADER 24 SMD0.5 TOP TOP HA1 HEADER 24 SMD0.5 TOP 1 2 3 4 5 6 7 8 9 1

39、0 11 12 13 14 15 16 17 18 19 20 21 22 23 24 L15150uHL15150uH C34 27PF C34 27PF R6720kR6720k +EC16 10uF/10V0805 +EC16 10uF/10V0805 R30100kR30100k +EC17 100uF/10V +EC17 100uF/10V C56 0.1uF C56 0.1uF C36 0.1uF C36 0.1uF EC2210uF/10VSMDEC2210uF/10VSMD R200 NC R200 NC HA4 4x1 HA4 4x1 1 2 3 4 J6 4x1 J6 4x

40、1 1 2 3 4 L28 10uH L28 10uH C1000.1uFC1000.1uF +EC2 100uF/10V +EC2 100uF/10V C500.1UFC500.1UF L13FB600RL13FB600R + EC28100uF/10V + EC28100uF/10V D10SS14D10SS14 12 L14FB600RL14FB600R 1:GND 2:D+ 3:D- 4:VCC 4 2 3 1 HA5 USB TYPEA 1:GND 2:D+ 3:D- 4:VCC 4 2 3 1 HA5 USB TYPEA 2 3 4 1 56 C66 150pFC66 150pF

41、R771KR771K R5415kR5415k L12FB600RL12FB600R U5 BA5654 U5 BA5654 VINFC 1 PVCC1 9 PGND 10 VOSL+ 12 CF2 3 CF1 2 VOTK+ 15 VNFFC 7 VOFC+ 14 VOFC- 13 PVCC2 21 PGND 19 VNFTK 20 CTK2 24 BIAS 27 VOSL 6 VINSL+ 4 VINSL- 5 STBY 28 VCC 8 VOSL- 11 VOLD+ 17 VOLD- 18 VOTK- 16 VINLD 23 PREGND 22 CTK1 25 VINTK 26 G1 2

42、9 G2 30 R58 1R R58 1R EC5410uF/10vEC5410uF/10v R3210RR3210R L240RL240R R6110kR6110k C61 0.1uF C61 0.1uF C2 0.1uF C2 0.1uF L230RL230R R5227kR5227k R66 20kR66 20k L18FB600RL18FB600R C32 0.1uF C32 0.1uF C410.1uFC410.1uF L20 FB600RL20 FB600R +C31 10uF/25V G0805 +C31 10uF/25V G0805 R65 10kR65 10k + EC18

43、10uF/10V0805 + EC18 10uF/10V0805 5 5 4 4 3 3 2 2 1 1 DD CC BB AA CURRENT=4mA CURRENT=3mA CURRENT=32mA Keep away of Analog Area CURRENT=138mA CURRENT=10mA CURRENT=14mA CURRENT=1mA CURRENT=6mA CURRENT=19mA Bottom Contact VCOMDC=1.3V VCOMAV=7.0V For reduce the noise CURRENT=1mA VIEDO CONTROL I2C VCOM P

44、OWER KEY CURRENT=8mA CIRCUIT DIAGRAM-MT720C TCON11 VROUT CLK3 TCON12 TCON13 ADKEY2 AVDD_SAR SY CSNCSN OEV1 STV2 OEH SDO TCON14 STV1 STH1 TCON15 CLK2 SDI_EEP_SDA VLCDSW VGOUT TCON10 STH2 VBOUT VR VG CSN SCK_EEP_SCL SDI_EEP_SDA SDO VGL AVDD_SAR LED_BRIGHTNESS SC C1INM C1INP TUNER_PW VCOMOUT VLCDPW TV_

45、CVBS VGLOUT S_Y -5V S_C TUNER_PW SDA VDD_LCD VCOM VCC5V LED_BRIGHTNESS VGL VEE_LCD SCL I2C_INT ADKEY2 U/D VGH VG OEH CLK1 VB CLK1 VB R/L OEV1 CLK2 CPV CLK3 STV1 STH1 STH2 MOD VR VCOM VCOM STV2 VGH VGLOUT CPV U/D R/L MOD RESET_MARIA ADKEY1 ADKEY1 VLCDPW AUDIO_MUTE I2C_INT SCK_EEP_SCL SCL SDA FAULTZ F

46、AULTZ IR IR SCL_TX SDA_RX AVDD_OPLL AVDD_PWM AVDD_GMC A AVDD_DAC AVDD_DAC AVDD_DPWM AVDD_OPLL AVDD_MPLL AVDD_MPLL AVDD_PWM VCC5V A A AVDD_ADC VCC1.8V VDDC VCC5V VDDC AVDD_GMC AVDD_ADC VDDP VDDP VCC5V VDDC AVDD_PWM A AVDD_DPWM DV33 VDD_LCD VEE_LCD GNDP GNDP VCC5V GNDP VCC1.8V GNDPGNDP GNDP VCC5V GNDP

47、 GNDP GNDP GNDP GNDP GNDP AVDD_DPWM A VCC5V A AVDD_GMC VCC5V DV33 VCC5V GNDP GNDP GNDP -5V ADKEY2 REF_PWM VCOMDC CP2_P Y1INP DGND PWM1 S_Y Y1INM CP1_N TV_CVBS CVBS1M CVBS1P CP2_FB Y1INP CVBS1P CP1_P CP2_N Y1INM CVBS1M CP1_FB VCOMOUT FB1 PWM1 FB1 CP2_P REF_PWM CP2_N CP1_P CP1_N CP2_FB CP1_FB S_CC1INP

48、 C1INM VEE_LCD2 TV_CVBS2 VCOM2 S_Y(2) VDD_LCD 2 -5V2 SDA2 VLCDPW2 LED_BRIGHTNESS 2 VCOMOUT2 VGL2 TUNER_PW2 VCC5V2 S_C(2) VGLOUT2 SCL2 I2C_INT(2) C1INM C1INP ADKEY2(2) DGND U/D2 R/L2 MOD2 ADKEY1 ADKEY1(2) AUDIO_MUTE AUDIO_MUTE2 DVD-SW BET-DET VLCDSW PVI07/AT07/AT056/AU07/CPT07 TCN1 AU_A070FW03 PVI07/

49、AT07/AT056/AU07/CPT07 TCN1 AU_A070FW03 GND 1 VCC 2 VGL 3 VGH 4 STR 5 STL 6 CKV 7 U/D 8 OEV 9 VCOM 10 VCOM1 11 L/R 12 MOD 13 OEH 14 STHL 15 STHR 16 CPH3 17 CPH2 18 CPH1 19 VCC 20 GND 21 VR 22 VG 23 VB 24 AVDD 25 AVSS 26 Fin1 27 Fin2 28 TR211KTR211K TC77 0.1uF TC77 0.1uF TL22 2.2uH TL22 2.2uH TR45 100K TR45 100K TR26 270K TR26 270K TC58 0.1uF TC58 0.1uF TC78 0.1uF TC78 0.1uF TR110RTR110R TR17 4K7 TR17 4K7 TC76 0.1uF TC76 0.1uF TC30 100pF TC30 100pF TC51 0.1uF TC51 0.1uF