Grundig STR 641 Service Manual

This is the 10 pages manual for Grundig STR 641 Service Manual.
Read or download the pdf for free. If you want to contribute, please mail your pdfs to info@audioservicemanuals.com.

Page: 1 / 10
left right
Grundig STR 641 Service Manual

Extracted text from Grundig STR 641 Service Manual (Ocr-read)


Page 1

GRunDIG

Service M anual
SAT

STR 641
STR 641 EURO
STR 642
STR 642 EURO

MEGAGIC!

aaunma

Zusfiizlich erforderliche
Unterlagen f'Lir den Kompleflservice

Addiu'onally required
Service M anuals for me Complete Service

Document supplemenm ire nécessaire pour

Ia maintenance: 50 * 32700 #
. . . Sachnummer
ELgpaIIrIlémnegm Servrce Servrce Servrce Part N umber
Supplémenk Manual Manual Manual Ref.N° 72010-02031
STR 631 STR 631 F Sicherheit --
1 STR 632 STR 632 F Safety Anderungen vorbehalten
Subjectto alteration
gamut/WNW SachrNrJParthJ SachrNr/PartNoJ SachrNr/PariNoJ Sous reserve de modifications
Ref. N° Ref. N" Ref N Ref N" .
72010702031 72010702030 7201002040 720107800 00 Printed in Germany
VK22 D897

Page 2

A/Igemeiner Teil / General Section / Parr/e genera/e

STH641...,STR 642...

@

lnhaltsverzeichnis


Technische Daten
Modulubersicht...
Chassisplatte PCBs
Schaltplan Netzteil
Schaltplan Signaltei

11

Ersatzteilliste ............................................. 15

Einfifihrung

FUr diese Gerate gilt das Service Manual

STR 631 / 632.

Diese Erganzung dokumentiert die Unterschie-

de bzw. zusatzlichen Bestflckungen der Gera-

te.

Die Bausteinbestflckung und die Sachnummern

der einzelnen Bausteine entnehmen Sie bitte

der Tabelle auf Seite 2.

Grundlage fI'Jr den Service sind:

- Sicherheitsvorschriften (Sach-Nr. 72010-
800.00)

- Service Manual STR 631 / 632 (Sach-Nr.
72010-02030)

Technische Daten

Programmspeicherplatze 300 TV/Radio
Eingangsfrequenzbereich 950...2150MH2
SAT-ZF-Eingang STR 641 . 1
SAT-ZF-Eingang STFI 642. 2
ZF-Bandbreite .................. 7MHz
LNB-Spannung 13/18V, max. 400mA
DiSEqC ....... DiSEqC 1.0
LNB-Schaltsignal ...... 22kHz
LNB-Anpassung

.......... 4 auswahlbare LO- Frequenzen
LNB- -E-Igen -Oszil|ator.. 9, 0.. .11 ,99 variabel
Ton- Frequenzbereich 5,0...9,99MHZ
Stereo .. Panda Wegener
Ton-Bandbreite
Ton-Deemphasis umschaltbar
Videohub .....
Videopolari at
Anzeige STR 641
Anzeige STR 642

OSD-Menu .. ....... D/GB/E/P
Scartbuchsen , VCR, Decoder
Modulator . Kanal 21...69
Netzspannung. . 220...240V
Regelbereich . 185...265V
Netzfrequenz .50 / 60HZ
Fernbedienung TP 820 SAT
Keyboard ........................... 4 Tasten
Abmessungen (BxHxT) . 400x70x235 mm

Gewicht ..................
Leistungsaufnahme mit LNC
Leistungsaufnahme in Standby ........ ca 5,5W

Table of Contents


Technical Data
Module List.....
Layouts of the PCBs .

Circuit Diagram Power Supply
Circuit Diagram Signal Section .. 11
Spare Parts List ........................................ 15

Introduction

Forthese TV sets the Service Manual STR 631 /
632 is applicable.
This Manual describes the differences and the
additionally titted modules of the TV receivers.
The individual modules and the relevant part
numbers are listed in the table on page 2.
Basic instructions for servicing are given in the:
- Safety Instructions (Part No. 72010-80000)
- Service Manual STR 631 / 632 (Part No.
72010-02030)

Technical Data

Programme memory locations 300 TV/Ftadio
Input frequency range .. .950...2150MH2
SAT lF-input STR 64 .1

SAT lF-input STFt 64 .2
IF bandwidth ............ . 27MHZ
LNB power 13/18V, max. 400mA
DiSEqC .DiSEqC1.0
LNB switching signal ...... 22kHz

LNB-Adaption
.......................... 4 variabel LO-Adiustments
LNB local oscillator ......... 9.0 .11.99 variable
Sound frequency range 5.0...9.99MH2
Stereo ............ Panda Wegener
Audio bandwidth 50/100/150/200kHZ
Sound de-emphas switchable 5ps/J17
Video deviation variable
Video polarity posi Ive/negative
Display STR 641
Display STR 642..


OSD menu .. ........... D/GB/E/P
Scart sockets . TV, VCR, Decoder
Modulator . channel 21...69
Mains supply 220...240V

Control range . -- ..185...265V

Mains frequency 50 / 60HZ
Remote control handse TP 820 SAT
Keyboard ........................... 4 keys
Dimensions (WxHxD) 400x70x235 mm
Weight ............ . ca. 2kg
Power consumption with LNC ca. 22W
Power consumption in standby .......ca. 5.5W

Moduliibersicht / Module List / Composition des appareillles

®

Sommaire

Caractéristiques techniquees.
Composition des appareillles.
Circuits imprimes du C.I. Principal
Schema du C.I. Alimentation
Schema du I'étage de traitement du srgna


1 1
Liste de pieces detachees ........................ 16

Introduction

Pour ces teléviseurs Ie Service Manual

STR 631 /632 EURO est valable.

Ce supplement contient les differences ainsi

que les équipernents complementaires des

appareils.

Lalistedesmodulesetdesnumérosdereference

sont indiques sur Ie tableau de la page 2.

Les documents de base pourla maintenance sont:

- Prescriptions de Securite (Rét. N 72010-
800.00)

- Service Manual STR 631 / 632 EURO
(Ref. N° 72010-02040)

Caractéristiques techniques

Positions de progr. memor. ..... 300 TV/Radio
Niveau de tréqu. de reception 950...2150MHZ
Entrée Fl SAT STFI 641 .. . 1

Entrées Fl SAT STR 642 . 2
Largeur de bande Fl 27MHz
LNB- de puissance. 13/18V, max. 400mA
DiSEqC ............. . DiSEqC 1.0
Signal de commutation LNB ....... 22kHz

Adaption LNB

.................... 4 L0 trequences a selectionner
Local oscillateur LNB ...... . 9,0. . .1 1,99 variable
Frequence porteuse audio . . 5,0. . .9,99MHz
Stereo ................... Panda Wegener
Bande passante audio 50/100/150/200kHz
Desaccentuation audio, oommut 75ps/J17
Exursion video ...... .variable
Polarite video poSI Ive/negative

Afficheur STR 641 . 3-digit LED
Afficheur STR 642. ...... VFD
Menu OSD ................ D/GB/E/P
Embases Scar V, VCR, Decodeur

Modulateur .....
Tension d'alimentation .
Plage de réglage
Fréquence du réseau

Télécommande . .TP 820 SAT


Keyboard . .4 touches
Dimensions (LxHxP) . 400x70x235 mm
Poids .................

Puissance avec LNC

Puissance en veille ....................... env. 5, 5W

BesteII-Nr.
Order No.
No. de Commande

Modulator
Modulateur

Tuner

FIuoreszenz-Anzeige
Fluorescence Display
Indication de Flouresc.

Fernbedienung

Remote Control

Telecommande
TP 820 SAT

LED-Platte kpl.
LED Board cpl.
Principal de LED cpl.

STR 641 GAC 6251 75990-90031 75990-90054 - 75990-90022 29642-06103
STR 641 EURO GAD 5151 75990-90031 75990-90054 - 7599090022 29642-06103
STR 642 GAD 4051 75990-90043 75990-90042 75990-90041 - 29642-06103
STR 642 EURO GAD 5251 75990-90043 75990-90042 75990-90041 - 29642-06103

C

GHUND/G Service