Service manual

GV 30, GV 50 Allgemeiner Teil / General Section
GRUNDIG Service 1 - 5
Technische Daten
VHS-System
1/2” Video - Cassettenrecorder
Bandgeschwindigkeit .............................. 2,339cm/s (Standard play)
Aufzeichnungsgeschwindigkeit ................... 4,84m/s (Standard play)
Umspulzeit bei Vor-/Rücklauf mit E180-Cassette: .......... typisch 48s
FS-Norm
CCIR, B/G/H - PAL
CCIR, B/G - SECAM
CCIR, D/K - SECAM
1)
CCIR, L/L´ - SECAM
1)
Video
Signal / Rauschabstand ........................................ 44dB (bewertet)
Auflösung ........................................................................... ca. 3MHz
Ton
Frequenzgang:
Standard play .............................................. 80Hz10kHz (+6/-9dB)
Longplay
1)
..................................................... 80Hz…5kHz (+6/-9dB)
HiFi
1)
........................................................... 20Hz…20kHz (+2/-4dB)
Signal / Rauschabstand ........................................ 43dB (bewertet)
Gleichlaufschwankung: ...................................... 0,3% (DIN 45507)
Netzspannung ......................................................... 220V~…240V~
Netzfrequenz ................................................................... 50…60Hz
Leistungsaufnahme
Aufnahme .......................................................................... ca. 18W
Standby (Modulator aus) ........................................................ 6W
Energiesparbetrieb ................................................................. 2W
Umgebungstemperatur .............................................+5°C…+40°C
Relative Luftfeuchte ............................................................... 80%
Betriebslage ..................................................................... horizontal
1)
siehe Feature-Übersicht (Seite 1-4)
Specifications
VHS System
1/2” video cassette recorder
Tape speed ............................................. 2.339cm/s (Standard play)
Head to tape speed ..................................... 4.84m/s (Standard play)
Winding time of forward wind/rewind of a E180 Cassette: typically 48s
TV standard
CCIR, B/G/H - PAL
CCIR, B/G - SECAM
CCIR, D/K - SECAM
1)
CCIR, L/L´ - SECAM
1)
Video
Signal / noise ratio ............................................... 44dB (weighted)
Video resolution ................................................................. ca. 3MHz
Sound
Frequency response:
Standard play .............................................. 80Hz10kHz (+6/-9dB)
Longplay
1)
..................................................... 80Hz…5kHz (+6/-9dB)
HiFi
1)
........................................................... 20Hz…20kHz (+2/-4dB)
Signal / noise ratio ............................................... 43dB (weighted)
Wow and flutter .................................................. 0.3% (DIN 45507)
Mains voltage .......................................................... 220V~…240V~
Mains frequency.............................................................. 50…60Hz
Power consumption
Record .............................................................................. ca. 18W
Standby mode (Modulator off) ............................................... 6W
Low power .............................................................................. 2W
Ambient temperature .................................................+5°C…+40° C
Relative humidity ................................................................... 80%
Operating position ........................................................... horizontal
1)
see Table of Features (page 1-4)
Test Equipment / Jigs
Variable isolating transformer Frequency counter
Dual channel oscilloscope Colour generator
Digital multimeter AF generator
Millivoltmeter Stabilized power supply
Please note the Grundig Catalog "Test and Measuring Equipment"
obtainable from:
Grundig AG
Geschäftsbereich Instruments
Test- und Messsysteme
rzburger Str. 150, D 90766 Fürth
Tel.: 0911 / 703-4118; Fax: 0911 / 703-4130
eMail: instruments@grundig.de
Internet: http://www.grundig-instruments.de
Part Number
Test cassette (black & white) .................................. 75988 061 7000
Luminance test pattern for video resolution
Longitudinal track sound: 6kHz
Torque cassette meter ............................................ 75988 047 1200
Torque meter 600gf-cm .......................................... 75981 311 3200
Torque screwdriver ............................................ commonly available
Screwdriver (slotted) .......................................... commonly available
Nylon gloves ...................................................... commonly available
Slide gauge ........................................................ commonly available
Oil ............................................................................ 75988 061 7700
Grease ............ 75988 061 7800, 75988 061 7900, 75988 061 8000
Head conducting paste ...................................... commonly available
Messgeräte / Messmittel
Regeltrenntrafo Frequenzzähler
Zweikanaloszilloskop Farbgenerator
Digitalmultimeter Tongenerator
Millivoltmeter Stabilisiertes Netzgerät
Beachten Sie bitte das Grundig Messtechnik-Programm, das Sie unter
folgender Adresse erhalten:
Grundig AG
Geschäftsbereich Instruments
Test- und Messsysteme
rzburger Str. 150, D 90766 Fürth
Tel.: 0911 / 703-4118; Fax: 0911 / 703-4130
eMail: instruments@grundig.de
Internet: http://www.grundig-instruments.de
Materialnummer
Testcassette (Schwarzweiß) .................................. 75988 061 7000
Testbild für Luminanzauflösung
ngsspur-Ton: 6kHz
Drehmomentcassette .............................................. 75988 047 1200
Drehmomentmesser 600gf-cm ............................... 75981 311 3200
Drehmomentschraubendreher .................................... handelsüblich
Schraubendreher (eingesägt) ..................................... handelsüblich
Nylonhandschuhe ...................................................... handelsüblich
Schieblehre ................................................................. handelsüblich
Öl ............................................................................ 75988 061 7700
Fett .................. 75988 061 7800, 75988 061 7900, 75988 061 8000
rmeleitpaste ........................................................... handelsüblich