Read Sony STR-DA2ES / STR-DB1080 Service Manual online
13
13
STR-DA2ES/DB1080
6-1.
BLOCK DIAGRAM – TUNER/VIDEO INPUT Section –
SECTION 6
DIAGRAMS
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
SW3, SW4
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
15
13
9
11
3
5
7
1
2
14
10
4
6
ANALOG
SWITCH
SERIAL
INPUT
CONTROL
D304
D303
D851
D850
X301
17.734475MHz
X302
14.31818MHz
L. P. F.
FL301
FL303
A
(Page 17)
DATA, CLK
FM
AM
8
L CH
10
R CH
13
FM SIG OUT
14
RDS-INT
15
RDS-DATA
2
ST-DO
4
CE
3
ST-DI
1
CLK
7
STEREO
11
MUTE
6
TUNED
DATA
LAT
DATA
CLK
STEREO
MUTE
TUNED
(DB1080: AEP, UK)
TU301
TUNER UNIT
28 RDS DATA
RDS SIGNAL
RDS CLK
40 TUNER LAT
19 TUNER AUTO STOP
25 TUNER STEREO
20 TUNER MUTE
139
23 TUNER DATA IN
61
SYSTEM
CONTROLLER
IC1703
(1/7)
8
YOUT
6
COUT
7
VOUT
4
CIN
2
YIN
3
VIN
VIDEO BUFFER
IC305
27
YOUT
26
COUT
25
VOUT
2
CIN
1
YIN
22
SCLK
23
SIN
24
CS
3
VIN
8
EXS
OSD DRIVER
IC307
COMPARATOR
IC306
8
1
2
9
10 3
2
12
13
6
5
4
6
5
(DA2ES/DB1080: Korean)
CLOCK
IC304 (3/3)
8
9
11
10
(EXCEPT DA2ES/DB1080: Korean)
CLOCK
IC304 (1/3)
CLK
DATA
34
LAT
P/N
105
106
107
29 VIDEO SW1
30 VIDEO SW2
31 VIDEO SW3
32 VIDEO SW4
33 VSINK
SYSTEM
CONTROLLER
IC1703
(2/7)
J298 (1/2)
VIDEO 3
INPUT
VIDEO
VIDEO
TV/SAT IN VIDEO
DVD/LD IN VIDEO
IN VIDEO
OUT VIDEO
VIDEO 2
J305
J304
VIDEO 1
IN VIDEO
OUT VIDEO
J299
J852 (2/2)
J850 (1/2)
J850 (2/2)
J852 (1/2)
C
Y
C
Y
C
Y
C
Y
C
Y
C
Y
J751
J302
VIDEO SELECTOR
IC308
Y SWITCH
IC852
C SWITCH
IC850
B
(Page 14)
TU L OUT
FM 75Ω
COAXIAL
AM
R-CH
LAT
TUNED
STEREO
MUTE
DATA
VIDEO 3
INPUT
S-VIDEO
TV/SAT
S-VIDEO IN
DVD/LD
S-VIDEO IN
VIDEO 1
S-VIDEO IN
MONITOR
S-VIDEO OUT
MONITOR
OUT VIDEO
V1. OUT
V1. IN
V2. IN
V2. OUT
TV
LD
V3
M. OUT
SW5
SW1
SW2
SW3
SW4
BUFFER
: VIDEO IN
LEVEL SHIFT
IC310 (1/2)
SYNC SEPARATOR
IC311
SYNC SEPARATOR
IC309
VIDEO 1
S-VIDEO OUT
SW3
SW4
C
(Page 17)
LEVEL SHIFT
IC310 (2/2)
CLOCK
IC304 (2/3)
L. P. F.
L. P. F.
FL302
(EXCEPT DA2ES/DB1080: Korean)
1
CT301
OSD
CT302
OSD
V SYNC BUFFER
Q305
Y SYNC BUFFER
Q304
15
16
CT303
OSD
RY390
-2
-1
VIDEO BUFFER
Q3100 – 3102
10
13
4
15
VIDEO SYNC
SEPARATOR
SEPARATOR
IC3100
Y SYNC BUFFER
Q3103 – 3107
4
1
7
16
CLOCK
GENERATOR
IC3101
X3100
7.5795MHz
VIDEO – 5V
C SYNC BUFFER
Q3108 – 3112
(DB1080)
(DA2ES)
RELAY
DRIVE
Q390 – 394
EXD
XD
ANTENNA
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