Grundig CUC 1836 Service Manual page 26

Allgemeiner Teil / General Section
If the decoder information is set on a programme position and a
switching voltage 6V is recognized on pin 8, the TV switches over
to decoder operation.
- The respectively selected AV socket supplies the CCVS signal to
the other EURO-AV socket(s).
- With Megalogic video recorders the standard (VHS, SVHS or Hi8)
is signalled to the TV receiver.
12V = switching voltage at the EURO-AV socket contact 8.
6V = switching voltage for 16:9 format at the EURO-AV socket
contact 8.
1V...3V = U switching voltage for changing to RGB operation
Data
contact 16.
Socket Input Output
AV 1 black RGB -
CCVS CCVS
SCVS (Y/C) CCVS (converted) 12V
AV 2 orange RGB -
CCVS CCVS
SCVS (Y/C) CCVS (converted) 12V
AV 3 Camera CCVS -
AV 4 VGA VGA -
1 - 26
Switching Signal
12V+1V evaluation
12V
12V+1V evaluation
12V
5V produced
from sync
-
CUC 1836 / 1929
GRUNDIG Service