Philips-DVDR-3425-H-Service-Manual电路原理图.pdf

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1、. Technical Specifications.1-2 . Mechanical and Dismantling Instructions.2-1 . Region Code, Software Version DVDR3435H: COAXIAL,OPTICAL - Analog audio Left / Right in - YpbPr Video OUT - YPbPr Video IN/OUT (Only for DVDR3435H) * Hint: This set can support progressive and interleaved output but do no

2、t support progressive input Front Connections - I.LINK DV in (4 1394 4-pin) - S-Video in - Video (CVBS) in - Analog audio left / right in - USB in Timer Recording Programmable events: 20 Repeat modes: Once, Daily, Weekly, Mon-Fri, Mon-Sat, Weekend Enhancement: Manual Timer Convenience Direct Record

3、to optical disc Child Protection: Parental Control Power Power Supply: 110240 V; 5060 Hz Power Consumption: 36 W Standby power consumption: button to confirm, then screen will display: Upgrading software, please wait. Do not switch off the power Please wait patiently, approximately two minutes later

4、 the upgrading will complete. 4) The upgraded disc will automatically out when the upgrading complete, and the TV will display: System is successfully upgraded, Remove disc from the tray and reset system. 5) According to the TV direction, take out the disc and press OK, the tray door will close, Res

5、et the system. C. Read out the software versions to confirm upgrading 1) Power up the set and press button on the remote control. 2) Press button. The software version and other information are display on the TV screen as follows: Build: XXXXXX-XXXXXXX-XX-XXX Date: XXXX XX XXXX Release Version: XXXX

6、X/93_Vxx Loader Version: VER XXXX Macrovision version: VXXX Region Num: XXX Developer: XXX XX XXXX D. Replace the new HDD After finish the replacing of new HDD (Unformatted HDD) in set and start the set first time, the set will search all hardwares which are the components of the set automatically a

7、nd if the set find the HDD unformatted, it will format it automatically then canwork normally. Region Code, Software Version& Upgrades Caution: The set must not be power off duringupgrading, in that case the decoder board will be damaged entirely. 3-1No display on VFD, and buttons do not work No No

8、No Yes Yes No display on VFD, andbuttons do not work Check every supplyvoltage on main board isnormal Refer to Power supply board part Check the U3s pin 2,4,8 arrive theU2s pin 6,8,9 connect condition Correct connection Replace U2 or VFD Yes Yes Yes No Check-24V+12V,VCC(+5v) voltage on thepower and front board Check the front boardsignals SCK,SDA, STB 1.Check whether bad solder existson U2 and pins of VFD, 2.Check whether the circuitconnected to K2, K3, K4, K5, K6,K8and K9 is broken. Fix the connection JP1 on front boardand CN1 on power board Trouble shooting chart4-1