DOWNLOAD Sony STR-DA1ES / STR-DB780 Service Manual ↓ Size: 7.8 MB | Pages: 84 in PDF or view online for FREE

Name: Sony STR-DA1ES / STR-DB780
Brand: Sony
SKU: 480
Rating: 4 (1 reviews)

Model: STR-DA1ES STR-DB780
Pages: 84
Size: 7.8 MB
Type: PDF
Document: Service Manual
Brand: Sony
Device: Audio
File: str-da1es-str-db780.pdf
Date: 2018-11-20

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STR-DA1ES/DB780
41
41
5-28. SCHEMATIC  DIAGRAM  – KEY/MUTING/POWER Boards –
R1914
R1915
R1916
R1917
R1918
R1919
R1932
R1933
R1934
R1935
R1936
R1937
R1902
R1903
R1904
R1905
R1906
R1907
R1908
R1909
R1928
R1927
R1926
R1925
R1924
R1923
R1922
S1921
S1922
S1923
S1924
S1925
S1926
S1927
S1928
S1909
S1908
S1907
S1906
S1905
S1904
S1903
S1902
S1901
S1914
S1915
S1916
S1917
S1918
S1937
S1936
S1935
S1934
S1933
S1932
S1931
CN662
CN660
CN661
R1912
R1913
RV1901
S1704
S1702
RV1801
1k
2.2k
2.2k
4.7k
10k
22k
470
1k
1k
2.2k
2.2k
4.7k
470
1k
1k
2.2k
2.2k
4.7k
10k
22k
10k
4.7k
2.2k
2.2k
1k
1k
470
13P
11P
8P
470
1k
A/D(0)
A/D(1)
A/D(3)
A/D(2)
JOG(-)
JOG(+)
GND
+5V
SETUP/NAME
LEVEL/SURR
EQ
SELECT LED
GND
+5V
POWER SW.
SIRCS
SP SW.
A/D(3)
+3.3V(STBY)
A/D(3)
GND
+5V
MODE LED
A/D(1)
A/D(1)
FUNC(A)
FUNC(B)
GND
ROTARY
ENCODER
FUNCTION
ROTARY
ENCODER
(JOG DIAL)
ENTER
LEVEL
SURR
EQ
CUSTOMIZE
SET UP
EQUALIZER
MODE
FM MODE
MEMORY
PL
CINEMA
MODE -
MODE +
MULTI CH
DIRECT
FM/AM
+
-
TUNING
PRESET
2CH ST
AUTO DEC.
PTY SELECT
TUNING
DIMMER
STUDIO
EX A
DISPLAY
S1926
S1928
(DB780:AEP,UK)
(EXCEPT DB780:AEP,UK)
CINEMA
STUDIO
EX B
RDS PTY
SLEEP
(EXCEPT DB780:AEP,UK)
(DB780:AEP,UK)
INPUT
CINEMA
STUDIO
EX C
+
-
TUNING/
SPEAKERS ON/OFF
(Page 39)
(Page 39)
(Page 39)

STR-DA1ES/DB780
42
42
5-29. PRINTED  WIRING  BOARDS  – AC/DC 1/DC 2/PR 1/SEC 1  Boards –
•
 See page 20 for Circuit Boards Location.
DC 2 BOARD
-1
-2
INPEDANCE
SELECTOR
S901
4Ω       8Ω
E
B
B
C
E
C
6
1
A
DIGITAL
BOARD
CNP6
1
6
1
4
3
1
E
DIGITAL BOARD
CNP5
7
1
W
MAIN BOARD
CN804
4
1
6
1
(CHASSIS)
1-684-325-
11
(11)
1
3
DC 1 BOARD
1
4
1
3
V
MAIN
BOARD
CN802
1
4
(DA1ES)
1-684-324-
11
(11)
AC BOARD
(CHASSIS)
1
E
E
(DB780: AEP, UK)
(DB780: TW)
DA1ES/
DB780: SP, MY
1
2
(AC IN)
(CHASSIS)
1-684-323-
11
(11)
(DA1ES)
1
2
AC OUTLET
CNJ1
(DA1ES/DB780: SP, MY, TW)
SUB POWER
TRANSFORMER
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
1
5
4
SEC 1 BOARD
PR 1 BOARD
2
1
1
6
1
3
1-685-500-
11
(11)
1-685-501-
11
(11)
1
3
5
1
L001
MAIN POWER
TRANSFORMER
12
F905
F906
DA1ES/
DB780: TW
EXCEPT DA1ES/
DB780: TW
EXCEPT DA1ES/
DB780: TW
• Semiconductor
Location
Ref. No.
Location
D51
D-7
D52
C-7
D53
C-7
D54
C-7
D55
B-7
D56
C-7
D57
B-7
D901
G-2
D902
E-2
D903
H-3
D904
H-3
D905
H-3
D906
G-3
D907
F-1
D908
G-3
D909
G-2
D912
F-2
D913
E-2
D914
Q51
D-7
Q54
D-7
Q902
G-2
Q903
E-2
(Page
30)
(Page 25)
(Page 30)
(Page 25)

STR-DA1ES/DB780
43
43
5-30. SCHEMATIC  DIAGRAM  – AC/DC 1/DC 2/PR 1/SEC 1 Boards –
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 
0
 sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
JW910
D914
CN911
JW901
CN910
R902
C904
C906
JW907
C909
D913
D912
C912
C901
D901
C905
D909
R903
C907
C902
C903
C920
D903
D906
D905
D904
CN906
CN907
CN901
CN902
CN905
Q902
R56
R55
C51
D55
D56
D57
D54
Q54
D52
D53
R54
C52
R53
C53
C56
R1
CN2
JW2
JW1
CN1
JW3
D51
Q51
R52
R51
C917
JW903
JW902
JW904
JW905
C918
EB902
R911
R912
D908
S901
EB51
RY1
F2
F1
T2
EB1
C3
CN904
CN903
Q903
D902
R910
R909
D907
C908
C916
C915
F906
F905
JW51
CN51
CNJ1
CNP1
L001
R904
C55
CN909
CNP906A
CNP909
CNP907
CNP906B
F904
F903
RBV-602
3P
3P
22k
47
50V
47
50V
330
63V
11ES2
11ES2
47 16V
47
16V
MTZJ-
5.6B2
47
16V
11ES2
2.2k
4700
16
2200
35V
1000
35V
10000p
11ES2
11ES2
11ES2
11ES2
6P
6P
3P
7P
3P
2SB1241
10k
33k
2200
10V
11EQS04
11EQS04
11EQS04
11EQS04
2SC2785
1SS133
1SS133
47k
4700p
680
0.056
470p
3.3M
1/2W
2P
2P
1SS133T
2SC2785
10k
2.2k
1
1W
1
1W
RBV-402
4700p
250V
4P
6P
2SB1241
MTZJ-36B
2.2
2.2
RD6.2F-B2
1000
16V
12A
250V
12A
250V
4P
2P
10k
0.1
50V
5P
3P
5P
6P
3P
∗
∗
∗
∗
∗
∗
∗
∗
H-A
H-B
L-A
L-B
O-B
O-A
GND
GND
O-B
O-A
GND
GND
+24V
-24V
GND
+8V
-8V
GND
GND
AC 6V
AC 6V
+36V
+36V
+B
-B
B GND
RY GND
GND
24V(RY)
+24V
-24V
P.RY
GND
P.RY
FL GND
D.GND
8V
8V
STOP
STOP
GND
-5V
8V
(CHASSIS)
P.RY
GND
STOP
8V
(CHASSIS)
(CHASSIS)
3
1
2
4
3
1
2
4
∗
F903,904
4A 125V
-5V REGULATOR
-2
-1
IMPEDANCE
SELECTOR
FL 1
FL 2
∗
0.033 250V
0.015 100V
AC POWER
DETECT
RELAY
DRIVE
∗
F1
10A 125V
∗
10A 125V
F2
TRANSFORMER
SUB POWER
(AC IN)
AC OUTLET
C917,918
(DA1ES/DB780:TW)
(EXCEPT DA1ES/DB780:TW)
∗
C915,916
12000 63V
10000 71V
(DA1ES)
(DB780)
(DA1ES)
(EXCEPT DA1ES/DB780:TW)
(DB780:TW)
0.1 100V
(DA1ES)
(DA1ES/DB780:TW)
(EXCEPT DA1ES/DB780:TW)
(DA1ES/DB780:TW)
(EXCEPT DA1ES/DB780:TW)
(DA1ES/DB780:TW)
(EXCEPT DA1ES/DB780:TW)
(DB780:AEP,UK)
(DB780:TW)
(DA1ES)
(DA1ES/DB780:SP,MY,TW)
(DA1ES/DB780:SP,MY)
(DA1ES)
(DB780:SP,MY)
MAIN POWER
TRANSFORMER
-30V REGULATOR
-30V
T2.5AL 250V
T2.5AL 250V
T4AL 250V
GND
+24V
-24V
GND
+8V
-8V
GND
GND
AC 6V
AC 6V
+36V
+36V
H-A
H-B
L-A
L-B
GND
8Ω
4Ω
(Page 32)
(Page 22)
(Page 32)
(Page 22)

STR-DA1ES/DB780
44
44
4.3 Vp-p
81 ns
4.8 Vp-p
326 ns
3.4 Vp-p
20.8 
µ
s
4.3 Vp-p
81 ns
3.4 Vp-p
20.8 
µ
s
qs
IC1201 
w;
 (BCKO)
3
IC1101 
qg
 (LRCK)
qd
IC1201 
ws
 (KFSIO)
4
IC1101 
wa
 (XOUT)
qa
IC1201 
ql
 (LRCKO)
qf
IC1201 
wk
 (LRCKI2)
3.4 Vp-p
20.8 
µ
s
2.4 Vp-p
63 ns
5.1Vp-p
81 ns
3.4 Vp-p
20.8 
µ
s
7
IC1501 
el
 (MCLKI)
8
IC1601 
is
 (X0)
6
IC1501 
5
 (LRCK)
9
IC1201 
qs
 (MCLK2)
3.9 Vp-p
74 ns
5.1Vp-p
81 ns
q;
IC1501 
qf
 (SCKOUT)
4.5 Vp-p
326 ns
qg
IC1201 
wl
 (BCKI2)
4.8 Vp-p
326 ns
5
IC1501 
4
 (BCLK)
•
Waveforms
– DIGITAL Board –
1
IC1101 
qd
 (CKOUT)
4.5 Vp-p
326 ns
4.3 Vp-p
81 ns
2
IC1101 
qf
 (BCK)

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