Philips SDV434/19 Service Manual Download Page 24

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FROM MAIN BOARD

When have no karaoke, this inside of
circle a piece is“OPEN”

MDV434(K) Front Board

ZD200 E3

U302A E2

R208 E3

R201 E2

R202 E1

R203 E1

R204 E2

R205 E2

R207 E3

R206 E2

R200 E1

R209 E3

R210 E3

R300 C2

R301 C2

R302 C2

R303 B3

R304 B3

R305 B3

R307 B4

R306 B3

R308 C4

R309 C4

R310 C4

R311 B3

R312 B3

R313 C3

R314 B1

R315 D5

R316 B2

R317 A1

R318 B1

R319 B2

R320 A2

R321 A2

R322 A2

R323 A2

R324 A2

R325 A3

R326 E4

R338 B1

R339 B1

RP200 E2

MIC200 E1

C200 E1

C201 E2

C202 E2

C203 E2

C204 E2

C205 E2

C206 E3

C207 E1

C208 E2

C209 F3

C300 C3

C301 C3
C302 C3

C303 B3
C304 B2

C305 B3

C306 D4

C307 B4

C308 B4

C310 D2

C313 B1

CE201 E2

CE200 E1

J2 F2

J1 F1

J3 F2

CE301 D4

CE300 B2

CE302 A2

CE304 D2

CE303 A3

L200 E2

Q200 E1

Q300 B2

Q301 B2

Q302 B2

Q305 B1

Q306 A1

D200 E1

D301 B4

D302 B4

ZD301 B2

ZD303 A2

U302B E3

K305 B4

K303 C4

K302 B4

K304 C4

K306 C4

U301 B3
CON301 C1

CON302 E4

REM301 D4

VFD A3

C309 B1

C311 C4

C312 C4

C314 D1

C315 D4
C316 E4

DV33

LED-
GND

AGND

GND

+12V

-12V

MIC

-12V

-24V

AC1

DATA

-24V

+12V

AC2

CLK

+12V

POWER_K

LED+

GND

-24V

DV33

MIC

CLK

AGND
+12V

DATA
CS

LED-

GND

AGND

GND

AGND

AC2

+5V

POWER_K

DV33

+5V

-24V

CE303

3.3uF/50V

R309

10K

R319
10K

R338

R205

56K

R303
10K

R311
2.2K

J1
0

R312

2.2K

C207

1uF/0805

R302

100

REM301

REM

GND

VCC

C302

100p

CON301

CON12(2.0)

1
2
3
4
5
6
7
8
9

10
11
12

C316
47p

K303

OPEN/CLOSE

R324

330

R308

10K

R204

4.7K

U302B

NJM4558

C315
47p

C309

0.1u

R316

680

R317

10K

U301

PT6312

34
35
36
37
38
39
40
41
42
43
44

SW1

SW2

SW3

SW4

SDout

/CS

KEY1

KEY2

KEY3

KEY4

VDD

SEG1/K1

SEG2/K2

SEG3/K3

SEG4/K4

SEG5/K5

SEG6/K6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

VEE

SEG13

SEG14

SEG15

SEG16

G4
G3
G2
G1
VDD
LED4
LED3
LED2
LED1
GND
OSC

C301

100p

R313
2.2K

R202

R310

10K

R301

100

R322

470

R323

10K

D301
1N4148

R326

470

K304

STOP

L200

1.8uH

R315

100 ohm

R321

470

R300

100

R325

5.6

R200

1.2K

Q302

3906

CE201

22uF

CE300
47uF

CE301
47uF

RP200

10K

D200

1N4148

R306
51K

Q200
3904

R307

10K

ZD301
5.1V

C313

1000p

Q305
3904

U302A

NJM4558

C202

100p

R203

8.2K

C311

47p

C306
0.1u

R339

R320

470

CE302

3.3uF/50V

R314

18K

R208

C209

1uF/0805

ZD200

12V

R207

6.8K

C300

100p

R209

680

ZD303

6.2V

C208
1uF/0805

C312

47p

R201

2.2K

C304
0.1u

J2
0

MIC200

Q301
3904

C303
0.1u

R305
10K

C205

47p

R318

4.7K

CE200

22uF

C305

0.1u

C206

47p

CON302

CON4(2.0)

1
2
3
4

C314
47p

C201

0.1u

CE304
22uF/50V

J3
0

VFD

VFD-54

P15

P14

P13

P12

P11

P10

C200

0.1u

R341

2.2

R206

3.9K

Q300
3904.

R210

3.3K

C204
100p

K302

PLAY

C203

100p

C310

0.1u

R304
10K

Q306
3904

Summary of Contents for SDV434/19

Page 1: ...0 1 DVD Player MDV434 K XX Service TABLE OF CONTENTS Page 3139 785 31220 Version 1 0 Service Manual PHILIPS GB Copyright 2005Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored in aretrieval system or transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior permission of...

Page 2: ...nd Stereo Dolby surround compatible downmix from Dolby Digital multi channel sound Audio performance DA converter 24bits 192KHz DVD fs 96kHz 4Hz 44kHz fs 48kHz 4Hz 22kHz SVCD fs 48kHz 4Hz 22kHz fs 44 1kHz 4Hz 20kHz CD VCD fs 44 1kHz 4Hz 20kHz Signal Noise 1kHz 95dB Dynamic Range 1kHz 85dB Cross talk 1kHz 90dB Distortion Noise 1kHz 80dB MPEG MP3 MPEG Audio L3 Audio L R output 1 0 2 0 Vpp into 10K o...

Page 3: ...ire between the two pins of the mains plug 2 Set the mains switch the on position keep the mains cord unplug 3 Measure the resistance value between the mains plug and the front panel controls and chassis bottom 4 Repair or correct unit when the resistance measurement is less than 1M Ω 5 Verify this before you return the unit to the customer user ref UL standard no 1492 6 Switch the unit off and re...

Page 4: ...uch copper tracks and or components in this unshielded primary area when you service the player Service personnel must take precautions to prevent touching this area or components in this area A lighting stroke and a stripe marked printing on the printed wiring board indicate the primary side of the power supply Never replace modules or components while the unit is on 2 Laser The use of optical in...

Page 5: ...off un used equipment or reduce heat Mix of lead free solder alloy parts with leaded solder alloy parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types leaded and lead free If one cannot avoid clean carefully the solder joint from old solder alloy and re solder with new solder alloy SAC305 Use only original spare parts listed in the Service Manuals Not listed standard...

Page 6: ...ntle Loader or Front Panel It should be remove the front door assembly first Figure 2 If the trace can t open in normal way you can make it by pushing the guider manually using the slot below the bottom chassis with a tool Figure 3 Note Make sure to operate gently otherwise the guider would be damaged 2 1 Figure 2 Figure 1 Figure 3 Push the guider until the trace out Make sure to operate gently to...

Page 7: ...n remove the 2 screws at both sides of the loader Figure 4 Step4 Dismantling Front Panel disconnect the 2 connectors aiming in the figure then Release the snaps on the both sides of Front Panel and gently pull the Panel out from the set Figure4 Figure 5 Figure 6 Snap1 Snap2 CON 1 CON 2 CON 3 CON 4 CON 5 2 2 Figure5 6 GND cable ...

Page 8: ...ng Instructions Step6 Dismantling Main Board first disconnect the connector and then remove the relative screws Figure 7 Step7 Remove the 3 screws on power board to dismantle the power board Figure8 Figure 8 CON 6 2 3 Figure 7 ...

Page 9: ...g Instructions ATTENTION OF REPAIRING Make sure adding silicon glue to fix the capacitor C4 after repairing Avoid the hazard of C4 touching the Top Cover Figure 9 Add Silicon glue or Heat glue to fix C4 to keep this status 2 4 ...

Page 10: ...Press Play TO START 3 Press OK button to confirm then screen will display Files coping UPGRADING 3 The upgraded disc will automatically out when files coping complete then take out the disc 4 About 1 minute later the trace will automatically close when upgrading complete C Read out the software versions to confirm upgrading 1 Power up the set and press system menu button on the remote control 2 Pr...

Page 11: ...FOO signals 2 If there are F F T and T signals output from U2 Check Replace the loader Yes Yes No Go Check whether laser voltage 2V for VCD 2 2V for DVD on Collector of Q8 and Q9 Check the FFC connection between 24P and the loader 1 Whether voltage on pin 44 of U3 varies between 0 and 3 3V 3 3V for VCD and 0V for DVD 2 Whether peripheral components are eroded or badly soldered Trouble shooting cha...

Page 12: ...supply on the power board is normal Check Correct connection Whether the connection to K301 is broken Correct the connection Replace U3 No No Yes Yes Check if the CON2 on the front board to CN6 on the decoder board is in good contact Whether there is 0V and 3 3V voltage difference on Pin 100 PCON of U3 Trouble shooting chart ...

Page 13: ...hether U1 are eroded All output voltages on the power board is 0V or deviated Check whether there is 300V on C4 Check whether 100KHz oscillating signal on Pin6 of U1 Check if 5V 3 3v 12V 12V and 24V are short Check whether the components in the short circuit voltage are defected or eroded Yes Yes Yes Yes U1 PIN 3 RC waveform Trouble shooting chart Check whether F1 is blown ...

Page 14: ... connection between 24P and the loader Check U3 and peripheral components Re solder or replace the defective parts Check the connection between U3 Correct connection Replace U3 or loader Yes Check whether there is laser voltage 2V for VCD and 2 2V for DVD on Collector of Q8 Q9 Check if there is RFO signal on pin8 of CN2 The normal RFO signal is a clear reticulated wave Trouble shooting chart Check...

Page 15: ...nts Check whether there is voltage variance on pin 22 of U3 check if bad solder exist on U3 and peripheral components Replace the bad spare parts Check whether pin 1 to pin38 of U3 and peripheral components are badly soldered defected Check Q5 Q6 Q8 whether in good condition Yes Yes Yes Go Correct connection Change U3 or the loader No No Yes Check laser voltage 2V output on Collector of Q8 if pin ...

Page 16: ...s pin 62 63 64 arrive the CN6 connect condition Correct connection Replace U301 or VFD Yes Yes Yes No check 24V 12V VCC 5v voltage on the power and front board Check there are VSTB VSDA0 and VSCK signals on CN303 on the front board 1 Check whether bad solder exists on U301 and pins of VFD 2 Check whether the circuit connected to K302 K303 K304 and K301 is broken 3 Check whether R300 R301 and R302 ...

Page 17: ...sistor Q29 Q31 and Q25 are normal Checking the U11 leads the feet has no to break to open Correct connection Replace U3 if the clock signal ACLK ABCK and ALRCK output by U3 are normal Check whether the U3 or U11 power supply normal No Yes Check the power supply voltages 12V and 12V to the operation amplifying Q2 andQ4 are normal Yes Check U11 Replace U3 or U11 No Yes Trouble shooting chart SACLK w...

Page 18: ...ard are normal Check Y1 R56 R56 C39 and C40 Check other of power supply electric circuit Correct the connection Check whether the video filter network circuit is normal Yes Yes No No No Check whether the 27MHz output signal is Trouble shooting chart change U3 or U14 U15 Yes No Check if the Y1 to Y6 signals on Pin164 to Pin 173 of U3 are normal ...

Page 19: ...scilloscope to check if there is output waveform from the first pin IR of the remote censor after pressing button on the remote control U201 PIN 3 RC waveform Check if there is IR signal on pin 106 of U3 Check if the power supply voltage to the remote censor is normal are normal Go No No No Yes Yes Yes Correct connection Yes Change U3 IR waveform Trouble shooting chart ...

Page 20: ...l output on R89 Check the loaded circuit Crystal oscillator Y1 and peripheral components are defected or eroded Check whether short circuit or bad solder on U7 U17 Check if short circuit and bad solder exist on Pin Y3 No No No No No Yes Yes Yes Yes Yes Reconnect the component in short circuit Check U3 Yes No 27M waveform SDRAM R82 SDCLK waveform Trouble shooting chart Check whether all the voltage...

Page 21: ...CN7 CN302 4PIN 2 0 4 1 1 8 12 1 MT1389C BA5954 8M 16M FLASH 16M SDRAM EEPROM AUDIO D A AUDIO AMP LPF VIDEO LPF DRIVE MOTER DRIVER R L CON301 SWITCH BOARD 4PIN 2 0 4 1 WXD8829 DLM1D 18 KHM310A KARAOKE AMP KARAOKE A D Y 12PIN 2 0 16M SDRAM MDV434 K XX Wiring Block Diagram 1 6 CLK CS DATA GND SP GND LOAD TRIN SL SP LOAD TROUT GND SL LIMIT DV33 POWER_K LED IR 24V 12V LED GND LED 5V GND GND 24V 12V 12V...

Page 22: ...TABLE OF CONTENTS Front Board Circuit Diagram 6 3 Front Board Component Chip Layout 6 4 Electrical Parts List 6 5 FRONT BOARD 6 1 ...

Page 23: ...Service Engineer Remarks 6 2 ...

Page 24: ...R GND VCC C302 100p CON301 CON12 2 0 1 2 3 4 5 6 7 8 9 10 11 12 C316 47p K303 OPEN CLOSE R324 330 R308 10K R204 4 7K U302B NJM4558 5 6 7 8 4 C315 47p C309 0 1u R316 680 R317 10K U301 PT6312 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 SW1 SW2 SW3 SW4 SDout SDin GND SCLK CS KEY1 KEY2 KEY3 KEY4 VDD SEG1 K1 SEG2 K2 SEG3 K3 ...

Page 25: ...6 4 6 4 Front Board Top Side Front Board Bottom side ...

Page 26: ...AB0470 JCX CAP SMD 47PF 50V 5 0603 R326 19 AB0471 JTF SMD RES 470 OHM 1 10W 5 C315 28 AB0470 JCX CAP SMD 47PF 50V 5 0603 R338 19 AB0102 JTF RES SMD 1K OHM 1 10W 0603 C316 28 AB0470 JCX CAP SMD 47PF 50V 5 0603 R339 19 AB0102 JTF RES SMD 1K OHM 1 10W 0603 CE200 25 HCB220 M1X CAP ELEC 22 UF 16V 20 SM R341 19 BB0229 JTF SMD RES 2 2 OHM 1 10W 5 CE201 25 HCB220 M1X CAP ELEC 22 UF 16V 20 SM REM301 02 IRR...

Page 27: ... Power Board Circuit Diagram 7 2 Power Board Component Layout 7 3 Electrical Parts List 7 4 TABLE OF CONTENTS POWER BOARD 7 1 ...

Page 28: ...000uF 16V D3 1N4007 R15 2 2k 1 R5 1 C10 220uF 25V R4 120K 1W R13 2 2k C1 NU 471 400Vac C6 NU 333 400V ZD1 NU 15V 1 2W ZD2 NU 15V 1 2W R2 NU 220 1 2W L2 33uH R3 22 L3 33uH D6 FR102 C7 47uF 25V R12 NU 22K ZD3 NU 18V 1 2W C16 101 1KV C8 47uF 25V C9 102 500V C17 104 50V C11 100uF 25V CON2 8X2 5 HEADER 1 2 3 4 5 6 7 8 5V 3 3V GND GND 12V GND 12V 24V C3 471 400Vac C2 0 1uF 250Vac D5 FR102 D4 1N4007 RV1 ...

Page 29: ...7 3 7 3 Power Board Top Side ...

Page 30: ...06 12 BT3904 0BF SMD TRANSISTOR MMBT3904LT1 NPN CE301 25 HCB470 M1X CAP ELEC 47 UF 16V 20 SM CE302 25 BFB339 M1X CAP ELEC 3 3 UF 50V 20 DIODE CE303 25 BFB339 M1X CAP ELEC 3 3 UF 50V 20 D301 10 1N4148 ABF DIODE 1N4148 SWITCHING CE304 25 BFB220 M1X CAP ELEC 22 UF 50V 20 D302 10 1N4148 ABF DIODE 1N4148 SWITCHING CONNECTOR R300 19 AB0101 JTF RES SMD 100 OHM 1 10W 0603 CON302 46 FG016T 04K01 HS 4P UL24...

Page 31: ...TABLE OF CONTENTS Circuit Diagram for DVP3000 DVP3005 8 2 8 5 Mpeg board Component Chip Layout 8 6 8 7 Electrical Parts List 8 8 MPEG BOARD 8 1 ...

Page 32: ... PLLVDD3 5VV DV33 DV33 SD33 P12V P5V 24V P33V P12V P5V P12V P12V GND GND GND 12V 12V PCON M_VCC AVCC VCC VCC_AUDIO 12VA 12VA 24V RFV18 ADACVDD3 DACVDD3 RFGND RFV33 APLLVDD3 LDO_AV33 DV33 RFVDD3 PLLVDD3 DV33 VCC3_AUDIO VCC_VIDEO FLASH_VCC VCC SD33 SD33 RFV33 12V RFGND RFGND RFGND C2 0 1uF L15 500 0805 C17 0 1uF CE2 100uF 16V L10 FB C29 0 1uF L18 FB L3 FB 0805 C1 1u 0805 LL1 NO_USE L14 500 0805 C16 ...

Page 33: ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQ DQML WE CAS RAS CS BA A11 A10 A0 A1 A2 A3 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 C91 0 1uF D17 1N4148 R102 150 1 R101 2 4K R98 220 D19 1N4148 ...

Page 34: ...N C R69 390 R199 20K R48 0 R29 10k CN4 pitch 2 0mm 1 2 3 4 5 6 C134 1uF C50 1uF C56 C Y1 27MHz CE26 47uF 16v R27 100k R40 4 7 R68 10k R58 33 open R42 0 OPEN C60 0 1uF TP1 C131 1uF C46 0 1uF R35 0 CE27 10uF 16V C48 1uF C47 1uF TP4 C61 0 015uF R79 10 R200 10K R51 0 OPEN C80 1000pF R74 0 U6 BA5954 AM5668S 1 9 10 12 3 2 15 7 14 13 21 19 20 24 27 6 4 5 28 8 11 17 18 16 23 22 25 26 29 30 VINFC PVCC1 PGN...

Page 35: ... U15 AK4382 2 3 5 4 13 14 6 7 8 9 11 12 10 1 15 16 BICK SDTI PDN LRCK VSS VDD CSN CCLK CDTI AOUTR AOUTL AOUTL AOUTR MCLK DZFR DZFL R177 470 R159 470 C119 0 1u R154 3 3K 470 R150 10k NC R141 1K R24 1 R161 10k D15 1N4148 R160 470 C136 1u 0805 C132 2200p R184 NC 470 R142 OPEN CE38 10u R194 10K R166 10k NC RN5 33x4 1 8 2 7 3 6 4 5 C129 0 1u U11A NJM4558 OPA 3 2 1 8 4 R138 75 D14 1N4148 R151 10k NC C13...

Page 36: ...8 6 8 6 Mpeg Board Top Side ...

Page 37: ...8 7 8 7 Mpeg Board Bottom Side ...

Page 38: ... KBX CAP SMD 2200PF 50V 10 0603 C61 28 AB0153 ZFX SMD CAP 0 015 UF 50V 0603 F C17 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C62 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C18 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C63 28 AB0151 JCX SMD CAP 150 pF 50V 5 C C19 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C64 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C2 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20...

Page 39: ... CE17 28 AB0119 ZFX CAP ELEC 220 UF 16V 20 R154 19 AB0332 JTF SMD RES 3 3K OHM 1 10W 0603 CE18 28 AB0120 ZFX CAP ELEC 47 UF 16V 20 R159 19 AB0471 JTF SMD RES 470 OHM 1 10W 5 CE19 28 AB0121 ZFX CAP ELEC 47 UF 16V 20 R161 19 AB0103 JTF RES SMD 10K OHM 1 10W 0603 CE2 28 AB0122 ZFX CAP ELEC 100 UF 16V 20 R165 19 AB0471 JTF SMD RES 470 OHM 1 10W 5 CE21 28 AB0123 ZFX CAP ELEC 10 UF 16V 20 R166 19 AB0000...

Page 40: ... 4 7 OHM 1 10W 0603 R9 19 AB0154 JTF SMD RES 150K 1 10W 5 0603 R41 19 AB0479 JTF SMD RES 4 7 OHM 1 10W 0603 R90 19 AB0330 JTF RES SMD 33 OHM 1 10W 5 0603 R44 19 AB0000 JTF RES SMD 0 OHM 1 10W 5 0603 R92 19 AB0103 JTF RES SMD 10K OHM 1 10W 0603 R45 19 BB0109 JTF SMD RES 1 OHM 1 10W 5 0805 R93 19 AB0103 JTF RES SMD 10K OHM 1 10W 0603 R46 19 BB0109 JTF SMD RES 1 OHM 1 10W 5 0805 RN1 23 A08330 JBX NET...

Page 41: ...906 0BF SMD TRANSISTOR MMBT3906LT1 PNP D2 09 004148 ATX SMD DIODE 4148 Q9 12 BT3906 0BF SMD TRANSISTOR MMBT3906LT1 PNP D3 09 004148 ATX SMD DIODE 4148 D4 09 004148 ATX SMD DIODE 4148 INDUCTANCE D5 09 004148 ATX SMD DIODE 4148 L1 35 339740 008 FERR BEAD BF40TA 3 5X6X1 D6 09 004148 ATX SMD DIODE 4148 L10 33 ELN501 NTF CHIP BEAD 500 OHM 25 D7 09 004148 ATX SMD DIODE 4148 L11 33 ELN501 NTF CHIP BEAD 5...

Page 42: ...Mechanical Exploded view 9 1 ...

Page 43: ...60 304 TRIANGLE M C SCREW B 3 X 6 2 6 56 3000K2 0HN Open close button 1 7 08 MD434K SWY Switch Board 1 9 56 3000K3 0HN Function button 1 10 08 MD434K FBY Front board 1 11 08 LOADER 012 Loader 1 13 67 3000T1 0E0 Top cover 1 15 51 DC0165 0CNA4 Power cord 1 17 67 3000B3 0E0 Back Plate 1 19 47 RCA149 XX0 RCA SOCKET AV 8 4 4W 041 2 20 08 MD434K MAN Ass y Mpeg Board 1 21 08 MD434K PWY Ass y Power Board ...

Page 44: ...REVISION LIST Version 1 0 Initial release 10 1 ...

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