GV 64 �, GV 65 �, GV 66 �, SE 6106 HiFiService Test Programme & Special Functions
� Monitoring the tape deck functionsLevel 10: Tape Deck Sensors and VCR Function
For monitoring the tape deck functions the tape deck is fitted withwithout Drive to the Tape Deck
sensors which supply the following tacho signals according to theAt this level, the tape deck sensors are indicated on the display as
function:explained at Level 03. Additionally, the VCR functions can be selected
� WTR � reel rightand the respective signal paths are released for fault finding (without
� WTL � reel lefttape deck).
� FTA � threading tachoThe tape deck is not driven at this level. Termination of this function is
� FG � capstan motoronly possible by switching the VCR on and off or by disconnecting it
� PG/FG � headwheel motorfrom the mains.
When one tacho pulse is missing during the operation of the tape
Level 40: VCR Option Codes
deck, the VCR tries to move the cassette compartment to the
The VCR option codes "A"�"H" serve the purpose of activating the
"EJECT" position.
respective software of the different VCR versions stored in the mask-
Level 03: Man. Tracking, Tape Deck Sensors and VCR Functionprogrammed mC's. The option code is stored in the EEPROM
� Manual tracking� When calling up Level 40 the request for entering option code "A"
The tracking position in the service test programme is set to mid-(SECSATPROGPALSTARC+TDATESTPDCVPSOP) appears on the display.
position. Pressing the "TRACKING " button first it is possible with the CAt the same time all option codes are displayed on the screen of
or D button to change the tracking position to the required positionthe connected television receiver.
for tape transport adjustment (see chap. 5 � Tape Deck).� Select the desired option code "A"�"H" with the CD buttons.
� Tape deck sensors� Enter the option code, for example option code "A":
For checking the tape deck sensors (Init switch, threading tacho,� Enter option code "A" - see VCR type plate (e.g. "004") - on the
tape start, tape end, record lock, winding tacho left / right) theremote control.
operating positions are indicated on the display by means of a digitalAttention:All functions will operate only if the option code has
place. The indicated value changes with each operation of thebeen entered correctly.
sensors.� Confirm the entered code with the G button on the remote
� VCR functioncontrol.
The VCR function code (see Level 02 � Error Status / VCR FunctionFor checking the entered code, the display shows for approx. 5s the
Table) indicates the position of the cassette compartment and of theindication " SASECTPROGPALSTARC+TDATESTVPSOPPDC ".
threading roller units.Subsequently, the VCR switches automatically back to the
request for entering the next option code.
PROGSTARTSTOP
SEC PALC+VPS� The option codes "B" ... "H" are entered in the same way as option
SATDATEPDC
code "A".
VCR functionLevelLevel 41: Changing the VideoPlus code numbers (guide channel)
The VideoPlus code numbers can be changed on request for each
programme position.
Init swith
End of TapePROGSTARTSTOP
SEC PALC+VPS
Threading tachoRight reel tachoSATDATEPDC
Left reel tachoBeginning of tape
Record protection
Programme Code NumberLevel
Level 04: Operating Hours Meter
The operating hours meter indicates the number of hours the headwheelCall up Level 41. With DC on the remote control select the code
has been rotating.number between 1 and 255, enter the programme position with the
numbered buttons 0� 9 and confirm with G. It is possible to enter
PROGSTARTSTOP
SEC PALC+VPSmore than one VideoPlus code number on each programme position.
SATDATEPDC
Changed code numbers can be cleared with the "CLEAR " button.
Level 98: Display Test
Operating Hours MeterLevel
On selection of this level, all segments of the display illuminate at
medium luminous intensity. This test can be left by disconnecting the
Level 05: Bus Communication Error Indicationmachine from the mains.
The I2C bus is used by the mC to communicate with its peripheral circuit
stages. Bus errors are indicated in the form of code numbers which can
be stepped through with the D button should more errors be found.
PROGSTARTSTOP
SEC PALC+VPS
SATDATEPDC
CodeError DescritionLevel
00No Error
01Tuner
02Modulator
05VPS/PDC
06Teletext
07Audio processor
08Video matrix
09NICAM
10Stereo decoder
GRUNDIG Service2 - 5 |
ACEC
