Philips-DVP-4320-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD PLAYER DVP4320BL/93/12/51 3. Reading the USB or CD-ROM，in accordance with prompt，press ”OK” key to upgrade. Warning: Do not unplug the AC adapter during firmware upgrade to prevent flash corrupt of the set! Procedure to check SW version of your DVD Portable 1. OPEN 2. Press SETUP MENU 3. Select

2、Preferences 4. Select Version Info 5. Press “OK” key 1- 3 2.0 Safety instruction 1. General safety Safety regulations require that during a repair: . Connect the unit to the mains via an isolation transformer. . Replace safety components indicated by the symbol Only by components identical to the or

3、iginal ones. Any Other component substitution (other than original type) May increase risk of fire or electrical shock hazard. Safety regulations require that after a repair, you must Return the unit in its original condition. Pay, in particular, Attention to the following points: . Route the wires/

4、cables correctly, and fix them with the mounted cable clamps . Check the insulation of the mains lead for external Damage . Check the electrical DC resistance between the mains Plug and the secondary side: 1) Unplug the mains cord, and connect a wire between The two pins of the mains plug. 2) Set th

5、e mains switch the “on” position (keep the Mains cord unplug). 3) Measure the resistance value between the mains plug and the front panel, controls, and chassis bottom. 4) Repair or correct unit when the resistance measurement is less than 1M 5) Verify this, before you return the unit to the custome

6、r/user (ref. UL-standard no. 1492). 6) Switch the unit “off”, and remove the wire between the two pins of the mains plug. 2. Laser safety This unit employs a laser. Only qualified service personnel May remove the cover, or attempt to service this device (due to possible eye injury). Laser device uni

7、t Type :Semiconductor laser GaAIAs Wavelength :650nm (DVD) :780nm (VCD/CD) Output power :7mW(DVD) :10mW(DVD/CD) Beam divergence:60 degree Note: Use of controls or adjustments or performance of procedure other than those specified herein, may result in hazardous radiation exposure. Avoid direct expos

8、ure to beam. 2- 1 3.0 INSTRUCTION FOR USE You can download this information from the following websites: 3- 1 4.0 MECHANICAL AND DISMANTLING INSTRUCTIONS The following guidelines show how to dismantle Step1:Remove 4 screws around the bottom Cover Figure 1 Step2:Open the mid-Cover(Figure 2 &3) Figure

9、 2 4- 1 Figure 3 Step3:Remove the 14 screws on board(Figure 4) Figure 4 4- 2 4.0 MECHANICAL AND DISMANTLING INSTRUCTIONS Spindle motor does not move Yes Yes No No No No Yes Check whether “MD_VCC” (VCC) voltage is normal. Correct connection Check the MD_VCC power supply Check/Replace Q4?Q5 Check/ Rep

10、lace U1. Check opu focus 1. Check U2 25pin RFO signals 2.If there are F+, F-, T+ and T- signals output from U1. Check/Replace the loader Yes Yes No Go Check whether laser voltage (1.9V for CD & 2.3V for DVD) on L21 & L22 Check the FFC connection between 24P and the loader. 1. Whether voltage on pin

11、23 of U2 varies between 0 and 3.3V (3.3V for CD and 0V for DVD), 2. Whether peripheral components are eroded or badly soldered. Trouble shooting chart Motor not move 5- 1 The power can not be on or off Go Yes Yes No No The power cant be on or off Yes Replace the power board Check the power supply on

12、 the power board and the connection to to decoder board is normal. Check/Correct connection Whether the connection to Standby Board is broken. Correct the connection Replace U1. No No Yes Yes Check if the CON2 on the front board to J 5(6PIN) on the decoder board is in good contact. Whether there is

13、1.8V and 3.3V voltage difference on L5 and L7 Trouble shooting chart or correct the connection 5- 2 Disc cannot be read. No Yes No Yes No Yes Yes No No Yes Disc cannot be read. Check the loaded circuit 1.Check voltage on pin 15 of U1 varies between 0 and 3.3V: ?3.3V for CD ?0V for DVD 2.Check whethe

14、r peripheral components are eroded or defect Check the FFC connection between 24P and the loader. Check U5 and peripheral components Re-solder or replace the defective parts Check the connection between U5 Correct connection Replace U5 or loader. Yes Check whether there is laser voltage (1.9V for CD

15、 and 2.3V for DVD) on Collector of Q10 &Q7 Check if there is RFO signal on the pin17 of J4. (The normal RFO signal is a clear reticulated wave) Check U1, U5, and peripheral components are eroded or badly soldered. Trouble shooting chart 5- 3 Only DVD disc or only disc except DVD can be played No No

16、Yes Only DVD disc, or only disc except DVD can be Played. Check the FFC connection between 24pin and the loader. Check the loaded circuit Check the solder status on U5 and peripheral components Check whether there is voltage variance on pin 18 of U2. check if bad solder exist on U2 and peripheral co

17、mponents Replace the bad spare parts Check whether pin 1 - 24 and pin 123-128 of U1 and peripheral components are badly soldered, defected Check Q4, Q5, Q3 whether in good condition Yes Yes Yes Go Correct connection Change U5 or the loader. No No Yes Check laser voltage (1.9V) output on Collector of

18、 Q4, if pin 15 of U1 is at low level. No Trouble shooting chart 5- 4 Distorted audio and loud noise Yes No Yes Yes No Distorted audio and loud noise Replace L2 Replace Q15, Q16 Check he power supply voltages +12V to the operation amplifying L2 are normal Check whether the muting transistors Q15, Q16

19、, are normal Checking the U7 leads the feet has no to break to open Correct connection Check whether the U7 power supply normal No Yes Yes Check U7 Replace U7 No Trouble shooting chart No 5- 5 Abnormal color of video picture Yes Abnormal color of video picture Check whether the 3.3V and 1.8V power s

20、upply voltages on the decoder board are normal. Check Y1, L30, CE1 Check other of power supply electric circuit Correct the connection Check whether the video filter network circuit is normal. Yes Yes No No No Check whether the 27MHz output signal is normal. Replace U1 Yes Trouble shooting chart 5-

21、6 Remote reception is insensitive or fails. No Remote reception is insensitive or fails. Check if the remote control works properly. Check battery Check pin1 pin2 of J6 on front board Use an oscilloscope to check if there is output waveform from the first pin IR of the remote censor after pressing b

22、utton on the remote control. U2(PIN 3 - RCwaveform) Check if there is IR signal on pin 33 of U1 Check if the power supply voltage to the remote censor is normal Go No No No Yes Yes Yes Correct connection Yes Change U2 IR waveform Trouble shooting chart 5- 7 No video picture, no sound. Change Q1,Q2 N

23、o video picture, no sound. Check if the reset circuit consisting of Q1,Q2,CE6 is normal (at a high level for tens of milliseconds, then constantly at 0V). Check whether there is 27MHz signal output. Check if there is 133MHz signal output on R56. Check the loaded circuit Crystal oscillator Y1 and per

24、ipheral components are defected or eroded. Check whether short-circuit or bad solder on U1, U5 No No No No Yes Yes Yes Yes Yes Reconnect the component in short-circuit Check U1. 27M waveform SDRAM(R49 SDCLK) waveform Check whether all the voltages from the power board to the decoder board are normal

25、. CVBS(L30 point) waveform Trouble shooting chart Go No 5- 8 No display on LED, and buttons do not work No No No LED and buttons do not work Check whether there is correct contact between J 6 of front board and J 5 of decoder board Correct connection Fix power supply board top a power supply for sho

26、uld electric circuit Check the U1s pin 33,105,103,38 arrive the J 6 connect condition Correct connection Replace LED or Q1,Q12 for 3904 Yes Yes Yes Check VCC voltage on the power and front board Check whether there is 0V or VCC on the signals of KEY PCB Check whether the circuit connected to LED & B

27、UTTONS is broken, Trouble shooting chart Yes Yes No Check wether Q1,Q12, for 3904 &LED is broken, 5- 9 DVD-AU-R 5V SDRAM 4*16 Switch Power RF OP IR AV-OUT RCA MT1389DXE-M 3.3V1.8V HDMI JACK DVD-CVBS AM5888S 1.8V 5V IR SENSOR KHM-313AHD SPI Flash 16M KEY 4558 DVD-AU-L 3.3V COAX 12V USB pin98 pin19 pi

28、n20 DP DM BLOCK DIAGRAM 6- 1 OFF-PAGE CONNECTION SCART/VGA I/F TMDS I/F HDMI I/F POWER VIDEO I/F AUDIO I/F DDC_SW ESD0603/SMD TDK ACM2012H-900-2P/0 FILTER/SMD/0805 U/B Y/G V/R CVBSO CVBS_OUT VCC GPIO11 HDMI_VCC GPIO3 HPLG HDMI_SCL CEC CEC HPLG UP1_6.7 TXC- TXC+ TX0- TX0+ TX2+ TX1- TX1+ TX2- GPIO3 HD

29、MI_SDA TX0+ TXC+ TX0- CVBS_OUT B/U G/Y R/V RCH LCH DV33 UP1_6 HDMI_SCL HDMI_SDAUP1_7 VSTB HPLG VSTB CVBSO TX1+ TX1- GPIO7 VB_5V GPIO7 TX2- TX2+ TXC- $22 $18 V/R $19 $15 $13 Y/G $24 U/B $20 $14 $23 V/PR$15 $20 $24 COAXIAL Y/Y U/PB VB_5V V/R U/B Y/G CVBS_OUT2 VCC1,2,3 GPIO112 UP1_6.72 HPLG2 GPIO32 TXC

30、-2 TX0+2 TXC+2 TX0-2 TX1+2 TX1-2 TX2+2 TX2-2 R/V B/U G/Y LCH4 RCH4 DV331,2,3,4 VSTB2 CVBSO4 GPIO72 COAXIAL VB_5V2 VB_5V VCC DV33 VCCDV33 VCC DV33 VCC DV33 VB_5V VB_5V VB_5V Q30 3906 1 32 L36 1.8uH R7375/1% D20 NC R123 2k R129 20k D22 1N4148 12 C39 22pF D14 NC Q29 3906 1 32 R115 4.7K C16 100pF J6 RCA

31、*4 1 2 3 4 5 6 78 910 C19 100pF CB54 0.1uF Q24 2N3904 1 32 J9 HDMI TYPE- A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2221 2023 L330R FILTER/SMD/0805 1 32 4 R14475/1% D17 NC R1261k D21 1N4148 12 R124 1.8k CB53 0.1uF R122 75 1% Q28 3906 1 32 R141 75,1%/ R70 75 1% C40 22pF D18 NC R114 1K L35FB +

32、CE38 22uF/10v 12 TP47 Q26 2N3904 1 32 TP15 R131 27k Q22 CES2302 1 32 L27 1.8uH R128 1k R117 3.3k R81 75,1%/ L37 1.8uH +CE37 10uF/10v 12 C42 100pF R13575/1% TP46 D23 NC C20 100pF R11310K R1250 R120 75 1% R121 3.3k L320R FILTER/SMD/0805 1 32 4 C7 100pF L38 1.8uH R143 75,1% TP1 D25 NC L340R FILTER/SMD/

33、0805 1 32 4 R134 75 1% Q25 2N3904 1 32 TP34 R119 75 1% D24 NC Q23 3904 1 32 L30 1.8uH L4 1.8uH D16 1N4148 12 CB52 0.1uF R11875 1% C41 100pF D15 1N4148 12 Q27 2SK3018 1 32 R142 75 1% D26 NC R12710k +CE39 10uF/10v 12 L310R FILTER/SMD/0805 1 32 4 D27 1N4148 12 D19 NC R116 470R R130 1.8k L28 1.8uH D13 N

34、C ELECTRICAL CIRCUIT - MAIN BOARD(VIDEO HDMI) 7- 1 OFF-PAGE CONNECTION AUDIO I/F Power DigitalAudio VIDEO I/F AudioMute AR AL ARS ALS ARF ALF +12V GPIO6 +P12V AKIN1 DV33 AVCC ASPDIF ASPDIF B/U G/Y R/V RCH LCH RCH LCH CVBSO 12V A_MUTE_L 12V LCH 12V A_MUTE_L I/O 4 I/O 3 I/O 2 I/O 1 I/O 1 AR +12V ref C

35、VBSO COAXIAL GPIO8 RCH A_MUTE_R VB_5V AOUTR ALAOUTL ref ref AL2 AR2 ARS2 ALS2 ARF2 ALF2 +12V1 GPIO62 +P12V1 AKIN1 DV331,2,3,5 AVCC1,2 ASPDIF2 R/V B/U G/Y RCH LCH CVBSO5 GPIO9 GPIO6 GPIO11 GPIO5 COAXIAL GPIO8 VB_5V2 ref ref +12V +5V VB_5V +CE36 47uF/16v 12 Q15 2N3904 1 32 R89 100 + CE1220uF/10v R39 0

36、R 21 Q16 2N3904 1 32 C37 330pF R64470R 12 R82 33K R159 100k C31 100PF D71N4148 12 J7AV/OUT- JACK 1 2 3 45 6 7 1 2 3 45 6 7 D9 1N414812 R87 10K R14643K D8 1N4148 12 + - U7B NJM4558 OPA 5 6 7 84 R101 10K TP40 R97 10k R95 0 +CE26 100uF/10V 12 R11043K + CE29 10uF/16V 12 +CE35 100uF/16v R76 5.1K + - U7A

37、NJM4558 OPA 3 2 1 84 TP38 CB1 1000pF C36 0.1uF CB10 100pF 21 CB46 0.1uF + CE27 10uF/16V 12 D6 1N4148 12 TP39 + CE31 10uF/16V 12 R38 0R 21 CB48 0.1uF R1001K Q19 2N3906 1 32 R98 510 CB11100pF 21 R74 33K R107100 R102 100 R88 5.1K R7510K R103 100k Q17 2N3906 1 32 C35 3300pF R108 100 R96 0 R900R 21 + CE2

38、8 10uF/16V 12 R10447k C33100PF R99470 CB5 1000pF R145 470R R77 100 Q18 2N3904 1 32 R158 100k 12 7- 2 ELECTRICAL CIRCUIT-MAIN BOARD(AUDIO) S-FLASH DRAM I/F OFF-PAGE CONNECTION 16M SDR_DRAM (Dual Layout) SerialFlash SERVO I/F Power Misc DQ4 DQ6 MA0.11 RAS# BA0.1 DQ3 MA9 SDCLK DQ2 DQ15 DCLK SF_CK DCAS#

39、 MA4 HOLD# SDCLK SDCKE DCS# MA6 DCLK DQ1 DQ5 SDCKE MA8 DQ12 DQ13 MA11 SF_CS MA3 SF_DI MA0 DBA0 BA1 SF_DO MA10 SF_DO SF_CS DBA1 DQ0.15 MA5 DQ0 DBA0 DQ11 SF_CS WE# DQM0.1 CAS# SF_CK DQ8 DCS# MA7 DQ10 DQM0 BA0 DWE# SF_DI SDCLK MA2 DQ14 DQ7 DRAS# DQM1 MA1 DBA1 DQ9 V1P4 SL- FMSO DMSO TRSO FOSO SP- T- F-

40、SL+ SP+ SP- STBY F- FMSO TRCLOSE SL- TROPEN T+ V1P4 TRIN FOSO TRSO SL+ T- DMSO SP+ F+ STBY DV33 VCC ADJ_18 V18_MD FBI_33 T+ F+ FBI_18 FBI_33 ADJ_33 ADJ33 ADJ18 V33_MD FBI_18 V18_MD V33_MD URST# RAS# CAS# WE# DRAS# DCAS# DWE# ADJ_18 ADJ_33 SF_CK2 SF_DO2 SF_CS2 SF_DI2 MA0.112 RAS#2 CAS#2 DQM0.12 WE#2

41、DQ0.152 DCLK2 BA0.12 T+2 STBY2 SP+2 TRSO2 V1P42 TRIN2 DMSO2 FOSO2 F-2 TRCLOSE2 SP-2 FMSO2 SL+2 F+2 SL-2 TROPEN2 T-2 DV331,2,4,5 VCC1,2,5 V18_MD1 V33_MD1 URST#1,2 SF_3V3 SR_3V3 SR_3V3 SF_3V3 SR_3V3 SR_3V3 DV33 SF_3V3 SR_3V3 MD_VCC MD_VCC SF_3V3 DV33 SF_3V3 VCC VCC R600 R5410k R1551R DIP/R 12 CB41 0.1

42、uF CB38 0.1uF CB39 0.1uF C2915pF/NC +CE20 47uF/6.3v R69 10k 1% CB34 0.1uF R610 R71 10k + CE24 220uF/6.3v U5 AT5888S HSOP28 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 VOTR- VOTR+ VOSL- REGO2 TRB1 VOTK+ REV VOFC+ VOFC- VCTL VCC2 NC NC BIAS FWD VINSL+ REGO1 MU

43、TE VCC VOSL+ VOLD+ VOLD- VOTK- VINLD GND TRB2 VINTK G1G2 R6210k L25FB L23FB C30 0.1uF R6310k +CE19 100uF/6.3v R66 5.1k 1% Q14 2SC8550D/DIP 1 32 CB44 0.1uF R570 R1332k 1% 21 R5633 +CE21 100uF/10v CB43 0.1uF Q31 2SC8550D/DIP 1 32 Q13 2SC8550D/DIP 1 32 CB45 0.1uF CB42 0.1uF L26FB CB37 0.1uF CB33 0.1uF

44、+CE25 47uF/6.3v R67 20k Q32 2SC8550D/DIP 1 32 L24FB U3 ESMT M12L64164A 64M 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 DQML WE CAS RAS CS A1

45、1 A10/AP 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 DQ14 DQ15 VSS BA0/A13 BA1/A12 VCCQ VSSQ VCC VSS CB36 0.1uF CB35 0.1uF R580 R5510k +CE22 100uF/10v R1544R3 12 R6810k U4 AT25FS160 1 2 3 45 6 7 8 CE# SO WP# VSSSI SCK HOLD# VDD CB40 0.1uF R132

46、10k 1% R16010R R590 R6510k R91 10R PDF created with pdfFactory Pro trial version 7- 3ELECTRICAL CIRCUIT-MAIN BOARD(SDROM FLASH MOTOR) VIDEO I/F OFF-PAGE CONNECTION S-FLASH IIC I/F DRAM I/F AUDIO I/F MCR I/F USB I/F RS- 232 IR / VFD TMDS I/F SERVO I/F RF Reference VR-DVD 11 20 A/a 23 NC 15 18 F E 14

47、13 Vcc GND-LD 12 Vc(Vref) 22 9 HFM NC CD-LD 16 VR-CD DVD-LD 19 GND-PD 17 MD 24 10B/b 21 Chip Decap. Power USB I/F AUDIO DAC KEY H=DVD :L=CD D/d 2 CD/DVD SW 3 RF 6 8 T+ 5 T- F+ 7 4 1F- C/c USB_DM USB_DP AKIN1 _2 _3 _4 _1 IR UP1_6.7 LD- CD LD- DVD GPIO6 GPIO11 GPIO19 ASPDIF URST# VCC GPIO3 AVCC DV33 S

48、P-SP- A SL+ SL- APLLVDD3ADACVDD SP- SP+ V20 F- F+ T+ T- C D IOA A B F DCLK MA0.11 SF_DI DQ0.15 SF_CS BA0.1 RAS# SF_CK SF_DO DQM0.1 RFO CAS# WE# E RFV18- 2V18 MDI1 V1P4 V1P4 STBY TROPEN TRIN TRCLOSE XO C B XOXO A D F XI XO U/B V/R Y/G CVBS_OUT RFV18- 1 RFO DACVDD3DACVDD3 SP+ SP- A T- F- T+ SP+ SP- SL- SL+ F+ HPLG TX2- TX1- TXC+ TX0- TX1+ GPIO7.9 TX0+ TX2+ TXC- UP1_6.7 FOO TRO DMO FMOFMSO FOSO TRSO DMSO FOSO DMSO FMSO TRSO ARF AL ALS AR ARS ALF AVCC1 AVCC1 89M_3V3 V18 TRCLOSEGPO5 TROUT TROPENIOA XIXIXIXI RFV33 VSTB GPIO11 RFV18- 1