DOWNLOAD Sony STR-DB798 Service Manual ↓ Size: 9.34 MB | Pages: 95 in PDF or view online for FREE

Model
STR-DB798
Pages
95
Size
9.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-db798.pdf
Date

Sony STR-DB798 Service Manual ▷ View online

65
STR-DB798
Pin No.
Pin Name
I/O
Description
44
VSS
-
Ground terminal
45
NC
-
Not used
46
DAB_SEL
O
DAB selection signal output terminal    Not used
47
RDS.DATA
I
RDS serial data input from the tuner unit (AEP and UK models only)
48
TUNER ST
I
FM stereo detection signal input from the tuner unit
49
TUNER TUNED
I
Tuned detection signal input from the tuner unit
50
TUNER MUTE
O
Muting request control signal output to the tuner unit
51
NC
-
Not used
52 to 54
MD2 to MD0
-
Not used
55
RSTX
I
System reset signal input from the reset signal generator    "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
56
VCC
-
Power supply terminal (+3.3V)
57
X1
O
System clock output terminal (16.5 MHz)
58
X0
I
System clock input terminal (16.5 MHz)
59
VSS
-
Ground terminal
60
STOP
I
AC off detection signal input terminal
61
RDS_ CLK
I
RDS interrupt clock signal input from the tuner unit (AEP and UK models only)
62
POWER.ON/OFF
I
Power key input terminal    "L": power on
63
SIRCS
I
Sircs signal input terminal
64
NC
-
Not used
65
TUNER DO
I
Serial data input from the tuner unit
66
TUNER LATCH
O
Serial data latch pulse signal output to the tuner unit
67
DIR ERROR
I
PLL lock error signal and data error flag input from the digital audio interface receiver
68
VCC
-
Power supply terminal (+3.3V)
69, 70
OPT SEL2,
OPT SEL1
O
Digital input selection signal output terminal
71
XSTATE
I
Source clock selection monitor input from the digital audio interface receiver
72
DATA0
I
Audio serial data input from the digital audio interface receiver
73
XMODE
O
System reset signal output to the digital audio interface receiver    "L": reset
74
CKSEL1
O
Output clock selection signal output to the digital audio interface receiver
75
CLK
O
Clock signal output to the digital audio interface receiver
76
CE
O
Chip enable signal output to the digital audio interface receiver
77
VCC
-
Power supply terminal (+3.3V)
78
AUDY_DATA
O
Serial data output to the lip sync adjust
79
DI
O
Write data output to the digital audio interface receiver
80
DO
I
Read data input from the digital audio interface receiver
81
AUDY_CLK
O
Serial data transfer clock signal output to the lip sync adjust
82
LRCK SW
O
Signal selection signal output terminal    "L": boot strap signal, "H": L/R sampling clock signal
83
NC
-
Not used
84
GP12
O
Write signal output to the audio digital signal processor
85
DSP_BST
O
Boot strap signal output to the audio digital signal processor
86
XRST
O
System reset signal output to the audio digital signal processor    "L": reset
87
PM1
O
PLL initialize signal output to the audio digital signal processor
88
DSP GP9
I
Read ready signal input from the audio digital signal processor
89
DSP_HCS
O
Chip select signal output to the audio digital signal processor
90
DSP_HACN
I
Acknowledge signal input from the audio digital signal processor
91
ADC:RST
O
System reset signal output to the A/D converter    "L": reset
92
DAC_RST
O
System reset signal output to the D/A converter    "L": reset
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
67
STR-DB798
A/V SYNC  BOARD  IC2010  CXD9722TQ (LIP SYNC ADJUST)
Pin No.
Pin Name
I/O
Description
1 to 5
D1 to D5
I/O
Two-way data bus with the SD-RAM
6
VDD
-
Power supply terminal (+3.3V)
7, 8
D6, D7
I/O
Two-way data bus with the SD-RAM
9
VSS
-
Ground terminal
10
WE
O
Write enable signal output to the SD-RAM
11
CAS
O
Column address strobe signal output to the SD-RAM
12
RAS
O
Row address strobe signal output to the SD-RAM
13
CS
O
Chip select signal output to the SD-RAM
14
CLK
O
Clock signal output to the SD-RAM
15
CKE
O
Clock enable signal output to the SD-RAM
16
VDD
-
Power supply terminal (+3.3V)
17 to 22
A11, A10, A0 to A3
O
Address signal output to the SD-RAM
23
VSS
-
Ground terminal
24 to 29
A9 to A4
O
Address signal output to the SD-RAM
30
VSS
-
Ground terminal
31
DRSO
O
Surround R-ch data output terminal    Not used
32
DLSO
O
Surround L-ch data output terminal    Not used
33
DEXRO
-
Not used
34
DLFEO
O
Sub woofer data output terminal    Not used
35
DCO
O
Center data output terminal    Not used
36
VDD
-
Power supply terminal (+3.3V)
37
DRO
O
Front R-ch data output terminal    Not used
38
DLO
O
Front L-ch data output terminal    Not used
39
VSS
-
Ground terminal
40
DMRO
O
Data output terminal for R-ch down mix    Not used
41
DMLO
O
Data output terminal for L-ch down mix    Not used
42
VSS
-
Ground terminal
43
VDD
-
Power supply terminal (+3.3V)
44
DLDRO
O
Surround back audio data output to the D/A converter
45
CSWO
O
Center and sub woofer audio data output to the D/A converter
46
SLSRO
O
Surround audio data output to the D/A converter
47
FLFRO
O
Front audio data output to the D/A converter
48
VSS
-
Ground terminal
49
SPDIFO
O
Digital audio data output terminal    Not used
50
TEST1
I
Input terminal for the test
51
TRST
I
Reset signal input from terminal    Not used
52
TMS
I
Mode selection signal input terminal    Not used
53
TCK
I
Clock signal input terminal    Not used
54
TDI
I
Serial data signal input terminal    Not used
55
TDO
O
Serial data signal output terminal    Not used
56
TEST2
I
Input terminal for the test
57
SPDIFI
I
Digital audio data input terminal    Not used
58
VSS
-
Ground terminal
59
LRCKI
I
L/R sampling clock signal (44.1 kHz) input from the audio digital signal processor
60
BCKI
I
Bit clock signal (2.8224 MHz) input from the audio digital signal processor
61
VDD
-
Power supply terminal (+3.3V)
68
STR-DB798
Pin No.
Pin Name
I/O
Description
62
VSS
-
Ground terminal
63
DLDRI
I
Surround back audio data input from the audio digital signal processor
64
CSWI
I
Center and sub woofer audio data input from the audio digital signal processor
65
SLSRI
I
Surround audio data input from the audio digital signal processor
66
FLFRI
I
Front audio data input from the audio digital signal processor
67
TEST3
I
Input terminal for the test
68
CLK512
I
Master clock signal input from the audio digital signal processor
69
VSS
-
Ground terminal
70
XRST
I
Reset signal input terminal    "L": reset
71
VDD
-
Power supply terminal (+3.3V)
72
SCLK
I
Serial clock signal input from the main system controller
73
XCS
I
Chip select signal input from the main system controller
74
SI
I
Serial data input from the main system controller
75
SO
O
Serial data output to the main system controller
76
DEXRI
-
Not used
77
DMLI
I
Data input terminal for L-ch down mix    Not used
78
DMRI
I
Data input terminal for R-ch down mix    Not used
79
VSS
-
Ground terminal
80
PHRI
I
Clock signal input terminal    Not used
81
BCKAI
I
Bit clock signal (2.8224 MHz) input terminal    Not used
82
DQM
-
Not used
83
DLI
I
Front L-ch data input terminal    Not used
84
DRI
I
Front R-ch data input terminal    Not used
85
DCI
I
Center data input terminal    Not used
86
DLFEI
I
Sub woofer data input terminal    Not used
87
DLSI
I
Surround L-ch data input terminal    Not used
88
DRSI
I
Surround R-ch data input terminal    Not used
89
VSS
-
Ground terminal
90 to 95
D15 to D10
I/O
Two-way data bus with the SD-RAM
96
VDD
-
Power supply terminal (+3.3V)
97, 98
D9, D8
I/O
Two-way data bus with the SD-RAM
99
GND
-
Ground terminal
100
D0
I/O
Two-way data bus with the SD-RAM
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