Sony HCD-C990 Service Manual - Page 94
Sony HCD-C990 - Compact Audio And Video System Manual
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HCD-C770/C990 Pin No. 115 Pin Name SDI4 116 SYNC 117 to 119 120 VSS VDDI I/O Description I Audio serial data input terminal Not used I Synchronous/asychronous selection signal input terminal "L": Synchronous, "H": asynchronous (fixed at "H" in this set) - Ground terminal - Power supply terminal (+2.6V) 94
![](/manual_guide/products/sony-hcdc990-service-manual-d43b35f/94.png)
94
HCD-C770/C990
Pin No.
Pin Name
I/O
Description
115
SDI4
I
Audio serial data input terminal
Not used
116
SYNC
I
Synchronous/asychronous selection signal input terminal
“L”: Synchronous, “H”: asynchronous (fixed at “H” in this set)
117 to 119
VSS
—
Ground terminal
120
VDDI
—
Power supply terminal (+2.6V)