Sony MHC-NX1 Service Manual page 26

Pin No. Pin Name
87 LED 5.1CH
88 LED GROOVE
89 BPF 1
90 BPF 2
91 BPF 3
92 BPF 4
93 KEY1
94 KEY0
95 MODEL-IN
96 AVSS
97 SPEC-IN
98 VREF
99 AVCC
100 POWER
I/O
LED drive signal output of the DVD 5.1CH indicator (D632) "H": LED on
O
(Used for the STR-NX3 only)
O
LED drive signal output of the GROOVE indicator (D631) "H": LED on
Spectrum analyzer drive (low frequency) signal input from the spectrum analyzer band-pass filter
I
(IC401) (for 100 Hz)
Spectrum analyzer drive (low and middle frequency) signal input from the spectrum analyzer
I
band-pass filter (IC401) (for 400 Hz)
Spectrum analyzer drive (middle and high frequency) signal input from the spectrum analyzer
I
band-pass filter (IC401) (for 2 kHz)
Spectrum analyzer drive (high frequency) signal input from the spectrum analyzer band-pass filter
I
(IC401) (for 6 kHz)
Key input terminal (A/D input)
S615 to S617, S619 to S624 (TUNER BAND, STEREO/MONO, TUNER MEMORY,
I
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)
Key input terminal (A/D input)
I
S601 to S614 (I/1, DISPLAY, POWER SAVE/DEMO (STANDBY), VIDEO/DVD, MD, TAPE,
CD, TUNER, DSB, DBFB, PLAY MODE, REPEAT, EDIT, FILE SELECT) keys input
I
Destination setting terminal
—
Ground terminal (for A/D conversion)
I
Setting terminal for the version
I Reference voltage (+5V) input terminal (for A/D conversion)
—
Power supply terminal (+5V) (for A/D conversion)
O
Power on/off control signal output terminal "L": standby mode, "H": power on
Description
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