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5-1

DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935

5-1. WAVEFORMS

SECTION 5

WAVEFORMS AND CIRCUIT VOLTAGE

1. Spindle control waveform (No disc condition)

DMSO/ECR (U8 PIN21)

U (U8 PIN7)

V (U8 PIN4)

W (U8 PIN2)

Fig 5-1

TRO (U6 PIN24)

TRSO (R95)

2. Tracking control relate signal (system checking-cd)

Fig 5-2

Fig 5-3

TRO (U6 PIN24)

TRSO (R95)

3. Tracking control relate signal (system checking-dvd)

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Содержание DVP-FX921 Marketing Specifications (DVP-FX921)

Страница 1: ...system TFT active matrix Resolution 800 480 effective pixel rate more than 99 99 General Power requirements DC 9 5 V AC power Adaptor Car battery adaptor DC 7 4 V Battery pack Power consumption DVD VIDEO Playback 8 5 W when used with a headphone Dimensions approx 227 34 4 170 8 mm 9 1 3 8 6 3 4 inches width height depth incl projecting parts Mass approx 900 g 1 98 lbs Operating temperature 5 C to ...

Страница 2: ...VICING DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 25 cm FROM THE SURFACE OF THE OBJEC TIVE LENS ON THE OPTICAL PICK UP BLOCK SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAF...

Страница 3: ... 3 6 MAIN Board 4 5 VIDEO OUT PANEL CONNECT 3 6 3 7 MAIN Board 5 5 AUDIO 3 7 3 8 LCD Board T_CON 3 8 3 9 KEY Board TOUCH BOARD 3 9 4 PRINTED WIRING BOARDS 4 1 MAIN Board SIDE A 4 1 4 2 MAIN Board SIDE B 4 2 4 3 LCD Board 4 3 4 4 KEY Board 4 4 5 WAVEFORMS AND CIRCUIT VOLTAGE 5 1 Waveforms 5 1 5 2 Circuit Voltage Chart 5 3 6 IC PIN FUNCTION DESCRIPTION 6 1 MPEG DSP RF PIN Functiom Main Board U6 MT13...

Страница 4: ...cedure in the numerical order given 1 2 BOTTOM BLOCK 2 2 BOTTOM BLOCK Page 2 1 2 2 MAIN BOARD Page 2 2 2 4 MONITOR SUB ASSY Page 2 2 2 5 LCD Page 2 3 SET 1 foot rubber 1 foot rubber 2 three screws TS2 8 5 2 four screws TS2 8 5 2 four screws TS2 8 5 4 four screws TS2 5 11 2 screw TS2 8 5 1 foot rubber 3 open preve sheet 6 bottom block 5 LCD harness 1 foot rubber 2 screw TS2 8 5 ...

Страница 5: ... three screws TS2 4 5 7 main board 5 travers unit 4 flexible board 1 tape 2 connector 3 FFC 4 two screws TS1 7 7 6 housing cover assy 9 monitor sub assy 5 four screws TS1 7 7 7 four screws TS2 5 6 5 8 two connectors 3 two panel rubbers DOW 2 two panel rubbers ARC 1 two panel rubbers UPP ...

Страница 6: ...RDS LOCATION 4 six screws TS1 7 5 0 two screws TS1 7 5 qs two screws TS1 7 5 6 screw TS1 7 5 8 screw TS1 7 5 7 panel brac L R 9 panel brac L L qd panel brac L qa panel brac L 5 LCD board 1 LCD flexible board qf LCD 2 LCD connector 3 10 pin FFC MAIN board LCD board KEY board ...

Страница 7: ...RF Amp Signal MT1389LP EEPROM 24C16 4558 Audio Out In Audio AMP Head Phone SPEAKER Motor Driver Traverse SPINDLE MOTOR SLEDGE MOTOR OPU MST7915MC Servo Signal Servo Driver Signal Audio R Audio L APA2068 TV Set R G Signal B Servo DSP MPEG IC L CH R CH OPA REMOTE CONTROL IR BackLight Vcc AME1117 BA5954 BA6849 KEYPAD I2C Bus Y C Line Out CVBS Line IN I2C Bus MAIN BOARD LCD BOARD KEY BOARD USB Unit I2...

Страница 8: ...3 1 DVP FX921 FX921K FX930 FX930CC FX930WM FX935 3 1 FRAME SCHEMATIC DIAGRAM 1 2 J2 SECTION 3 SCHEMATIC DIAGRAMS ...

Страница 9: ...3 2 DVP FX921 FX921K FX930 FX930CC FX930WM FX935 3 2 FRAME SCHEMATIC DIAGRAM 2 2 ...

Страница 10: ... 2N3906 1 2 3 C31 0 1uF C31 0 1uF R16 25 5K 1 R16 25 5K 1 R4 100K R4 100K C6 1000pF C6 1000pF R1 10K R1 10K R238 0R R238 0R R209 51K R209 51K U2 MP1412 U2 MP1412 NC 1 BS 2 NC 3 IN 4 SW 5 GND 6 FB 7 Comp 8 EN 9 SS 10 R221 1K R221 1K AVCC AVCC R34 4 7K R34 4 7K FB3 100R 3A FB3 100R 3A R10 750R 1 R10 750R 1 D24 BAT54C SOT23 D24 BAT54C SOT23 1 2 3 Q46 2N3906 Q46 2N3906 1 2 3 FB5 100R 3A FB5 100R 3A C4...

Страница 11: ... C52 10uF 6 3V C52 10uF 6 3V TOP HA3 HEADER 13 SMD1 0 TOP HA3 HEADER 13 SMD1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 C77 10uF 16V B B LIMIT LIMIT C98 330pF C98 330pF TP18 TP18 R80 0R R80 0R R111 20k R111 20k C93 0 1uF NC C93 0 1uF NC C105 0 1uF C105 0 1uF R72 100K R72 100K MT1389L LQFP 128 V1 0 Portable U6 MT1389L SMD QFP128 MT1389L LQFP 128 V1 0 Portable U6 MT1389L SMD QFP128 RFE 5 RFF 6 AVDD18 7 AVDD33 ...

Страница 12: ... 0X5 3 EC16 47uF 10V 5 0X5 3 R216 10K R216 10K R124 33R R124 33R C133 0 1uF C133 0 1uF C145 100pF C145 100pF C223 680pF C223 680pF RN2 33R 0402 RN2 33R 0402 1 2 3 4 5 6 7 8 R127 10K R127 10K R128 NC R128 NC R215 10K R215 10K F_CE F_CE C138 1000pF C138 1000pF C149 100pF C149 100pF RN8 33R RN8 33R 1 2 3 4 5 6 7 8 RN3 33R 0402 RN3 33R 0402 1 2 3 4 5 6 7 8 C140 1000pF C140 1000pF C150 1000pF C150 1000...

Страница 13: ...CVBS CVBS L9 1 8uH 50mA L9 1 8uH 50mA R246 10K NC R246 10K NC SP4 SP4 R240 0 33R R240 0 33R R142 0R R142 0R J4 VIDEO JACK J4 VIDEO JACK 1 2 IR_IN IR_IN FB22 600R 2A FB22 600R 2A R239 200R R239 200R FB20 600R 400mA FB20 600R 400mA FB26 100R 400mA FB26 100R 400mA C165 47pF C165 47pF R134 75R 1 R134 75R 1 FB21 600R 400mA FB21 600R 400mA SP1 SP1 R146 0R R146 0R R140 0R NC R140 0R NC C166 330pF C166 33...

Страница 14: ... PESD5V0S1BB 1 1 2 2 C203 22pF C203 22pF Q34 2N3906 Q34 2N3906 1 2 3 D27 BAT54A SOT23 D27 BAT54A SOT23 2 1 3 Q31 2N3904 Q31 2N3904 1 2 3 C177 470pF C177 470pF R187 20K R187 20K R189 7K5 1 R189 7K5 1 D26 BAT54C SOT23 D26 BAT54C SOT23 1 2 3 C195 1uF C195 1uF D16 1N4148 D16 1N4148 2 1 D20 PESD5V0S1BB D20 PESD5V0S1BB 1 1 2 2 C215 1000pF C215 1000pF R178 39R R178 39R R198 22K 1 R198 22K 1 R201 1K R201 ...

Страница 15: ... R31 10K R31 10K C62 10uF 6 3V C62 R15 0R R5 NC R5 NC C78 4 7uF 10V C78 4 7uF 10V R35 68R R35 68R R23 39R R23 39R C47 0 1uF C47 0 1uF R24 4 7K 1 R24 4 7K 1 R41 0R R41 0R R60 0R NC R60 0R NC C 0 1uF C33 C53 0 1uF 0 1uF C53 C2 1000pF C2 1000pF TFT_5V TFT_5V IRQ IRQ D3V3 D3V3 KEY1 KEY1 C83 0 1uF NC R55 1M NC R55 1M NC IR1 IR_D3P1 IR1 IR_D3P1 1 2 3 RP2 33R RP2 33R 1 3 5 7 8 6 4 2 10uF 6 3V NC C69 C76 ...

Страница 16: ...5 NC C18 3 3pf C18 3 3pf CN2 CN2 AO 1 AO 2 C12 2 4pf NC C12 2 4pf NC C22 3 3pf C22 3 3pf R6 0R 0805 NC R6 0R 0805 NC TP7 TP7 CN1 CN1 BO 1 BO 2 TP4 TP4 C13 2 2pf C13 2 2pf U1 ATA2508 40N U1 ATA2508 40N DI O_1 1 DI O_0 2 SD A 3 SC L 4 TI N T 5 GI NT 6 BEEP 7 TC LK 8 DIO_9 11 DIO_8 12 DIO_7 13 DIO_6 14 CONFIG_0 16 CONFIG_1 15 AREF 17 S11 18 S6 23 VSS 24 V2 5 25 VL D O 26 VPH 27 S5 28 S4 29 S3 30 S0 3...

Страница 17: ...few cases that the part isn t mounted in this model is printed on this diagram Uses unleaded solder 4 1 MAIN BOARD SIDE A See page 1 6 for circuit boards location SECTION 4 PRINTED WIRING BOARDS A 1 2 3 4 5 6 7 8 B C D E F MAIN BOARD SIDE A SW3 DISC COVER SWITCH ...

Страница 18: ...930CC FX930WM FX935 Uses unleaded solder 4 2 MAIN BOARD SIDE B See page 1 6 for circuit boards location POWER CHARGE DC IN 9 5V POWER ON OFF r HOLD VIDEO IN OUT AUDIO IN OUT PHONES B A A 1 2 3 4 5 6 7 8 B C D E F MAIN BOARD SIDE B ...

Страница 19: ...e a few cases that the part isn t mounted in this model is printed on this diagram Uses unleaded solder 4 3 LCD BOARD See page 1 6 for circuit boards location A 1 2 3 4 5 6 7 8 LCD BOARD SIDE A A 1 2 3 4 5 6 7 8 LCD BOARD SIDE B DOWN LEFT UP RIGHT ENTER INPUT ...

Страница 20: ... few cases that the part isn t mounted in this model is printed on this diagram Uses unleaded solder 4 4 KEY BOARD See page 1 6 for circuit boards location A 1 2 3 4 5 6 7 8 KEY BOARD SIDE A A 1 2 3 4 5 6 7 8 KEY BOARD SIDE B OPTIONS RETURN MENU DISPLAY VOL x X N ...

Страница 21: ...AND CIRCUIT VOLTAGE 1 Spindle control waveform No disc condition DMSO ECR U8 PIN21 U U8 PIN7 V U8 PIN4 W U8 PIN2 Fig 5 1 TRO U6 PIN24 TRSO R95 2 Tracking control relate signal system checking cd Fig 5 2 Fig 5 3 TRO U6 PIN24 TRSO R95 3 Tracking control relate signal system checking dvd ...

Страница 22: ... FX930 FX930CC FX930WM FX935 Fig 5 5 Fig 5 7 Fig 5 4 Fig 5 6 AUDIO OUT J6 PIN2 4 Audio output from IC L R DIN U11 PIN6 5 Video output waveform CVBS Y FB218 C FB16 6 Video output waveform Y C DVDRFIP U6 PIN12 7 RF waveform ...

Страница 23: ... 418 45 1 294 1 268 77 3 215 3 21 109 0 749 0 747 14 0 587 0 587 46 0 88 0 925 78 3 16 1 78 110 0 0 15 0 0 47 0 843 0 842 79 0 0 111 0 219 0 219 16 0 0 48 0 906 0 98 80 0 915 1 436 112 3 144 3 143 17 3 29 2 231 49 1 167 1 18 81 0 021 0 043 113 0 0 18 3 289 3 261 50 3 266 3 266 82 0 151 0 336 114 3 269 3 267 19 3 265 3 266 51 0 756 0 818 83 1 09 2 36 115 3 269 3 267 20 1 415 1 528 52 0 582 0 645 84...

Страница 24: ...5 12 5 263 3 212 12 1 826 1 826 12 0 0 13 0 771 1 087 40 0 0 13 3 759 2 725 13 5 263 3 185 13 1 86 1 869 13 2 697 2 875 14 3 229 3 229 41 0 0 14 2 725 0 732 14 5 263 3 186 14 1 863 1 855 14 2 627 2 627 15 2 534 1 979 42 1 225 1 212 15 0 624 2 608 15 5 263 1 131 15 0 0 15 5 261 5 261 16 3 167 3 045 43 3 265 3 265 16 3 731 2 36 16 0 0 16 5 262 5 261 16 2 624 2 624 17 2 982 2 74 44 0 801 0 836 17 0 0...

Страница 25: ...r 20 DMO O Disk motor control output PWM output 21 FMO O Feed motor control PWM output 22 TRAY_OPEN O Tray PWM output Tray open output 23 TRAY_CLOSE O Tray PWM output Tray close output 24 TRO O Tracking servo output PDM output of tracking servo compensator 25 FOO O Focus servo output PDM output of focus servo compensator 26 FG GPIO2 I Motor hall sensor input 27 USB_DP I USB port DPLUS analog pin 2...

Страница 26: ...SS18 1 8V ground pin for internal digital circuitry 80 BA1 I O PD DRAM bank address 1 81 RA10 I O PD DRAM address 10 82 RA0 I O PD DRAM address 0 83 RA1 I O PD DRAM address 1 84 DVDD33 3 3V power pin for internal digital circuitry 85 RA2 I O PD DRAM address 2 86 RA3 I O PD DRAM address 3 87 GPIO7 CKE I O Microcontroller port 1 4 Internal pull Up 88 VSTD GPIO8 I O Microcontroller port 1 5 Internal ...

Страница 27: ...ircuitry 114 AADVDD Reserved 115 APLLVDD Reserved 116 APLLCAP O GPIO 117 ADACVSS Audio DAC reference voltage 118 AR GPIO0 O Audio DAC right channel output 119 AVCM O Reserved 120 AL GPIO1 O Audio DAC left channel output 121 ADACVDD1 3 3V power pin for audio DAC circuitry 122 ADACVDD2 3 3V power pin for audio DAC circuitry 123 AVDD18 Analog 1 8V power 124 AGND18 Analog ground 125 RFIP I AC coupled ...

Страница 28: ... whether video output level satisfy the NTSC standard If it is not correct the brightness will be too large or small Mode Play Signal Check the color bar 100 signal on DVD reference disc Measurement Point LINE OUT VIDEO connector 75 Ω terminated Measuring Instrument Oscilloscope Specification 1 00 0 02 Vp p Checking method 1 Confirm that the video output level is 1 00 0 02 Vp p 1 00 0 02 Vp p Fig ...

Страница 29: ...LCD power Replace U3 Is U1 OK Replace U1 Replace D2 Replace adaptor Is battery OK Replace Q2 Is Q2 OK Replace battery AUDIO OUT ABNORMAL SPEAKER ABNORMAL Is J7 J8 OK Replace J7 J8 Replace U14 Replace U6 Replace speaker Is U14 OK Is speaker OK Check audio jack mode Check U16 Check U15 Check signals from U6 MT1389LP YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES ...

Страница 30: ...k the connection of part Check traverse PICTURE ABNORMAL DISC ERROR Check video jack J4 mode Check the disc Check disc Check the traverse Check traverse Check the U9 SDRAM Refer to servo part Refer to servo part Check U11 filter Check video signals from U6 MT1389LP YES YES YES D Video out abnormal G Open close abnormal H Charging circuit E Picture abnormal F Disc error NO NO NO NO Refer to servo p...

Страница 31: ...ror signal normal Check CD DVD DSP output signal Check MPEG decoder input signal Is clock normal Check clock signal Check clock signal Does the audio signal output from MPEG decoder Does the audio sound output normally 2 MPEG Circuit NO NO NO YES YES YES YES YES OK OK U6 MT1389LP U6 MT1389LP OK YES NO YES NO NO NO YES NO NO Check CD DVD DSP output signal Check MPEG decoder input signal Check CD DV...

Страница 32: ...s work normally Does remote control work normally Check DV33 Does U6 MT1389LP OK Does IR1 work by testing waveform normally Check remote control Check U1 U6 MT1389LP Replace remote control Replace IR1 Replace U1 Is DV33 OK Check power 3 Front Circuit YES YES YES NO YES YES NO YES NO NO NO NO NO NO YES ...

Страница 33: ...cuit on motor driver Proper TRSO signal on U6 MT1389LP TR TR out properly Check cable connection on pick up head Check the cable connection on pick up head Check the related circuit on U6 MT1389LP RFO signal Check connection between U6 MT1389LP and pick up head Check the RF connection between HA1 U6 MT1389LP Proper DMSO signal on U6 MT1389LP Check the cable connection between spindle and main PCBA...

Страница 34: ...CL signal R G B signal output TFT LCD normal Check CN3 Check M1 Check BD2 Check BD1 Replace Y1 Check R41 R45 C67 R47 R48 C68 Replace M1 U4 Replace U2 Replace U1 Check R16 R23 R17 R21 Check RP1 RP6 Replace YES NO YES YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO Appear shadow from interference in black background There is only bright LCD B D abnormal 8 2 LCD TROUBLE SH...

Страница 35: ...e original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not supplied Accessories and packing materials are given in the last of the el...

Страница 36: ...1705 885 A DISC LID ASSY A 1705 885 A BLACK FX921 FX921K 57 A 1705 886 A DISC LID ASSY A 1705 886 A BLACK FX935 57 A 1727 422 A DISC LID ASSY A 1727 422 A BLACK FX930 AEP UK RUS 58 9 885 129 16 DISC LID SPRING 024 0001 1256 59 9 885 129 15 HINGE ASSY 020 0001 956 60 9 885 129 37 HINGE COVER 013 0001 9831 61 9 885 108 32 SHEET OPEN PREVE 086 0001 041 62 9 885 119 37 LASER CAUSION LB 086 0003 5297 U...

Страница 37: ...HEADREST BRACKET 030 0001 765 AEP UK RUS 4 126 487 11 MANUAL INST 085 0001 4396 ENGLISH SPANISH FX930 US FX930CC FX930WM 4 126 487 21 MANUAL INST 085 0003 4396 ENGLISH FRENCH FX935 4 126 487 31 MANUAL INST 085 0002 4396 ENGLISH SPANISH FX921 FX921K 4 126 488 11 MANUAL INST 085 0004 4396 ENGLISH FX930 UK 4 126 488 21 MANUAL INST 085 0005 4396 ENGLISH FRENCH GERMAN SPANISH ITALIAN DUTCH FX930 AEP 4 ...

Страница 38: ...5 872 A MAIN BOARD COMPLETE 02 01049302 00 CND A 1727 419 A MAIN BOARD COMPLETE 02 01049303 00 AEP UK A 1734 838 A MAIN BOARD COMPLETE 02 01049304 00 RUS A 1734 839 A MAIN BOARD COMPLETE 02 01049306 00 SP A 1734 840 A MAIN BOARD COMPLETE 02 01049307 00 EA JACK J1 9 885 131 20 DC IN JACK 2N 0003000 M000 DC IN 9 5V J4 9 885 131 19 VIDEO JACK 2N 0002001 FYG0 VIDEO IN OUT J5 9 885 115 48 USB JACK 2N 0...

Страница 39: ...1K FX930 FX930CC FX930WM FX935 REVISION HISTORY Ver Date Description of Revision 1 0 2008 12 New 1 1 2009 03 Addition of DVP FX921 FX921K FX935 1 2 2009 05 Addition of AEP UK Singapore Saudi Arabia and Russian models ...

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