Read Sony STR-DA2ES / STR-DB1080 Service Manual online
17
17
STR-DA2ES/DB1080
6-5.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
P
B
/C
B
/B-Y
P
R
/C
R
/B-Y
P
B
/C
B
/B-Y
P
R
/C
R
/B-Y
CONTROL
Q302
C
(Page 17)
SW3, SW4
SW3
SW4
J301 (1/2)
Y
Y
J301(2/2)
Y
OUTPUT
CIRCUIT
CIRCUIT
CONTROL S I/O SWITCH
IC851
O2-2
OUTPUT
CIRCUIT
CIRCUIT
INPUT
CIRCUIT
TV/SAT
CTRL S
CTRL S
STATUS IN
J855
VIDEO 1
CTRL S
OUT
J853
DVD/LD
CTRL S
OUT
J854
MONITOR
CTRL S
IN
J856
INH
BUFFER
Q852, 853
REMOTE
CONTROL
RECEIVER
IC1901
I/O BUFFER
Q1701
D1701
CONTROL A1
II
J303
Q810
S1904
SHIFT
REGISTER
LATCH
CIRCUIT
5 – 16, 21 – 23, 26 – 28
D1001 – 1018,
D1951
LED DRIVER
IC1002
1, 70 – 37
2 – 23
FL1001
FLUORESCENT
INDICATOR
TUBE
F1
F2
HVO25 – HVO59
HVO24 – HVO3
S1901
ON
OFF
SPEAKERS
S1902, 1903,
S1073 – 1077
S1061 – 1068
S1051 – 1058
S1091 – 1095
S1951 – 1953,
S1084 – 1087
SYSTEM CONTROLLER
IC1703 (6/7)
134
AD3
135
AD4
136
AD5
66 SIRCS
41 M STSTUS
64 MBUS DVD
65 BUS VIDEO
63 MBUS TV
112
DIN
111
CLK
113
LAT
114
CLR
62
POWER
17
SP A
132
AD1
133
AD2
86 A1 IN
87 A1 OUT
21
DATA
22
CLK
24
F. SW LAT
117
2ND VOL LAT
115
FUN LAT SW
39
LED CR
38
LED CE
31
CLB
30
STB
4
DATA
2
CLK
28 DIN
30 CLK
31 LAT
32 CL
14
4
15
11 10 9 6
13
12
3
5
1
2
VIDEO SELECTOR
IC303
9
11
13
5
3
1
VIDEO AMP
IC301
11
O2-1
10
13
IN1
6
O3-1
7
O3-2
4
2
IN3
OUT1
BUFFER
Q850, 851
(DA2ES)
(EXCEPT DB1080: AEP, UK)
A
(Page 13)
DATA, CLK
Q
(Page 15)
DATA, CLK, LAT
P
(Page 15)
DATA, CLK, LAT
F
(Page 14)
DATA, CLK, LAT, 2ND LAT
DATA
CLK
LAT
2ND LAT
DATA
CLK
LAT
DATA
CLK
COMPONENT
VIDEO
TV/SAT IN
COMPONENT
VIDEO
DVD/LD IN
INH
C
B
A
P
B
/C
B
/B-Y
P
R
/C
R
/B-Y
COMPONENT
VIDEO
MONITOR OUT
LEVEL SHIFT
IC1011
I
/ 1
• SIGNAL PATH
: VIDEO IN
(JOG DIAL)
FUNCTION
11
C. JOG
12
C. JOG
13
F. JOG
14
F. JOG
15
V. JOG
16
V. JOG
MASTER
VOLUME
VOLUME
ROTARY
ENCODER
RV1001
ROTARY
ENCODER
RV1951
ROTARY
ENCODER
RV1051
50
SP B
D1901
D1902
STBY
+3.3V
STBY
+3.3V
S1901
SPEAKERS
A+B
OFF
A
B
(EXCEPT DB1080: E)
(DB1080: E)
SIRCS BUFFER
Q1702
FLOURESCENT INDICATOR TUBE DRIVER
IC1001
24
25
DIMMER
CONTROL
Q1002
MULTI
CHANNEL
DECODEING
D1019
9
10
2
1
13
12
5
4
8
3
11
6
LEVEL SHIFT
IC804
9
10
2
1
13
12
5
4
8
3
11
6
LEVEL SHIFT
IC805
CONTROL
CIRCUIT
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