Sony PCV-J150 - Manual (Page 69)

System Board 57
SERIAL, HEADPHONES, LINE IN, MIC Connectors
The SERIAL connector is a DB-9 male connector. The HEADPHONES
jack is a stereo mini-jack (3.5 mm) that connects to headphones. The LINE
IN jack is a stereo mini-jack (3.5 mm) that connects to a stereo audio
source (not an audio source from a video device). The MIC In jack is a
stereo mini-jack (3.5 mm) that connects to a microphone.
SERIAL
SERIAL connector
Pin Signal Name
1 DCD
2 RXD
3 TXD
4 DTR
5 LOGIC GND
6 DSR
7 RTS
8 CTS
9 RI
KY0058.VSD
MIC
LINE IN
HEADPHONES
SERIAL
1 5
6 9