Philips MCD703/37 Service Manual Download Page 33

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REVISION LIST

Version 1.0 (3141 785 30930)

* Initial Release MCD703/37

* New versions /98,/55 are introduced.

Version 1.1 (3141 785 30931)

* Page 11-2 : Mechanical parts list adapted.
* Page 12-1 to 12-3 : Electrical parts list adapted.

Summary of Contents for MCD703/37

Page 1: ...nformation about lead free soldering 1 2 Technical specification 2 1 Service tools 2 1 Service measurement setup 2 2 Connections and controls 3 1 3 3 Troubleshooting 3 4 3 5 Disassembly diagram 4 1 4 2 Software version and upgrading 5 1 Set block diagram 5 2 Set wiring diagram 5 3 VFD KEY BOARD ASSEMBLY circuit diagram 6 1 layout diagram 6 2 TUNER BOARD circuit diagram 7 1 layout diagram 7 2 DVD B...

Page 2: ...1 1 HANDLING CHIP COMPONENTS ...

Page 3: ...ies 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 dependen...

Page 4: ...kHz 48kHz 4 Hz 44 kHz 96kHz Digital Output SPDIF Sony Philips digital interface Coaxial No of programmable tracks 20 Signal to noise ratio 50 dBA Channel separation 40 dB 1 kHz Total harmonic distortion 0 02 1 kHz TFT LCD PANEL Number of pixels HXV 280x220 Brightness dark room 150cd m2 Contrast dark room 150 1 LOUDSPEAKERS 2 way bass reflex system Dimension W x H x D 145 x 230 x 210 mm Weight 2 4 ...

Page 5: ...Ω Aerial replacement Capacitor R 50Ω Bandpass 250Hz 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 RF Generator e g PM5326 Ri 50Ω Low pass filter 22kHz L R LEVEL METER e g Sennheiser UPM550 with F...

Page 6: ...PONENT video output jacks to the corresponding component video input jacks or labeled as Pr Cr Pb Cb Y or YUV on the TV IMPORTANT The progressive scan video quality is only possible when using Y Pb Pr and a progressive scan TV is required Proceed to page 17 18 for detailed Progressive Scan setup Option 1 Option 2 Note To avoid magnetic interference do not position the front speakers too close to y...

Page 7: ...erly plug in the AC power cord to the power outlet Never make or change any connection with the power switched on Connecting additional equipment IMPORTANT Some discs are copy protected You cannot record the disc through a VCR or digital recording device When making connections make sure the colour of cables matches the colour of jacks Always refer to the owner s manual of the other equipment for ...

Page 8: ...nd Dolby Digital DTS Digital Theatre Systems or VSS Virtual Surround Sound or stereo sound effect º VOL SEL unavailable for this version selects different speaker modes DSC selects different types of preset sound equalizer settings CLASSIC JAZZ POP or ROCK LOUDNESS enables or disables automatic loudness adjustment CONNECTION AND CONTROLS 7 BAND 9 Disc stops disc playback or erases a program TUNER ...

Page 9: ...ay be causing the noise Increase the distance between the system and your TV or other equipment TROUBLESHOOTING WARNING Under no circumstances should you try to repair the system yourself as this will invalidate the warranty Do not open the system as there is a risk of electric shock If a fault occurs first check the points listed below before taking the system for repair If you are unable to reme...

Page 10: ...emote control at the remote sensor of the unit Reduce the distance to the player Remove any possible obstacles Replace the batteries with new ones Check that the batteries are loaded correctly Press DIM again Place the DVD micro system as far away as possible from electrical devices that may be causing interference Check all speakers for correct polarity Check that the output of the video signal i...

Page 11: ...5 1 5 1 SOFTWARE VERSION AND UPGRADING ...

Page 12: ...5 2 5 2 SET BLOCK DIAGRAM ...

Page 13: ...5 3 5 3 SET WIRING DIAGRAM ...

Page 14: ... S1 5 S15 6 S16 7 S4 8 S5 9 S6 10 S7 11 G2 12 G3 13 G4 14 G1 15 G5 16 NC 17 G9 18 G6 19 G7 20 G8 21 S8 22 S9 23 S10 24 S11 25 S14 26 S13 27 S17 28 S18 29 S19 30 S12 31 VF2 32 VF2 33 VFD701 NE 1300CD 3 G S10 S11 S12 S13 S14 S15 S16 S17 S18 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 S10 S11 S12 S13 S14 S18 G5 G6 G7 G4 G3 G9 G8 S8 S9 G2 G1 G10 1 2 3 4 5 6 CN704 2 0 6P STB1 DATA CLK V GND REM 5V 1 2 3 CN701 2 0 3...

Page 15: ...6 2 6 2 LAYOUT DIAGRAM VFD KEY BOARD ASSEMBLY ...

Page 16: ... 0 33u F C6 3 3u F C1 0 3 3u F C1 1 4 7u F C1 2 0 47u F C1 3 100u F C1 4 100u F C1 7 100P C2 2 223 C2 6 223 C2 3 223 C1 8 100P C2 7 203 C3 2 102 C2 8 103 C2 4 223 C3 3 103 C1 9 102 C2 5 203 C3 5 222 C2 9 103 C3 6 3P C3 7 7P C3 8 36P C3 9 5P C2 0 102 C4 0 36P C3 0 103 C4 1 102 C3 1 103 C4 2 501 C3 4 102 C4 3 18P C2 1 18P C4 4 15P C3 47P R1 47K R7 100k R9 3 3K R1 0 100 R1 2 1K R1 3 1K R1 9 10K R1 4 ...

Page 17: ...7 2 7 2 LAYOUT DIAGRAM TUNER BOARD ...

Page 18: ...841 100 R833 100 R845 100 R829 100 R832 100 C843 101 C834 101 C840 101 CD REM CD REM ROT A ROT B C864 102 C865 102 R850 3 3K R851 1K JP802 0 C867 331 C866 331 VF2 1 CLK 2 VF1 3 DATA 4 10V 5 STB3 6 10V 7 VIDEO G 8 ROT A 9 VIDEO 10 ROT B 11 24V 12 TUNER R 13 CDL 14 CDR 15 GND 16 SCL 17 SDA 18 12V 19 TUNER L 20 GND 21 STANDBY 22 5V 23 MUTE 24 AU L 25 OTG1 26 AU R 27 OTG2 28 OTG3 30 GND 29 CN801 Vi 1 ...

Page 19: ...8 2 8 2 LAYOUT DIAGRAM DVD BLOCK ...

Page 20: ...115 47K HP MUTE MUTE 12V C145 104 M C157 104 M R146 2 2 0 5W R147 2 2 0 5W J104 PST 416 UP RED DOWN BLACK 1 2 4 3 L105 JKB7525_01 AGND 16 5V 16 5V AGND FAN 1 2 4 3 L104 JKB7525_01 MUTE_AMP R180 120 R181 4K7 R182 22K R160 4K7 R161 4K7 OUT L OUT R OUT R OUT L R112 22K AGND OUT ER OUT EL R110 47K C105 22uF C176 221 C177 221 C178 332 C179 332 R162 47K R166 47K OUT L OUT R 1 2 3 4 CN103 4P R133 2201 2W...

Page 21: ...9 2 9 2 LAYOUT DIAGRAM AMP BLOCK ...

Page 22: ... 220pF R132 20k R214 NC 4K7 R193 10k C98 100pF C67 220pF J21 TJC3 8A 2 3 4 5 6 7 1 8 9 10 TP82 R210 0 TP63 R213 NC 4k7 R206 OPEN 0 U16A NJM4558 OPA 3 2 1 8 4 C59 220pF R144 33 R129 100 C102 100pF CE11 47uF 16V L1 FB R138 33 R201 OPEN 0 R89 OPEN 18k R131 47k C68 2200pF R148 5 1k CE44 10uF 10V R157 47k C69 220pF R123 20k R146 20k R143 33 U16B NJM4558 OPA 5 6 7 8 4 CB78 0 1uF CE48 100uF 16V R145 33 R...

Page 23: ...2 2 2k C91 NC C52 NC Q7 2907 TP32 C88 47P R86 NC Q13 2907 TP33 R84 150 1 Q6 2907 C48 NC TP38 L34 1 8uH DIP L28 NC C86 NC TP6 C85 NC L35 1 8uH DIP TP49 C110 NC R92 75 DIP C81 NC TP16 C83 NC C82 NC C92 NC Q16 3906 1 2 3 Q10 2907 Q14 2N3904 1 2 3 Q33 2907 Q31 2N3904 1 2 3 R97 75 DIP R94 150 1 R78 75 DIP R75 150 1 R101 2 2k TP31 C89 47P R91 150 1 TP30 C58 47p TP24 R77 NC R2 10k TP1 R107 1k L33 1 8uH D...

Page 24: ... VCC VSS A4 A5 A6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ11 VCCQ DQ12 DQ13 VSSQ DQ14 DQ15 VSS CB50 0 1uF R64 33 R171 NC L26 NO_USE R55 R R70 4 7K R174 NC R54 R R66 33 CB58 0 1uF U3 SST39VF040 TSOP 20 19 18 17 16 15 14 13 3 2 31 1 12 4 5 11 10 6 9 30 32 7 21 22 23 25 26 27 28 29 8 24 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 CE OE WE DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6...

Page 25: ...rcuit 2 5 Add the low resistance output circuit 5 Add the Audio DAC power to reference filtering 1 USE 1117 1 8V R169 OPEN R170 0 D1 D2 OPEN 2 USE 1117 ADJ R169 2 4K R170 1K D1 D2 OPEN 3 USE D1 D2 U1 R169 R170 OPEN URST V18 DV33 VCC 12V 12V AVCC VCC V33 VCC_AUDIO URST POWER_STB MIC2 MIC_EN LDO_AV33 RFVCC 12V1 DV33 V33 V33 GND V18 P5V P12V PV33 RFV33 5VV SDA SCL URST 2 V18 2 DV33 2 3 4 5 VCC 2 3 4 ...

Page 26: ... 1uF C10 20pF CE22 47uF 16V J1 5x1 W HOUSING DIP5 W H P2 0 1 2 3 4 5 CE17 47uF 16V R52 10k TP101 TP59 TP R29 4 7k R51 20k R39 10 C79 390p TP27 R21 0 CB16 0 1uF TP54 TP R43 1 C41 150pF TP34 TP41 R22 1 CB21 0 1uF C46 0 1uF TP58 TP RN1A 33 TP15 C38 330pF TP57 TP R19 150k CB29 0 1uF CE3 220uF 10v L22 10uH SMD CB41 0 1uF C27 1uF RN1B 33 C37 330pF R183 680 TP60 R4 R TP50 TP2 R33 10K Q2 3904 Y1 27MHz L17...

Page 27: ...10 6 10 6 LAYOUT DIAGRAM DVD MPEG BOARD MPEG board is not repaired program for referrence only ...

Page 28: ...11 1 11 1 1 2 3 4 6 7 8 9 11 12 13 17 14 16 18 19 21 22 23 24 26 27 28 31 32 34 35 36 33 29 AMP PART DVD PART EXPLODED VIEW DIAGRAM ...

Page 29: ...6 SIDE PLATE R 37 12 994000002499 SIDE PLATE R 98 55 MECHANICAL PARTSLIST DVD PART 13 994000002493 DVD UNIT DISPLAY LENS 14 994000002497 POWER MULTI BOTTON 16 994000002495 SWITCH PUSH KNOB 17 994000002505 FUNCTION KNOB METAL RING 18 994000003079 DVD FRONT CABINET 37 18 994000002477 DVD FRONT CABINET 98 55 19 994000002503 DVD UNIT PUSH KEY PLATE 21 994000002506 OVERLAY FOR FUNCTION KNOB 22 99400000...

Page 30: ...FD DISPLAY 994000005068 DOOR SWITCH 994000002513 TUNER PCB ASS Y 994000005071 CPU PCB ASS Y 37 994000005216 CPU PCB ASS Y 98 55 DIODES BD801 994000002521 THYRISTOR RS406 4A D1 994000003154 VARIODE DIODE SCV220 D2 994000003154 VARIODE DIODE SCV220 D3 994000003155 VARIODE DIODE I348 L13 D801 994000002544 RECTIFIER DIODE 5822 LED 994000002537 LED LAMP BLUE 994000005215 LED DIODE RED 98 55 COILS FILTE...

Page 31: ...01 994000002518 TRANSISTOR 8050C 5 Q804 994000002518 TRANSISTOR 8050C 5 Q802 994000002519 TRANSISTOR 8550C 5 U802 994000002546 IC YD2576 ADJ U803 994000002548 IC LM7805 LM340T5 7805 U804 994000002549 CPU U252 3P9228 XYZ U807 994000002547 IC AT24C02 PC27 2 7V Note Only these parts mentioned in the list are normal service parts ...

Page 32: ...120V 60 37 994000005217 POWER TRANSF 120 230V 98 55 994000003078 AC LINE CORD 1 95m 37 994000005218 AC LINE CORD 1 95m 98 55 994000005064 AMP PCB ASS Y 37 994000005219 AMP PCB ASS Y 98 55 DIODES ZD107 994000002515 ZENER DIODE 3V 1 2W 52 DZ1300 994000003417 ZENER DIODE 5 6V 1 2W 52 D101 994000002521 THYRISTOR RS406 4A D101 994000003502 THYRISTOR RS808 98 55 IC TRANSISTORS Q100 994000002518 TRANSIST...

Page 33: ...SION LIST Version 1 0 3141 785 30930 Initial Release MCD703 37 New versions 98 55 are introduced Version 1 1 3141 785 30931 Page 11 2 Mechanical parts list adapted Page 12 1 to 12 3 Electrical parts list adapted ...

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