Sony HCD-D90AV Service Manual page 54

Pin No. Pin Name
88 EQ-H/N
89 BIAS
90 REC-MUTE
91 NR-ON/OFF
92 R/P-PASS
93 TC-MUTE
94 A-PLAY-SW
95 B-PLAY-SW
96 TC-RELAY
97 A-HALF
98 POWER
99 SW-F-CHG
100 STK-MUTE
I/O
O Equalizer H/N select output
O Bias ON/OFF signal output
O REC mute ON/OFF selection output
O NR ON/OFF signal output
O REC/PB/PASS selection output
O TC mute ON/OFF selection output
I Deck A play detect
I Deck B play detect
O REC/PB head selection output for IC602
I Deck A cassette detect
O POWER ON/OFF signal output
O Super woofer mode signal output (Not used)
O Power amp ON/OFF signal output
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Function