Sony STR-DA2ES / STR-DB1080 Service Manual ▷ View 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
18
18
STR-DA2ES/DB1080
6-6.
BLOCK DIAGRAM – POWER SUPPLY Section –
+5V
REGULATOR
Q824
+5V
+10V
REGULATOR
IC1301
TUNER +10V
+3.3V
REGULATOR
IC1302
TUNER +3.3V
+5V
REGULATOR
IC1808
A+5V
+5V
REGULATOR
IC1801
VIDEO +5V
+3.3V
REGULATOR
IC1802
+5V
REGULATOR
IC1807
+3.3V
REGULATOR
IC1806
TRX +3.3V
+2.6V
REGULATOR
IC1805
D+2.6V
D+3.3V
D1803
D909
+3.3V
REGULATOR
IC1804
+5V
REGULATOR
IC1803
STBY +5V
RECT
D54 – 57
D58
D52
D53
T2
SUB POWER
TRANSFORMER
SYSTEM
CONTROLLER
IC1703
(7/7)
AC POWER
DETECT
Q54
– 5V
REGULATOR
Q902
VIDEO – 5V
F1
F2
FLUORESCENT INDICATOR TUBE
(FL1001)
+32V
+32V
REGULATOR
Q903
RECT
D912, 913
– 15V
REGULATOR
IC802
– 15V
+15V
+15V
REGULATOR
IC801
RELAY +24
B+
B–
-2
-1
8Ω
4Ω
IMPEDANCE
SELECTOR
S901
T901
MAIN POWER
TRANSFORMER
42
D POWER
43
V POWER
55
RSTX
49
SUB T. PORT
60
STOP
18
POWER RY
B+ SWITCH
Q1801, 1802
+7V
REGULATOR
IC1809
+7V
B+ SWITCH
Q1805, 1806
B+ SWITCH
Q1803, 1804
B+ SWITCH
Q1810
STBY +3.3V
RESET SIGNAL
GENERATOR
IC1702
B+ SWITCH
Q52, 53
RECT
D903 – 906
RECT
D908
D908
F904
F903
RECT
D914
D914
F1
F49
VOLTAGE
SELECTOR
VS49 (1/2)
VS49 (1/2)
VOLTAGE
SELECTOR
VS49 (2/2)
VS49 (2/2)
(EXCEPT DB1080: E)
(DB1080: E)
(DB1080: E)
RELAY
DRIVE
Q51
RY1
(AC IN)
(DB1080: E)
(EXCEPT DB1080: E, Korean)
(DA2ES/DB1080: E)
(EXCEPT DB1080: Korean)
AC OUTLET
CNJ1
D+5V
REGULATOR
CONTROL
SWITCH
Q904, 905
B+ SWITCH
Q1811, 1812
(DB1080: AEP, UK)
(DA2ES)
F2
19
STR-DA2ES/DB1080
6-7.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
no mark : TUNER
(
) : VIDEO 1
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER
J
: AUDIO IN (ANALOG)
c
: AUDIO IN (DIGITAL)
E
: VIDEO IN
• Abbreviation
CND : Canadian model
KR
KR
: Korean model
MY
: Malaysia model
SP
: Singapore model
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
20
STR-DA2ES/DB1080
• Circuit Boards Location
DC2 board
SP board
S-VIDEO board
H.P board
DIGITAL board
BIAS board
MUTING board
SW board
POWER board
VIDEO board
VIDEO 3 board
V3-OPT board
UP CONVERT board
(DA2ES)
(DA2ES)
SP-B board
(DB1080: E model)
(DB1080: E model)
AC board
VIDEO AU board
V.SWITCH board
(EXCEPT DB1080: E model)
(EXCEPT DB1080: E model)
TUNER
MAIN board
DISP board
DC1 board
MIX board
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