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Philips MX2500/01 Service Manual
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Philips MX2500/01 Service Manual

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©
Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
Published by KC-ET0409 Service Audio Printed in The Netherlands Subject to modification.
Version 1.0
TABLE OF CONTENTS
Location of PC Boards ................................................ 1-2
Versions Variation & Package .................................... 1-2
Specifications .............................................................. 1-3
Measurement Setup ................................................... 1-4
Service Aids ................................................................ 1-5
ESD & Safety Instruction ............................................ 1-6
Setting Procedure & Repair Instructions ....................... 2
Disassembly Instructions & Service positions .............. 3
Block & Wiring Diagram ................................................ 4
Key (Control / Standby / Vol) Board .............................. 5
Tuner Board ................................................................... 6
DVD loader .................................................................... 7
Main Board .................................................................... 8
Exploded View ............................................................. 9
Power Board ... . ............................................................ 10
MX2500/01
Page
CLASS 1
LASER PRODUCT
GB
3139 785 30940

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  • Page 1 LASER PRODUCT © Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

  • Page 2: Location Of Pc Boards

    LOCATION OF PC BOARDS MAIN PCB POWER PCB VERSION VARIATION: Type /Versions: MX2500 Features & Board in used: / 01 Rotary Encoder (volume control) Aux Input Digital Output Line Output Progressive scan Power supply (220 ~ 240 V)

  • Page 3: Specifications

    Frequency Response ....4 Hz - 20 kHz (44.1kHz) ............4 Hz - 22 kHz (48kHz) ............4 Hz - 44 KHz (96KHz) Digital Output ..................SPDIF (Sony Philips digital interface) Coaxial - PCM ..............IEC 60958 - Dolby Digital ......... IEC 60958, IEC 61937...

  • Page 4: Measurement Setup

    MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...

  • Page 5: Service Aids

    SERVICE AIDS Service Tools: Universal Torx driver holder .........4822 395 91019 Torx bit T10 150mm ...........4822 395 50456 Torx driver set T6-T20 .........4822 395 50145 Torx driver T10 extended ........4822 395 50423 Compact Disc: SBC426/426A Test disc 5 + 5A ......4822 397 30096 SBC442 Audio Burn-in test disc 1kHz ....4822 397 30155 SBC429 Audio Signals disc .........4822 397 30184 Dolby Pro-logic Test Disc ........4822 395 10216...

  • Page 6: Class 1 Laser Product

    WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically. de levensduur drastisch doen verminderen. When repairing, make sure that you are Zorg ervoor dat u tijdens reparatie via een connected with the same potential as the mass...
  • Page 7 Press the "OPEN/CLOSE" button to open the set's door 2) Region Code Change b) Press "1" "5" "9" button by using R/C. For MX2500/01 (Europe) : After replacement / repair of the MPEG board, the customer c) TV Show "TUNER AREA"...

  • Page 8: Repair Instructions (1 Of 2)

    REPAIR INSTRUCTIONS (1 of 2)

  • Page 9: Repair Instructions (2 Of 2)

    REPAIR INSTRUCTIONS (2 of 2)

  • Page 10: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Dismantling of the DVD Module 1) Loosen 4 screws "A" to remove the DVD Module as shown in figure 4. Dismantling of the Front Panel Assembly 1) Open the DVD Tray by using the Open/Close Button 2) Return the set to its upright position and remove the Tray while the Set is ON and disconnect the mains supply after Cover as shown in Figure 3 and close the tray manually removing the Tray Cover.

  • Page 11: Service Positions

    SERVICE POSITIONS Dismantling of the Tuner PCB 1) Loosen 10 screw " C " at the back panel as shown in figure Service position A 2) Loosen 6 screw " D " on the top of main board as shown in figure 8.

  • Page 12: Block Diagram

    BLOCK DIAGRAM...

  • Page 13: Wiring Diagram

    WIRING DIAGRAM...

  • Page 14: Ftd Display Pin Assignment

    FTD DISPLAY PIN ASSIGNMENT KEY (CONTROL / STANDBY / VOL) BOARD (2G - 10G) TABLE OF CONTENTS FTD Display Pin Assignment ........... 5-1 Pin Connection ..............5-1 Circuit Diagram ..............5-2 PCB Layout Top View ............5-3 PCB Layout Bottom View ..........5-3 Electrical Parts List &...

  • Page 15: Circuit Diagram - Key Board

    CIRCUIT DIAGRAM - KEY BOARD C2201 R2251 C2202 R2252 C2204 R2253 C2206 R2254 C2207 R2255 C2208 RB201 C2209 RB202 C2212 RB202A C2213 RB202B C2214 RB203A C2215 RB203B C2216 SN2201 C2217 TA2201 C2218 TA2202 C2219 TA2203 C2220 TA2204 C2221 TA2205 C2222 TA2206 C2223 TA2207...

  • Page 16: Pcb Layout - Key Board (Top)

    PCB LAYOUT - KEY BOARD (TOP) C2204 D2201 RB202 TA2201 TA2207 C2207 D2202 RB202A TA2202 TA2208 C2208 DP2201 RB202B TA2203 VR2201 C2213 LD2201 RB203A TA2204 XL2201 C2217 R2228 RB203B TA2205 ZD2201 C2223 RB201 SN2201 TA2206 PCB LAYOUT - KEY BOARD (BOTTOM) C2201 C2219 R2227...
  • Page 17 ELECTRICAL PARTS LIST - KEY ( CONTROL / STANDBY / VOL) PCB MISCELLANEOUS R2243 9965 000 29237 CHIP RES. 10KOHM 1/10 W 5% SN2201 9965 000 26956 IRT RECEIVER IRM-2638F4 R2244 9965 000 29237 CHIP RES. 10KOHM 1/10 W 5% TA2201 9965 000 26950 AI TACT SW SKHVBE3520...

  • Page 18: Tuner Adjustment Table

    TUNER ADJUSTMENT TABLE Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter VARICAP ALIGNMENT 108MHz 6.5V ±1.2V check 87.5 - 108MHz (50kHz grid) 87.5MHz check 1.0V ±0.5V 1602KHz check 7.8V ± 0.2V T005 1.1V ± 0.5V 531KHz 530-1710kHz (10kHz grid) TUNER BOARD ( 21L / 21L / 37S ) check...
  • Page 19 CIRCUIT DIAGRAM - TUNER BOARD ANT001- A1- R004- C002- R005- C005- R006- C007- R010- C006- R011- C008- R015- C009- R016- C01- R017- C02- R018- C03- R019- C010- R020- C011- R021- C012- R023- C013- R024- C014- R025- C015- R026- C016- R027- C019- R028- C020-...
  • Page 21 PCB LAYOUT - TUNER BOARD (BOTT OM) C01- C013- C023- C037- C048- R005- R019- R028- C03- C014- C026- C038- C050- R006- R020- R029- C001- C015- C029- C039- C052- R007- R021- R030- C002- C016- C031- C040- IC001- R010- R023- R031- C008- C020- C032- C041-...
  • Page 22 ELECTRICAL PARTS LIST - TUNER PCB ASS’Y DIODES MISCELLANEOUS D001 9965 000 26949 DIODE SW 1N4148 PB<1000PPM ANT001 9965 000 24668 RF JACK MALE TYPE 75 OHM D002 9965 000 26949 DIODE SW 1N4148 PB<1000PPM CN002 9965 000 15855 CONNECTOR S2B-XH-A 2 PIN D004 9965 000 26958 DIODE ZENR 11.1-11.6V 0.5W...

  • Page 23: Dvd Loader

    DVD LOADER (For Information only) It is not recommended for component repair on this module but to replace the module when it becomes defective. Therefore no service parts list is published in this chapter. The only service part available for replacement is: DVD MECH.
  • Page 24 Explorer View - DVD Loader...

  • Page 25: Main Board

    ES6628F INTERNAL IC DIAGRAM DVD/CD Motor Motor Driver Video ES6603 T V Display RF Amp 8/16-MB Audio DAC Speakers DRAM Audio ADC Microphone In ES6628 EEPROM Vibratto-II MAIN BOARD S/PDIF A/V Receiver ROM/Flash VFD Panel VFD Driver IR Remote AM5868S INTERNAL IC DIAGRAM VCTL OP1OUT VCC2 VOLD- VOLD+ VOTK- MUTE BIAS...
  • Page 26 VOLTAGES IC201 (ES6698) IC405 (M62446FP) PIN NO 1 PIN NO 1 Voltage 3.3 1.77 1.77 1.77 Voltage PIN NO 21 PIN NO 21 Voltage 3.3 2.8 3.1 0.2 3.3 1.3 1.3 3.3 1.4 1.3 1.3 1.2 1.3 Voltage PIN NO 41 PIN NO 41 Voltage Voltage...
  • Page 27 CIRCUIT DIAGRAM (1)- MAIN BOARD C201 C801 IC210 R360 C202 C802 IC351 R363 C203 C803 IC801 R801 C204 C804 IC802 R802 C205 C805 JK801 R803 C206 C806 JK802-A A8 R804 C207 C807 JK802-B B8 R805 C208 C808 JK805 R806 C209 C809 L187 R807...

  • Page 28: Circuit Diagram (2)- Main Board

    CIRCUIT DIAGRAM (2)- MAIN BOARD C301 C515 C5003 D6 IC504-C E1 R451 R4003 C302 C516 C5004 E6 IC504-E E1 R452 R4004 C303 C517 C5005 E6 IC505-A F1 R453 R4005 C304 C518 C5006 E6 IC505-B F1 R454 R4006 C311 C519 C5007 E5 IC505-D F1 R455 R4007...

  • Page 29: Pcb Layout - Main Board (Top)

    PCB LAYOUT - MAIN BOARD (TOP) C201 C261 C314 C412 C440 C474 C509 C546 C595 C834 C970 C5008 CN201 D803 IC503 L951 R201 R243 R311 R406 R434 R462 R505 R657 R826 R965 XL201 C202 C262 C315 C413 C441 C475 C510 C547 C598 C835...

  • Page 30: Pcb Layout - Main Board (Bottom)

    PCB LAYOUT - MAIN BOARD (BOTTOM) C214 C239 C267 C504 C569 C821 C972 C2012 C4010 C5071 C5092 IC505 L811 R242 R529 R555 R4009 C215 C241 C272 C523 C570 C824 C974 C2013 C4011 C5072 C5093 L187 L812 R248 R530 R556 R4010 C217 C244 C273...
  • Page 31 ELECTRICAL PARTS LIST - MAIN BOARD MISCELLANEOUS L203 9965 000 26926 CHIP INDUC 1 UH 0.1 L820 9965 000 23594 CHIP INDUC 1UH 10% CF5041 9965 000 23595 RES 2P 600KHZ ORANGE BOX C568 9965 000 23605 COND MYLAR 0.01UF 100V 5% L821 9965 000 23594 CHIP INDUC 1UH 10%...
  • Page 32 IC207 9940 000 00835 IC 20PIN 74F374D Q5001 9940 000 00915 XISTR NPN 2SC1623 D401 4822 130 83338 LL4148 IC208 9965 000 26932 IC 3 PIN RT9164-33PLR Q5002 4822 130 41651 2SC2001L D5001 9965 000 19409 DIODE CHIP BAV16W/IN4148W IC209 9965 000 26934 IC LD1117 ADJ SOT223 ST Q5003...
  • Page 34 MECHANICAL & ACCESSORIES PARTS LIST - MAIN UNIT 9965 000 29228 PH.JACK PCB 9965 000 29229 PH.BKT PCB 9965 000 26912 MAIN PCB ASS’Y LEAD FREE 9965 000 24684 CONTROL PCB ASSY 9965 000 26914 FRONT PANNEL HIPS 9965 000 23575 FM ANTENNA HOLDER 9965 000 23639 VOLUME KNOB ABS...

  • Page 35: Power Board

    10-1 POWER BOARD (For Information only) 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: SW PWR SUP ASSY INPUT 230V ....
  • Page 36 10-2 CIRCUIT DIAGRAM - POWER BOARD (/01)
  • Page 37 10-2 PCB LA YOUT - POWER BOARD (/01)

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