Manual Grundig TVR 3720 (page 2 of 60) (German)

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1 - 2 GRUNDIG Service

Allgemeiner Teil / General Section TVR 37…, TVR 51…, TVR 55…

Es gelten die Vorschriften und Sicherheitshinweise

gemäß dem Service Manual "Sicherheit", Sach-Num-

mer 72010-800.00, sowie zusätzlich die eventuell

abweichenden, landesspezifischen Vorschriften!

The regulations and safety instructions shall be valid

as provided by the "Safety" Service Manual, part

number 72010-800.00, as well as the respective

national deviations.

Table of Contents

Page

General Section.................................. 1-1…1-16

TVR Overview .............................................................................. 1-3

Code Label, Evolution Code ........................................................ 1-4

Alteration Adjustment Procedures ............................................... 1-4

Test Equipment / Jigs ............................. Service Manual TVR 1-4

Specifications .......................................... Service Manual TVR 1-4

Operating Hints ....................................... Service Manual TVR 1-7

Service Instructions................................. Service Manual TVR 1-9

Code Label, Evolution Code ........................................................ 1-4

Service Test Programme ........................ Service Manual TVR 1-12

Description ......................................... 2-9…2-16

Power Chassis (PLSP) ........................... Service Manual TVR 2-9

• Power Supply ....................................... Service Manual TVR 2-9

• High Voltage Section ........................... Service Manual TVR 2-10

Tube PCB ............................................... Service Manual TVR 2-10

Signal Chassis (PSSP2) ......................... Service Manual TVR 2-11

• Deck Control / Deck Electronic (DE) .... Service Manual TVR 2-11

• Keyboard Control Unit (CO)................. Service Manual TVR 2-12

• TV Signal Electronics (TV)................... Service Manual TVR 2-12

• Frontend 2 (TU2) ................................. Service Manual TVR 2-13

• IN/OUT (IO).......................................... Service Manual TVR 2-14

• Video/Chroma (VS).............................. Service Manual TVR 2-14

• Standard Sound (AL) ........................... Service Manual TVR 2-15

• Teletext "DOS" (TXT)........................... Service Manual TVR 2-16

Adjustment Procedures....................... 3-1…3-6

Location of Adjustment Controls ............. Service Manual TVR 3-1

Power Chassis (PLSP) ........................... Service Manual TVR 3-5

Alteration Adjustment Procedures ............................................... 1-4

Tube PCB ............................................... Service Manual TVR 3-5

Alteration Adjustment Procedures ............................................... 1-4

Signal Chassis (PSSP2) ......................... Service Manual TVR 3-5

• TV Signal Electronics (TV)................... Service Manual TVR 3-5

• Keyboard Control Unit (CO)................. Service Manual TVR 3-5

• Deck Control / Deck Electronic (DE) .... Service Manual TVR 3-6

• Frontend 2 (TU2) ................................. Service Manual TVR 3-6

• Video/Chroma (VS).............................. Service Manual TVR 3-6

• Standard Sound (AL) ........................... Service Manual TVR 3-6

Layout of the PCBs

and Circuit Diagrams ......................... 4-1…4-72

Wiring Diagrams .......................................................................... 4-1

Block Circuit Diagrams................................................................. 4-7

Power Chassis (GSPD) ............................................................. 4-16

Power Switch Board................................ Service Manual TVR 4-18

Tube PCB .................................................................................. 4-27

Tape Deck Sensor Panel ........................ Service Manual TVR 4-46

Signal Chassis (KSMD/KSPD)................................................... 4-31

• Keyboard Control Unit (CO).................................................... 4-43

• TV Signal Electronics (TV)...................................................... 4-49

• Frontend 2 (TU2) .................................................................... 4-52

• Teletext "DOS" (TXT)........................... Service Manual TVR 4-58

• IN/OUT (IO)............................................................................. 4-55

• Video/Chroma (VS)................................................................. 4-59

• Standard Sound (AL) .............................................................. 4-62

• Deck Control / Deck Electronic (DE) ....................................... 4-63

Socket Board (BUPI)............................... Service Manual TVR 4-68

Head Amplifier Board (OHA)................... Service Manual TVR 4-69

• Headwheel Motor Control .................... Service Manual TVR 4-70

• Head Amplifier ..................................... Service Manual TVR 4-71

Drive Mechanism................................ 5-1…5-12

Test Equipment / Jigs ............................. Service Manual TVR 5-1

Service Instructions................................. Service Manual TVR 5-2

Replacement of Tape Deck Components Service Manual TVR 5-3

Adjustments ............................................ Service Manual TVR 5-10

Spare Parts Lists............................... E-1…E-16

Inhaltsverzeichnis

Seite

Allgemeiner Teil ................................. 1-1…1-16

Geräteübersicht ........................................................................... 1-3

Codeaufkleber, Entwicklungscode ............................................... 1-4

Änderungen Abgleich................................................................... 1-4

Meßgeräte / Meßmittel ............................ Service Manual TVR 1-4

Technische Daten ................................... Service Manual TVR 1-4

Bedienhinweise ....................................... Service Manual TVR 1-5

Servicehinweise ...................................... Service Manual TVR 1-9

Codeaufkleber, Entwicklungscode ............................................... 1-4

Servicetestprogramm .............................. Service Manual TVR 1-12

Beschreibung ....................................... 2-1…2-8

Leistungs-Chassis (PLSP) ......................... Service Manual TVR 2-1

• Netzteil .................................................... Service Manual TVR 2-1

• Hochspannungsteil ................................. Service Manual TVR 2-2

Bildrohrplatte .............................................. Service Manual TVR 2-2

Signal-Chassis (PSSP2) ............................ Service Manual TVR 2-3

• Laufwerksteuerung / Deck-Elektronik (DE) . Service Manual TVR 2-3

• Bedieneinheit (CO) ................................. Service Manual TVR 2-4

• TV-Signalelektronik (TV)......................... Service Manual TVR 2-4

• Empfangseinheit 2 (TU2) ........................ Service Manual TVR 2-5

• IN/OUT (IO)............................................. Service Manual TVR 2-6

• Video/Chroma (VS)................................. Service Manual TVR 2-6

• Standardton (AL)..................................... Service Manual TVR 2-7

• Teletext "DOS" (TXT).............................. Service Manual TVR 2-8

Abgleich ................................................ 3-1…3-4

Abgleichlageplan..................................... Service Manual TVR 3-1

Leistungs-Chassis (PLSP) ...................... Service Manual TVR 3-3

Änderungen Abgleich................................................................... 1-4

Bildrohrplatte ........................................... Service Manual TVR 3-3

Änderungen Abgleich................................................................... 1-4

Signal-Chassis (PSSP2) ......................... Service Manual TVR 3-3

• TV-Signalelektronik (TV) ...................... Service Manual TVR 3-3

• Bedieneinheit (CO) .............................. Service Manual TVR 3-3

• Laufwerksteuerung / Deck-Elektronik (DE) Service Manual TVR 3-4

• Empfangseinheit 2 (TU2) ..................... Service Manual TVR 3-4

• Video/Chroma (VS) .............................. Service Manual TVR 3-4

• Standardton (AL).................................. Service Manual TVR 3-4

Platinenabbildungen

und Schaltpläne ................................. 4-1…4-72

Verdrahtungspläne....................................................................... 4-1

Blockschaltpläne .......................................................................... 4-7

Leistungs-Chassis (GSPD) ........................................................ 4-16

Netzschalterplatte ................................... Service Manual TVR 4-18

Bildrohrplatte .............................................................................. 4-27

Laufwerkplatte – Sensoreneinheit........... Service Manual TVR 4-46

Signal-Chassis (KSMD/KSPD) .................................................. 4-31

• Bedieneinheit (CO) ................................................................. 4-43

• TV-Signalelektronik (TV) ......................................................... 4-49

• Empfangseinheit 2 (TU2) ........................................................ 4-52

• Teletext "DOS" (TXT)........................... Service Manual TVR 4-58

• IN/OUT (IO)............................................................................. 4-55

• Video/Chroma (VS) ................................................................. 4-59

• Standardton (AL)..................................................................... 4-62

• Laufwerksteuerung / Deck-Elektronik (DE)............................. 4-63

Buchsenplatte (BUPI) ............................. Service Manual TVR 4-68

Kopfverstärkerplatte (OHA)..................... Service Manual TVR 4-69

• Kopfscheibenmotoransteuerung .......... Service Manual TVR 4-70

• Kopfverstärker...................................... Service Manual TVR 4-71

Laufwerk ............................................. 5-1…5-12

Meßgeräte / Meßmittel ............................ Service Manual TVR 5-1

Servicehinweise ...................................... Service Manual TVR 5-2

Auswechseln von Laufwerksteilen .......... Service Manual TVR 5-3

Einstellungen .......................................... Service Manual TVR 5-10

Ersatzteillisten................................... E-1…E-16

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Grundig TVR 3720 Manual

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