Sony STR-DE997 Service Manual page 54

STR-DE997
Pin No. Pin Name
112 FL_DIN/F1
113 FL_LAT/F2
114 FL_CLK
115 DRV.CLR/BLUE LED
116 VOL_IC.DATA
117 VOL_IC.CLK
118 VOL_IC.LAT
119 A_D
120 SYSTEM_MUTE
121 BST_SEL
122 VCC
123 to 125 DA2 to DA0
126 DAVS
127 DAVC
128 AVCC
129 AVRH
130 AVRL
131 AVSS
132 to 135 AD0 to AD3
136 AREA
137 to 139 NO USED
140 VCC2
141 BACKUP
142 X0A
143 X1A
144 VSS
54
I/O
O FL DATA
O FL LATCH
O FL CLOCK
O FL CLEAR
O VOL IC DATA
O VOL IC CLOCK
O VOL IC LATCH
O AUDIO DSP2 IC
O SYSTEM MUTE
O BST SELECT
— Power supply pin (+3.3 V)
— Not used (Open)
— Ground
— Power supply pin (+3.3 V)
— Power supply pin (+3.3 V)
— Power supply pin (+3.3 V)
— Ground
— Ground
I A/D KEYS
I Destination (AREA) initial setting input
— Not used (Fixed at L)
— Power supply pin (+3.3 V)
— Power supply pin (+3.3 V)
O Not used (Connected to ground)
I Not used (Open)
— Ground
Pin Description