Sony STR-DB798 Service Manual

66
STR-DB798
Pin No.
Pin Name
I/O
Description
93
DA1LAT
O
Serial data latch pulse signal output to the D/A converter
94
DACCLK
O
Serial data transfer clock signal output to the D/A converter
95
DAC_MDI
O
Serial data output to the D/A converter
96
NO_USE
-
Not used
97
VCC
-
Power supply terminal (+3.3V)
98
VSS
-
Ground terminal
99
UP CON SDA
O
Serial data output to the video sync separator
100
UP CON SCL
O
Serial data transfer clock signal output to the video sync separator
101
VSS
-
Ground terminal
102
HDOUT
I
Serial data input from the audio digital signal processor
103
HDIN
O
Serial data output to the audio digital signal processor
104
HCLK
O
Serial data transfer clock signal output to the audio digital signal processor
105
DAB_CLK
O
Serial data transfer clock signal output terminal Not used
106
DAB_OUT
O
Serial data output terminal Not used
107
DAB_IN
I
Serial data input terminal Not used
108
DA1DO
I
Serial data input from the D/A converter
109, 110
SOT1, SIN1
-
Not used
111
EEPROM SCL
O
Serial data transfer clock signal output to the EEPROM
112
EEPROM SDA
I/O
Two-way data bus with the EEPROM
113
FL STB
O
Strobe signal output to the fluorescent indicator tube driver
114 to 117
VIDEO_SW1 to
VIDEO_SW4
O
Video selection signal output terminal
118
PROTECTOR
I
Protect detection signal input from the protect circuit
119
LIMITER.OUT
O
Output voltage control signal output terminal
120
FUNCTION.SW.
LAT
O
Serial data latch pulse signal selection signal output terminal
"L": for electrical volume, "H": for function switch
121
ANALOG_
DIGITAL
O
Analog/digital selection signal output terminal "L": analog, "H": digital
122
VCC
-
Power supply terminal (+3.3V)
123 to 125
NC
-
Not used
126
DAVS
-
Power supply terminal (+3.3V) (for internal D/A converter)
127
DAVC
-
Ground terminal (for internal D/A converter)
128
AVCC
-
Power supply terminal (+3.3V) (for analog)
129
AVRH
I
Reference voltage (+3.3V) input terminal
130
AVRL
I
Reference voltage (0V) input terminal
131
AVSS
-
Ground terminal (for analog)
132, 133
AD1, AD2
I
Front panel key input terminal (A/D input)
134
LIMITTER.IN
I
Voltage limit detection signal input terminal
135
RDS_SIGNAL
I
RDS signal input from the tuner unit (AEP and UK models only)
136
AD5 (NC)
-
Not used
137
NC
-
Not used
138
VERSION
I
Destination setting terminal
139
NC
-
Not used
140
VCC2
-
Power supply terminal (+3.3V)
141
BACKUP
-
Not used
142
GND
-
Ground terminal
143
OPEN
-
Not used
144
VSS
-
Ground terminal

Sony STR-DB798 Specifications

General

Impedance	8 Ω
Supported radio bands	FM
Radio Data System (RDS)	Yes
Channels quantity	7 channels
I/O ports	Output(Component x 1, Optical Digital x 1, Composite x 1, S-Video x 1), Input(Component x 2, Optical Digital x 4, S-Video x 4, Coaxial Digital x 2, Composite x 4)