Read Sony CDX-GT57UP Service Manual online
CDX-GT57UP
29
Pin No.
Pin Name
I/O
Description
59
DIAG
I
Diagnostic signal input from the power amplifi er
60
AMPSTB
O
Standby control signal output to the power amplifi er
61
NCO
-
Not used
62
VCC2
-
Power supply terminal (+3.3V)
63
F_AUX_ATT
O
Muting on/off control signal output terminal Not used
64
VSS
-
Ground terminal
65 to 80
NCO
-
Not used
81, 82
RE-IN1, RE-IN0
I
Jog dial pulse input from the rotary encoder
83
ILL_IN
I
Illuminate line detect signal input terminal Not used
84 to 88
NCO
-
Not used
89
SA_DATA
I/O
IIC two-way serial data bus with the audio DSP
90
SA_CLK
O
IIC serial clock signal output to the audio DSP
91, 92
KEYACK0, KEYACK1
I
Acknowledge signal (wake up signal) input terminal
93
NCO
-
Not used
94, 95
KEYIN1, KEYIN0
I
Front panel key input terminal
96
AVSS
-
Ground terminal (for A/D converter)
97
RC_IN0
I
Rotary remote commander shift key input terminal
98
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
100
LCD_CE
O
Chip enable signal output to the liquid crystal display driver
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