Sony STR-DB795 Service Manual

STR-DB795
1818
STR-DB795
6-2. BLOCK DIAGRAM – AUDIO DSP Section –
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
VIDEO
ANALOG
F
BCKO,
LRCKO
G
S MUTE
H
SCLKO
LRCKO
BCKO
4
DIGITAL
CONTROL
DATA
DEMODULATOR
LOCK
DETECT
TIMING
MICON INTERFACE
CLOCK
INPUT
CIRCUIT
IC1102
IC1151
J1101
J202
VIDEO 2 OUT
DVD IN
TV/SAT IN
L
L
L
VIDEO 2 IN
J1091 (2/2)
L
J201
L
L
L
DIGITAL AUDIO INTERFACE RECEIVER
IC1101
CLK LAT DATA
VIDEO SELECTOR
IC201
4
5
7
8
3
2
10
12
1415 16
6
5
14 2
3 7
36 38 37 35
47
CKSEK1 DI CE CLK DO
48
CKSEL1
B A
DI CLK CE DO XMODE
XMODE
3
DIN0
16
DATAO
34
ERROR
14
BCK
15
LRCK
17
XSTATE
21
XOUT
22
XIN
24
AUDIO
X1101
12.288MHz
D1601
HDIN
HCLK
67
DIR ERROR ANALOG_DIGITAL
121
104103
69 OPT SEL2
91 ADC:RST
70 OPT SEL1
74 CKSEL1
79 DI
75 CLK
76 CE
80 DO
73 XMODE
90
DSP_HACN
107
PM
89
DSP_HCS
102
HDOUT
88
DSP GP9
105
GP12
72
DATA0
71
XSTATE
A
B
CKSEL1
DI
CLK
CE
DO
XMODE
SYSTEM CONTROLLER
IC1703 (2/6)
18 SDI1
30 SDI2
SDCLK
69
GP8
68
GP9
36
HCS
34
HCLK
33
HDIN
35
HDOUT
32
HACN
113
PM
106
XRST
2
XRST
22
KFSIO
37
AUDIO DIGITAL
SIGNAL PROCESSOR
IC1201
23SDO1
24SDO2
25SDO3
19LRCKO
20BCKO
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
AB
VIDEO 1 IN
VIDEO 1 OUT
VIDEO 3
INPUT
AUDIO
DIGITAL OPTICAL
RECEIVER
IC1104
DIGITAL OPTICAL
RECEIVER
IC1105
DIGITAL OPTICAL
RECEIVER
IC1106
OPTICAL
DVD IN
COAXIAL IN
DVD
COAXIAL IN
SA-CD/CD
DIGITAL OPTICAL
RECEIVER
IC1081
VIDEO 3
INPUT
DIGITAL
OPTICAL
OPTICAL
TV/SAT IN
OPTICAL
MD IN
OPTICAL
MD OUT
DIGITAL OPTICAL
TRANSCEIVER
IC1107
DIGITAL SELECTOR
IC1103
28 LRCKI2
15 LRCKI1
29 BCKI2
17 BCKI1
59 EXLOCK
MUTING
SWITCH
Q1602
MUTING
SWITCH
Q1601, 1603
4
DIN1
5
DIN2
2
DOUT
9
MCLK1
12
MCLK2
X1201
13.9MHz
EEPROM
IC1604
5112
6111
SDA
SCL
EEPROM SDA
EEPROM SCL
58
X0
57
X1
X1601
16.5MHz
108, 107, 105 – 102,
99, 98, 80 – 77,
75 – 72
112, 110, 109,
97 – 92, 82 – 85,
66 – 64
7 – 10, 13 – 16,
29 – 32, 35 – 38
5 – 1, 44 – 42,
27 – 24, 21 – 18
S-RAM
IC1202
617
CS WE
4445
CSO
WEO
D0 – D15 A0 – A15
D0 – D15
A0 – A15
67GP10
SIGNAL-END
DEFERENTIAL
CONVERTER
DIGITAL
MODULATOR
SERIAL I/O
INTERFACE
CLOCK/
TIMING CONTROL RESET
/POWER CONTROL
A/D CONVERTER
IC1401
15
14
BCK
16
SYSCLK
1
DOUT
LIN
6
RSTB
13
LRCK
BUFFER
IC1402
20
XMCK
C
DATA, CLK, LAT
82
LRCK SW
85
DSP_BST
56
BST
6
2
5
1
SIGNAL
SELECTOR
IC1204
D1101
SDO3
E
SDO1, SDO2,
SDO3, SDO4
D
SOURCE-L
SDO2
26SDO4
SDO4
SDO1
SWITCHING
IC1503
13
CKOUT
(Page 21)
(Page 19)
(Page 19)
(Page 19)
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(Page 19)

Sony STR-DB795 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230V, 50/60Hz
Supported radio bands	FM, MW
Radio Data System (RDS)	Yes
I/O ports	5.1 Analogue Input - 1.0 Audio Input - 3.0 Audio Input Front - 1 AV, S-Video Audio Output - 1.0 Control A1 / A1 II Digital Input: coaxial - 1.0 Digital Input: optical - 4.0 Digital Output: optical - 1.0 Headphone Output Monitor Output (Picture): FBAS - 1.0 Monitor Output (Picture): S-Video - 1.0 Phono Input Speaker Selector A S-Video Input - 4.0 S-Video Output - 1.0 Video Input - 5.0 Video Output - 2.0
Connectivity technology	Wired
Frequency range	20 - 20000 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g