Diagnostic ProgrammeGV 29�, GV 9000�, GV 9300�
GBDiagnostic Programme
These video recorders are provided with a Diagnostic Programme thatCode 08/09
identifies occasionally occurring faults and stores the respective errorFault:Fault when sequentially switching through the indi-
codes. The error code and the code of the operating mode in which thevidual mechanism mode positions.
error occurred can be called up.Status:Mechanism is in the position in which the fault oc-
Activating the diagnostic displaycurred, VCR switches to Standby mode.
� Press and hold down the o button (at least 10s) until the displayCause:Mode switch
mode changes:Code 10
Fault:Capstan motor does not rotate, cassette is ejected
when having inserted it.
Error codeOperating mode codeStatus:Mechanism changes to the EJECT position.
Operating hours meterVideo head output signalCause:Capstan motor, drive to the capstan motor.
� After about 10s the display is reset to the Standby mode.Code 11
Clearing the error code and operating mode codeFault:Headwheel does not rotate, cassette is ejected when
� These codes can be cleared by pressing the "0" button during thehaving inserted it.
Status:Mechanism changes to the EJECT position.
display of the error code and the operating mode code.Cause:Tape drum assy, tape drum drive.
Error codesCode 12
Fault:Pulley, friction clutch does not rotate, cassette is
"Fault"specifies the fault occurred.
"Status"specifies the operating mode to which the VCR changesejected when having inserted it.
when the fault occurs.Status:Mechanism changes to the EJECT position.
Cause:Pulley, friction clutch, belt, torque of friction clutch.
"Cause"specifies locations to search for the fault.
Code 00
Operating mode codes
Fault:There is no abnormality in the mechanism.
Code 01Code Operating mode
00Cassette Out
Fault:Headwheel motor does not rotate.01Standby
Status:The VCR switches to Standby mode.
Cause:Headwheel motor, drive to the headwheel motor,02Stop
cassette tape wound around the headwheel.03Still
04Record-Pause
Code 0205Dubbing-Pause
Fault:Reels do not rotate.06Frame Advance
Status:VCR switches to Standby mode.07Slow
Cause:Blockage of reels, reel belt, reel torque is too low.08Play
09Record
Code 0310Dubbing
Fault:Capstan motor does not rotate.
Status:VCR switches to Standby mode.11Play (2x speed)
Cause:Capstan motor, drive to the capstan motor.12Picture Search Forward
13Picture Search Reverse
Code 0414Fast Forward
Fault:Tape cannot be loaded. Unloading is ok.15Reverse
Status:Mechanism unloads, changes to INITIAL position,16Video Insert
VCR changes to Standby mode.17Video Insert-Pause
Cause:Jammed tape guides of the threading roller units,18Audio/Video Insert
loading motor, drive to the loading motor.19Reverse Play (2x speed)
Code 0599others
Fault:Loading and unloading the tape is not possible.
Status:Mechanism is in the position in which the fault oc-Video head output signal
curred, VCR switches to Standby mode.The Diagnostic Programme is also responsible for monitoring the
Cause:Jammed tape guides of the threading roller units,video head output signals. If the signal of one or of the two video heads
loading motor, drive to the loading motor.is too low, the letter "L" will flash in the diagnostic display. In this case,
Code 06check the tracking position, the inserted cassette, the video heads and
Fault:Ejecting the cassette is not possible.the signal paths. The evaluated envelope signal of the FM packages
(VD ENV-Signal) can be measured at IC301-(85).
Status:JECTE with the VCR switched on: Mechanism changes
to STOP position.
EJECT with the VCR switched off (Standby): Mecha-4V
nism changes to INITIAL position, VCR switches to0.5V~ 0.95V
Standby mode.0V
Cause:Mechanism, cassette front door.
Code 07
Fault:Lowering or ejecting the cassette is not possible.Operating hours meter
Status:Mechanism is in the position in which the fault oc-
curred, VCR switches to Standby mode.The operating hours of the headwheel are indicated in the diagnostic
display as two-digit numbers by hundreds.
Cause:Cassette jammed within the cassette compartment,Example: Indication 10 = operating hours ranging from 900 to 999.
cassette compartment mechanism, cassette com-
partment gears.
k 2 - 2GRUNDIG Service |
ACEC
