Sony STR-DA1ES / STR-DB780 Service Manual ▷ View online
17
17
STR-DA1ES/DB780
5-5.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
REMOTE
CONTROL
RECEIVER
IC1711
I/O BUFFER
Q1607
D1603
CONTROL A1
II
J303
Q810
S1704
S1702
42 – 31
FL1601
FLUORESCENT
INDICATOR
TUBE
F1
F2
SEG1 – SEG12
GRID1 – GRID12
S1901 – 1909
S1914 – 1918
S1921 – 1928
S1931 – 1937
SYSTEM CONTROLLER
IC1601 (4/5)
39
A/D1
40
A/D2
41
A/D3
54 SIRCS
61
DIN
62
CLK
63
FL STB
56
POWER KEY
38
A/D0
65 CONTROL A1 IN
14 DATA
15 CLK
16 LATCH
46 FUN LAT SW
64 CONTROL A1 OUT
7
DIN
8
CLK
9
STB
A
(Page 13)
DATA, CLK
M
(Page 15)
DATA, CLK, LAT
L
(Page 15)
DATA, CLK, LAT
D
(Page 14)
DATA, CLK, LAT
DATA
CLK
LAT
DATA
CLK
LAT
DATA
CLK
LEVEL SHIFT
IC1602
I
/ 1
28
SP SWITCH/
FLASH1
SPEAKERS ON/OFF
(JOG DIAL)
FUNCTION
58
JOG (A)
57
JOG (B)
86
FUNC (A)
85
FUNC (B)
60
VOL (A)
59
VOL (B)
MASTER
VOLUME
VOLUME
ROTARY
ENCODER
RV1601
ROTARY
ENCODER
RV1801
ROTARY
ENCODER
RV1901
FLOURESCENT INDICATOR TUBE DRIVER
IC1600
9
10
2
1
13
12
8
3
11
LEVEL SHIFT
IC804
9
10
2
1
13
12
5
4
8
3
11
6
LEVEL SHIFT
IC805
42 – 31
2CH LED
31
LED DRIVE
Q1603
D1603
2CH ST
AFD LED
32
LED DRIVE
Q1602
D1602
AUTO DEC.
MODE LED
47
LED DRIVE
Q1612
D1612
MODE
DCS LED
26
LED DRIVE
Q1601
D1601
DIGITAL CINEMA SOUND
INPUT LED
29
LED DRIVE
Q1599
D1599
INPUT MODE
MILTI LED
30
LED DRIVE
Q1604
D1604
MULTI CH DIRECT
18
18
STR-DA1ES/DB780
5-6.
BLOCK DIAGRAM – POWER SUPPLY Section –
+5V
REGULATOR
Q824
+5V
+10V
REGULATOR
IC1902
TUNER +10V
+3.3V
REGULATOR
IC1905
TUNER +3.3V
+5V
REGULATOR
IC1503
A+5V
+5V
REGULATOR
IC1906
VIDEO +5V
+2.5V/+3.3V
REGULATOR
IC1901
+5V
REGULATOR
IC1903
D+2.5V
D+3.3V
D+5V
D909
+3.3V
REGULATOR
IC1904
RECT
D54 – 57
D52
D53
T2
SUB POWER
TRANSFORMER
SYSTEM
CONTROLLER
IC1601
(5/5)
AC POWER
DETECT
Q54
– 5V
REGULATOR
Q902
VIDEO – 5V
F1
F2
FLUORESCENT INDICATOR TUBE
(FL1601)
– 30V
– 30V
REGULATOR
Q903
RECT
D912, 913
– 15V
REGULATOR
IC802
– 15V
+15V
+15V
REGULATOR
IC801
RELAY +24
B+
B–
-2
-1
8Ω
4Ω
IMPEDANCE
SELECTOR
S901
L001
MAIN POWER
TRANSFORMER
77
RSTX
55
FUSE DETECT
48
STOP
66
POWER RELAY
STBY +3.3V
RESET SIGNAL
GENERATOR
IC1602
RECT
D903 – 906
RECT
D908
D908
F904
F903
RECT
D914
D914
F1
RELAY
DRIVE
Q51
RY1
(AC IN)
(DB780: TW)
(DA1ES/DB780: SP, MY)
(DA1ES/DB780: SP, MY, TW)
AC OUTLET
CNJ1
(DB780: AEP, UK)
F2
• Abbrivation
MY : Malaysia model
SP : Singapore model
TW : Taiwan model
MY : Malaysia model
SP : Singapore model
TW : Taiwan model
F905
F906
(EXCEPT DA1ES/DB780: TW)
(EXCEPT DA1ES/DB780: TW)
(DA1ES/DB780: TW)
19
STR-DA1ES/DB780
5-7.
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
• 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
CH
: Chinese model
CND : Canadian model
KR
KR
: Korean model
MY
: Malaysia model
SP
: Singapore model
TW
: Taiwan 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-DA1ES/DB780
• Circuit Boards Location
DC 2 board
PRE/SPOUT board
S-VIDEO board
H.P board
DIGITAL board
BIAS board
MUTING board
KEY board
POWER board
VIDEO board
VIDEO 3 board
V3-OPT board
AC board
VIDEO.AU board
TUNER
MAIN board
DISPLAY board
DC 1 board
PR 1 board
SEC 1 board
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