Meßgeräte / Meßmittel; Technische Daten - Grundig GV 27 Servicehandbuch

Allgemeiner Teil / General Section
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 Instruments
Test- und Meßsysteme GmbH
Würzburger Str. 150, D-90766 Fürth/Bay.
Tel. 0911/703-4118, Telefax 0911/703-4130
Sach-Nr.
Testcassette ................................................................ 9.27540-1011
Testcassette (HiFi) ...................................................... 9.27540-1016
Drehmomentmesser 600gf-cm ................................... 75987-262.72
Adapter für Drehmomentmesser 600gf-cm ................. 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"

Technische Daten

VHS-System
1/2" Video - Cassettenrecorder
Bandgeschwindigkeit .............................. 2,339cm/s (Standard play)
Aufzeichnungsgeschwindigkeit ................... 4,84m/s (Standard play)
FS-Norm
CCIR, B/G/H - PAL
CCIR, B/G - SECAM
Video
Signal / Rauschabstand ......................................... ≥48dB (bewertet)
Auflösung ........................................................................... ca. 3MHz
Ton
Frequenzgang:
Standard play ..................................................... 80Hz...10kHz ±4dB
Longplay .............................................................. 80Hz...5kHz ±4dB
FM-Ton ........................................................... 20Hz...20kHz ±1,5dB
Signal / Rauschabstand ......................................... ≥43dB (bewertet)
Gleichlaufschwankung: ....................................... ≤0,3% (DIN 45507)
Netzspannung ......................................................... 220V~...240V~
Netzfrequenz ................................................................... 45...63Hz
Leistungsaufnahme
– Aufnahme (Mono-Variante) ............................................ ca. 12,5W
– Aufnahme (Stereo-Variante) ............................................. ca. 15W
– Stand by (Modulator aus) ................................................. ca. 9,5W
– Energiesparbetrieb (Option) .................................................... <6W
Umgebungstemperatur ........................................... +10°C...+35°C
Relative Luftfeuchte ............................................................... ≤80%
Betriebslage ..................................................................... horizontal
1 - 5
GV 27 ..., GV 47 ..., GV 7...
Test Equipment / Jigs
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 Instruments
Test- und Meßsysteme GmbH
Würzburger Str. 150, D-90766 Fürth/Bay.
Tel. 0911/703-4118, Telefax 0911/703-4130
Part No.
Test cassette ............................................................... 9.27540-1011
Test cassette (HiFi) ..................................................... 9.27540-1016
Torquemeter 600gf-cm ............................................... 75987-262.72
Adapter for torquemeter 600gf-cm .............................. 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 a number of these test equipments is 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"
Specifications
VHS-System
1/2" video cassette recorder
Tape speed ............................................. 2.339cm/s (Standard play)
Head to tape speed ..................................... 4.84m/s (Standard play)
TV standard
CCIR, B/G/H - PAL
CCIR, B/G - SECAM
Video
Signal / noise ratio ................................................ ≥48dB (weighted)
Video resolution ................................................................. ca. 3MHz
Sound
Frequency response:
Standard play ..................................................... 80Hz...10kHz ±4dB
Longplay .............................................................. 80Hz...5kHz ±4dB
FM Sound ....................................................... 20Hz...20kHz ±1.5dB
Signal / noise ratio ................................................ ≥43dB (weighted)
Wow and flutter ................................................... ≤0.3% (DIN 45507)
Mains voltage .......................................................... 220V~...240V~
Mains frequency .............................................................. 45...63Hz
Power consumption
– Record (mono type) ....................................................... ca. 12.5W
– Record (stereo type) ......................................................... ca. 15W
– Stand by mode (Modulator off) ........................................ ca. 9.5W
– Low power (option) ................................................................. <6W
Ambient temperature ............................................... +10°C...+35°C
Relative humidity ................................................................... ≤80%
Operating position ........................................................... horizontal
GRUNDIG Service
Allgemeiner Teil / General Section
Anschlußmöglichkeiten:
EURO-AV1 / AV2
Audio
±3dB, ≤1kΩ
– Kontakt 1, Ausgang rechts ........................... 500mV
eff
– Kontakt 2, Eingang rechts .................................... 0,2...2V, ≥10kΩ
±3dB, ≤1kΩ
– Kontakt 3, Ausgang links .............................. 500mV
eff
– Kontakt 6, Eingang links ....................................... 0,2...2V, ≥10kΩ
Video
– Kontakt 19, Videoausgang (FBAS) ........... 1V +1dB / -2dB, 75Ω
SS
±3dB, 75Ω
– Kontakt 20, Videoeingang (FBAS) ....................... 1V
SS
Schaltspannung
(bei nur einer EURO-AV-Buchse dient der Kontakt 8 als Aus- und Eingang)
– Kontakt 8,
Ausgang bei AV1
................ LOW 2V, HIGH 9,5V, Ansprechzeit 5ms, ≥10kΩ, ≤2nF
Eingang bei AV2 ............................. LOW 2V, HIGH ≥4,5V, ≥10kΩ
RGB
(die Signale werden nur von der EURO-AV2 zur EURO-AV1-Buchse durchgeschleift)
– Kontakt 7, Blau
– Kontakt 11, Grün
– Kontakt 15, Rot
– Kontakt 16, Synchron
±3dB, 1kΩ
Audio-Ausgang (Geräterückseite) .................. 500mV
eff
Hinweis:
Diese Ausgänge sind den Ausgängen der EURO-AV1-Buchse parallel
geschaltet.
Modulator
Durchschleifbetrieb
– Frequenzgang .......................................................... 45...860MHz
– Dämpfung
Antenneneingang – TV-Ausgang .......................... 2dB +3dB/-2dB
Antenneneingang – Tuner-Ausgang ..................... 2dB +3dB/-2dB
Modulatorausgangskanal Kanal 21...55
(über I 2 C-Bus einstellbar) ..................
Tuner
Frequenzgang .............................................................. 45...860MHz
Eingangspannung ....................................................... 60...100dBµV
1 - 6
GV 27 ..., GV 47 ..., GV 7...
Connections:
EURO-AV1 / AV2
Audio
±3dB, ≤1kΩ
– contact 1, right output ................................. 500mV
rms
– contact 2, right input ............................................. 0.2...2V, ≥10kΩ
±3dB, ≤1kΩ
– contact 3, left output ................................... 500mV
rms
– contact 6, left input ............................................... 0.2...2V, ≥10kΩ
Video
– contact 19, output video (CVBS) ............... 1V +1dB / -2dB, 75Ω
PP
±3dB, 75Ω
– contact 20, input video (CVBS) ............................ 1V
PP
Switch voltage
(if there is only one EURO-AV socket, contact 8 is used as input and output)
– contact 8,
AV1 output
....................... LOW 2V, HIGH 9.5V, rise time 5ms, ≥10kΩ, ≤2nF
AV2 input ........................................ LOW 2V, HIGH ≥4.5V, ≥10kΩ
RGB
(the signals are only looped through from the EURO-AV2 to EURO-AV1 socket)
– contact 7, blue
– contact 11, green
– contact 15, red
– contact 16, sync
±3dB, 1kΩ
Audio output (rear side) ................................ 500mV
rms
Note:
These outputs are connected in parrallel with the outputs of the EURO-
AV1 socket.
Modulator
Loop-through mode
– Frequency response ................................................ 45...860MHz
– Attenuation
Aerial input – TV output ......................................... 2dB +3dB/-2dB
Aerial input – Tuner ouput ..................................... 2dB +3dB/-2dB
Modulator output channel Channel 21...55
(adjustable via I 2 C-bus) ...............
Tuner
Frequency response .................................................... 45...860MHz
Input voltage ............................................................... 60...100dBµV
GRUNDIG Service