Philips-LX-7100-SA-Service-Manual电路原理图.pdf

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1、GBCLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIOService ManualServiceServiceServiceLX7100SA/22TABLE OF CONTENTSPageLocation of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden.Sicherheitsbauteile sind durch das Symbol !markiert.ILe norme di sicurezza esigono che lapparecchio venga rimessone

2、lle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.Componenty di sicurezza sono marcati con !GBAfter servicing and before returning set to customer perform a leakagecurrent measurement test from all exposed metal parts to earth ground toassure no shock h

3、azard exist. The leakage current must not exceed0.5mA.1-7Caution:This information is confidential and may not be distributed. Only a qualified service person shoulddo the reprogramming.After replacement/repair, the customer settings and also the region code may be lost.Reprogramming will put the set

4、 back in the state in which it has left the factory, i.e. with the default settingsand the allowed region code.Reprogramming will be done by way of the Remote Control.Complete version matrix to be enter is PLAY 159 XXX XXX XX PLAY.Do the following steps with the Remote Control:1) Ensure no disc is l

5、oaded in the tray.2) Set the Remote Control to DISC source.3) Press followed by numerical keys Remark: Top left hand corner of the TV screen will display “X“ for all these 4 keys that you have pressed.4) Press now the following numerical keys (8 digits version matrix):Remark: Nothing will be display

6、ed on the TV screen for all these 8 digits that you have pressed. for LX7100SA/22 : 5) Press again.Caution: Wait for about 3 seconds for the set to reset to the required setting.The TV screen will turn blue follow by a loud sound at the speaker output.6) Disconnect mains to ensure proper reset.How t

7、o check the version matrix and the software version number of the set:1) Power up the set and select DISC source.2) Press on the Remote Control to enter the User Preference Manual (UPM),follow by pressing the following key:- key 4 times- key 1 time- key 4 times3) Message “(C)PHILIPS 01- 02 5580 W.WW

8、.WW . PXXXXXXXX Y.YY.Y“ will be displayedon the TV screen:W.WW.WW - indicate the BEA software version numberPXXXXXXXX - indicate the version matrix programmedY.YY.Y - indicate the FEA (servo) software version number4) Press on the Remote control to exit.Reprogramming of DVD version matrix1-81) Press

9、 on the Remote Control to enter the User Preference Manual (UPM).2) From the User Preference Manual on the TV screen, select TV SYSTEM to change the TV system defaultaccordingly as shown in the table below:Version Region TV system default/21R Region 3 AUTO/21S Region 4 NTSC/22 , /22S Region 2 PAL/30

10、S Region 4 AUTO/33S Region 3 AUTO/37S Region 1 NTSC3) Press on the Remote control to exit.Setting the TV system defaultDISMANTLING INSTRUCTIONSDismantling of the Tuner Board and Main Board and AVC BoardFigure 31) Loosen 6 screws A to remove the Cover Top (pos 260).- 2 screws each on the left & right

11、 side (see Figure 1)- 2 screws on the rear (see Figure 2)- See Service position A2-1 2-1Figure 4Figure 2Figure 13) Remove the Bracket PCB Mains (pos 259) by pressingthe catch C1 inward and slide it up in the direction asshown in Figure 3.Dismantling of the Tuner Board and Main Board and AVC Board5)

12、Remove 2 screws G (see Figure 4) to loosen the BracketAV PCB (pos 255).4) Remove 1 screw C (see Figure 2) and uncatch 2 catchesC2 (see Figure 4) to loosen the Main Board (pos 1104-B).- See Service position B6) Remove 6 screws E and 2 screws F (see Figure 2) toloosen the Plate Rear (pos 251) and AVC

13、Board (pos1102).- See Service position D2) Remove 3 screws B and uncatch 2 catches B1 (see Figure2) to loosen the Tuner Board (pos 1101).2-2 2-21) Use a Flat Head screw driver to give a push in thedirection as shown in Figure 9 to unlock the DVD Traybefore sliding it out.DISMANTLING INSTRUCTIONSDism

14、antling of the Supply Board and Power Amplifier Board2) Slide out the DVD Tray and remove the Cover Tray DVD(pos 105) as shown in Figure 10.3) Slide out the DVD Tray fully and remove 6 screws J (seeFigure 11) to loosen the DVD Module (pos 1109).- See Service position E1) Remove 7 screws D to loosen the Supply Board (pos1104-A) and Power Amplifier Board (pos 1103-1001).- 2 screws on the Plate Rear (see Figure 2)- 5 screws on the Plate Bottom (see Figure 5, 6, 7 & 8)- See Service position CFigure 6Figure 8Figure 7Figure 9Figure 10Figure 11Dismantling of the DVD ModuleFigure 5