Sony STR-DB900 Service Manual page 41

Pin No. Pin Name
116 LED-STANDBY
117 INPUT-DOWN
118 INPUT-UP
119 VOL-DOWN
120 VOL-UP
121 FL-LATCH
122 FL-CLK
123 FL-DATA
124 NO-USE
125 FLSH-SI
126 FLSH-SO
127 NO-USE
128 to 133 NO-USE
134 NMIX
135 XA-OUT
136 VSS
137 XA-IN
138 MD2
139,140 MD1,0
141 X-IN
142 VCC
143 X-OUT
144 XRESET
145 VSS
146 VCC
147 to 150 NO-USE
151 TUN-CLK
152 TUN-D0
153 TUN-DATA
154 TUN-LAT
155 TUN-TUNED
156 TUN-STEREO
157 TUN-MUTE
158 RDS-DATA
159 to 161 NO-USE
162 VSS
163 VCC
164 to 168 NO-USE
169 ASEL-B
170 ASEL-A
171 ADC-RST
172 NO-USE
173 DSP-CLK
174 DSP-DI
175 VSS
176 VCC
I/O
O Standby LED drive signal output
I Input selector dial encoder signal input
I Input selector dial encoder signal input
I Volume dial encoder signal input
I Volume dial encoder signal input
O Latch signal output to uPD16315
O Serial clock output to uPD16315
O Serial data output to uPD16315
— Not used. (Connected to ground)
I Flash serial data write signal input
O Flash serial data write signal output
O Not used. (Open)
— Not used. (Connected to ground)
I Not used. (Pull up)
O Not used. (Open)
— Ground
I Not used. (Connected to ground)
O MD2 signal output
O Not used. (Connected to ground)
I Ceramic vibrator signal input (12.5 MHz)
— Power supply (+3.3 V)
O Ceramic vibrator signal input (12.5 MHz)
I Reset signal input
— Ground
— Power supply (+3.3 V)
— Not used. (Connected to ground)
O Tuner clock output
I Tuner data input
O Tuner data output
O Tuner data latch signal output
I Tuner tuned signal input
I Tuner stereo signal input
O Tuner mute signal output
I RDS data input
— Not used. (Connected to ground)
— Ground
— Power supply (+3.3 V)
I Not used. (Open)
O Analog input select signal output
O Analog input select signal output
O Reset signal output to PCM1802
— Not used. (Connected to ground)
O DSP serial clock output to CXD9718Q
O DSP serial data signal output to CXD9718Q
— Ground
— Power supply (+3.3 V)
Description
STR-DB900
41