Philips MCB240/22 Service Manual Download Page 17 | Manualshive

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CIRCUIT DIAGRAM

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Summary of Contents for MCB240/22

Page 1: ...ct to modification GB 3141 785 30511 Micro System TABLE OF CONTENTS Page Location of PC Boards Versions Variation 1 2 Specifications 1 3 Measurement Setup 1 4 Service Aids Safety Instruction etc 1 5 to 1 6 Lead free Information Service Instruction 1 7 Preparations Controls Troubleshooting 1 8 to 1 10 Disassembly Instructions Service positions 2 Service Test Program 3 1 Set Block Diagram 4 1 Set Wi...

Page 2: ...ital in Matrix Surround RDS x x News x x Dolby Pro Logic DPL Incredible Surround Karaoke Features Voltage Selector ECO Power Standby LCD Display Off x x ECO6 Tuner Board Systems Non Cenelec ECO6 Tuner Board Systems Cenelec DAB Dual Band VERSION VARIATIONS Type Versions MCB240 Features Board in used 22 DAB Single Band x x ...

Page 3: ...v 40kHz 18dB AMPLIFIER Output power L R 2 x 4 8W 4Ω 1kHz 10 THD Frequency response within 3dB 60Hz 16kHz Digital Sound Control DSC Jazz Rock Pop Classic Dynamic Bass Boost DBB ON OFF COMPACT DISC Frequency response within 3dB 80Hz 12kHz Output level in Vrms 500mV Zout 100Ω Signal Noise ratio A weighted 57dBA Crosstalk at 1kHz 26dB Channel difference at 1kHz 2dB Emphasis 15 50 µS switched automatic...

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: ...822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 Anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connector box 1MΩ 4822 320 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat t...

Page 6: ...ectrostatische ontladingen ESD Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen verminderen Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat Houd componenten en hulpmiddelen ook op ditzelfde potentiaal I AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche stat...

Page 7: ...es has to be purchased at external companies Special information for BGA ICs always use the 12nc recognizable soldering temperature profile of the specific BGA for de soldering always use the lead free temperature profile in case of doubt lead free BGA ICs will be delivered in so called dry packaging sealed pack including a silica gel pack to protect the IC against moisture After opening dependent...

Page 8: ...peaker terminals Do not connect speakers with an impedance lower than the speakers supplied Please refer to the SPECIFICATIONS section of this manual plastic protective sheet C Optional connection The optional equipment and connecting cords are not supplied Refer to the operating instructions of the connected equipment for details Connecting other equipment to your system Connect the audio left an...

Page 9: ...eset radio station up down for MP3 CD on the remote only skips to the beginning of a current previous subsequent album TUNE 1 2 S T for DAB scrolls an option list for TUNER tunes to radio stations down up for CD MP3 CD on the remote only fast searches back and forward within a track disc press and hold skips to the beginning of a current previous subsequent track ENTER press to select an option DA...

Page 10: ...tion REPEAT repeats a track album disc program entire disc SHUFFLE plays disc tracks in random order n connects headphones Notes for remote control First select the source you wish to control by pressing one of the source select keys on the remote control for example CD TUNER Then select the desired function for example 2 S T 1 10 ...

Page 11: ...directly toward IR sensor on the front of the system Set the clock correctly Press TIMER to switch on the timer Power has been interrupted or the power cord has been disconnected Reset the clock timer Problème Solution Important notes for users in the U K Mains plug This apparatus is fitted with an approved 13 Amp plug To change a fuse in this type of plug proceed as follows 1 Remove fuse cover an...

Page 12: ...screws H as indicated to loosen the Gear Motor Module 4 Loosen 4 screws I see Figure 4 to remove the Key_C Board 5 Loosen 2 screws J see Figure 4 to remove the Display Board Figure 3 Dismantling of the Front Boards and CD Door 6 Loosen 4 screws K see Figure 3 to remove the Power Key Board 7 Board 8 Lever Bracket Right Left then remove CD door Repair Hints Service Positions Note The flex cables are...

Page 13: ...d The model number and software version now can be shown on the display e g MCB240 for 3 sec then goto version no XXX III Display Segment Test STEP 1 After plug in power within 5 sec on the front panel press PRESET DOWN key first do not release STEP 2 Then press PROGRAM key on the panel two keys are pressed All the LCD display segment will be turned on IV Tuner Alignment Set Test STEP 1 After plug...

Page 14: ...4 1 4 1 SET BLOCK DIAGRAM ...

Page 15: ...5 1 5 1 SET WIRING DIAGRAM ...

Page 16: ...6 1 6 1 Printed Circuit Board Side A POWER BOARD Printed Circuit Board Side A ...

Page 17: ...6 2 6 2 CIRCUIT DIAGRAM ...

Page 18: ...nted to be repaired on component level Circuit Diagram and Printed Circuit Board drawings are published for orientation only In case of defects please replace the entire board The board can be ordered with codenumber 9940 000 02999 for 22 25 ...

Page 19: ...LAYOUT DIAGRAM MAIN BOARD TOP SIDE 7 2 7 2 ...

Page 20: ...7 3 7 3 LAYOUT DIAGRAM MAIN BOARD BOTTOM SIDE ...

Page 21: ...CIRCUIT DIAGRAM MAIN BOARD PART 1 7 4 7 4 ...

Page 22: ...CIRCUIT DIAGRAM MAIN BOARD PART 2 7 5 7 5 ...

Page 23: ...CIRCUIT DIAGRAM MAIN BOARD PART 3 7 6 7 6 ...

Page 24: ...CIRCUIT DIAGRAM MAIN BOARD PART 4 7 7 7 7 ...

Page 25: ...CIRCUIT DIAGRAM MAIN BOARD PART 5 7 8 7 8 ...

Page 26: ...CIRCUIT DIAGRAM MAIN BOARD PART 6 7 9 7 9 ...

Page 27: ...CIRCUIT DIAGRAM MAIN BOARD PART 7 7 10 7 10 ...

Page 28: ...CIRCUIT DIAGRAM MAIN BOARD PART 8 7 11 7 11 ...

Page 29: ...LAYOUT DIAGRAM HEADPHONE BOARD LAYOUT DIAGRAM DOOR SWITCH BOARD 7 12 7 12 CIRCUIT DIAGRAM HEADPHONE BOARD CIRCUIT DIAGRAM DOOR SWITCH BOARD ...

Page 30: ...ntation only In case of defects please replace the entire board The board can be ordered with codenumber 9940 000 03001 for 22 9940 000 03064 for 25 8 1 8 1 DAB ADAPTOR BOARD LAYOUT DIAGRAM POWER KEY BOARD TOP SIDE LAYOUT DIAGRAM POWER KEY BOARD BOTTOM SIDE LAYOUT DIAGRAM VOLUME BOARD TOP SIDE LAYOUT DIAGRAM VOLUME BOARD BOTTOM SIDE ...

Page 31: ...LAYOUT DIAGRAM DAB ADAPTOR BOARD TOP SIDE LAYOUT DIAGRAM DAB ADAPTOR BOARD BOTTOM SIDE 8 2 8 2 ...

Page 32: ...8 3 8 3 CIRCUIT DIAGRAM DAB ADAPTOR BOARD PART 1 ...

Page 33: ...CIRCUIT DIAGRAM DAB ADAPTOR BOARD PART 2 CIRCUIT DIAGRAM POWER KEY BOARD CIRCUIT DIAGRAM VOLUME KEY BOARD 8 4 8 4 ...

Page 34: ...rd drawings are published for orientation only In case of defects please replace the entire board The board can be ordered with codenumber 9940 000 03007 9 1 9 1 LCD BRACKET BOARD LAYOUT DIAGRAM LCD BRACKET BOARD TOP SIDE LAYOUT DIAGRAM LCD BRACKET BOARD BOTTOM SIDE CIRCUIT DIAGRAM LCD BRACKET BOARD ...

Page 35: ...10 1 10 1 NAVIGATION KEY BOARD SPEAKER JACK BOARD LAYOUT DIAGRAM NAVIGATION KEY BOARD TOP SIDE LAYOUT DIAGRAM NAVIGATION KEY BOARD BOTTOM SIDE LAYOUT DIAGRAM SPEAKER JACK BOARD TOP SIDE ...

Page 36: ...CIRCUIT DIAGRAM NAVIGATION KEY BOARD 10 2 10 2 CIRCUIT DIAGRAM SPEAKER JACK BOARD ...

Page 37: ... 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 31 33 37 36 35 38 39 32 41 34 42 43 44 45 46 47 48 49 60 61 62 63 64 65 67 68 71 72 73 74 75 76 60 61 62 63 64 65 66 72 67 68 69 71 73 74 75 76 69 66 SCREW LIST ...

Page 38: ...FOOT L24 5XW6XH1 5 25 9940 000 03015 RUBBER PAD DIA6MMX1 5 27 9965 000 16216 CD DAMPER YELLOW 30DEG 28 9940 000 03057 CD MECHANISM DA23ZPH 29 9965 000 16217 CD DAMPER WHITE 40DEG 31 9940 000 03046 BRACKET FUNCTION KEY 32 9940 000 03025 CAP FUNCTION KEY 33 9940 000 03042 BRACKET PLAY STOP 34 9940 000 03026 CAP PLAY KEY 35 9940 000 03027 CAP STOP KEY 36 9940 000 03043 BRACKET SEARCH ALBUM 37 9940 00...

Page 39: ...REVISION LIST 12 1 1 0 Manual 3141 785 30510 Initial Service Manual released 1 1 Manual 3141 785 30511 In this version Page 11 2 Electrical Parts List of DAB Adaptor Board Ass y added ...

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