Grundig GV 470 S VPT Service Manual Download

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GRUNDIG Servicetechnik

Allgemeiner Teil / General

GV470S…

Meßgeräte / Meßmittel

Regeltrenntrafo

Farbgenerator

Zweikanaloszilloskop

Tongenerator

Digitalmultimeter

Stabilisiertes Netzgerät

Millivoltmeter

Frequenzzähler

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

Grundig electronics GmbH
Würzburger Str. 150
D-90766 Fürth/Bay.
Tel. 0911/7330-0
Telefax 0911/7330-479

Sach-Nr.

Testcassette ................................................................ 9.27540 - 1011
Testcassette (HiFi) ...................................................... 9.27540 - 1016
Drehmomentmesser 600gf-cm ................................... 75987 - 262.72
Adapter ....................................................................... 75987 - 262.73
Einstellschraubendreher ............................................. 75987 - 262.80
Bandzug-Einstellgriff und stift ..................................... 75988 - 002.27
Kopfscheibenabzieher ................................................ 75988 - 002.37
Nylonhandschuhe ......................................................... handelsüblich
Tentelometer ................................................................. handelsüblich

Diese Meßmittel können Sie über die Serviceorganisation beziehen.
Wir weisen jedoch darauf hin, daß es sich hierbei z.T. um Meßmittel
handelt, die am Markt bereits eingeführt sind.

Testcassette

Sach-Nr. 9.27540-1011

• Farbtestbild mit Dropout-Einblendung
• 6,3kHz-Senkrecht-Vollspuraufzeichnung und Bezugspegel 333Hz

in dreiminütigem Wechsel.

Testcassette (HiFi)

Sach-Nr. 9.27540-1016

• Farbtestbild mit Dropout-Einblendung
• Längsspur-Ton: 6,3kHz und 333Hz
• FM-Ton: 1kHz Vollpegel (

50kHz Hub)

Video-Lehrfilm

Sach-Nr. 72007-744.81

• Laufwerk "High Speed Drive"

Test Equipment / Aids

Variable isolating transformer

Colour generator

Dual channel oscilloscope

AF Generator

Digital multimeter

Stabilized power supply

Millivoltmeter

Frequency counter

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

Grundig electronics GmbH
Würzburger Str. 150
D-90766 Fürth/Bay.
Tel. 0911/7330-0
Telefax 0911/7330-479

Part no.

Test cassette ............................................................... 9.27540 - 1011
Test cassette (HiFi) ..................................................... 9.27540 - 1016
Torquemeter ............................................................... 75987 - 262.72
Adapter ....................................................................... 75987 - 262.73
Adjustment screw driver .............................................. 75987 - 262.80
Tape tension adjustment tool - handle and - pin ......... 75988 - 002.27
Headwheel extractor ................................................... 75988 - 002.37
Nylon gloves ....................................................... commonly available
Tentelometer ....................................................... commonly available

You can order these test equipments from the Service organization.We
refer to you that these test equipments are already obtainable on the
market.

Test cassette

Part no. 9.27540-1011

• Colour test pattern with dropout recording
• 6.3kHz vertical full-track recording alternating with 333Hz reference

level every 3 minutes.

Test cassette (HiFi)

Part no. 9.27540-1016

• Colour test pattern with dropout recording
• Longitudinal track sound: 6.3kHz and 333Hz
• FM sound: 1kHz full level (

50kHz deviation)

Video Training Film

Part no. 72007-744.81

• Drive mechanism "High Speed Drive"

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 95s

FS-Norm
CCIR, B/G/H - PAL ............................ GV 470 S VPT, GV 470 S NIC
CCIR, B/G - SECAM .................................................... GV 470 S NIC

Video
Signal / Rauschabstand ............................... 46dB

3dB (unbewertet)

Auflösung (VHS) .................................................................. ca. 3MHz
Auflösung (S-VHS) ............................................................... ca. 5MHz

Ton
Frequenzgang
Standard play: ..................................................... 40Hz…10kHz

≤

5dB

Longplay: .............................................................. 40Hz…5kHz

≤

5dB

HiFi-Betrieb: ........................................................ 20Hz…20kHz

≤

2dB

Störabstand
Standard play: ........................................................

≥

46dB (bewertet)

Longplay: ...............................................................

≥

43dB (bewertet)

HiFi-Betrieb: ...........................................................

≥

80dB (bewertet)

Gleichlaufschwankung
Standard play: ...................................................

≤

0,35% (DIN 45507)

Longplay: ............................................................

≤

0,5% (DIN 45507)

Netzspannung .......................................................... 180V~…240V~
Netzfrequenz ..................................................................... 47…63Hz
Leistungsaufnahme
– Aufnahme ............................................................................ ca. 24W
– EE-Betrieb ........................................................................... ca. 18W
– Stand by (Modulator aus) .................................................... ca. 12W

Umgebungstemperatur ............................................ +10

C…+35

Relative Luftfeuchte ................................................................

≤

80%

Betriebslage ...................................................................... horizontal

Specification

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 95s

TV standard
CCIR, B/G/H - PAL ............................ GV 470 S VPT, GV 470 S NIC
CCIR, B/G - SECAM .................................................... GV 470 S NIC

Video
Signal / noise ratio ...................................... 46dB

3dB (unweighted)

Video resolution (VHS) ................................................ approx. 3MHz
Video resolution (S-VHS) ............................................. approx. 5MHz

Sound
Frequency response
Standard play: ..................................................... 40Hz…10kHz

≤

5dB

Longplay: .............................................................. 40Hz…5kHz

≤

5dB

HiFi mode: ........................................................... 20Hz…20kHz

≤

2dB

Signal / noise ratio
Standard play: ........................................................

≥

46dB (weighted)

Longplay: ...............................................................

≥

43dB (weighted)

HiFi-Betrieb: ...........................................................

≥

80dB (weighted)

Wow and flutter
Standard play: ...................................................

≤

0.35% (DIN 45507)

Longplay: ............................................................

≤

0.5% (DIN 45507)

Mains voltage ........................................................... 180V~…240V~
Mains frequency ................................................................ 47…63Hz
Power consumption
– Record ........................................................................ approx. 24W
– EE mode ..................................................................... approx. 18W
– Stand by mode (Modulator off) ................................... approx. 12W

Ambient temperature .............................................. +10

C … +35

Relative humidity ....................................................................

≤

80%

Operating position ............................................................ horizontal