Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual page 52

STR-DB870/DB1070
Pin No. Pin Name
HACN1
88
XRST1
89
PM1
90
ADC : RST
91
DACINT
92
DA1LAT
93
(PG3) DACCLK
94
(PG4) DACDI
95
(PG5) 2EXLOCK
96
VCC
97
VSS
98
99 EEPROM SDA
EEPROM SCL
100
VSS
101
HCLK
102
103 HDIN
HDOUT2
104
CLK
105
DATA
106
107 LAT
DAIDO
108
SOTI
109
SIN1
110
111 CLK
DIN
112
LAT
113
CLR
114
115 VOL IC LAT
SYSTEM MUTE
116
AC MUTE
117
PROTECTOR
118
119 DA2LAT
CD DIRECT
120
ANALOG DIGITAL
121
VCC
122
A. DIRECT
123
124 NC
NC
125
DAVS
126
DAVC
127
128 AVCC
AVRH
129
AVRL
130
AVSS
131
52
I/O
I
Host acknowledge signal input from the audio DSP1(IC1501)
O
Reset signal output to the audio DSP1 (IC1501)
O
PLL initialize signal output to the audio DSP1 (IC1501)
O
Reset signal output to the A/D converter (IC1101)
O
Reset signal output to the D/A converter (IC1201)
O
Serial data latch pulse output to the D/A converter (IC1201)
O
Serial data transfer clock signal output to the D/A converter (IC1201, 1202)
O
Serial date output to the D/A converter (IC1201, 1202)
O
Extarnal lock signal output to the audio DSP (IC1601)
—
Power supply terminal (+3.3V)
—
Ground terminal
I/O Two-way data bus with the EEPROM (IC1701)
O
Serial data transfer clock signal output to the EEPROM (IC1701)
—
Ground terminal
O
Host clock signal output to the audio DSP (IC1501, 1601)
O Host serial data output to the audio DSP (IC1501, 1601)
I
Host serial data input from the audio DSP (IC1601)
O
OSD serial data transfer clock signal output to the select switch (IC307)
O
OSD serial data output to the select switch (IC307)
O OSD serial data latch pulse output to the select switch (IC307)
I
Serial data input from the D/A converter (IC1201)
O
UART signal output terminal Not used (fixed at "L")
I
UART signal input terminal Not used (fixed at "L")
O Serial data transfer clock signal output to the FL display driver (IC1601)
O
Serial data output to the FL display driver (IC1601)
O
Serial data latch pulse output to the FL display driver (IC1601)
O
Clear signal output to the FL display driver (IC1601)
O Serial data latch pulse output to the electrical volume (IC401, 501, 601, 701)
O
System muting control signal output terminal
O
Audio muting control signal output to the poweramp (IC403, 503, 603)
I
Over load detection signal input from the protect circuit "L": protect detect
O Serial data latch pulse output to the A/D, D/A converter (IC1202)
O
CD direct relay drive signal output terminal "H": relay on
Analog/digital select signal output to the TC7WH157FU (IC1407)
O
"L": analog, "H": digital
—
Power supply terminal (+3.3V)
O
MULT/2CH DIRECT select signal output terminal Not used (open)
— Not used (open)
—
Not used (open)
—
Ground terminal (for digital)
—
Power supply terminal (+3.3V) (for digital)
— Power supply terminal (+3.3V) (for analog)
—
Reference voltage input (+3.3V) terminal (for analog)
—
Connect to ground (for analog)
—
Ground terminal (for terminal)
Description