Philips-DVP-5986-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 trace 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 “AVCC” (+5V) voltage is normal. Correct connection Check the AVCC power supply Check/Replace Q15 Q14. Check/ Replace U5. Have no focus 1. Check U5 42pin FOO signals 2.If there are F+, F-, T+ and T- signals output from U6. Check/Replace the loader Yes Yes No Go Check whether laser voltage (2V for VCD & 2.2V for DVD) on Collector of Q15 and Q14 Check the FFC connection between 24P and the loader. 1.Whether voltage on pin 112 of U5 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 on the switch board is broken. Correct the connection Replace U5. No No Yes Yes Check if the CON301 on the front board to CN1 on the decoder board is in good contact. Whether there is 0V and 3.3V voltage difference on Pin 201 PCON of U5. Trouble shooting chart