Abgleichvorschriften / Adjustment Procedures
3 - 4
GRUNDIG Service-Technik
GB
Adjustment Procedures
1. Power Supply (MSM1)
Test equipment: Digital Voltmeter.
Service work after changing the Power Supply: –
Adjustment
Preparation
Adjustment Procedure
+5V
Adjust voltage to 5,4V
±
0.03V with R3204.
Digital voltmeter: ................................................ SM111-9
2. Family Board (MFB)
Service work after changing the Family Board:
- 2.1 Sequence Control / Deck Electronic (DE) ...... Adjustment no. 1
- 2.4 Standard Sound / Audio Linear (AL) .......... Adjustment no. 1, 2
2.1 Family Board – Sequence Control / Deck Electronic (DE)
Test aids: Test cassette
Service work after changing the …
… Family Board or Headwheel: Adjustment no. 1
… IC7412: Adjustment no. 1
2.2 Frontend (FV): Adjustment no. 3
Adjustment
Preparation
Adjustment Procedure
1. Headwheel
Position Indicator
– Load a test cassette.
– Call up the service function: Press the "STOP" button on the remote control handset and the "
2
" button on the
recorder ...........................................................................
simultaneously for approx. 5s.
– Press the "
2
" button on the remote control handset and the "
.
"button on the recorder simultaneously.
– On successful adjustment the video recorder switches to stand-by.
If the adjustment has not been carried out successfully the video recorder ejects the test cassette.
Reason:
Test cassette, headwheel or technical defect (eg.
µ
C).
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