Philips MCM 275 Скачать руководство пользователя страница 48 | Manualshive

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LAYOUT DIAGRAM - CD&MCU BOARD

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Содержание MCM 275

Страница 1: ...or by any means electronic mechanical photocopying or otherwise without the prior permission of Philips Published by SL 0733 Service Audio Printed in The Netherlands Subject to modification Micro System 3141 785 30334 Version 1 4 ServiceManual all versions From week 714 onwards the CD Mechanism was changed to Dayang M93 New CD MCU Board was used to match with the new CDM Please refer chapter 1 to ...

Страница 2: ...rix 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 x ECO6 Tuner Board Systems Cenelec x x USB Direct VERSION VARIATIONS Type Versions MCM275 Features Board in used x x 05 x x x x x VERSION VARIATIONS ...

Страница 3: ... 18dB IF rejection 45dB Image rejection 28dB Distortion at RF 50mV M 80 5 AMPLIFIER Output power L R 2 x 5 0W 4Ω 1kHz 10 THD Frequency response within 3dB 50Hz 16kHz Digital Sound Control DSC Jazz Rock Pop Classic Input sensitivity Aux in at 1kHz 500mV at 600 Ω Output sensitivity Headphone output at 32 Ω 10mW 2dB Max vol COMPACT DISC Frequency response within 3dB 125Hz 16kHz Output level in Vrms 5...

Страница 4: ...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 50Ω Bandpass 250Hz 15kHz e g 7...

Страница 5: ...t 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 Connectorbox 1MΩ 4822 395 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to Connect product to mat or box 4822...

Страница 6: ...n osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spécia listes ...

Страница 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...

Страница 8: ...ting press STOP 9 Helpful hints The clock setting will be erased when the system is disconnected from the power supply The set will exit from the clock setting mode if no button is pressed within 90 seconds To set the clock automatically by using a time signal which is broadcast together with the RDS signal see chapter RDS Automatic clock setting via RDS USB Using the remote control IMPORTANT Remo...

Страница 9: ...nnected appliance In standby or Eco Power mode switches the set on and selects the audio input from an additional connected appliance 3 VOLUME adjusts the volume level Clock Timer adjusts the hours and minutes 4 TIMER displays the timer setting switches the timer on off enters the timer setting mode press and hold for more than 2 seconds 5 SLEEP set the sleep timer 6 MUTE switches the sound off te...

Страница 10: ...ou will hear a click See Appendix How to mount your MCM275 onto walls to learn more about wall mounting Mounting MCM275 onto walls Installation MW loop antenna Speaker left Speaker right FM wire antenna AC power cord Rear connections Warning Never make or change connections with the mains supply switched on Install your set near the AC outlet and where the AC power plug can be reached easily A Spe...

Страница 11: ...lied to connect the card reader to the socket on the set s foldable control panel Installation Using AC power 1 Make sure all the connections have been made before switching on the power supply 2 Connect the AC power cord to the wall socket This switches on the power supply When MCM275 is switched to standby it is still consuming some power To disconnect the system from the power supply completely...

Страница 12: ... antenna or connect an external antenna for better reception Increase the distance between the Micro HiFi System and your TV or VCR Remove and reconnect the AC power plug and switch on the system again Adjust the volume Disconnect the headphones Check that the speakers are connected correctly Check if the stripped speaker wire is clamped Make sure the MP3 CD was recorded within 32 256 kbps bit rat...

Страница 13: ...e Rear Portion and PCBs Figure 3 Figure 2 Dismantling the Rear Portion and PCBs 5 Loosen 2 screws E to remove the Bracket Jack Board as shown in Figure 4 6 Loosen 3 screws F to remove the Main Board as shown in figure 5 Figure 4 Figure 5 Figure 1 Dismantling of the Display Lens the Volume knob 1 Use a flat head screw driver to give a push in the direction as shown in figure 6 Figure 6 2 Place two ...

Страница 14: ... Loosen 5 screws J mounting the Key Board to the Front Cabinet to remove the Key Board as shown in figure 8 2 Loosen 4 screws H and 3 screws G to CD Module as shown in figure 8 3 Loosen 2 screws I to remove the Servo Motor Mechanism as shown in figure 8 Figure 8 4 Loosen 4 screws K to remove the Right CD Door Carrier and 4 screws L to remove the Left CD Door Carrier as shown in figure 9 Figure 9 S...

Страница 15: ...d 5V Display shows ADC3 Value for ADC3 Input Line Door switch status Y Y N N Display shows Table 1 KEY TEST Button pressed 9 Button pressed Display shows the MCU version MCU Vyy Main menu V refers to Version yy refers to Software version number of the uProcessor counting up from 01 to 99 To enter Service Testprogram hold PLAY Door Open Close buttons depressed while plugging mainscord in Door switc...

Страница 16: ...4 1 4 1 SET BLOCK DIAGRAM ...

Страница 17: ...5 1 5 1 SET WIRING DIAGRAM ...

Страница 18: ...PAUSE DETECTOR MULTI PATH DETECTOR CLOCKED COMPARATOR SIGNAL QUALITY DETECTOR RDS RDBS DEMODULATOR INTERFACE REGISTER POWER SUPPLY AND RESET TEST CONTROL C10 C9 100 nF DAVN data available pause output multi path output 8 7 19 18 11 2 9 10 V N I C T U O C S DDD 560 pF OSCILLATOR AND CLOCK I 2 C BUS SLAVE TRANSCEIVER I 2 C BUS RDS RDBS DECODER multiplex input audio inputs level input 4 4 SAA6588 TCO...

Страница 19: ...ef 17 refHUHQFH vROWDJH RXWSXW SCOUT 18 EDQG SDVV OWHU RXWSXW CIN 19 FRPSDrDWRU LQSXW LVIN 20 levHO LQSXW SYMBOL PIN DESCRIPTION MRO MPTH TCON OSCO OSCI VSSD VDDD SDA SCL LVIN CIN SCOUT Vref VSSA VDDA MPX AFIN MAD 1 2 3 4 5 6 7 8 9 10 11 12 20 19 18 17 16 15 14 13 MGK534 DAVN PSWN SAA6588T PIN DESCRIPTION RDS RBDS PRE PROCESSOR SAA6588T BLOCK DIAGRAM mute stand by switch input MLC351 output 1 15 k...

Страница 20: ...NDOW DETECTOR LAST STATION MEMORY AM FM INDICATOR IN LOCK DETECTOR FM DETECTOR PILOT DETECTOR CHARGE PUMP MULTIPLEXER CRYSTAL OSCILLATOR SHIFT REGISTER FM FRONT END FM OSCILLATOR FM IF2 FM IF1 FM MIXER SEQUENTIAL CIRCUIT STATUS REGISTER AM FRONT END AM OSCILLATOR AM DETECTOR V I CONVERTER AM MIXER AM IF AGC AFC hard mute level PLL DECODER MATRIX SDS MUTE up down level RFGND DATA BUS CLOCK WRITE EN...

Страница 21: ...l a t s y r c 5 2 L A T X d n u o r g l a t i g i d 6 2 D N G D BUS CLOCK 27 bus clock input t u p t u o t u p n i a t a d s u b 8 2 A T A D WRITE ENABLE 29 bus write enable input 0 P t r o p t u p t u o e l b a m m a r g o r p 0 3 0 P 1 P t r o p t u p t u o e l b a m m a r g o r p 1 3 1 P t i u c r i c C L z H k 0 5 4 2 3 C F A 0 3 3 l a c i p y t e c n a d e p m i t u p n i 2 t u p n i F I M F ...

Страница 22: ... e d o e r e t s 1 1 I X P M t u p n i r e t l p o o l 2 1 I F L t u p n i e t u m 3 1 E T U M k 3 4 l a c i p y t e c n a d e p m i t u p t u o t u p t u o l e n n a h c t f e l 4 1 O L F A k 3 4 l a c i p y t e c n a d e p m i t u p t u o t u p t u o l e n n a h c t h g i r 5 1 O R F A t u p n i r e t l r o t c e t e d t o l i p 6 1 L I F L I P e g a t s X P M d n a r o t c e t e d F I f o d n u...

Страница 23: ...LAYOUT DIAGRAM MAIN BOARD 5757 for 37 98 TOP SIDE 6 6 6 6 ...

Страница 24: ...6 7 6 7 LAYOUT DIAGRAM MAIN BOARD 5757 for 37 98 BOTTOM SIDE ...

Страница 25: ...CIRCUIT DIAGRAM MAIN BOARD 5757 for 37 98 6 8 6 8 ...

Страница 26: ...6 9 6 9 LAYOUT DIAGRAM MAIN BOARD 5762 for 05 12 TOP SIDE ...

Страница 27: ...LAYOUT DIAGRAM MAIN BOARD 5762 for 05 12 BOTTOM SIDE 6 10 6 10 ...

Страница 28: ...CIRCUIT DIAGRAM MAIN BOARD 5762 for 05 12 6 11 6 11 ...

Страница 29: ...6 12 6 12 LAYOUT DIAGRAM HP JACK BOARD TOP SIDE LAYOUT DIAGRAM HP JACK BOARD BOTTOM SIDE CIRCUIT DIAGRAM HP JACK BOARD ...

Страница 30: ... 78L05 REGULATOR VC403 9940 000 01615 TRIMMER CAP 10PF N450 VR401 9940 000 04232 VAR RES 100K 3P 1 10W X401 9940 000 04231 CRYSTAL 75KHZ DT381 XR11 9940 000 04238 CRYSTAL 4 332MHZ Note Only these parts mentioned in the list are normal service parts Q631 9940 000 02642 TRANSISTOR 3CA8550 Q803 9940 000 04218 TRANS PHP20N06T RF401 9940 000 04237 FM MODULE FE450 G11 T401 9940 000 04518 AM IFT 7MM C712...

Страница 31: ...1 CD MCU BOARD TABLE OF CONTENTS Main Board Layout Top View 7 2 Main Board Layout Bottom View 7 3 Circuit Diagram CD Part 7 4 Circuit Diagram MCU Part 7 5 Layout Diagram SW Board 7 6 Electrical Parts List 7 6 ...

Страница 32: ...LAYOUT DIAGRAM CD MCU BOARD TOP SIDE 7 2 7 2 ...

Страница 33: ...7 3 7 3 LAYOUT DIAGRAM CD MCU BOARD BOTTOM SIDE ...

Страница 34: ...7 4 7 4 CIRCUIT DIAGRAM CD MCU BOARD CD PORTION ...

Страница 35: ...CIRCUIT DIAGRAM CD MCU BOARD MCU PORTION 7 5 7 5 ...

Страница 36: ...LAYOUT DIAGRAM SW BOARD TOP SIDE 7 6 7 6 LAYOUT DIAGRAM SW BOARD BOTTOM SIDE ...

Страница 37: ...t controller and the HT1622 are all enabled 2 RD I READ clock input with Pull high resistor Data in the RAM of the HT1622 are clocked out on the rising edge of the RD signal The clocked out data will appear on the data line The host con troller can use the next falling edge to latch the clocked out data 3 WR I WRITE clock input with Pull high resistor Data on the DATA line are latched into the HT1...

Страница 38: ...LAYOUT DIAGRAM AC POWER BOARD TOP SIDE 8 2 8 2 LAYOUT DIAGRAM AC POWER BOARD BOTTOM SIDE ...

Страница 39: ...8 3 8 3 CIRCUIT DIAGRAM AC POWER BOARD ...

Страница 40: ...OARD TOP SIDE LAYOUT DIAGRAM AC SOCKET BOARD BOTTOM SIDE LAYOUT DIAGRAM DOOR MOTOR BOARD TOP SIDE LAYOUT DIAGRAM DOOR MOTOR BOARD BOTTOM SIDE LAYOUT DIAGRAM RC BOARD TOP SIDE LAYOUT DIAGRAM RC BOARD BOTTOM SIDE CIRCUIT DIAGRAM RC BOARD ...

Страница 41: ...LAYOUT DIAGRAM DISPLAY BOARD TOP SIDE 8 5 8 5 LAYOUT DIAGRAM DISPLAY BOARD BOTTOM SIDE CIRCUIT DIAGRAM DISPLAY BOARD ...

Страница 42: ...8 6 8 6 LAYOUT DIAGRAM KEY BOARD TOP SIDE LAYOUT DIAGRAM KEY BOARD BOTTOM SIDE CIRCUIT DIAGRAM KEY BOARD ...

Страница 43: ...CIRCUIT DIAGRAM SP ANT BOARD 8 7 8 7 LAYOUT DIAGRAM SP ANT BOARD TOP SIDE LAYOUT DIAGRAM SP ANT BOARD BOTTOM SIDE ...

Страница 44: ...30V 05 12 T901 9940 000 04431 POWER TRASFO AC115 230V 98 Note Only these parts mentioned in the list are normal service parts VR701 9940 000 04258 ROTARY ENCODER 9940 000 04251 EC TERMINAL 1P F901 9940 000 04243 FUSE PTU 1A 250V 3 9X10 5MM 37 98 RL901 9940 000 04246 RELAY DC6V AC10A 05 12 37 ...

Страница 45: ...9 1 9 1 SET MECHANICAL EXPLODED VIEW 1 ª º 2 4 7 8 9 3 5 6 ...

Страница 46: ... 37 13 9940 000 04317 GEAR WHEEL A 14 9940 000 04318 GEAR WHEEL B 15 9940 000 04325 BELT MOTOR 17 9940 000 04292 CABINET REAR 17 9940 000 04416 CABINET REAR 37 17 9940 000 04435 CABINET REAR 98 18 9940 000 04327 RUBBER A DIA 10X2 21 9940 000 04326 RUBBER FOOT DIA 12X4 22 9940 000 04323 CD DAMPER BLACK 20DEG 24 9940 000 01664 DAMPER GEAR ASSEMBLY 26 9940 000 05312 CATCH ASSEMBLY Note Only these par...

Страница 47: ...9 1 9 1 SET MECHANICAL EXPLODED VIEW 1 ª º 2 4 7 8 9 3 5 6 ...

Страница 48: ...10 2 10 2 LAYOUT DIAGRAM CD MCU BOARD TOP VIEW ...

Страница 49: ...10 3 10 3 LAYOUT DIAGRAM CD MCU BOARD BOTTOM VIEW ...

Страница 50: ...10 4 10 4 CIRCUIT DIAGRAM CD MCU BOARD CD PORTION ...

Страница 51: ...10 5 10 5 CIRCUIT DIAGRAM CD MCU BOARD MCU PORTION ...

Страница 52: ...TILAYER 2 2UH 210MA 10 L159A 994000004226 RAD AXIAL IND 100UH 3 5R L302 994000004289 TOROIDAL COIL 220UH 10 L303 994000004226 RAD AXIAL IND 100UH 3 5R L304A 996510006488 INDUCTOR 10UH 10 0 1R Q100 994000004275 TRANSISTOR 2SB709A Q103 994000004223 TRANSISTOR 3CA8550 HFE 120 220 Q106 994000004224 TRANSISTOR 3DA8050 HFE 120 200 Q107 994000004223 TRANSISTOR 3CA8550 HFE 120 220 Q502 994000004267 TRANSI...

Страница 53: ...d to Mechanical and Accessories Parts List as below 26 9940 000 05312 Catch Assembly and replace 9940 000 03371 Hook Cassette Door 9940 000 03384 Spring Torsion Left and 9940 000 04298 Bracket Cassette Recloser in Partslist 1 3 Manual 3141 785 30333 In this version Set Exploded View Page 9 1 and Mechanical Accessories Partslist Page 9 2 have been updated the Stand Portion has been added to Mechani...

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