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1、. 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、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 tray will automatically open when files coping complete, then take ou
3、t the disc. 5) About 1 minute later, the trace will automatically close when upgrading complete. C. Read out the software versions to confirm upgrading 1) Power on the set and press button on the remote control. 2) Press button. The software version and other information are display on the TV screen
4、 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 XX 3-1 Caution: The set must not be power off during upgrading, Otherwise the Mai
5、n board will be damaged entirely. 4-1 Spindle motor does not move I Yes Yes No No No No Yes Check whether “AVCC” (+5V) voltage is normal. Correct connection Check the AVCC power supply Check/Replace Q6 Q5. Check/ Replace Q3,Q4 Have no to focus 1. Check U2 6pin RFO signals 2.If there are F+, F-, T+ a
6、nd T- signals output from U3. Check/Replace the loader Yes Yes No Go Check whether laser voltage (2V for VCD & 2.2V for DVD) on Collector of Q5 and Q6 Check the FFC connection between 24P and the loader. 1.Whether voltage on pin 112 of U2varies 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
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