Sony STR-DB1070 Service Manual - Page 52

Sony STR-DB1070 - Fm Stereo/fm-am Receiver Manual

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Page 52 highlights

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

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