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Allgemeiner Teil / General Section

GDV Modul 1

2

GRUNDIG Service

Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
nummer 720108000000, sowie zusätzlich die eventu-
ell abweichenden, landesspezifischen Vorschriften!

The regulations and safety instructions shall be valid
as provided by the "Safety" Service Manual, part
number 720108000000, as well as the respective
national deviations.

"Dolby", "Dolby Pro Logic", "AC 3" ist gefertigt unter Lizenz von Dolby Laboratories
Licensing Corporation.
"Dolby", "Dolby Pro Logic", "AC 3" und das Doppel-D-Symbol "

ij

" sind Warenzeichen

der Dolby Laboratories Licensing Corporation. Copyright 1992 Dolby Laboratories,
Inc. Alle Rechte vorbehalten.

"Dolby", "Dolby Pro Logic", "AC 3" manufactured under license from Dolby Laboratories
Licensing Corporation.
"Dolby", "Dolby Pro Logic", "AC 3" and the double-D symbol "

ij

" are trademarks of

the Dolby Laboratories Licensing Corporation. Copyright 1992 Dolby Laboratories,
Inc. All rights reserved.

Inhaltsverzeichnis

Seite

Allgemeiner Teil ........................................  2…4

Einführung ....................................................................................... 2
Messgeräte ..................................................................................... 2
Servicehinweis ................................................................................ 3
Ausbauhinweise .............................................................................. 3

Fehlersuchanleitung .................................. 5…6

DVD-Monoboard ............................................................................. 5

Platinenabbildungen
und Schaltpläne ....................................... 8…28

Oszillogramme ................................................................................ 8
DVD-Monoboard ............................................................................. 9
• Messpunkte .................................................................................. 9
• Signal-Prozessor, Laser- und Laufwerksteuerung ..................... 15
• Servo .......................................................................................... 17
• Decoder ..................................................................................... 19
• Speicher ..................................................................................... 21
• Prozessor und Decoder ............................................................. 23
• Audio/Video ................................................................................ 25
Blockschaltpläne ..........................................................................  27

Explosionszeichnungen
und Ersatzteillisten ................................ 29…30

Table of Contents

Page

General Section .......................................... 2…4

Introduction ..................................................................................... 2
Test Equipment ............................................................................... 2
Service Instruction .......................................................................... 3
Disassemly Instructions .................................................................. 3

Test Instructions ........................................ 6…7

DVD-Monoboard ............................................................................  6

Layout of the PCBs
and Circuit Diagrams ............................... 8…28

Oscillograms ................................................................................... 8
DVD-Monoboard ............................................................................. 9
• Test Points ................................................................................... 9
• Signal Processor, Laser and Drive Control ................................ 15
• Servo .......................................................................................... 17
• Decoder ..................................................................................... 19
• Memory ...................................................................................... 21
• Processor and Decoder ............................................................. 23
• Audio/Video ................................................................................ 25
Block Circuit Diagrams .................................................................. 27

Exploded Views and
Spare Parts Lists .................................... 29…30

General Section

Introduction

This Supplement Service Manual describes a variant of the drive
mechanism of the GDV Modul 1 (see Page 4, Fig. 1).

Note:
Basic instructions for servicing are given in the following Service
Manuals:
– Service Manual Safety, Part Number 720108000000
– Service Manual GDV Modul 1, Part Number 720100279000

Test Equipment

Variable isolating transformer, Dual channel oscilloscope,
Digital multimeter

Please note the Grundig Catalog "Test and Measuring Equipment"
obtainable from:

Allgemeiner Teil

Einführung

In dieser Service-Manual-Ergänzung ist eine Laufwerksvariante (sie-
he Seite 4, Fig. 1) des GDV Modul 1 dokumentiert.

Hinweis:
Grundlage für den Service sind folgende Service Manuals:
– Service Manual Sicherheit, Materialnummer 720108000000
– Service Manual GDV Modul 1, Materialnummer 720100279000

Messgeräte

Regeltrenntrafo, Zweikanaloszilloskop, Digitalmultimeter

Beachten Sie bitte das Grundig Messtechnik-Programm, das Sie unter
folgender Adresse erhalten:

Grundig AG

Geschäftsbereich Instruments

Test- und Mess-Systeme

Würzburger Str. 150, D 90766 Fürth

Tel.: 0911 / 703-4540; Fax: 0911 / 703-4130

eMail: instruments@grundig.com

Internet: http://www.grundig-instruments.de

Internet: http://www.grundig-instruments.com

Summary of Contents for 720100279200

Page 1: ...318 42 0180 52318 43 0180 52318 44 0180 52318 45 0180 52318 51 0180 52318 99 Mo Fr 8 00 18 00 Uhr Telefon 0180 52318 40 0180 52318 50 Fax Technik Ersatzteil Verkauf Mo Fr 8 00 19 00 Uhr Kundendienst Werkstätten 0180 52318 52 0180 52318 46 Telefon Fax gebührenpflichtig Mo Fr 8 00 18 00 Uhr Zusätzlich erforderliche Unterlagen für den Komplettservice Additionally required Service Documents for the Co...

Page 2: ...ge General Section 2 4 Introduction 2 Test Equipment 2 Service Instruction 3 Disassemly Instructions 3 Test Instructions 6 7 DVD Monoboard 6 Layout of the PCBs and Circuit Diagrams 8 28 Oscillograms 8 DVD Monoboard 9 Test Points 9 Signal Processor Laser and Drive Control 15 Servo 17 Decoder 19 Memory 21 Processor and Decoder 23 Audio Video 25 Block Circuit Diagrams 27 Exploded Views and Spare Part...

Page 3: ...VD Monoboard Unplug the connectors if necessary Push the slider C Fig 2 to the right until its stop and pull out the tray Undo 4 screws D Fig 3 Remove the shielding 2 1 Removing the DVD Monoboard Undo 4 screws E Fig 4 and remove the DVD Monoboard Unplug the connectors if necessary Attention The laser unit is very sensitive to static charges MOS components Therefore short circuit the Flexprint to t...

Page 4: ...Allgemeiner Teil General Section GDV Modul 1 4 GRUNDIG Service Fig 1 Fig 5 Fig 3 Fig 2 Fig 4 Fig 6 D L K I E F M G H C A B ...

Page 5: ...Laufwerk 15 NVRAM Write Read 16 SDRAM Write Read 3 Audiosignalweg Die A V MUX Platte muss für folgende Tests am DVD Monoboard angeschlossen sein Ref Anmerkung Testpunkt Messwert 20a Rosa Rauschen Ein F637 F638 siehe Seite 8 F640 F641 F644 F658 F659 20b Rosa Rauschen Aus 21a Audio MMA AC3 Sinus einschalten F637 F638 siehe Seite 8 F640 F641 Test beenden F644 DVD Player vom Netz trennen Der Pegel des...

Page 6: ...155 F158 F165 F168 25mV 10mV DVDALAS Ausgänge S1 S2 F174 F175 25mV 10mV GB Test Instructions DVD Monoboard General Impedance of measuring equipment should be 1MΩ To check the DVD Monoboard a Drive Mechanism with DVD Disc or a B E Emulator must be connected to the I2S input The analog signals Audio and Video must be measurable at the A V MUX Board With the PC Systemtest of the Service Test Software...

Page 7: ...Audio Pink Noise On F637 F638 see page 8 F640 F641 F644 F658 F659 20b Audio Pink Noise Off 21a Audio MMA AC3 Sinus On F637 F638 see page 8 F640 F641 Terminating the test Disconnect F644 the DVD player from the mains The level of the 1kHz tone which is generated by Service Test Level 21a must be 1 8Vrms 0 25V at the audio cinch sockets With the following commands the Audio mute and Audio deemphasis...

Page 8: ...h1 2V M 500ns F227 RA Ch1 2V M 500ns F234 FO Ch1 2V M 20ms F280 F368 F371 T1 T3 Ch1 2V M 50ns F337 CL1 Ch1 2V M 50ns F347 B_BCLK Ch1 5V M 20ms F350 F352 F353 A1 A3 Ch1 200mV M 2ms F354 F359 F364 F366 F367 F370 H1 H3 Ch1 2V M 20ns F566 PCM_CLK Ch1 2V M 100ns F637 SCLK Ch1 1V M 500ns F638 F658 F659 PCM_OUT0 2 Ch1 1V M 20ns F640 PCM_CLK Ch1 2V M 10µs F641 LRCLK CH1 2 00 V MTB 250ns ch1 Ch1 2V M 250ns...

Page 9: ... Test Points Ansicht von der Lötseite View of Solder Side VH H3 Stby out T2 MOTO1 H3 H1 H2 A1 A2 A3 H1 H2 Stby 9V FOC O A O B O C O D RAD FOC RAD S2 S1 A B C D F E 2 5V 3V3 PCM_CLK B_VID VO2 VO2 27M_CLK R VID G VID CVBS T1 CL1 STOPCLK RFO B_V4 B_BCLK B_WCLK B_SYNC LRCLK PCMOUT0 SCLK DEEMPH1 SPDIF PCM_CLK DEEMPH0 HSYNC C_VID PCMOUT2 MUTE PCMOUT1 SCART Y_VID STB_CONT RSTN SL FO SL RA Sinph SL Cosph ...

Page 10: ...and Circuit Diagrams GDV Modul 1 Platinenabbildungen und Schaltpläne Layout of PCBs and Circuit Diagrams GDV Modul 1 11 GRUNDIG Service 12 GRUNDIG Service DVD Monoboard Ansicht von der Bestückungsseite View of Component Side 1 A B C D A B C D 2 3 1 2 3 ...

Page 11: ...ne Layout of PCBs and Circuit Diagrams GDV Modul 1 Platinenabbildungen und Schaltpläne Layout of PCBs and Circuit Diagrams GRUNDIG Service 13 GRUNDIG Service 14 A B C 1 2 1 2 3 3 D A B C D DVD Monoboard Ansicht von der Lötseite View of Solder Side ...

Page 12: ...2 3130 5V F121 10K 3123 F184 F136 22p 2141 5V 100n 2138 F125 12Vstby 1105 F104 3V3S F675 3V3S 3135 2R2 F127 100R 3170 F126 5Vx 3 2 1 8 4 3180 100K 2R2 MC34072 7105 A 2137 100n 3107 3700 4K7 F173 7119 BC817 25 15p 2133 3V3S 22K 3148 F180 F142 100n 2 0V 3190 F011 2117 F167 1100 1 1 F105 F022 470R 3198 F137 2110 2n2 68K 3177 3133 2R2 10K 3199 3196 100R 3171 22p 2106 6 7 8 4 F175 F141 LM833D 7104 B 5 ...

Page 13: ...100MHZ F215 5200 3A F226 3249 3239 F285 F297 F230 F231 3236 4K7 F291 10K 3219 F225 F235 F260 F283 5VC 2R2 3232 3V3S 1n 2216 F031 F254 3A 3V3S F200 3250 1201 F288 3V3S 3254 F281 F229 3V3S F029 3A 3246 3252 100K 3235 F266 F279 3237 F294 F233 3A 10K 3245 21 DQ7 22 E_ 24 G_ RP_NC 1 32 VCC 16 VSS 31 W_ F249 30 A17 10 A2 9 A3 8 A4 7 A5 6 A6 5 A7 27 A8 A9 26 13 DQ0 14 DQ1 15 DQ2 17 DQ3 18 DQ4 DQ5 19 DQ6 ...

Page 14: ...09 10K 3321 6K8 2312 2313 100n 4K7 3323 F320 100n 2314 100n F311 100R 3337 22K 3329 22K 3328 100n 2315 5V F307 3319 5V F370 47R 2307 22n F364 F366 3304 2K7 F330 F363 F331 5VB F325 F361 F329 3311 22K 100MHZ 5300 F301 F368 F324 F303 F300 F357 3320 F302 2301 100n 4K7 F356 F314 5VB F309 F352 F340 F344 F318 F345 5VB 1300 CSTCC 100n 2309 F310 3330 22K 1R 5V F347 F333 3316 VM1 27 VM2 5V F308 H3 14 H3 29 ...

Page 15: ...50 4 10 41 47 15 WE_ DQ14 48 DQ15 49 5 DQ2 6 DQ3 8 DQ4 9 DQ5 11 DQ6 12 DQ7 DQ8 39 DQ9 40 36 DQMH DQML 14 33 37 17 RAS_ 1 A5 28 A6 29 A7 30 A8 31 A9 32 19 BA 16 CAS_ CKE 34 CLK 35 CS_ 18 2 DQ0 3 DQ1 DQ10 42 DQ11 43 DQ12 45 DQ13 46 5 4 7404 MT48LC1M16A1TG A0 21 A1 22 20 A10 A2 23 A3 24 A4 27 7403 74HCT1G04 2 3 1 NC 3407 22R 2411 100n VDD_MEM2 5V_DS 5402 100MHZ 100n 2404 100n 2400 7400 A 74HCT00D 1 2...

Page 16: ...A2 60 VDDA_PCM 48 VREF_PCM 49 TDI 186 TDO 189 TEST1 30 TEST2 31 32 TEST3 TEST4 33 TEST5 41 TMS 187 TRSTn 190 VDD1 1 VDD10 119 VDD11 130 VDD12 139 VDD13 149 VDD14 159 VDD15 PPC_CLK 137 PPCn_MODE 138 RAS0n_OR_CE4n 127 RAS1n_OR_HOLDREQ 128 136 READY RSTn 29 R_OUT 57 133 R W_ DMAACK SCLK 43 SDCASn 89 SDCS0n 84 SDCS1n 85 SDRASn 88 SDWEn 90 SPDIF_OUT 47 TCK 188 202 PIO 3 2 203 PIO 3 3 204 PIO 3 4 205 PI...

Page 17: ...TION 3605 D6 3606 C11 3607 B13 3608 B12 3609 C13 3615 C11 3616 D13 3617 D12 3618 D9 3619 D10 7 8 9 10 11 5 6 7 11 1603 11 C14 3632 F11 3635 B13 3636 C13 20 1603 19 19 OPTION OPTION OPTION OPTION OPTION F651 1603 20 F621 F669 5V 100MHZ 5610 22K 3618 LD1117 7605 1 GND 3 IN 2 OUT F613 7613 3622 100R 5Vstby BC847B 7600 C 74HCT14D 5 6 14 7 3 5V 6Vstby 1603 3 3683 3V3 330R 3667 1 1603 4 4 F610 PH S 1602...

Page 18: ... WCLK SDA SCLK 2 2 2 2 SDA SCLK SCLK SDA 7405 SDRAM 7404 MT48LC1M16A1TG 7S 16Mb SDRAM 16Mb SDRAM INTERFACE SYSTEM DATA BUS SYSTEM ADDRESS BUS SYSTEM CONTROL BUS CVBS RGB S VHS DIG OUT PCM 3X I2C TO FROM MACE2 DIAGRAM 2 FROM HD61 DECODER DIAGRAM 3 P50 PCM__CLK MT48LC1M16A1TG 7S RSTN 5 4 6 180500 DVD MONOBOARD DIGITAL PART Blockschaltplan Block Circuit Diagram DVD Monoboard DISK MOTOR SLEDGE MOTOR T...

Page 19: ...HOLDER POWER SUPPLY 1195 000 2 297005485104 HALTER HOLDER 1305 000 2 296322120106 BLECHABDECKUNG DRUCK KPL METAL COVER PRINT CPL 1330 000 2 829000521400 2 ABSTANDSHALTER LP 4 8 SPACER PCB 4 8 1340 000 2 829000521300 2 ABSTANDSHALTER LP 11 4 SPACER PCB 11 4 218199410201 BEDIENUNGSANLEITUNG D INSTRUCTION MANUAL D 218199410301 BEDIENUNGSANLEITUNG GB I INSTRUCTION MANUAL GB I 218199410401 BEDIENUNGSAN...

Page 20: ...80420400 IC MC33079D IC 07900 720086586600 IC HEF4053BT IC 07901 720086586600 IC HEF4053BT IC 07902 720086586600 IC HEF4053BT IC 07903 720086586600 IC HEF4053BT IC 07904 720086586600 IC HEF4053BT IC 07905 720086586600 IC HEF4053BT IC 07917 759880437200 IC TEA6420D J 01300 759880438700 VERBINDER V22P F J 01301 759880438600 VERBINDER V16P F J 01303 759880438500 MDIN BUCHSE H4P F J 01304 759880438400...

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