Philips-DVP-3110-K-Service-Manual电路原理图.pdf

. Technical Specifications.1-2 . Safety Instruction, Warning 50/60HZ Power consumption to check the File Name. Note: It is required capital letter for the File System name 2) Burn the data onto a blank CDR A. Procedure for software upgrade: 1) Power on the set and insert the prepared Upgrade CDR. 2) The set will starts reading disc & response with the following display TV screen: Upgrade File DETECTED Upgrade? Press Play TO START. 3) Press button to confirm, then screen will display : Files coping UPGRADING 4) The upgraded disc will automatically out when files coping complete, then take out the disc. 5) About 1 minute later, the tray will automatically close when upgrading complete. B. Read out the software versions to confirm upgrading 1) Power on the set and press button on the remote control. 2) Pressbutton to check the software information. The software version and other information are display on the TV screen as follows: Version XX.XX.XX.XX (Main version) SUB-VER XX.XX.XX.XX (software version of application software) 8032 XX.XX.XX.XX Servo XX.XX.XX.XX (software version of Servo) RISC XX.XX.XX.XX DSP XX.XX.XX.XX Region Code X 3-1 Caution: The set must not be power off during upgrading, Otherwise the Main board will be damaged entirely. 4-1 Spindle motor does not move Yes Yes No No No No Yes Check whether “RFA5V” (+5V) voltage is normal. Correct connection Check the RFA5V power supply Check/Replace Q7 Q8. Check/ Replace U1. Have no to focus 1. Check U1 42pin FOO signals 2. If there are F+, F-, T+ and T- signals output from U2. Check/Replace the loader Yes Yes No Go Check whether laser voltage (2V for VCD & 2.2V for DVD) on Collector of Q7 and Q8 Check the FFC connection between 24P and the loader. 1. Whether voltage on pin 44 of U1 varies between 0 and 3.3V (3.3V for VCD and 0V for DVD), 2. Whether peripheral components are eroded or badly soldered. Trouble shooting chart Motor no move 4-2 The power can not be on or off Go Ye s Yes No No The power cant be on or off Yes Repair the power board Check the power supply on the power board is normal. Check/Correct connection Whether the connection to K301 is broken. Correct the connection Replace U1. No No Yes Yes Check if the CON301 on the front board to CN5 on the decoder board is in good Whether there is 0V and 3.3V voltage difference on Pin 100 PCON of U1. Trouble shooting chart 4-3 All output voltages on the power board is 0V or deviated.No No No Yes No U1(PIN 8 - Drain waveform) Replace F1 Replace C4 if D1, D2, D3, D4 are normal. Check/ replace U1. Check whether U2 are eroded. All output voltages on the power board is 0V or deviated Check whether there is 300V on C4. Check whether 100KHz oscillating signal on Pin6 of U1 Check if +5V, +12V, -12V are short. Check whether the components in the short-circuit voltage are defected or eroded. Yes Yes Yes Yes U1(PIN 3 - RC waveform) Check whether F1 is blown Trouble shooting chart