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Philips FWM208, Service Manual, Page: 11 / 21

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Philips FWM208 Service Manual Download Page 11

LAYOUT DIAGARM - AMP BOARD 
BOTTOM SIDE VIEW

4 - 3

4 - 3

Summary of Contents for FWM208

Page 1: ... transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior permission of Philips CONTENTS Technical specification 1 2 Service measurement setup 1 3 Service aids 1 4 Instructions on CD playability 2 1 2 2 Block diagram 3 1 Wiring diagram 3 2 AMP board Circuit diagram 4 1 Layout diagram 4 2 4 5 LCD board Circuit diagram 5 1 Layout diagram 5 2 5 3 CD bo...

Page 2: ...Tuning grid 50 KHz Sensitivity Mono 26dB S N Ratio Stereo 46dB S N Ratio 22 dBu 45 dBu Search Selectivity 28 dBu Total Harmonic Distortion 3 Signal to Noise Ratio 45 dB MW Tuning Range 530 1700 kHz Speakers Speaker Impedance 4ohm General information AC power 110 127V 220 240V 50 60Hz Operation power consumption 55W Standby power consumption 8W USB direct Version 2 0 1 1 Dimensions Main Unit W x H ...

Page 3: ...15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and 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 Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50 Bandpass 250Hz 15kHz e g 71...

Page 4: ...ng make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance Keep components and tools also at this potential ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used Safety components are marked by the symbol Lead free ...

Page 5: ...T OK check playability N Y playability ok check playability check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders access to CD drive possible cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 1 Exchange CDM 1 4 For description see following pages ...

Page 6: ...viously caused by a scratched dirty or copy protected CD In case problems remain the customer is requested to contact the workshop directly The lens cleaning method 3 should be mentioned in the addendum sheet The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations 4 LIQUID LENS CLEANING Because the material of the lens is synthet...

Page 7: ...SET BLOCK DIAGRAM 3 1 3 1 ...

Page 8: ...SET WIRING DIAGRAM 3 2 3 2 ...

Page 9: ...4 1 4 1 CIRCUIT DIAGRAM AMP BOARD ...

Page 10: ...4 2 4 2 LAYOUT DIAGARM AMP BOARD TOP SIDE VIEW ...

Page 11: ...LAYOUT DIAGARM AMP BOARD BOTTOM SIDE VIEW 4 3 4 3 ...

Page 12: ...LAYOUT DIAGARM AMP BOARD OUTPUT PART TOP SIDE VIEW 4 4 4 4 ...

Page 13: ...LAYOUT DIAGARM AMP BOARD OUTPUT PART BOTTOM SIDE VIEW 4 5 4 5 ...

Page 14: ...606 102 C604 103 C605 103 1 2 3 6 7 VOL101 VOLUME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 LCD R612 100 R613 10K D602 BACKLIGHT LED R617 82R 1 S31 2 S30 3 S29 4 S28 5 S27 6 S26 7 S25 8 S24 9 S23 10 S22 11 S21 12 S10 13 S9 14 S8 15 S7 16 S6 17 S5 18 S4 19 S3 20 S2 21 S1 22 S0 23 CS 24 WR 25 DATA 26 VSS 27 VLCD 28 VDD 29 C0 30 C1 31 C2 32 C3 IC601 ET8861M R630 33R R628 33...

Page 15: ...LAYOUT DIAGRAM LCD BOARD TOP SIDE VIEW 5 2 5 2 ...

Page 16: ...LAYOUT DIAGARM LCD BOARD BOTTOM SIDE VIEW 5 3 5 3 ...

Page 17: ...L219 FB 1K L218 FB 1K L902 FB L903 FB L904 FB 1 VINFC 2 TRB_1 3 REG02 4 VINSL 5 REG01 6 FWD 7 REV 8 VCC1 9 VOTR 10 VOTR 11 VOSL 12 VOSL 13 VOFC 14 VOFC 15 VOTK 16 VOTK 17 VOSD 18 VOSD 19 GND 20 VCC2 21 VCTL 22 GND 23 VINSD 24 TRB_2 25 VCC1 26 VINTK 27 BIAS 28 MUTE U103 SCA4720 EC114 10U D108 IN4148 D109 IN4148 Q108 8050 R189 22K R191 33K 1 2 3 4 5 CN109 TO LOADER LOADER MOTOR S501 OPEN S502 CLOSE ...

Page 18: ...CIRCUIT DIAGRAM CD BOARD PART 2 6 2 6 2 ...

Page 19: ...LAYOUT DIAGARM CD BOARD TOP SIDE VIEW 6 3 6 3 ...

Page 20: ...LAYOUT DIAGARM CD BOARD BOTTOM SIDE VIEW 6 4 6 4 ...

Page 21: ...8 1 Revision list Version1 0 3141 785 34920 First release Version1 1 3141 785 34921 Add 77 ...

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