Philips-FWD-17-Service-Manual(1) 电路图 维修手册.pdf
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1、Version 3.0 FWD16, FWD17 3141 785 30412 Mini System all versions Published by YT 0747 Service Audio Subject to modification Copyright 2005 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
2、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 re
3、fer chapter 6 to 12 for sets produced before week 618 and chapter 13 to 19 for sets produced in or after week 619. RadioFans.CN 收音机爱 好者资料库 For sets produced before week 618 (GW1006180 xxxxx) Block diagram .6-1 Wiring diagram .6-2 Display / Tuner board circuit diagram .7-1 layout diagram .7-2 Main an
4、d Power board circuit diagram .8-1 layout diagram .8-2.8-3 Cassette board circuit diagram. .9-1 layout diagram .9-2 DVD / MPEG board circuit diagram .10-1 layout diagram .10-2.10-3 Exploded view diagram . 11-1 Mechanical partslist . 11-2 Electrical partslist .12-1 TABLE OF CONTENTS Handling chip com
5、ponents .1-1 Service tools .1-1 Leadfree and safety information .1-2 Technical specification .2-1 Service measurement setup .2-2 Connections and controls .3-1.3-5 Disassembly diagram .4-1.4-2 Service Test Program .5-1 For sets produced in or after week 618 (GW2006190 xxxxx up) Block diagram .13-1 Wi
6、ring diagram .13-2 Display / Tuner board circuit diagram .14-1 layout diagram .14-2 Main and Power board circuit diagram .15-1 layout diagram .15-2.15-3 Cassette board circuit diagram. .16-1 layout diagram .16-2 DVD / MPEG board circuit diagram .17-1.17-4 layout diagram .17-5 Exploded view diagram .
7、18-1 Mechanical partslist .18-2 Electrical partslist .19-1.19-3 Revision .20-1 RadioFans.CN 收音机爱 好者资料库 1 - 1 HANDLING CHIP COMPONENTS RadioFans.CN 收音机爱 好者资料库 1 - 2 2 - 1 GENERAL Mains voltage -/21/21M : 120 / 230 V Mains frequency -/21/21M : 50 / 60 Hz Battery remote : 3V (R06 x 2) Power consumption
8、 Max. : 70 W (max.) Standby : 15 W Dimension (W x H x D) : 436 x 86 x 337 mm Weight : 5.5 Kg No voltage selection is available in sets, which are produced after week 619. AMPLIFIER Output power : 2 x 30 W RMS : 1200 W PMPO Speaker impedance : 2 x 6 ohm Frequency response : 63 Hz - 16 kHz (3dB) Aux i
9、nput sensitivity : 500mV (600 ohm) Line Out : 1 2 V RMS (10 Kohm) TUNER - FM SECTION Tuning range : 87.5 108.5 MHz IF frequency : 10.7 MHz 0.2 MHz Sensitivity : 22 dBf at 46dB S/N Selectivity : 20 dB at 300kHz IF rejection : 50 dB Image rejection : 20 dB PECIFICATION TUNER - AM SECTION Tuning range
10、AM(MW) : 515 - 1646 kHz IF frequency : 455 kHz 3 kHz Sensitivity MW : 3250 V/m at 26dB S/N Selectivity MW : 20 dB IF rejection MW : 24 dB Image rejection MW : 28 dB AUDIO CASSETTE RECORDER Number of tracks : 1 stereo Tape speed : 4.76 cm/sec 3% Wow & flutter : 0.4% DIN Fast wind/rewind C60 : 170 sec
11、. Frequency response P/B : 80 12.5 Hz S/N ratio : 50 dB Bias frequency : 73 10 kHz DVD / 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 ? S-Video Output : Y - 1.
12、0 Vp-p, 75 ? C - 0.286 Vp-p, 75 ? Audio 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 : ? 50 dBA Channel separation
13、: ? 40 dB (1 kHz) Total harmonic distortion : 0.02% (1 kHz) LOUDSPEAKERS 2-way bass reflex system Dimension (W x H x D) : 185 x 310 x 235 mm Weight : 2.5 Kg Note: Specification of FWD16 loudspeakers may be different SPECIFICATION 2 - 2 SERVICE MEASUREMENT Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF
14、Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Tuner FW Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N a
15、nd distortion meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage. Use a bandpass filter (or at least a high pass filter with 250kHz) to eliminate hum (50Hz, 100Hz). RF G
16、enerator e.g. PM5326 Ri=50 L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CDRECORDER Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3) Use Universal Test Cassette Fe SBC420 4822 397 30071 L R LEVEL METER e.g. Sennheis
17、er UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT LF Generator e.g. PM5110 Ri=50 3 - 1 CONNECTION AND CONTROLS 3 - 2 CONNECTION AND CONTROLS 3 - 3 CONNECTION AND CONTROLS 3 - 4 CONNECTION AND CONTROLS 3 - 5 CONNECTION AND CONTROLS For more information onoperation in
18、struction please visit Philips Audio internet site : 4 - 14 - 1 DISASSEMBLY INSTRUCTION A2 A1 A2 A. Remove Top Cover A1 remove screws M3x6 - 4 pcs. A2 remove screws M3x6 - 4 pcs. A3 A3 lift up the top cover. B. Remove Cassette mechanism B1 remove screws T3x10 - 4 pcs. B1 C1 C. Remove DVD Loader C1 r
19、emove screws M3x8 - 4 pcs. E1 D D. Remove Cassette mechanism D1 remove screws M3x6 - 6 pcs. D. Remove Cassette mechanism D1 remove screws M3x6 - 6 pcs. 4 - 24 - 2 DISASSEMBLY INSTRUCTION F1 F. Remove DVD / MPEG board F1 remove screws M3x6 - 4 pcs. G1 G2 G2 H. Remove Front Panel Assembly H1 remove sc
20、rews M3x8 (+ fi bre washers) - 9 pc. G2 remove screws M3x8 (C-head) - 2 pc. H1 G. Remove Front Panel Assembly G1 remove screws M3x6 - 1 pc. 5 - 1 N Y REPEAT SHUFFLE button pressed? PLAY button pressed? N Y Display shows all segments and flags for checking open circuits. see figure 1 DISPLAY TESTFACT
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