Philips-FWD-17-Service-Manual电路原理图.pdf

Version 3.0FWD16, FWD17© 3141 785 30412Mini Systemall versions Published by YT 0747 Service Audio Subject to modification© Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.From week 619 onwards, the DVD Drive was changed from KSM310AAA to DM3151-B. New MPEG Board and Display Borad Assy are used to match with the new DVD Drive. Please refer chapter 6 to 12 for sets produced before week 618 and chapter 13 to 19 for sets produced in or after week 619. For sets produced before week 618 (GW1006180xxxxx)Block diagram .6-1Wiring diagram .6-2Display / Tuner boardcircuit diagram .7-1layout diagram .7-2Main and Power boardcircuit diagram .8-1layout diagram .8-2.8-3Cassette boardcircuit diagram. .9-1layout diagram .9-2DVD / MPEG boardcircuit diagram .10-1layout diagram .10-2.10-3Exploded view diagram . 11-1Mechanical partslist . 11-2Electrical partslist .12-1TABLE OF CONTENTSHandling chip components .1-1Service tools .1-1Leadfree and safety information .1-2Technical specification .2-1Service measurement setup .2-2Connections and controls .3-1.3-5Disassembly diagram .4-1.4-2Service Test Program .5-1For sets produced in or after week 618 (GW2006190xxxxx up)Block diagram .13-1Wiring diagram .13-2Display / Tuner boardcircuit diagram .14-1layout diagram .14-2Main and Power boardcircuit diagram .15-1layout diagram .15-2.15-3Cassette boardcircuit diagram. .16-1layout diagram .16-2DVD / MPEG boardcircuit diagram .17-1.17-4layout diagram .17-5Exploded view diagram .18-1Mechanical partslist .18-2Electrical partslist .19-1.19-3Revision .20-11 - 1HANDLING CHIP COMPONENTS1 - 22 - 1GENERALMains voltage -/21/21M : 120 / 230 V Mains frequency -/21/21M : 50 / 60 Hz Battery remote : 3V (R06 x 2) Power consumption Max. : 50 dB Bias frequency : 73 ± 10 kHzDVD / MP3 / CD Laser Type : Semiconductor Disc Diameter : 12cm / 8cm Video Decoding : MPEG-2 / MPEG-1 Signal System : PAL / NTSC Video S/N : 56 dB (min.) Composite Video Output : 1.0 Vp-p, 75 g159S-Video Output : Y - 1.0 Vp-p, 75 g159C - 0.286 Vp-p, 75 g159Audio DAC : 24 Bits / 96 kHz 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 No. of programmable tracks : 20 Signal-to-noise ratio : g149 50 dBA Channel separation : g149 40 dB (1 kHz) Total harmonic distortion : < 0.02% (1 kHz) LOUDSPEAKERS2-way bass reflex system Dimension (W x H x D) : 185 x 310 x 235 mm Weight : 2.5 KgNote: Specification of FWD16 loudspeakers may be different SPECIFICATION2 - 2SERVICE MEASUREMENTBandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BTuner FWUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50½Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday«s cage.Use a bandpass filter (or at least a high pass filter with 250kHz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50½LRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BDUTCD RECORDERUse Audio Signal Disc SBC429 4822 397 30184(replaces test disc 3)Use Universal Test Cassette Fe SBC420 4822 397 30071LRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BDUTLF Generator e.g. PM5110Ri=50½3 - 1CONNECTION AND CONTROLS3 - 2CONNECTION AND CONTROLS3 - 3CONNECTION AND CONTROLS3 - 4CONNECTION AND CONTROLS