General Section
GV 26 EURO, GV 6000 EURO, GV 6300 EURO
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GRUNDIG Service
2. Special Functions
Continuous Operation Test
The continuous recording and playback test is part of the service test
programme. A discovered fault is stored in the EEPROM and is saved
even if the VCR is disconnected from the mains.
Calling up the Continuous Operation Test
– Start the continous test with button
●
(Record) or
e
(Play).
Terminating the Continuous Operation Test
– Press
■
(STOP) button or
8
"STANDBY" button.
Cleaning the Headwheel
The video heads are cleaned briefly during the video tape is threaded
in. By pressing the "TRACKING" button (min. 5s) the cleaning in play
mode can be activated for approximately 10s. In doing so, the tape
transport is stopped and the video head cleaning roller is pressed
against the headwheel. Afterwards, play is continued.
Erasing the RAM and EEPROM
While connecting the machine to the mains, press and hold the
8
"STANDBY" button on the local keyboard for at least 5s.
The EEPROM and the internal processor RAM are erased and
initialized. In doing so, the customised station memory and the timer
data are erased. The specific data of the VCR, the tape deck param-
eters, VCR option codes, and the adjustment values remain un-
changed.
Replacement of the EEPROM IC7890
Attention: On replacement of the EEPROM, IC7890, the machine
must be readjusted according to the Levels 51, 52 (op-
tional), and 53, and the VCR option code Level 40 must be
entered.
