Philips-DVP-3336-Service-Manual电路原理图.pdf

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1、DVD PLAYER DVP3336/94 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 Prefere

2、nces 4. Select Version Info 5. Press “OK” key1-32.0 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 original one

3、s. 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/cables cor

4、rectly, 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 the mains sw

5、itch 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 customer/user (re

6、f. 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 unit Type :Se

7、miconductor 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 exposure to bea

8、m.2-13.0 INSTRUCTION FOR USE You can download this information from the following websites: http:/ http:/ 3-14.0 MECHANICAL AND DISMANTLING INSTRUCTIONS The following guidelines show how to dismantle the player. Step1: Remove 5 screws around the Top Cover, and then remove the Top Cover(Figure1) Figu

9、re 1 Step2:If the tray cant open in normal way, you can make it through the instruction as below (Figure2) Figure 2 Step2: If it is necessary to dismantle Loader or Front Panel, the Front door should be removed first(Figure3) 4-1Figure3 Step4: Remove the 10 screws on board to dismantle the DVD BOARD

10、 & POWER BOARD & LED BOARD (Figure 4&5) Figure4 4-24.0 MECHANICAL AND DISMANTLING INSTRUCTIONS 插IC1位置:DVP3336用SD4842P. DVP3320/3326用插IC3位置:CYT431 插IC1位置:DVP3336用SD4842P. DVP3336和DVP3320/3326共用此IC用SD4841P. DVP3336和DVP3320/3326共用此 PCB板插IC1位置:DVP3320/3326用SD4841P. 用此 板Spindle motor does not move Yes Ye

11、s NoNoNoNoYes Check whether “MO_VCC” (VCC) voltage is normal.Correct connectionCheck the MOVCC power supplyCheck/Replace Q10Q11.Check/ Replace U1.Check opu focus1. Check U2 25pin FOO signals 2.If there are F+, F-, T+ and T- signals output from U1.Check/Replace the loaderYes Yes NoGoCheck whether laser voltage (1.9V for CD & 2.3V for DVD) on L21 & L22Check the FFC connection between 24P and the loader.1. Whether voltage on pin 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