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GB 2 DVD703 /XX1 Technical specifications 1. Technical specifications Specifications PLAYBACK SYSTEM CONNECTIONS DVD-Video Y Output Cinch (green) Video CD & SVCD Output Cinch (blue) CD (CD-Recordable and CD-Rewritable) Output Cinch (red) DVD+RW S-Video Output Mini DIN, 4 pins Video Output Cinch (yellow) OPTICAL READOUT SYSTEM Audio L+R output...
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Warnings and Laser safety instructions DVD703 /XX1 GB 3 2. Warnings and Laser safety instructions WARNING WAARSCHUWING All ICs and many other semi-conductors are Alle IC’s en vele andere halfgeleiders zijn susceptible to electrostatic discharges (ESD). gevoelig voor elektrostatische ontladingen Careless handling during repair can reduce (ESD).
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GB 4 DVD703 /XX1 Warnings and Laser safety instructions LASER SAFETY This unit employs a laser. Only a qualified service person should remove the cover or attempt to service this device, due to possible eye injury. LASER DEVICE UNIT Type: Semiconductor laser GaAlAs Wave length: 650 nm (DVD)
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Warnings and Laser safety instructions DVD703 /XX1 GB 5 Notes 2.1.1 DVD-Module For repair of the DVD-module ASD1, the service manual 3122 785 10840 has to be used. 2.1.2 Compair For assistance with the repair process of the monoboard an electronic Fault finding guidance has been developed , this program is called COMPAIR.
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GB 6 DVD703 /XX1 Directions for use 3. Directions for use...
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Mechanical instructions DVD703 /XX1 GB 19 Service position See figure 4-1 for the service position Remove the cables from the cable tie housing. Remove 4 screws that mount the DVD module to the bottom frame. Move the DVD module backward slightly and flip the module over, so that the component side of the board faces upwards, and the module is in the service position.
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GB 20 DVD703 /XX1 Diagnostic software descriptions and troubleshooting 5. Diagnostic software descriptions and troubleshooting Dealerscript 5.1.2 Contents of Dealer Script The dealer script executes all diagnostic nuclei that do not 5.1.1 Purpose of Dealer Script need any user interaction and are meaningful on a standalone DVD player.
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 21 PLAYER SCRIPT 5.2.4 Survey 5.2.1 Purpose of Player Script Press 2 keys simultaneously <OPEN/CLOSE> + <STOP> The Player script will give the opportunity to perform a test Connect to mains that will determine which of the DVD player's modules are faulty, to read the error log and error bits and to perform an endurance loop test.
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GB 22 DVD703 /XX1 Diagnostic software descriptions and troubleshooting DISPLAY PCB key id. 5.3.1 DISPLAY TEST PLAY NEXT The display test is performed by nucleus DispDisplay. By PREVIOUS putting a series of test patterns on the local display, the local PAUSE display is tested.
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 23 control test is successful if a code was received before the user pressed the NEXT key; pressing the NEXT key before pressing a key on the remote control gives an error in the remote control test (note that the remote control test will also fail if a key on the remote control was pressed but no code was received).
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GB 24 DVD703 /XX1 Diagnostic software descriptions and troubleshooting asking the user for confirmation. The display will show the The test can be left by pressing the NEXT key for more than following message: one second. 5.4.3 SOUND 2 TEST The second soundtest is performed by producing a sine sound (nucleus AudioSineOn).
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 25 of the disc motor (nucleus BeDiscMotorOff). If the user presses NEXT before pressing PLAY or PAUSE, the result of this test will be TRUE (disc motor is running). 5.5.5 FOCUS TEST(visual test) CL 96532065_020.eps 120799 The fourth Basic Engine test tests the focussing;...
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GB 26 DVD703 /XX1 Diagnostic software descriptions and troubleshooting 5.5.8 TRAY TEST As a last action for the Basic Engine tests, the tray test is repeated. The local display will look as follows: CL 96532065_030.eps 120799 Figure 5-34 CL 96532065_027.eps The left side of the display contains a 3-digit code, which can 120799 have a value between 000 and 111.
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 27 ERROR CODES LOOP TEST ERROR CODE NUCLEUS NUMBER ERROR DESCRIPTION 0601 Calculated checksum of FLASH is not correct 1101 I2C bus busy before start 1102 NVRAM access time-out 1103 No NVRAM Acknowledge 1104 NVRAM reply time-out 1201...
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GB 28 DVD703 /XX1 Diagnostic software descriptions and troubleshooting 5.6.1 Servicing DVD loader The DVD Loader / mechanism, VAL6011, has to be exchanged completely in case of failure. A new mechanism can be ordered with codenumber 9305 023 61101. 5.6.2 Reprogramming of new mono boards.
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 29 Test Instruction Audio/Video Board 5.7.3 Audio DAC and amplifier Ensure that the Audio mute signal is OFF These test instructions can be used for all versions of the A/ To check the DAC and buffer amplifier,send the following V board which has the following outputs: commands: •...
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General To check the functionality of the Kill circuitry,the audio outputs has to be present by the following command: • Oscilloscope measurements have been carried out using Command a Philips PM3392A. Ref.# Name Remarks Audio output • Impedance of measuring-equipment should be > 1MΩ.
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Check at pin 23 of the µP if this line switches from low (< ch1: low =-34.2 V ch1: high= 3.98 V 0.3V) to high (> 4.5V), while pressing a key on a Philips RC5 or RC6 remote control. 5.8.8 Karaoke interface The karaoke interface (4 lines) is a single direction communication.
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GB 32 DVD703 /XX1 Diagnostic software descriptions and troubleshooting Troubleshooting 5.9.1 Troubleshooting A/V board Testing of A/V board can be done using diagnostic software “PLAYER SCRIPT”. MONO board is used to generate a sound with the sound tests SND-1 and SND-2 or a VIDEO signal with the picture “DIAGNOSTIC SOFTWARE: SCRIPT INTERFACES”.
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GB 34 DVD703 /XX1 Diagnostic software descriptions and troubleshooting AUDIO PART OF AUDIO/VIDEO BOARD 3139 243 30161 START NO DIGITAL OUTPUT ON COAXIAL 1011 To activate the "Player Script ",press Open/Close and Stop keys on the local keyboard of the DVD player ACTIVATE simultaneously.
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 35 VIDEO PART OF AUDIO/VIDEO BOARD 3139 243 30161 START NO PICTURE CVBS , Y/C , YUV To activate the "Player Script ",press Open/Close and Stop keys on the local keyboard of the DVD player ACTIVATE simultaneously.
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GB 36 DVD703 /XX1 Diagnostic software descriptions and troubleshooting VIDEO WAVEFORM MEASUREMENT PM3392A PM3392A PM3380B 200mV~ MTB20.0us ch1+ 200mV~ MTB20.0us ch1+ TP 1 : VIDEO B TP 6 : Y_ENC TP 19 : V_VID OUT PM3392A PM3392A PM3380B 500mV~ MTB20.0us ch1+ 200mV~ MTB20.0us...
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Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 37 TROUBLESHOOTING POWER SUPPLY UNIT VFM WR START Power Supply Check DC voltages +12V, +5Vstdby, -8Vstdby, +5V,+3V3 Disconnect the power supply from the MAIN Board Connect dummy load resistors 10W ( min 5W ) : 10 ohm at +3V3, 15 ohm at +12V and ground Power Supply OK Check DC voltages...
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GB 38 DVD703 /XX1 Diagnostic software descriptions and troubleshooting Personal notes:...
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Alignments DVD703 /XX1 GB 51 8. Alignments No electrical alignments available 9. Circuit descriptions and list of abbreviations Current mode Power Supply 9.1.1 Introduction The switch mode power supply ( SMPS ) is mains isolated. The control IC 7145 ( UC 3842A ) produces pulses to drive the power switch, Mosfet 7125.
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GB 52 DVD703 /XX1 Circuit descriptions and list of abbreviations 9.1.4 Pin function description CL06532096_011.eps 060700 Figure 9-2 9.1.5 Pin connection • 3V3 ( For Monoboard, A/V board ) The 3V3 power supply is regulated by the control loop comprising of 7201, 7131 and 7145 of the switch mode PSU.
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Circuit descriptions and list of abbreviations DVD703 /XX1 GB 53 via D6133, R3135 which will takeover the supply voltage of it goes into the overvoltage protection and a complete restart T7145 at pin 7. sequence is required. 9.2.3 Secondary voltage sensing The secondary voltage regulating circuit comprise of the opto-coupler 7131 which isolate the error signal from the control IC7145 ,on the primary side, and a reference...
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GB 54 DVD703 /XX1 Circuit descriptions and list of abbreviations List of abbreviations Buffered Video input Blue from DVD monoboard BC_AUX Blue or Chroma input from AUX- scart BC_TV Blue or Chroma output to TV-scart C_ENC Buffered Chroma input from DVD monoboard CVBS Buffered Composite video input from...