Read Sony WX-GT90BT / WX-GT90BTE / WX-GT99BT / WX-GT99BTM Service Manual online
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
44
Pin No.
Pin Name
I/O
Description
57
DIAG
I
Diagnostic signal input from the power amplifi er
58
AMPSTB
O
Standby control signal output to the power amplifi er
59
GHOST_RST
O
Reset signal output to the sub system controller “L”: reset
60
VCC2
-
Power supply terminal (+3.3V)
61
GHOST_1_5V
-
Not used
62
VSS
-
Ground terminal
63
DSP_RST
O
Reset signal output to the audio DSP “L”: reset
64
DSP_SSTBY
O
SRAM standby mode control signal output to the audio DSP
65
DSP_1_5V
O
Power supply on/off control signal output terminal for the audio DSP “H”: power on
66
NCO
-
Not used
67
GHOST_3_3V
O
Power supply on/off control signal output terminal for the sub system controller
68
MEC_INSW
I
Detection signal input from the CD section (in switch)
69
MEC_DSW
I
Detection signal input from the CD section (D switch)
70
NCO
-
Not used
71
CD_XRST
I
Reset request signal input from the sub system controller “L”: reset
72
MD_MUTE_IN
I
Muting request signal input from the sub system controller “H”: muting on
73
BT_MUTE_IN
I
Bluetooth audio muting request signal input from the Bluetooth section “H”: muting on
74
MUTE_PRE4V
O
Muting on/off control signal output to the line amplifi er “L”: muting on
(GT90BT: E and Saudi Arabia/GT99BT/GT99BTM only)
(GT90BT: E and Saudi Arabia/GT99BT/GT99BTM only)
75
MECON_CHECK
I
Power supply voltage detection terminal for CD mechanism section
76
DEBUG_3
-
Not used
77
DEBUG_1
-
Not used
78
DEBUG_2
-
Not used
79, 80
RE-IN1, RE-IN0
I
Jog dial pulse input from the rotary encoder
81
RE_ON
O
Jog dial pulse pull-up signal output terminal
82
RE_ON (RESERVE)
-
Not used
83 to 85
NCO
-
Not used
86
NA
-
Not apply
87, 88
NCO
-
Not used
89, 90
KEYACK0, KEYACK1
I
Acknowledge signal (wake up signal) input terminal
91
NCO
-
Not used
92, 93
KEYIN1, KEYIN0
I
Front panel key input terminal
94
AVSS
-
Ground terminal (for A/D converter)
95
RC_IN0
I
Rotary remote commander shift key input terminal
96
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
97
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
98
NCO
-
Not used
99
DOWNLD_DET
I
Serial fl ash downloader status detection signal input terminal
100
BT_MIC_POWER
O
Power supply on/off control signal output terminal for the Bluetooth microphone
“H”: power on
“H”: power on
Ver. 1.2
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