Sony CDX-GT450U Service Manual page 27

Pin No.
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74, 75
76
77, 78
79, 80
81
82
83 to 90
91
92
93
94
95
96
97
98
99
100
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CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
Pin Name I/O
DIAG I Condition signal input from power amp IC
AMPSTB O Standby signal output for power regulator IC
Cyril correspondance discrimination signal input (L: No correspondance) (Fixed at L in this
CYRIL_SEL I
set)
VCC2 — Power supply pin (+3.3 V)
NCO O Not used. (Open)
VSS — Ground
ILLUMI SEL I Key illumination voltage setting signal input
COLSW SEL I Key illumination color change function signal input
NCO O Not used. (Open)
B-OUT SEL I Black out function setting signal input (L: without black out function)
AREASEL3 I Destination setting pin 3 (Fixed at L in this set)
AREASEL2 I Destination setting pin 2
AREASEL1 I Destination setting pin 1
AREASEL0 I Destination setting pin 0
R/S SW SEL I REAR/SUB select setting signal input (L: No switched) (Fixed at H in this set)
NCO O Not used. (Open)
INITCOL_SEL I Key illumination initial color setting signal input
NCO O Not used. (Open)
DEBUG_1, DEBUG_2 O Not used. (Open)
RE-IN1 I Rotary encoder signal input 1
RE-IN0 I Rotary encoder signal input 0
NCO O Not used. (Open)
KEYACK0 I Key acknowledge detect signal input (Rotary commander)
KEYACK1 I Key acknowledge detect signal input (Front panel)
NCO O Not used. (Open)
KEYIN1 I Key signal input 1
KEYIN0 I Key signal input 0
AVSS — Ground for A/D converter
RC_IN0 I Rotary commander key signal input
AVRH — A/D converter external reference power supply pin (+3.3 V)
AVDD — A/D converter power supply pin (+3.3 V)
LCD_CE O Chip enable signal output for LCD driver
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Description
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