Harman Kardon DVD 27 Service Manual page 69

DVD27
Multimedia ICs
Pin No. Pin name
12 MUTE2
31 TEST
18 N.C.
Input/output equivalent circuit
69
Pin description
Mute control terminal.
PY, Pb and PR are muted simultaneously by setting
MUTE to "L".
Test terminal.
Usually, short-circuit this terminal to GND when using it.
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harman/kardon
BH7862FS