Philips-LX-2600-D-Service-Manual(1) 电路图 维修手册.pdf
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1、CLASS 1 LASER PRODUCT Service Manual Service Service Service Service Service TABLE OF CONTENTS Page Location of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di
2、 ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWar
3、ning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DK
4、Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. 2-12-1 DISMANTLING INSTRUCTIONS Dismantling of the Front Panel assembly 1) Open the Tray and remove the tray cover assembly and remove it as shown in figure 1. Note: The Tray can be manu
5、ally open by inserting a minus screw driver (approximately 9mm) and push lever in the direction shown in figure 2. Dismantling of the Tuner Module, Loader Mechanism & Mono AV board 1) Loosen 2 screws A (pos 281) to remove the Tuner Module as per figure 3. 2) With the tray cover assembly already remo
6、ved, loosen 4 screws D (pos 278) to remove the Loader Mechanism as per figure 4. 3) Loosen 2 screws C (pos 283 & 286) on the rear and 2 screws G (see figure 3 and 4) to remove the Mono AV board. 1) Loosen 4 screws E (pos 280) and 1 catch C1 to remove the PSU board as per figure 4. 2) Loosen 2 screws
7、 B (pos 281) to remove the Speaker Connector board as per figure 3. Remove the Speaker Connector board try to prevent being block by Z as per figure 5. 3) Loosen 4 screws F (pos 279) to remove the Amplifier board as per figure 4. Dismantling of the PSU, Speaker Connector and Amplifier boards 2) Loos
8、en the 5 screws to dismantle the Top Cover - 2 screws on each side (pos 293) - 3 screws on the Rear Panel (pos 288). 3) Uncatch 4 catches C2 (2x on side & 2x on the bottom) to slide the Front Panel assembly as per figure 4. Figure 1 Figure 2 Figure 3 Speaker Connector Figure 4 2-22-2 Service positio
9、ns Figure 5 Figure 6 Figure 7 Figure 8 Speaker Connector Thick Insulation sheet or paper Thick Insulation sheet or paper Thick Insulation sheet or paper Thick Insulation sheet or paper Mono AV Board Front Keyboard Loader Mechanism 3-1 Various other Tests Activated withACTIONTEST SEEPROM FORMAT TEST
10、Load default data. Display shows NEW for 1 second. Caution! All presets from the customer will be lost! Disconnect mains cord LEAVE SERVICE TEST PROGRAM SOURCE / VOLUME Knob ROTARY ENCODER TEST Display shows value for 2 seconds. Values increases or decreases in steps of 1 until 0 (Min.) or 40 (Max.)
11、 is reached. Figure 2 Figure 1 Y N Y N N BII Button pressed? BII Button pressed? DISPLAY TEST Display shows Figure 1 Display shows Figure 2 Y 9 Button pressed? To start service test program hold S & SOURCE buttons depressed and press the STANDBY button* Display shows the ROM version S-Vyy S refers t
12、o Service Mode V refers to Version yy refers to Software version number of the uProcessor (counting up from 01 to 99) SERVICE TEST PROGRAM MAIN MENU * Mains power to set must be on Hold till the Display is shown - ignore last setting info on the display 3-2 Region code chage is done as follows: 1) P
13、ower up the set and open tray in DVD mode. 2) Press follow by buttons on the Remote control. where x = numeric 1 to 6 denoting the regions below: 1=USA 2=Europe 3=Asia Pacific 4=Australia, New Zealand, Latam 5=Russia, India 6=China Reprogramming of DVD version Matrix After repair of the Mono AV boar
14、d the customer setting and region code may lost. Reprogramming will put the set back in the state in which it has left the factory, ie. with the default setting and the allowed region code. To reprogram do as follow: 1) Put the set in Stop mode with tray open 2) Press the following buttons on the Re
15、mote Control: . for LX2600D/ 97 (Tuner - Non -Cenelac) . for LX2610D/93 (Tuner Non- -Cenelac) * Note: Please make sure the right tuner is used. Procedure for check Software version 1) Power up the set and open tray in DVD mode. 2) Press OSD button on the Remote control. 3) The TV screen will shows:
16、SERVO:nnnnnnnn REG:r LX3600D-yymmdd-Vxx where nnnnnnnn = servo version number r= region number yymmdd= software date in year, month, day format xx= version number SSS= stroke version eg: / 97 or /93 Procedure to upgrade software 1) Power up the set and open tray in DVD mode. 2) Place upgrade CD-ROM
17、onto tray and close. 3) The set will response and display the following: - LOAD After the disc is read, the tray will open for you to remove the disc - ERASE 0 - ERASE F . - ERASE 0 - WRITE F . - WRITE 0 - UPG ENDonly for a short moment, if unsuccessful ERROR is displayed - DISC - LOAD Tray will clo
18、se indicating that the upgrade process is completed 4) Unplug the set to disconnect the mains supply. 5) The whole process should last for about 5 minutes. Remove the upgrade CD-ROM and unplug the Mains supply. Procedure to change Tuner Grid During the standby mode, hold the SOURCE and PLAY buttons
19、down and press the STANDBY button. The display will show the new tuning grid GRID 9 or GRID 10. Note: Repeating the same action will toggle back to its previous tuning grid setting. 4-14-1 SET BLOCK DIAGRAM TUNER (TM 08) TDA8922 L/R POWER AMP Lx2600D/97 Block Diagram_39331_HY_wk443.2 4-2 WIRING DIAG
20、RAM 4-2 1 24 1 100mm 10P AD 1 140mm (3139 110 28081) 220mm FE 1p EH 3139 110 34581 1 AD 4P 8P 1 24p 1 EH 10P 1 1 BD EH 5P 1 1 140mm 1 3139 110 38821 3139 110 35391 EH 11P 1 PH 9P 120mm 24 340mm 1 1 FFC BD 11p 3139 110 35910 3139 111 01751 9P 1011 120mm 100mm FFC, 0.5mm pitch 480mm 1 1 280mm 1 5 LX26
21、00D/97_Set Wiring_39431_HY_wk443.2 PSU BOARD (For Information only) 5-1 It is not recommended for component repair on this board but to replace the board when it becomes defective. Therefore no service parts list is published in this chapter. The only service part available for replacement is: PSU B
22、oard 220V-240V. 3122 429 00191 5-25-2 PSU CIRCUIT 1 - 220-240V version (FOR INFORMATION ONLY) V t LEVEL SHIFTERDRIVER LOW SIDE DRIVER LOGIC OSCILLATOR + SUPPLY + HIGH SIDE +2 3V 2.33V 0.6V ERROR AMPLIFIER GM BOOTSTRAP DIODE J I H G F E D C B A 1 7 654321312111098 1312111098 7 654321 J I H G F E D C
23、B A I134 I131 I132 I201 I202 I129 I130 I127 I128 I123I124 I119 I117 I111 I116 I110 I105 I109 I103 I104 I102 2 43 I101 5103 HF2430 1 F219 F225 F218 F115 F224 33n 2208 F208 F212 F222 680K 3105 F214 F109 F213 F211F209 F210 F207F206 F204 F205 F203 F110 F111 F107 F108 F106F105 F103 F104 F102F101 6108 1N4
24、0061N4006 6107 6106 1N40061N4006 6105 470n 2171 AMP 2170 470n 470n 2168 150n 2169 BAS316 6154 220K 3178 100K 3179 BC847B DD 7154 AMP AMP AMP HOLE 0207 AMP HOLE 0206 3203 1K0 BC847B 7202 2112 100u 2154 10n PDZ-13B 2K2 6153 3204 2K2 3153 3154 2K2 7153 BC547B 2153 22u TCET1102 7119 3177 2K7 2105 470n P
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