Read Sony MHC-NX300AV / STR-NX300 Service Manual online
5
3.
DIAGRAMS
3-1.
IC PIN FUNCTION DESCRIPTION (Page 24, 25)
(STR-NX1/NX3)
•
MAIN BOARD IC501 M30622MA-A12FP (SYSTEM CONTROLLER )
Pin No.
Pin Name
I/O
Description
93
KEY1
I
Key input terminal (A/D input)
S615 to S617, S619 to S624 (TUNER BAND, STEREO/MONO, TUNER MEMORY,
GROOVE, + M, – m, ENTER, DVD 5.1CH, PRO LOGIC) keys input
(S623 DVD 5.1CH, S624 PRO LOGIC keys: used for the STR-NX3 only)
S615 to S617, S619 to S624 (TUNER BAND, STEREO/MONO, TUNER MEMORY,
GROOVE, + M, – m, ENTER, DVD 5.1CH, PRO LOGIC) keys input
(S623 DVD 5.1CH, S624 PRO LOGIC keys: used for the STR-NX3 only)
(STR-NX300)
•
MAIN BOARD IC501 M30622MA-A29FP (SYSTEM CONTROLLER )
Pin No.
Pin Name
I/O
Description
93
KEY1
I
Key input terminal (A/D input)
S615 to S624 (TUNER BAND, STEREO/MONO, TUNER MEMORY, KARAOKE PON,
GROOVE, + M, – m, ENTER, DVD 5.1CH, PRO LOGIC) keys input
S615 to S624 (TUNER BAND, STEREO/MONO, TUNER MEMORY, KARAOKE PON,
GROOVE, + M, – m, ENTER, DVD 5.1CH, PRO LOGIC) keys input
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