Philips MCB279/05, Service Manual

Page 1: ...ublished by SL 0821 Service Audio Printed in The Netherlands Subject to modification DAB Micro System Version 1 0 CLASS 1 LASER PRODUCT 3141 785 32860 TABLE OF CONTENTS Page PCBs Location Version Variations 1 2 Specifications 1 3 Measurement Setup 1 4 Service Aids Safety Instruction etc 1 5 to 1 7 Software Version Checking 2 Set Block Diagram 3 Set Wiring Diagram 4 Main Board 5 MCU Board 6 Key Boa...

Page 2: ... 05 VERSION VARIATIONS Type Versions Board in used MCB279 Service policy MAIN BOARD CD BOARD POWER AMP BOARD HEADPHONE BOARD TIPS C Component Lever Repair M Module Lever Repair Used C 12 05 8 5 5 9 1 6 8 5 Feature diffrence KEY BOARD C C C DAB MODULE M x x x 1 2 PCBS LOCATION MOTOR BOARD C C MCU BOARD C x CD BOARD HEADPHONE BOARD KEY BOARD MOTOR BOARD POWER AMP BOARD MCU BOARD MAIN BOARD ...

Page 3: ... presets 40 Antenna FM 75 wire SPEAKERS Bass reflex system Dimensions w x h x d 158 x 250x 185 mm GENERAL INFORMATION AC Power 110 240V 50 Hz 60 Hz Dimensions w x h x d with without the stand 211 x 250 x 160 211 x 250 x 126 mm Weight with without speakers 3 7 1 33 kg Standby power consumption 2 W Eco power standby 1 W Specifications and external appearance are subject to change without notice USB ...

Page 4: ...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 7122 707 48001 LF Voltmeter e g PM2534 DUT RF Generator e g PM5326 S N and distortion meter e g Sound Technology ST1700B Use a...

Page 5: ...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 6: ...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 1 6 Exchange CDM 1 4 For description see following pages ...

Page 7: ...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 8: ...1 MCU version at standby mode press and hold SOURCE PLAY buttons at the same time e g V2 01 JT3 Software checking SOFTWARE VERSION CHECKING 2 1 2 1 ...

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

Page 10: ...4 1 4 1 SET WIRING DIAGRAM ...

Page 11: ...5 1 5 1 CIRCUIT DIAGRAM MAIN BOARD DAB PART ...

Page 12: ...5 2 5 2 CIRCUIT DIAGRAM MAIN BOARD SUB MCU PART ...

Page 13: ...5 3 5 3 CIRCUIT DIAGRAM MAIN BOARD TUNER PART ...

Page 14: ...5 4 5 4 CIRCUIT DIAGRAM MAIN BOARD INTERFACE PART ...

Page 15: ...LAYOUT DIAGRAM MAIN BOARD TOP VIEW 5 5 5 5 ...

Page 16: ...LAYOUT DIAGRAM MAIN BOARD BOTTOM VIEW 5 6 5 6 ...

Page 17: ...CIRCUIT DIAGARM KEY BOARD 6 1 6 1 ...

Page 18: ...LAYOUT DIAGARM KEY BOARD TOP VIEW 6 2 6 2 ...

Page 19: ...LAYOUT DIAGARM KEY BOARD BOTTOM VIEW 6 3 6 3 ...

Page 20: ...CIRCUIT DIAGARM MCU BOARD PART 1 7 1 7 1 ...

Page 21: ...CIRCUIT DIAGARM MCU BOARD MEMORY PART 7 2 7 2 ...

Page 22: ...LAYOUT DIAGARM MCU BOARD TOP VIEW 7 3 7 3 ...

Page 23: ...LAYOUT DIAGARM MCU BOARD BOTTOM VIEW 7 4 7 4 ...

Page 24: ...CIRCUIT DIAGARM POWER AMP BOARD PART 1 8 1 8 1 ...

Page 25: ...CIRCUIT DIAGARM POWER AMP BOARD PART 2 8 2 8 2 ...

Page 26: ...LAYOUT DIAGARM POWER AMP BOARD TOP VIEW 8 3 8 3 ...

Page 27: ...LAYOUT DIAGARM POWER AMP BOARD BOTTOM VIEW 8 4 8 4 ...

Page 28: ...9 1 9 1 CIRCUIT DIAGRAM CD BOARD PART 1 ...

Page 29: ...9 2 9 2 CIRCUIT DIAGRAM CD BOARD HP AMP PART ...

Page 30: ...9 3 9 3 CIRCUIT DIAGRAM CD BOARD LCD PART ...

Page 31: ...LAYOUT DIAGRAM CD BOARD TOP VIEW 9 4 9 4 ...

Page 32: ...LAYOUT DIAGRAM CD BOARD BOTTOM VIEW 9 5 9 5 ...

Page 33: ...10 1 10 1 CIRCUIT DIAGRAM HEADPHONE BOARD LAYOUT DIAGRAM HEADPHONE BOARD TOP VIEW LAYOUT DIAGRAM HEADPHONE BOARD BOTTOM VIEW ...

Page 34: ...CIRCUIT DIAGRAM MOTOR BOARD TOP VIEW 10 2 10 2 CIRCUIT DIAGRAM MOTOR BOARD CIRCUIT DIAGRAM MOTOR BOARD BOTTOM VIEW ...

Page 35: ...CIRCUIT DIAGRAM DOOR SWITCH BOARD TOP VIEW 10 3 10 3 CIRCUIT DIAGRAM DOOR SWITCH BOARD CIRCUIT DIAGRAM DOOR SWITCH BOARD BOTTOM VIEW ...

Page 36: ...1 2 3 6 8 9 10 11 12 13 14 15 16 17 18 19 27 23 26 29 30 31 21 20 22 SET MECHANICAL EXPLODED VIEW 11 1 11 1 ...

Page 37: ...GEAR WHEEL B Note Only these parts mentioned in the list are 17 996510003926 PULLEY SERVO MOTOR normal service parts 18 996510016429 CABINET FRONT 19 996510016430 BUTTON POWER 20 996510016431 BUTTON SET FUNCTION A 21 996510016432 BUTTON SET FUNCTION B 22 996510016433 BUTTON SET NAVIGATION 23 996510016434 FRAME COSMETIC TOP LEFT 24 996510016435 FRAME COSMETIC BOTTOM LEFT 25 996510016436 FRAME COSME...

Page 38: ...269 TACT SWITCH IC702 994000005753 IC D9258PH SW564 996500039269 TACT SWITCH IC703 996510003896 IC TA7291S M MOTOR DRIVER SW565 996500039269 TACT SWITCH IC801 996510016406 IC TDA8932T SW566 996500039269 TACT SWITCH IC802 996510016406 IC TDA8932T SW567 996500039269 TACT SWITCH IC803 996510003731 IC V REGULATOR LD1117 3 3 SW568 996500039269 TACT SWITCH IC804 996510003844 IC VOLTAGE REGULATOR SW569 9...

Page 39: ...03735 X TAL 24 000MHZ 20PF 20PPM ZD601 996510016410 DIODE BZX79 C3V3 SOD27 ZD804 994000005744 ZENER DIODE 5V1 1 2W ZD805 996510012835 ZENER DIODE 5V6 1 2W TC5V6 Note Only these parts mentioned in the list are normal service parts 11 4 ...