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DVP3320
DVP3320/55
Service Manual
TABLE OF CONTENTS
Page
. Technical Specifications…………....………………………..............1-2
. Safety Instruction, Warning & Notes….……………………....….....1-3
. DFU Instruction..............................................................................2-1
. Mechanical and Dismantling Instructions…………........................3-1
. Software Version & Upgrades, Region Code Change..……..........4-1
. Trouble Shoot
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1-2 Audio performance Specification • DA converter:24bits, 192kHz • Frequency response: • DVD:4Hz-22kHz (48kHz);4Hz -44kHz (96kHz) Note • SVCD:4Hz-20kHz (44.1kHz);4 Hz-22kHz (48kHz) • without notice. • CD/VCD:4Hz-20kHz (44.1kHz) • Signal-Noise(1kHz):>90dB(A- Accessories supplied weighted) • Remote control and batteries • Dynamic range(1kHz):>80dB(A- • Audio/video cables weighted) • Power cable • Crosstalk(1kHz):>90dB • Distortion/noise(1kHz):>65dB Playback media
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1-3 Safety instruction, Warning & Notes Safety instruction 1. General safety 2.Laser safety Safety regulations require that during a repair: This unit employs a laser. Only qualified service personnel . Connect the unit to the mains via an isolation transformer. may remove the cover, or attempt to service this device . Replace safety components indicated by the symbol , (due to possible eye injury). only by components identical to the original ones. Any Laser device unit other compo
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1-4 Warning 1.General 2. Laser . All ICs and many other semiconductors are susceptible to . The use of optical instruments with this product, will electrostatic discharges (ESD). Careless handing during increase eye hazard. repair can reduce life drastically. Make sure that, during . Only qualified service personnel may remove the cover repair, you are at the same potential as the mass of the or attempt to service this device, due to possible eye set by a wristband with resistance. Keep co
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1-5 Notes Lead-Free requirement for service Use only original spare-parts listed in the INDENTIFICATION: Regardless of special logo (not always indicated) Service-Manuals. Not listed standard-material (commodities) has to be purchased at external One must treat all sets from 1.1.2005 onwards, according companies. next rules. Special information for BGA-ICs: Important note: In fact also products a little older can also - always use the 12nc-recognizable soldering be treated
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2-1 • Opensorclosesthedisc Product overview compartment. c DISC MENU Main unit • Accesses or exits the disc menu. • Switches to disc mode. • ForVCD andSVCD,turnsPBC (playbackcontrol)onoroffin PBC mode. d (Navigation buttons) • Navigates through the menus. 66 • Searches fast-forward(right)orfast- backward (left). Press repeatedly to change the search speed. a (Standby-On) • Searches slow-forward (up) or slow- • TurnsontheDVDplayerorswitches backward (down). Press repeatedly to standby mode. to ch
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2-2 • Marks the section for repeat play, or turnsoffrepeatmode. m AUDIO • Selects an audio language or channel onadisc. n (Stop) • Stops disc play. o (Play/Pause) • Starts, pauses or resumes disc play. p INFO • For discs, displays information about the current status or the disc. • For slideshows, displays a thumbnail q OK • r SETUP • Accesses or exits the setup menu.
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3-1 Mechanical and Dismantling Instructions Dismantling Instruction Detailed information please refer to the model set. The following guidelines show how to dismantle the player. Step1: Remove 5 screws around the Top Cover, and then remove the Top Cover (Figure 1). Figure 1 Step2: If it is necessary to dismantle Loader or Front Panel, the Front door should be removed first. (Figure 2) Note: Make sure to operate gently otherwise the
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3-2 Mechanical and Dismantling Instructions Detailed information please refer to the model set. Dismantling Instruction Step3: If the tray can’t open in normal way, you can make it through the instruction as below (Figure 3). Note: Make sure to operate gently otherwise the guider would be damaged. Figure 3 Step4: Dismantling Front Panel, disconnect the connectors (XP1), need r
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3-3 Mechanical and Dismantling Instructions Dismantling Instruction Detailed information please refer to the model set. Figure 5 Step5: Dismantling Loader, disconnect the 3 connectors (XP7, XP8, XP9 ) aiming in the below figure, and remove 1 screw that connects the loader and the bottom cabinet. (Figure 5 & 6) Figure 6
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3-4 Mechanical and Dismantling Instructions Dismantling Instruction Detailed information please refer to the model set. Step6: Dismantling Main Board, first disconnect the connector (XP2), and then remove 4 screws. (Figure 7) Step7: Remove the 4 screws on Power Board to dismantle the Power Board. (Figure 7) Figure 7
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4-1 Software upgrade How to upgrade the software B. Read out the Firmware version to confirm the 1) Burn the data onto a blank CD-R or RW disc. upgrading 1) Power on the set and Open the tray door. 2) Press <9><6><6>button to check the software information. A. Procedure for software upgrade: 1) Power on the set and insert the prepared Upgrade The software version and other information are CDR. display on the TV screen as follows: 2) The set will starts reading disc & response with BE Ve
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Trouble shooting chart 5-1 Spindle motor does not move Motor no move Go Check the FFC connection No Correct connection between 24P and the loader. Yes Check whether “RFA5V” No Check the RFA5V power (+5V) voltage is normal. supply Yes Check whether laser voltage No Check/Replace Q4 Q5. (2.3V for DVD & 1.9V for CD) on Collector of Q4 and Q5 Yes 1.Whether voltage on pin 97 of U2 varies between 0 and 3.3V (3.3V for No Check/ Replace U2. CD and 0V for DVD), 2.Whether peripheral componen
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5-2 Trouble shooting chart The power can not be on or off The power can’t be on or off Go Check the power supply No Repair the power board on the power board is normal. Yes Check if the CON2 on the Check/Correct No power board to XP2 on the Yes connection decoder board is in good contact. Yes Check if the xp1 on the No Correct the connection decoderboard to XS301 on the frontboard is in good contact Yes
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5-3 Trouble shooting chart All output voltages on the power board is 0V or deviated. All output voltages on the power board is 0V or deviated Yes Yes Check whether Replace F1 F1 is blown No Replace C1&C2 if D1, D2, D3, D4 are Check whether there is No normal. 300V on C1 or C2. Yes Check whether 100KHz No Check/ replace U1. oscillating signal on Pin6 of U1 U1(PIN 3 - RC waveform) U1(PIN 8 - Drain waveform) Yes Check if +5V, +12V are No Check whether U1 are eroded. short.
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Trouble shooting chart 5-4 Disc cannot be read. Disc cannot be read. Yes No Check the FFC connection Check the loaded circuit between 24P and the loader. Yes 1.Check voltage on pin 97 of U2 varies between 0 and 3.3V: Check whether there is laser No 3.3V for CD voltage (2.3V for DVD and 1.9V 0V for DVD for CD) on Collector of Q4 &Q5 2.Check whether peripheral components are eroded or defect Yes Check U2, U4, and No Re-solder or replace the defective parts peripheral componen
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Trouble shooting chart 5-5 Only DVD disc or only disc except DVD can be played Only DVD disc, or only disc except DVD can be Played. Go Check the FFC No Check the loaded circuit connection between 24pin and the loader. Yes Check laser voltage (2.3V) output Check the solder status on U2 and No on Collector of Q4 if pin87 of U2 is peripheral components at low level. Yes No Check whether there check if bad solder exist on U2 and is voltage variance on peripheral components pin 88 of
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5-6 Trouble shooting chart No display on LED, and buttons do not work No display on LED, and buttons do not work Yes Check whether there is No correct contact between Correct connection XS301 and XP1 Yes Check VCC(+5v) voltage No Fix power supply board top on the power and front a power supply for should board electric circuit Yes Check there are CS, DATA No Check the U2’s pin 48,95,96 arrive and CLK signals on XS301 the XP1 connect condition on the front board. XP1 (PIN 1 CLK
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Trouble shooting chart 5-7 Distorted audio and loud noise Distorted audio and loud noise Yes Check whether the output of Check the power supply voltages No the power board is normal.If +12VA abnormal ,change the power board Yes Check whether R73 No Replace R77 and R73 and R77 are normal Yes Check whether the No Replace Q8,Q10 ,Q12 muting transistor Q8,Q10.Q12 are normal Yes Checking the U5 leads the No feet has no to break to open Yes No Check whether the U7 or C
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Trouble shooting chart 5-8 Abnormal color of video picture Abnormal color of video picture Yes No Check whether the Check Y2, R28, C31 and C33 27MHz output signal Yes No Check whether the 3.3V Check other of power supply electric and 1.8V power supply circuit voltages on the decoder board are normal. Yes Check whether the No video filter network Correct the connection circuit is normal. Yes Check if the video signals on Pin No change U2 58,60,61,63 of U1 are normal.
