Philips FWM185, Service Manual

Page 1: ...ic mechanical photocopying or otherwise without the prior permission of Philips Published by SL0731 Service Audio Printed in The Netherlands Subject to modification GB 3141 785 31682 Mini System TABLE OF CONTENTS Page Specifications 1 2 Measurement Setup 1 3 Block Diagram 2 Wiring Diagram 3 Cassette Board USB Board 4 Main USB Board 5 CD Board 6 AMP Board 7 Mechanical Exploded View Parts List 8 Ver...

Page 2: ...tions and external appearance are subject to change without notice AMPLIFIER 1 KHz Low channel both channels driven 30 W per channel 8 10 KHz High channel both channels driven 30 W per channel 8 Total output power 120 W Signal to noise ratio t 62 dBA IEC Frequency response 63 16000 Hz 3 dB CD PLAYER Frequency range 63 16000 Hz Signal to noise ratio 65 dBA TUNER FM wave range 87 5 108 MHz MW wave r...

Page 3: ...5kHz 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 50Ω Bandpass 250Hz 15kHz e g 71...

Page 4: ...ICE AIDS GB WARNING All ICs and many other semi conductors are susceptible to electrostatic discharges ESD Careless handling during repair can reduce life drastically When repairing 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 ...

Page 5: ...ce CD Drive Laser current ok N Y check Laser current CD Drive offsets ok N Y check CD Drive offsets clean the lens check playability return set Customer complaint CD related problem return set return set replace CD Drive return set replace CD Drive return set replace Signal Processor return set fast lens cleaning 1 2 3 4 5 6 7 For flap loaders access to CD drive possible cleaning method 4 is recom...

Page 6: ...o 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 3 FAST LENS CLEANING dry brush Use lens cleaning CD SBC AC300 9082 100 00043 Insert the lens cleaning CD press PLAY and follow the voice guide s instructions on the CD 4 LIQU...

Page 7: ... a DC Millivoltmeter directly on the connector see drawing below Pin numbering varies from drive to drive The values from diode A D should read 0 10mV Diodes E and F are less critical If one of the offsets is higher than 10mV the CD drive has to be replaced Otherwise replace the Signal Processor Sanyo DA12T3 CD Drive A A F C B E C D E VCC B VREF F D 9 10 11 12 13 14 15 16 1800 5V_HF VrefCD10 A D E...

Page 8: ...2 1 2 1 SET BLOCK DIAGRAM ...

Page 9: ...SET WIRING DIAGRAM 3 1 3 1 ...

Page 10: ...4 1 4 1 PCB LAYOUT CASSETTE BOARD ...

Page 11: ...4 2 4 2 CIRCUIT DIAGRAM CASSETTE BOARD ...

Page 12: ...5 1 5 1 PCB LAYOUT MAIN MCU USB BOARD ...

Page 13: ...5 2 5 2 CIRCUIT DIAGRAM MAIN MCU BOARD TUNER PART ...

Page 14: ...5 3 5 3 CIRCUIT DIAGRAM MAIN MCU USB BOARD ...

Page 15: ...6 1 6 1 PCB LAYOUT CD BOARD ...

Page 16: ...6 2 6 2 CIRCUIT DIAGRAM CD BOARD ...

Page 17: ...7 1A 7 1A PCB LAYOUT AMP BOARD FOR VERSION 55 77 79 ...

Page 18: ...PCB LAYOUT AMP BOARD FOR VERSION 12 05 TOP VIEW 7 1B 1 7 1B 1 ...

Page 19: ...PCB LAYOUT AMP BOARD FOR VERSION 12 05 BOTTOM VIEW 7 1B 2 7 1B 2 ...

Page 20: ...7 2A 7 2A CIRCUIT DIAGRAM AMP BOARD FOR VERSION 55 77 79 98 ...

Page 21: ...CIRCUIT DIAGRAM AMP BOARD FOR VERSION 12 05 7 2B 7 2B ...

Page 22: ...3 55 43 56 52 51 45 49 48 44 43 41 38 42 40 28 29 27 26 25 23 22 24 21 20 19 18 17 16 15 14 12 13 11 9 10 8 7 6 5 4 3 2 1 32 31 30 34 33 39 38 35 36 37 45 47 50 54 46 SET MECHANICAL EXPLODED VIEW 8 1 8 1 ...

Page 23: ...ET 14 996510002257 STANDBY KNOB M 996510006810 AM LOOP ANTENNA 14 996510004644 STANDBY KNOB 77 79 98 15 996510002260 STANDBY LIGHT GUIDE BKT 17 996510002261 TUNING SHAFT 18 996510002259 TUNING SHAFT BRACKET 25 996510002277 TUNING GEAR 26 996510002307 LOADER BRACKET 27 996500038820 CD LOADER WXD 8210 COMPLETED 28 996510002242 LOOP ANT COVER 30 996510002266 CASSETTE DOOR SPRING 31 996510002239 FRONT...

Page 24: ...D DSP SQFP80 IC802 996500038842 IC LA6548NH 4 CH DRIVER FM1 996510002282 COIL 1T5 D7 6 0 7 CW IC803 996510002301 IC LC87F14C8AU TQFP E IC101 994000003962 IC TA2111NG IC804 996510002299 IC LM1117 5V SOT 223 IC102 996500038835 IC ET3600 SOP8 IC805 996510002300 IC LM1117S 3 3V SOT 223 IC301 996510002284 IC LC87F7BC8A MCU QIP100E OTP IC302 994000004737 IC D6208 MOTOR DRIVER Q801 994000003973 CHIP TR M...

Page 25: ...0D Q507 994000003972 CHIP TR MMBT9014C Q508 994000003972 CHIP TR MMBT9014C Q509 994000004004 CHIP TR NPN 8050C SP501 996510002296 SPEAKER TERMINAL 8POSITION TH501 996510002292 TRANSFORMER VDE APP 230V Note Only these parts mentioned in the list are normal service parts 8 4 ...

Page 26: ...he instruction of CD playability check is added 2 Chapter 7 have been revised add Schematics and PCB Layouts for version 05 12 3 Version 77 79 have been added Chapter 8 Mechanical Parts List updated 1 1 Manual 3141 785 31682 In this version 1 Version 98 has been added Chapter 8 2 Mechanical Accessories Parts List updated ...