Sony MDX-C8970 Service Manual page 58

Pin No. Pin Name
117 SEEK
118 AF MUTE
119 VSS
120 SSTOP
58
I/O
Seek control signal output to the FM/AM tuner unit (TU101)
AM mode: Used for IF count output/SD output request/AGC cut at SEEK or BTM
O
FM mode: Used for SD speed up at SEEK, BTM, or AF
"L" is output at tuner off
O Muting on/off control signal output for the tuner signal (FM and AM) "H": muting on
—
Ground terminal
I
IF counter request signal input from the FM/AM PLL (IC151)
Description