Philips FWD792 Service Manual
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Philips FWD792 Service Manual

Philips FWD792 Service Manual

Dvd mini system
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DVD Mini System
©
Copyright 2006 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 SL 0623 Service Audio
Version 1.0

TABLE OF CONTENTS

Location of PC Boards ......................................................... 1-2
Speci cations ....................................................................... 1-3
Measurement Setup ............................................................. 1-4
Service Aids, Safety Instruction, etc ...........................1-5 to 1-7
Connections & Functional Overview......................... 1-8 to 1-11
Troubleshooting ......................................................1-12 to 1-13
Disassembly Instructions & Service positions ......................... 3
Set Block Diagram ................................................................ 4-1
Set Wiring Diagram .............................................................. 4-2
Control Board .......................................................................... 5
Main Board .............................................................................. 6
Tuner Board ............................................................................. 7
Power Board ............................................................................ 8
Mechanical Exploded View & Parts List .................................. 9
Printed in The Netherlands
Subject to modification
FWD792
Page
CLASS 1
LASER PRODUCT
© 3141 785 30880
/55/98
VIDEO CD

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  • Page 1: Table Of Contents

    LASER PRODUCT © Copyright 2006 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 CONTROL PCB TUNER PCB POWER PCB...

  • Page 3: Specifications

    Specifications MAIN UNIT AMPLIFIER SECTION Power Supply Rating ......110 - 127 / 220 - 240 V Output power ............4600 W PMPO ..............50/60HZ Switchable Stereo mode ............2x175 W RMS Power Consumption Frequency Response ......... 180 Hz - 16 kHz / ± 3 dB Active ..................

  • 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 ESD Equipment: Service Tools: Anti-static table mat - large 1200x650x1.25mm ...4822 466 10953 Universal Torx driver holder .........4822 395 91019 anti-static table mat - small 600x650x1.25mm ..4822 466 10958 Torx bit T10 150mm ...........4822 395 50456 Anti-static wristband ..........4822 395 10223 Torx driver set T6-T20 .........4822 395 50145 Connectorbox (1M ..........4822 395 11307...
  • Page 6 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 To avoid wear-out of tips switch off un-used equipment, or reduce heat. • Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free).
  • Page 8 1 - 8 CONNECTIONS...
  • Page 9 1 - 9 CONNECTIONS...
  • Page 10 1 - 10 CONNECTIONS...
  • Page 11 1 - 11 FUNCTIONAL OVERVIEW...
  • Page 12 1 - 12 FUNCTIONAL OVERVIEW & PREPARATIONS...
  • Page 13 1 - 13...

  • Page 14: Troubleshooting

    1-14 TROUBLESHOOTING...
  • Page 15 Region Code. LX3000D/LX3500D /MRD200 MX3600D/MX3800 LX3700D/LX3750W MRD210 MX3660D FWD573/FWD792/FWD798 oem derivative region code = 1 digit tv system = 1 digit "as/menu lang" = 1 digit "AFS" = "architechture Feature Set" = 3 digits This field is used to define the architecture / features sets for each product.
  • Page 18 DISMANTLING INSTRUCTIONS Dismantling the DVD Module Dismantling of the Cover Front Display 1) Remove the Volume knobs as stated in Dismantling the Cover Front Display in Figure 7. 1) Loosen the 4 screws at top cover , 2 screws at slide Cover 2) Loosen 2 screws at the bottom of front panel.
  • Page 19 Dismantling of the Control Board & Cassette Module Dismantling of the Power Board 1) Loosen 4 screws 'J' to remove the Power Board figure 13. 1) Loosen 19 screws 'H' to remove the control board figure 11. 2) Loosen 4 screws 'I' to remove the Cassette Module figure 12. Figure 13 Figure 12...

  • Page 20: Service Positions

    Service positions Service position A Service position B Note: After re-assembly, it is very important to ensure the wires are properly inserted into their respective sockets and routed not to touch or obstruct any moving parts. Service position C...
  • Page 21 BLOCK DIAGRAM Control system Tuner system...
  • Page 22 WIRING DIAGRAM CN903 LOADER POWER PCB MAIN PCB SUBWOOFER FOR FWD798 CONTROL MODEL ONLY TAPE DECK TUNER PCB...

  • Page 23: Control Board

    FTD DISPLAY PIN ASSIGNMENT (3G 10G) (3G 10G) CONTROL BOARD 10G 11G TABLE OF CONTENTS j ,p j ,p j ,p j ,p j ,p j ,p j ,p j ,p FTD Display Pin Assignment ........... 5-1 Pin Connection ..............5-1 Circuit Diagram ..............
  • Page 24 CIRCUIT DIAGRAM: CONTROL PCB C2501 C2512 C2525 C5017 C852 D2506 IC2501 Q2506 R2510 R2521 R2536 R2548 R2560 RB909 TA2506 D5 TA2517 D5 ZD2501 C4 C2502 C2513 C2526 C5018 CN257 D2507 IC2502 Q2507 R2511 R2522 R2537 R2549 R2561 SN2501 B4 TA2507 D5 TA2518 D5 ZD2502 C4 C2503...
  • Page 25 PCB LAYOUT:KEY / SW / MOTOR PCB C851 CN803A A1 CN806A A2 CN808A A2 J801 J803 J805 RB257 B2 RB804 B1 SW802 A2 SW804 B2 C852 CN804A A2 CN807A A2 CN810A A1 J802 J804 J806 RB803 B1 SW801 A1 SW803 B2...
  • Page 26 PCB LAYOUT - CONTROL PCB (TOP VIEW) C2510 JK302 JP2508 A3 JP2517 B3 JP2527 A2 JP2536 A2 JP2545 B2 JP2554 A2 JP2563 A2 JP2572 A2 JP2588 A1 JP2597 B2 JP2606 B1 Q2508 TA2504 B2 TA2513 A2 C2514 JK551 JP2509 A3 JP2518 A3 JP2528 A2 JP2537 A2...
  • Page 27 PCB LAYOUT - CONTROL PCB (BOTTOM VIEW) C2501 A2 C2508 A1 C2521 B2 C2529 B2 C5019 A1 C5308 A1 D2505 B2 FB2501 A3 Q2503 A2 R2505 B3 R2512 A2 R2519 A2 R2526 A2 R2538 A2 R2546 B3 R2553 B2 R2561 B2 ZD2503 B3 C2502 A2 C2509 A1...
  • Page 28 ELECTRICAL PARTS LIST - CONTROL BOARD ELECTRICAL PARTS LIST - KEY BOARD DP2501 9965 000 38410 VFD 38P TA280 9940 000 00872 TACT SW 50MA 12V IC2501 9940 000 00907 IC 52 PIN TP6311QH TA281 9940 000 00872 TACT SW 50MA 12V IC2502 9965 000 38412 IC 28P EM78P447SAPY-G...

  • Page 29: Main Board

    ES8380 PHOENIX INTERNAL IC DIAGRAM Motor DVD/CD Motor Driver MAIN BOARD Video TV Display Audio Speakers SDRAM Audio Microphone In ES8380 (8/16-MB) Phoenix S/P DIF A/V Receiver EEPROM VFD Panel VFD Driver ROM/Flash IR Remote TABLE OF CONTENTS Internal IC Diagram ............. 6-1 Voltage List ................
  • Page 30 VOLTAGE IC201 IC501 Pin NO Pin NO Voltage 3.40 1.52 0.80 0.04 1.66 0.41 0.46 0.03 0.00 3.40 0.15 0.14 0.02 0.16 1.15 3.06 1.42 Voltage 0.00 0.00 0.00 -11.95 0.00 0.00 0.00 13.34 Pin NO Voltage 3.40 3.26 0.00 3.40 2.00 0.14...
  • Page 31 CIRCUIT DIAGRAM -MAIN SERVO C0201 D3 C204 C810 L253 R297 C0202 D3 C205 C812 L254 R298 C0204 D3 C206 C813 L255 R376 C0205 D3 C207 C814 L256 R377 C0206 D3 C208 C815 L801 R378 C0207 D3 C209 C816 L802 R379 C0209 D3 C210 C817...
  • Page 32 CIRCUIT DIAGRAM -MAIN AMPLIFIER (TOP LEFT) C101 C306 C324 C404 C440 C460 C5101 D6 C5201 D6 C5219 D7 C5240 C7 C5314 C7 C5338 C8 C710 C725 C740 C755 CN701 B1 D3012 B5 D410 D711 IC401 L301 L701 C102 C307 C325 C405 C442 C461...
  • Page 33 CIRCUIT DIAGRAM -MAIN AMPLIFIER (TOP RIGHT) Q3005 C4 Q501 Q717 R3002 C4 R302 R313 R338 R401 R438 R474 R491 R510 R521 R5303 C6 R5324 C8 R7102 B6 R717 R733 R749 R765 R781 ZD406 B3 Q3006 C4 Q503 Q718 R3003 C4 R3020 B4 R314 R339...
  • Page 34 CIRCUIT DIAGRAM -MAIN AMPLIFIER (BOTTOM LEFT)
  • Page 35 CIRCUIT DIAGRAM -MAIN AMPLIFIER (BOTTOM RIGHT)
  • Page 36 PCB LAYOUT: MAIN (TOP) VIEW C0232 C414 C812 IC213 R103 R366 R743 C0250 C434 C814 IC220 R104 R374 R744 C0258 C436 C817 IC221 R105 R375 R745 C0259 C438 C818 IC222 R106 R376 R754 C0261 C439 C820 IC301 R107 R377 R755 C0262 C440 C821...
  • Page 37 PCB LAYOUT MAIN (BOTTOM) VIEW C0201 B3 C231 C703 Q409 R517 ZD210 B2 C0202 A3 C232 C704 Q450 R518 ZD211 B2 C0204 B3 C233 C705 Q451 R5206 C1 ZD213 A1 C0205 B3 C234 C706 Q501 R5207 C1 ZD214 A1 C0206 A3 C235 C707 Q502...
  • Page 38 IC205 9940 000 05209 IC 3P AZ809NSTR-E1 SOT23 Q203 9965 000 26946 XISTR PNP 2SB772P/Q IC207 9965 000 23948 IC 14PIN 74HCU04D PHILIPS Q3001 9940 000 00915 XISTR NPN 2SC1623 RA204 9940 000 05229 RES.ARRAY 100R 1/16W 5% IC211 9940 000 00835...

  • Page 39: Tuner Board

    TUNER ADJUSTMENT TABLE Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter VARICAP ALIGNMENT 108MHz 7.5V 1V check 87.5 - 108MHz (50kHz grid) 87.5MHz check 1.4V 0.2V 1602KHz 7.2V 1V check 531KHz T005 1.1V 0.2V 531-1602kHz (9kHz grid) TUNER BOARD 530-1700kHz 1700KHz check...
  • Page 40 CIRCUIT DIAGRAM : TUNER BOARD ANT001 A1 C009 C015 C023 C031 C038 C047 D002 IF003 R002 R015 R023 R030 T003 VD003 C002 C016 C024 C032 C039 C048 D003 R004 R016 R024 R031 T005 VD004 C004 C010 C019 C025 C033 C040 C050 D004 L001...
  • Page 41 PCB LAYOUT - TUNER BOARD (TOP VIEW) ANT001 A2 JMP4 JMP5 C005 JMP6 C006 JMP7 C007 JMP8 C009 JMP9 L001 C019 C024 Q001 C025 Q002 C030 R018 C035 T001 C047 T002 CN001 T003 CN002 T005 D001 T006 D002 VC001 A1 D003 VC002 B1 D004...

  • Page 42: Power Board

    VOLTAGE IC901 Pin NO Voltage 3.66 0.01 0.40 1.90 0.00 2.66 15.87 5.00 IC902 Pin NO Voltage 5.00 2.70 3.96 IC903 Pin NO Voltage 3.90 0.00 2.40 IC904 Pin NO Voltage 4.90 4.90 0.00 0.40 1.30 3.20 0.00 1.20 1.20 13.30 13.30 4.90...
  • Page 43 CIRCUIT DIAGRAM-POWER BOARD BD901 D1 C916 C931 C946 C961 D902 D919 L905 Q913 R911 R928 R943 R958 R973 R988 C902 C917 C932 C947 C962 D903 D920 L906 Q914 R912 R929 R944 R959 R974 R989 C903 C918 C933 C948 C963 D904 F901 L907 Q915...
  • Page 44 PCB LAYOUT-POWER BOARD (/98 ver. & /55 ver.) BD901 A1 C914 C928 C942 C956 C971 D908 GT902 B1 J905 J920 L907 Q912 B3 R906 R920 R935 R949 R963 R977 T901 C901 C915 C929 C943 C957 CN901 B1 D909 GT903 B2 J906 J921 NTC901 B1...
  • Page 45 ELECTRICAL PARTS LIST - POWER BOARD 9965 000 28768 9965 000 16694 BD901 BRIDGE KBU8B 8A 100V UL L904 6UH 13.5TS 2UEW 9940 000 05343 9965 000 27102 C902 COND SAF. 0.22UF 275V 20% L905 TOROID COIL S1=1TS 9965 000 27115 9965 000 16694 C903 CAP.
  • Page 46 SET MECHANICAL EXPLODED VIEW 26 1 26 2 26 3 18 19 22 23 32-1 26-2 32-2...
  • Page 47 MECHANICAL & ACCESSORIES PARTS LIST 9940 000 01531 CASS LENS BOTTOM RIGHT 9940 000 00924 RCA CABLE 1500MM 9940 000 01537 CASS LENS BOTTOM LEFT 9940 000 00929 PICK UP ASS'Y HITACHI 9940 000 01529 CASS LENS TOP RIGHT 9940 000 01553 REMOTE CONTROL 45 KEY 9940 000 01536 CASS LENS TOP LEFT...

This manual is also suitable for:

Fwd792/55Fwd792/98

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