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GRUNDIG Service
Chassis 22.1
2
Inhaltsverzeichnis
Seite
Allgemeiner Teil ........................................................................ 2…4
Einführung.........................................................................................2
Allgemeine.Hinweise.........................................................................2
Technische.Daten..............................................................................3
Abgleich .................................................................................... 5…9
Service-.und.Sonderfunktionen.........................................................5
Platinenabbildungen und Schaltpläne ............................... 10…41
Variantenliste...................................................................................10
Chassisplatte.ZA1190-15................................................................12
–. Netzteil.........................................................................................17
–. Horizontal-Ablenkung..................................................................18
–. Vertikal-Ablenkung.......................................................................18
–. Tuner............................................................................................19
–. Tuner.PIP.....................................................................................19
–. Hauptschaltplan...........................................................................20
Chassisplatte.ZA9190-05................................................................22
–. Netzteil.........................................................................................27
–. Horizontal-Ablenkung..................................................................28
–. Vertikal-Ablenkung.......................................................................28
–. Tuner............................................................................................29
–. Tuner.PIP.....................................................................................29
–. Hauptschaltplan...........................................................................30
Feature-Platte.ZA1196....................................................................32
Bildrohrplatte.ZA1194......................................................................37
Standby-Netzteil.ZA1198.................................................................39
Dynamische.Fokusierung.ZA1195..................................................39
Keyboards.7S2191./.GX7191./.K46191./.K46193...........................40
IR-Empfänger.GX7192....................................................................41
Buchsenplatten.7PZ194./.K46195...................................................41
Ersatzteillisten ...................................................................... 42…51
Es.gelten.die.Vorschriften.und.Sicherheitshinweise.
gemäß.dem.Service.Manual."Sicherheit",.Material-
nummer.720108000001,.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. 720108000001,. as. well. as. the. respective.
national.deviations.
Table of Contents
Page
General Section ........................................................................ 2…4
Introduction........................................................................................2
General.Notes...................................................................................2
Technical.Data...................................................................................3
Adjustment ................................................................................ 5…9
Service.and.Special.Functions..........................................................5
Layout of PCBs and Circuit Diagrams ................................ 10…41
Variant.List.......................................................................................10
Chassis.Board.ZA1190-15..............................................................12
–. Power.Supply...............................................................................17
–. Horizontal.Defelection..................................................................18
–. Vertical.Deflection........................................................................18
–. Tuner............................................................................................19
–. Tuner.PIP.....................................................................................19
–. Main.Circuit.Diagram...................................................................20
Chassis.Board.ZA9190-05..............................................................22
–. Power.Supply...............................................................................27
–. Horizontal.Defelection..................................................................28
–. Vertical.Deflection........................................................................28
–. Tuner............................................................................................29
–. Tuner.PIP.....................................................................................29
–. Main.Circuit.Diagram...................................................................30
Feature.Modul.ZA1196....................................................................32
CRT.Panel.ZA1194..........................................................................37
Standby.Power.Supply.ZA1198.......................................................39
Dynamic.Focus.ZA1195..................................................................39
Keyboards.7S2191./.GX7191./.K46191./.K46193...........................40
IR.Receiver.GX7192........................................................................41
Socket.Boards.7PZ194./.K46195....................................................41
Spare Parts Lists .................................................................. 42…51
General Section
Introduction
This.Supplement.of.Service.Manual.describes.variants.of.alternative.
devices.embedded.with.chassis.22.1..The.modified.layout.of.PCBs.
and.circuit.diagrams.are.included..
Additionally,.observe.the.variant.list.for.all.sets.
Note:
Basic.instructions.for.servicing.are.given.in.following.Service.Manuals:
–. Service.Manual.Safety,.Part.Number.720108000001
–. Service.Manual.Chassis.22.1,.Part.Number.720100475000
General Notes
Attention: Observe the ESD safety regulations
Before opening the cabinet disconnect the mains plug!
Wiring
Before.disconnecting.any.leads.and.especially.the.earth.connecting.
leads.observe.the.way.they.are.routed.to.the.individual.assemblies.
On.completion.of.the.repairs.the.leads.must.be.laid.out.as.originally.
fitted.at.the.factory.to.avoid.later.failures.or.disturbances.
Change of the Feature Board
After.changing.the.feature.board.all.settings.in.the.service.mode.must.
be. done. according. to. the. table. "Basic. Settings". (points. 1. and. 2. in.
chapter."Service.and.Special.Functions".on.page.5).
Allgemeiner Teil
Einführung
In. dieser. Service-Manual-Ergänzung. sind. weitere. Gerätevarianten.
dokumentiert,.die.mit.dem.Chassis.22.1.ausgestattet.sind..Des.Weiteren.
sind.geänderte.Platinenabbildungen.und.Schaltpläne.enthalten.
Zusätzlich.ist.bei.allen.Geräten.die.Variantenliste.zu.beachten...
Hinweis:
Grundlage.für.den.Service.sind.folgende.Service.Manuals:
–. Service.Manual.Sicherheit,.Materialnummer.720108000001
–. Service.Manual.Chassis.22.1,.Materialnummer.720100475000
Allgemeine Hinweise
Achtung: ESD-Vorschriften beachten
Vor dem Öffnen des Gehäuses zuerst den Netzstecker ziehen!
Leitungsverlegung
Bevor.Sie.die.Leitungen.und.insbesondere.die.Masseleitungen.lösen,.
muss.die.Leitungsverlegung.zu.den.einzelnen.Baugruppen.beachtet.
werden.
Nach.erfolgter.Reparatur.ist.es.notwendig,.die.Leitungsführung.wieder.
in.den.werkseitigen.Zustand.zu.versetzen.um.evtl..spätere.Ausfälle.
oder.Störungen.zu.vermeiden.
Austausch der Feature-Platte
Nach.Austausch.der.Feature-Platte.müssen.alle.Einstellungen.im.Ser-
vice.Mode.nach.Tabelle."Grundeinstellwerte".(Punkte.1.und.2.im.Kapitel.
"Service-.und.Sonderfunktionen".auf.Seite.5).eingestellt.werden.