Philips-MCD-268-Service-Manual(1) 电路图 维修手册.pdf

《Philips-MCD-268-Service-Manual(1) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Philips-MCD-268-Service-Manual(1) 电路图 维修手册.pdf（36页珍藏版）》请在收音机爱好者资料库上搜索。

1、DVD Micro System MCD268 TABLE OF CONTENTS 3141 785 32520 DB 0811 2008 Location of PCBS . 1-1 Specifications. 1-2 Measurement Setup . 1-3 Service Aids, Safety Instruction, etc. . 1-4 Instructions On CD Playability . 1-5 to 1-6 Software Version Check & Upgrade. 2-1 Malfuction Check Chart . 2-2 Disasse

2、mbly Diagram. 3-1 Block Diagram . 4-1 Wiring Diagram. 4-2 VFD Board .5 Circuit diagram . 5-1 Layout diagram. 5-2 Tuner Board.6 Circuit diagram . 6-1 Layout diagram. 6-2 Headphone Board .7 Power Board.8 Circuit diagram .8-1.8-2 Layout diagram. 8-3 Decode Board .9 Circuit diagram .9-1.9-6 Layout diagr

3、am.9-7.9-8 Explode View. 10 Service Partlist . 11 Factory Partlist . 12 RadioFans.CN 收音机爱 好者资料库 Location of PCBS 1-1 HEADPHONE BOARD DISPLAY BOARD DECODE BOARD TUNER BOARD VERSION VARIATIONS : Type /Versions: Features Board in used: MCD268 Service policy DISPLAY BOARD TUNER BOARD HEADPHONE BOARD POW

4、ER BOARD DECODE BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /55 /55 /58 /58 /61 /61 /79 /79 /93 /93 /94 /94 /96 /96 /98 /98 /37 /37 /12 /12 /05 /05 Feature diffrence RDS VOLTAGE SELECTOR ECO STANDBY - DARK CCC M M M M M M M M M M M M Type /Versions: MCD268 RadioFans.CN

5、收音机爱 好者资料库 AMPLIFIER Rated Output Power .2 x 45W RMS Signal-to-noise ratio. 65 dBA Frequency response . 100Hz 15KHz, 3 dB Aux Input.0.5V RMS 47kohm DISC LaserType. Semiconductor Disc Diameter. 12cm/8cm Support Disc . .DVD,DivX,CD-DA,CD-R,CD-RW,MP3-CD,WMA-CD Audio DAC .24Bits / 44.1kHz Total Harmonic

6、 Distortion. 65dBA TUNER FMTuning Range.87.5 108 MHz Tuning grid .100K/50KHz Sensitivity Mono, 26dB S/N Ratio . 5uV Stereo, 46dB S/N Ratio. 100uV Selectivity.26dB Image Rejection .26dB Total Harmonic Distortion. 65dBA SPEAKERS Speaker Impedance . 4ohm Speaker Driver, base.4.5 Speaker Driver, tweeter

7、 . 3 Frequency Response. 60 - 20 KHz GENERAL INFORMATION Total Output power . 90W RMS AC Power Operation Power Consumption . 52W Standby Power Consumption.4W Eco Standby Power Consumption . P O W E R ON L O = P O W E R O FF UR S T# D V D / ON D V D / ON UR S T# D V D / ON UR S T# 2 + P 2 2V V CC R F

8、 V 33 V 33 D V 33 D V 33 + 5 VV V CC _ T UN V CC V 33 V 18 D V 33 V CC AV CC F B 1 F B / 1206 L1206B L38 FB 2 Y C B 72 0 . 1uF R 127 390 C B3 0 . 1uF C B 73 0 . 1uF R 200 10k C B 82 NC / 0 . 1uF C 0603B D 16 BA V 99 L37 F B / D IP R 125 750 R 130 NC / 1M + C E 31 220u F / 16v C B 77 0 . 1uF + C E 34

9、 220u F / 16V C AP - 6 . 3 X 7MM Q 15 3904 2 1 3 D 15 1 N 4148 1 2 R 120 1k R 126 20K R 0603B + C E 35 100u F / 16V C B 58 0 . 1uF R 128 10K L42 47u H _3A C B 74 0 . 1uF C B 80 0 . 1uF R 123 3 . 3K U 11 AP 15 01 2 1 3 4 5 V O UT V IN G D N B F D S R 124 27K C 57 0 . 1uF C 76 0 . 01uF L36 FB C B 78 0

10、 . 1uF L35 FB + C E 36 1000u F / 10V L4 FB C B 81 0 . 1uF R 11 9 1K R 122 10K R 118 10k + C E 30 220u F / 16v R 129 4 . 7K R 0603B U 12 C E M9 435A S O 8 NB 1 2 3 4 5 6 7 8 S S S G D D D D L4 1 F B / 1206 / NC L1206B C 56 0 . 1uF U7 A Z 1117 H - 3 . 3V S O T 223 1 2 3 4 G D N O U T1 IN O U T2 U 13 A

11、 Z 1117 H - A DJ S O T 223 1 2 3 4 A J D O U T1 IN O U T2 + C E 29 220u F / 16V + C E 33 100u F / 35V + C E 37 220u F / 16V C B 79 0 . 1uF C 0603B 3 Y Q 16 2 N 3904 2 1 3 D 19 SK 34 1 2 + C E 28 10u F / 16v DECODER BOARD - Circuit Diagram - 2 9-29-2 Differential S ignal ! No Through H ole ! 100 ohm

12、- Imp edance 100 ohm - Impe dance Closed to MT1392 Po wer Pin ! No Through H ole ! Differential Si gnal ! 1392_ V CK T X 2+ H D P G P O 0 1 T X 2- T X 0- T X C- T X 1+ T X 1- T X C+ T X 0+ G P 9 O T X 0+ T X 1- T X 1+ T X 0- F _ T X 2+ F _ T X 1+ 92_ AV DD3 T X C- F _ T X C- F _ T X C+ T X 2+ T X 2-

13、 H PD F _ T X 0- F _ T X 0+ F _ T X 2- T X C+ 92 P LL / AV DD3 H D M I _ V CC F _ T X 1- 92 P LL / AV DD3 2 9 P L L / V A 3 D D M S CK M SD M D S M S K C O X C0 C1 C3 C2 C5 C4 C7 C6 Y1 Y2 Y6 Y3 Y5 Y4 Y7 Y0 A C K L V _ R V / V _ B U / V _ Y / G P S A D F I V # 1 0 6 V CK S C L / D D V S D A / D D V P

14、 W # N D H # 1 0 6 H D M I _ S DA H D M I _ S CL XO R U S # T 92_ D V 33 D V DD 18 92 D A C _ AV DD3 92_ D V 33 D V DD 18 92_ D V 33 V CC 92_ AV DD3 92 D A C _ AV DD3 92_ D V 33 D V DD 18 D V 33 V 18 D V 33 L32 FB R 111 1k C 54 0 . 1 uF C B 55 0 . 1 uF D8 ES D / NC D6 ES D / NC C B 60 0 . 1 uF D 13

15、ES D / NC R 108 10k R 7 0 1 0 0 1 C B 54 0 . 1 uF + C E 24 100 u F / 16v C B 56 0 . 1 uF R 98 560 D9 ES D / NC C B 62 0 . 1 uF C 55 5600pF L31 FB C B 65 0 . 1 uF C B 68 0 . 1 uF L26 FB R 6 0 1 0 0 1 R 1 0 2 K 1 R 109 1 k / NC D 10 ES D / NC D 14 ES D / NC D5 ES D / NC L29 FB L28 FB U9 M T 1392 E H D

16、 M I T X P R O C ESS OR SP Q F P 80 / S MD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 2 2 3 2 5 2 4 2 6 2 7 2 8 2 9 2 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 0 4 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 0 7 1 7 2 7 3 7 4 7 5 7 6 7 7

17、7 8 7 9 7 0 8 D VSS C0 C1 C2 C3 C4 C5 C6 C7 D V DD 33 V CK D VSS Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 S S K C D S S D V D D 8 1 R T S P W N D C K L I T N D S S V A 7 G / P 0 O A 6 G / P 1 O T R P A 2 G / P 2 O T R P A 1 G / P 3 O T R P A 0 G / P 4 O M S C K G / P 5 O M S D G / P 6 O G P 7 O G P 8 O G P 9 O G P O

18、 0 1 H T P G L AVSS P LL C0 P LL C1 AV DD AV DD AVSS AVSS T C K- T C K+ AV DD T X 0- T X 0+ AVSS T X 1- T X 1+ AV DD T X 2- T X 2+ AVSS S W I NG V A D D V R F E S F S S V A V A D D S S V A V A D D G S S V A B R P S D F I A 3 D A 2 D A 1 D A 0 D A K C B A K C A L K C R D V D D 8 1 C B 67 0 . 1 uF P1

19、H D M I -1 H D M I T Y PE -A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2 2 1 2 0 2 3 2 + C E 26 100 u F / 16V D 12 ES D / NC C B 59 0 . 1 uF R 100 0 C B 57 0 . 1 uF R 104 NC + C E 27 47 u F / 16v R 110 1k R 102 1 . 5K L33 FB L34 FB D 11 ES D / NC C B 69 0 . 1 uF C B 70 0 . 1 uF D7 ES D / NC R

20、103 1 . 5K C B 61 0 . 1 uF C B 66 0 . 1 uF L27 FB R 99 510 R 101 0 / NC L30 FB DECODER BOARD - Circuit Diagram - 3 9-3 9-3 AUDIO I/F VIDEO I/F M U T E _ C i r c u it AUDIO I/F VIDEO OUT D V D / M U TE D V D / M U TE C O A X I AL A U D I O _ M U TE D V D / M U TE C O A X I AL D V D - R IN AL R /V V _

21、 G/Y C VBS D V D - L IN A U D I O _ M U TE AR C VBS B /U G/Y ASP D IF V _ B /U D V D - L IN R /V V _ C VBS V _ G/Y G/Y D V D - R IN D V D / M U TE V _ C VBS V _ R /V AR V _ R /V B /U ASP D IF V _ B /U AL A U D I O _ M U TE AL B /U V _ B /U R /V D V D - L IN V _ C VBS AR C O A X I AL C VBS D V D / M

22、U TE ASP D IF D V D - R IN G/Y V _ R /V V _ G/Y + 22V + 5 VV + 5 VV SD33 + 5 VV + 5 VV + 5 VV + 5 VV R 70 1K C B 50 0 . 1uF R 79 160 1% L20 FB R 92 160 1% R 82 2 . 2K Q6 2 N 3904 2 1 3 C 51 47pF Q7 2 N 3904 2 1 3 R 71 3 . 3K D3 1 N 4148 / S MD 1 2 R 81 10K L23 1 . 8u H / S MD R 72 100K R 87 10K Q 12

23、 2 N 3906 2 1 3 C B 52 0 . 1uF + C E 22 100u F / 1 0V R 90 3 . 3K R 68 2 . 2k R 66 2 . 2K D2 1 N 4148 / S MD 1 2 R 84 75 1% + C E 17 10u F / 16V C E 16 10u F / 08 05 C E 72 10u F / 08 05 C B 51 0 . 1uF R 94 100 L22 FB R 86 1 K / 0805 C 44 47pF R 75 75 1% R 69 O PEN C B 53 0 . 1uF R 88 33 L24 1 . 8u

24、H / S MD R 62 O PEN R 74 2 . 2K C 48 47pF L2 5 1 . 8u H / S MD C 45 560P R 64 100K C E 71 10u F / 08 05 R 93 2 . 2K Q 13 2 N 3906 2 1 3 R 85 10K C 43 47pF R 60 2 . 2k D4 4 . 3 V / S MD C 47 47pF R 80 1M L21 1 . 8u H / S MD R 83 43K + C E 21 10u F / 35V C 53 330pF Q8 2 N 3904 2 1 3 R 73 160 1% R 89 1

25、0K C E 18 10u F / 08 05 R 76 0R Q 10 2 N 3904 2 1 3 + C E 15 10u F / 16V C 49 47pF R 77 NC + C E 20 100u F / 3 5V C 52 47pF R 61 3 . 3K C 50 0 . 1uF Q 14 2 N 3904 2 1 3 Q 11 2 N 3904 2 1 3 C 46 47pF C 42 560P C E 70 10u F / 08 05 R 78 3 . 3K R 95 75 1% R 63 1K Q9 2 N 3904 2 1 3 R 65 160 1% D1 1 N 41

26、48 / S MD 1 2 R 91 100 R 67 75 1% C E 19 10u F / 08 05 DECODER BOARD - Circuit Diagram - 4 9-4 9-4 TSOP 48 pin USB A D B D A C V DD3 V 1 4 P T xD A 7 D D A C V DD3 A7 J I O F T M A4 D 2 Q A O I 0 A A 4 1 A L K C R U P 1 _ 3 P W # R A 0 D F OO O PO E R A D Q M1 M A3 R U S # T S V B T P # D R A 2 D B

27、R F V DD3 A5 F MO L A R F V 3 D D M A2 M A5 D 1 Q D Q 0 M A 6 1 V 20 L D O1 C S D A / D D V A 4 D A 7 1 A 2 1 O P+ C AS# M A7 R I A 5 D A4 T CK A 3 D 9 A D 0 Q D 6 Q A6 A 6 D A 1 1 V 1 P4 V 2 P8 D M DI P S A D F I M A6 P C # E O P- P A L L V 3 D D J I N F T W E# D 5 Q S C L / D D V T MS A 3 1 A 0 2

28、D A C V 3 D D C S# BA0 M A 11 D 4 Q S V K C A 0 1 A 5 1 D MO A D IN R F V 8 1 P L L V 3 D D M A8 D Q 5 1 U P 0 _ 3 A 19 R F V 18 BA1 M A 10 M A0 D A C V DD3 D Q 4 1 T D X T E Z I S LV R F V 3 D D L D O2 A D A C V D D P LL V DD3 M A9 R F V 3 D D A3 A 18 A8 F R AS# M A1 DC LK D Q8 D 3 Q S V A D 1 A A

29、1 D A2 A Y U V0 DC KE D 7 Q R D X T RO P W # N D D Q 3 1 D Q 0 1 D Q 1 1 D Q 2 1 D 9 Q V 18 R F V DD3 C A D7 A9 P RD# A 17 A5 A1 A0 A2 A D3 A 20 A 14 A 15 A7 P C E# A 11 A8 A3 P W R# A D5 A D1 A 18 A 10 A 13 A D4 A D0 A 19 A D6 A 16 A4 A6 A D2 A 12 V 2 P8 V 20 V 1 P4 R FO D Q3 DC KE M A7 M A1 M A9 D

30、 Q2 R AS# D Q8 M A6 M A0 D W E# BA0 D Q 10 D Q M1 M A5 M A 11 D Q M0 D BA1 DC AS# D Q9 M A4 D Q 12 DR AS# D Q 11 M A8 M A2 BA1 S DC KE D Q4 DC S# M A3 C AS# D Q 14 M A 10 D Q6 D Q7 C S# D Q1 D BA0 D Q 15 D Q 13 D Q0 D Q5 S DC LK W E# AP LL V DD3 A D A C V DD D A C V DD3 J I TFN J I TFO IR VS CK / O

31、I U B S S D - N O XI X T A LI X T A I L I X O X D V D / R EM D V D / S TB D V D / C LK D V D / D A TA VS TB I O/ U SB I O _ U SB S D - ON S D /ON T MS T R IN U SBV DD U SBP I O _ U SB D V D / C LK S D /ON T R IN U SBM D V D / D A TA D V D / S TB D V D / R EM VS DA R xD DC LK S DC LK C1 C2 C6 C3 C5 C

32、4 C7 C0 Y7 Y3 Y0 Y1 Y5 Y2 Y4 Y6 V _ C VBS V _ G/Y V _ B /U V _ R /V U SBM U SBP L A R A I O _18 A D U O I _ M U E T V CK A C K L V 1 0 6 # H 1 0 6 # P S A D F I P W # N D D H M I _ S L C D H M I _ S A D S C L / D VD S D A / D VD E F M DI L D O2 L D O1 D A B C R FO V 1 P4 V 20 O PO O P- O P+ F OO T R

33、O D MO F MO A O I R U S # T A D IN T CK XO D V D / C LK D V D / D A TA D V D / R EM I O _ U SB T R IN U SBP D V D / S TB S D /ON U SBM R F V 33 V 18 D V 33 V 18 V 18 V 18 D V 33 D V 33 V 18 D V 33 V 33 D V 33 S D 33 D V 33 AV CC D V 33 D V 33 D V 33 D V 33 D V 33 D V 33 D V 33 D V 33 S D 33 V 18 D V

34、 33 D V 33 R 2 4 0 / C N U4 ES M T M 12L6 4164 A - 7T T S O P 54 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 V CC D Q0 D Q1 VSSQ D Q2 D Q3 V CCQ D Q4 D Q5 VSSQ D Q6 D Q7 D Q ML WE C AS R AS C

35、S A 11 A 10 / AP A0 A1 A2 A3 V CC VSS A4 A5 A6 A7 A8 A9 NC C KE C LK D Q MH NC V CCQ D Q8 D Q9 VSSQ D Q 10 D Q 11 V CCQ D Q 12 D Q 13 D Q 14 D Q 15 VSS BA 0 / A 13 BA 1 / A 12 V CCQ VSSQ V CC VSS C 40 100pF C B7 0 . 1uF R 186 4 . 7K C B 43 0 . 1uF C B 41 0 . 1uF C B 14 0 . 1uF R 49 33 C 3 2 0 . F u

36、7 4 0 C 31 1uF C B 34 0 . 1uF R 1 4 0 / C N C 14 20pF C 77 O PEN C 18 10u F / 08 05 U 2A 74 H C 04 1 2 4 1 7 L13 FB + C E 14 47u F / 16v L11 10uH L17 33R C B 30 0 . 1uF L19 2 . 2K C E6 10u F / 08 05 C B 20 0 . 1uF C B 23 0 . 1uF C E 10 10u F / 08 05 R 187 4 . 7K R 57 10k C 28 1uF C 29 1uF R 44 6 .8

37、R 48 1k C 5 1 p 0 0 0 1 F L14 FB R 50 33 C B9 0 . 01uF C 11 10u F / 08 05 C B 25 0 . 1uF R 3 4 2 . k 2 C B 19 0 . 1uF L10 10uH L16 33R R 189 4 . 7K C 6 2 0 . F u 1 C B 18 0 . 1uF C B 45 0 . 1uF C B 22 0 . 1uF C B 47 0 . 1uF C 17 1uF C 35 0 . 1uF C B 35 0 . 1uF Y1 27 M Hz Pin Assign ment v1.5 MT1389H

38、D U3 M T 1389 HD 2 0 5 2 3 4 5 1 2 5 2 3 5 2 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 6 5 2 28 27 30 29 32 31 43 26 25 33 34 35 36 42 41 45 39 40 46 38 37 59 5 7 4 7 2 7 1 7 0 7 9 6 8 6 52 1 9 62 63 7 8 6 8 64 5 6 4 8 3 8 2 8 1 8 3 7 3 9 53 54 55 56 0 8 57 58 7 6 2 9 5 8 60 61 6 7 8 7 0 9 9 7 6 6 7 7 4 9 5 9 6 9 7 9 8 9 9 9 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 1 1 6 0 1 7