Sony STR-DN840 Service Manual ▷ View online
STR-DN840
STR-DN840
41
41
5-22. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
• See page 51 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (4/4)
25
26
27
28
29
17
20
21
22
23 24
19
18
31
38
32
39
37
40
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
-7
-7
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
-7
0
0
0
7
0
0
0
-7
0
0
0
7
0
0
0
-7
0
0
0
7
0
0
0
0
0
-15
-7
15
7
15
7
0.7
0
0
7
0
-7
0
0
0
I
O
G
SL_FIL
SBL_FIL
C_FIL
SR_FIL
SR_FIL
FR_FIL
SBR_FIL
SW_FIL
FL-FIL
NW_L_VOLIC_OUT
NW_R_VOLIC_OUT
DCAC_IN
TUNER_L
NW_R_VOLIC_IN
NW_L_VOLIC_IN
TUNER_R
SW
TUNER_GND
L_IN
DA
TA
CLK
R_IN
W002
C401
2200p
A_GND
C450
100p
C449
100p
D352
1SR154-400TE-25
CL427
CL430
CL442
CL431
CL433
CL434
CL435
CL437
CL438
CL425
CL423
CL421
CL420
CL420
RY301
Q301
2PD601ART
RELAY DRIVER
100k
R307
47k
R304
1k
R301
47k
R308
C301
10
50V
1k
R309
CL348
C489
2200p
C499
2200p
C353
470
16V
C351
470
16V
16V
D301
DA2J10100L
R302
100
D356
P6SMBJ33A-5
C487
C350
1
C352
1
C355
470p
C354
470p
IC400
BD3470KS2
1
GND
2
HPFN
3
LPF01
4
LPF02
5
LPFN2
6
LPFN1
7
SWVOL
8
VCC
9
DGND
10
DA
TA
11
CLK
12
VEE
13
FROUT
14
FLOUT
15
SWOUT
16
COUT
17
SROUT
18
SLOUT
19
SBROUT
20
SBLOUT
21
GND
22
GND
23
SUB2L
24
SUB2R
25
RECL3
26
RECR3
27
RECL2
28
RECR2
29
RECL1
30
RECR1
31
GND
32
SBL IN2
33
SBR IN2
34
SL IN2
35
SR IN2
36
C IN2
37
SW IN2
38
FL IN2
39
FR IN2
40
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
GND
41
INL12
42
INR12
43
INL1
1
44
INR1
1
45
INL10
46
INR10
47
INL9
48
INR9
49
INL8
50
INR8
51
INL7
52
INR7
53
INL6
54
INR6
55
INL5
56
INR5
57
INL4
58
INR4
59
INL3
60
INR3
INL2
INR2
INL1
INR1
GND
SBLIN
SBRIN
SLIN
SRIN
CIN
SWIN
FLIN
FRIN
GND
ADCROUT
ADCLOUT
GND
SUB1 R
SUB1 L
GND
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
C421
1000p
C427
1000p
C428
1000p
C423
1000p
C424
1000p
C425
1000p
C426
1000p
C422
1000p
C706
270p
C756
270p
R783
R784
820
15k
R734
15k
R733
820
C310
470 10V
C311
470 10V
C506
270p
R533
R534
820
15k
C656
270p
R683
R684
820
1.5k
C856
270p
R883
R884
820
15k
C556
270p
R584
1.5k
R583
820
C606
270p
R634
1.5k
R633
820
C806
270p
R834
15k
R833
820
C357
1
C358
470p
C359
470
22
R312
22
R310
22
R311
22
R313
J401
6P
J402
4P
5
6
7
8
4
3
2
1
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
5
6
7
8
4
3
2
1
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
5
6
7
8
4
3
2
1
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
5
6
7
8
4
3
2
1
O
I
G
O
I
G
WHT
RED
WHT
RED
WHT
RED
BLK
BLK
WHT
RED
WHT
RED
CC58
100p
1k
R458
CL345
CC08
100p
1k
R408
CL344
CC57
100p
1k
R457
CL375
CC07
100p
1k
R407
CC53
100p
1k
R453
CC03
100p
CC51
100p
CC01
100p
1k
R403
1k
R641
1k
R640
CL374
CL341
CL340
CL338
CL337
0.1
4
MAIN BOARD (1/4)
(Page 38)
7
MAIN
BOARD
(3/4)
(Page 40)
8
MAIN
BOARD
(3/4)
(Page 40)
5
MAIN
BOARD
(2/4)
(Page 39)
IC400
DIR FUNCTION SELECT
IC411
NJM4565M-D
IC411
LINE AMP
IC413
NJM4565M-D
IC413
LINE AMP
IC412
NJM4565M-D
IC412
LINE AMP
IC410
NJM4565M-D
IC410
LINE AMP
IC420
LINE AMP
IC B/D
IC352
KIA7907F-RTF/P
-7V REG.
IC352
IC350
KIA7807AF-RTF/P
+7V REG.
IC350
IC351
KIA7807AF-RTF/P
+7V REG.
IC351
JS315
33
34
35
36
34
35
36
C431
1
C434
47p
C430
1
C484
47p
IC420
NJM4565M-D
1
BT ROut
2
BT R-
3
DM R+
4
-7V
5 BT L+
6 BT L-
7 BT LOut
8 +7V
C482
47p
C491
0.1
100k
R422
C441
100k
R423
22k
R471
100k
R473
22k
R470
100k
R472
22k
R420
22k
R421
C481
1
C480
1
C432
47p
C433
10
C483
10
0.1
TW, US, CND
L
R
AUDIO
VIDEO IN
AUDIO
SUBWOOFER OUT
L
R
AUDIO
SAT/CATV IN
AUDIO
TV IN
L
R
AUDIO
SA-CD/CD IN
L
R
Ver. 1.1
STR-DN840
STR-DN840
42
42
5-23. PRINTED WIRING BOARD – DISPLAY Board –
• See page 18 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC O
IC101
IC100
T100
1
8
3
CN100
C101
C102
C103
C105
C108
C109
S120
S121
C123
R124
R125
S101
S102
S103
S104
S105
S108
S109
S110
C126
C1
15
C113
24
2
25
1
CN102
1
54
2
53
50
38
ND100
VACUUM FLOURESCENT DISPLAY
1
3
CN101
D104
LP101
LP103
L101
LP104
Q102
FB100
FB102
D101
CL131
CL1
12
CL1
19
CL103
CL122
CL106
CL117
CL101
CL116
CL100
CL123
CL107
CL118
CL102
CL132
CL113
CL120
CL104
CL130
C
L111
CL133
CL114
CL126
CL109
CL108
CL115
CL129
CL1
10
CL121
CL105
CL128
R143
R102
R131
R122
R109
C106
CL137
R144
R134
R112
R136
R107
C130
C114
CL135
R138
C112
CL138
R137
R126
R1
13
R130
R121
R108
C132
C121
R145
R103
C129
CL136
R139
R132
R123
R110
C124
R147
R1
17
R101
C127
CL140
R104
C1
10
R129
R1
14
C116
R153
R127
R1
15
CL134
R135
R105
C104
CL125
R154
R146
R128
R1
16
R100
C100
R133
R111
C117
C107
JR
JR1
16
JR
JR1
17
JR JR100
JR111
JR
JR121
JR
JR131
JR
JR129
JR
JR104
JR
JR133
JR
JR137
JR
JR127
JR
JR124
JR
JR130
JR
JR102
JR
JR135
JR
JR139
JR
JR1
19
JR
JR123
JR
JR136
JR
JR
JR
JR125
JR
JR118
JR
JR
JR115
JR
JR103
JR JR101
JR106
JR
JR
JR110
JR132
JR107
JR
JR1
13
JR
JR144
JR
JR145
JR
JR146
JR
JR147
JR148
JR138
JR108
JR150
JR151
JR
JR
JR
JR
JR
JR152
JR
JR
JR
JR
JR109
JR140
JR153
JR154
Q104
C135
CL139
D105
KA
JR
JR141
CL124
R155
CL141
JR
JR126
JR
JR134
JR
JR
JR114
JR
JR
JR143
JR
JR
JR156
JR157
JR160
JR161
JR
JR
JR162
D102
D103
C122
C125
JR
JR158
JR
JR159
JR
JR149
JR
JR155
R159
JR
JR128
Q103
E
E
Q105
E
C136
C137
JR
JR122
B
DIGITAL
BOARD
CN2101
(Page 26)
L
FRONT JACK
PWB BOARD
CN105
(Page 48)
M
POWER KEY
BOARD
CN103
(Page 50)
DISPLAY BOARD
1-887-711-
21
(21)
MASTER VOLUME
PURE DIRECT
INPUT SELECTOR
DISPLAY
DIMMER
SOUND OPTIMIZER
MUSIC
MOVIE
A.F.D./2CH
T100
DC CONVERTER
TRANSFORMER
1
9
US, CND, TW
EXCEPT US, CND, TW
CONNECTION PAIRING
BLUETOOTH
INPUT MODE
Ver. 1.1
STR-DN840
STR-DN840
43
43
5-24. SCHEMATIC DIAGRAM – DISPLAY Board –
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DISPLAY BOARD
3.3 3.3
3.5
3.5
3.5
7
0
4.7
0
4.7
5
5.3
3.3
4.6
0.1
5
0
3.5
3.5
3.5
VCC
OUT
GND
1
8
3
4
5
6
7
4
5
6
7
2
3
5
6
8
7
1
4
9
POWER_BUTTON
LED_STBY
LED_ON
AD1
DCAC_SIGNAL
Q102
SWITCHING
TRANSISTOR
QS5W2TR
L101
47uH
680
R137
C125
0.022
C124
4700p
C113
47
50V
C116
0.01
33k
R123
100
R122
100
R121
C112
0.1
C114
0.1
100
R131
47
R133
47
R132
C121
33p
C123
1000
6.3V
33k
R129
100
R136
R135
10
22k
R139
10k
R138
C132
3300p
C130
3300p
C129
3300p
C127
3300p
10k
R143
22k
R145
1
2
3
S120
1
2
3
CN100
8P
AD1
LED_STBY
POWER_BUTTON
DGND
NC
+3.3V_STBY
LED_ON
D101
DZ2J062M0L
2.2k
R127
2.2k
R128
1k
R130
4.7k
R126
FB100
1kohm
C110
2200p
S108
1k
R114
2.2k
R117
CL104
CL105
CL106
CL105
CL106
CL110
CL111
CL112
CL112
CL113
CL114
CL100
CL109
CL107
CL101
CL102
CL103
CL102
CL103
C104
33p
C107
0.1
C109
47
16V
C103
22
16V
C101
1
50V
C100
100p
100
R100
10k
R109
47k
R110
4.7k
R102
47k
R105
47k
R104
1k
R108
C108
1
50V
1k
R115
56k
R112
C106
33p
4.7k
R107
4.7k
R103
4.7k
R101
C102
10
50V
C105
22
16V
6.2k
R111
6.8k
R113
IC100
NJM2904M
1
1OUT
2
1-
3
1+
4
GND
5
2+
6
2-
7
2OUT
8
Vcc
100k
R116
C126
220
6.3V
SWITCHING
TRANSISTOR
CONTROL
SWITCHING
TRANSISTOR
CONTROL
VACUUM FLOURESCENT DISPLAY
ND100
2
53 54
49 50
47 48
45 46
43 44
42
40 41
38 39
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
AD1
POWER_BUTTON
DCAC_SIGNAL
FL_EN
FL_EN
FL_EN
LED_ON
LED_STBY
LED_STBY
CL115
CL116
CL117
CL118
CL119
CL120
CL121
CL122
CL123
CL124
CL126
CL116
CL117
CL118
CL119
CL120
CL121
CL122
CL123
CL124
CL126
CL129
CL130
CL130
CL136
CL138
CL131
CL132
CL133
CL134
CL135
CL133
CL134
CL135
CL137
CN102
25P
LED_STBY
LED_ON
FL_BK
+3.3V_DCDC
+7V (7807)
AGND
FL_EN
DCAC_SIGNAL
MIC_MUTE
DGND
PURE_DIRECT
DGND
+3.3V_STBY
FL_GND
FL_GND
+6V_DCDC
VOLUME_JOG
POWER_BUTTON
SIRC
AD2
AD1
INPUT_JOG
FL_LATCH
FL_DIN
FL_CK
CL139
CL140
CL140
FB102
0uH
Q104
2SB1710TL
C135
0.1
C136
10p
C137
1000p
Q103
PDTC114ET
680
R153
470
R154
CL108
R124
8.2k
R125
8.2k
C115
10 50V
C117
0.1
100
R134
0
R155
1
2
3
CL125
CL128
CN101
3P
AGND
MIC_JACK
AGND
CL141
D105
SA10QA04
Q105
LED DRIVER
2PD601ART
680
R146
10k
R144
100k
R147
D104
SLI-325DCT31W
C122
10
D103
BAV99-215
D102
BAV99-215
0
R159
DGND
AGND
BK
LATCH
CLOCK
SI/DATA
VDD
VH +30V
SI/DA
TA
CLOCK
LA
TCH
BK
VDD
VH
PGND
LGND
F2
F2
F1
F1
5V Out
A.F.D./2CH
S109
MOVIE
S110
MUSIC
S105
SOUND OPTIMIZER
S104
(US, CND, TW)
INPUT MODE
(EXCEPT US, CND, TW)
S102
DISPLAY
S101
PURE DIRECT
LED
(PURE DIRECT)
S103
DIMMER
INPUT
SELECTOR
S121
MASTER
VOLUME
VOLUME
G
DIGITAL
BOARD
(4/8)
CN2101
(Page 31)
M
FRONT
JACK PWB
BOARD
CN105
(Page 48)
L
POWER
KEY
BOARD
CN103
(Page 50)
PNA4823M03S0
IC101
REMOTE CONTROL
SIGNAL RECEIVER
IC101
AUDIO AMP
IC100
DC CONVERTER
TRANSFORMER
T100
CONNECTION PAIRING
BLUETOOTH
Ver. 1.1
STR-DN840
STR-DN840
44
44
5-25. PRINTED WIRING BOARD – DCDC Board –
• See page 18 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C1904
IC1904
IC1902
IC1903
IC1901
R1907
R191
1
R1914
R1915
C1915
R1916
C1916
R1918
R1919
C1922
C1925
R1926
C1926
R1927
C1927
R1928
C1930
C1931
C1932
R1933
C1935
C1936
C1937
R1940
R1942
C1942
R1943
R1944
R1945
R1946
R1947
R1948
L1902
L1903
L1904
L1907
L1908
L1909
D923
F941
1
4
CN941
C1905
C1907
C1906
C1961
C1966
C1910
C1965
C1912
C1960
C1967
C1911
C1962
F940
1
2
CN901
1
11
CN1901
C1947
C1945
C1946
R1965
R1939
R1938
R1937
R1925
R1913
LP1901
R1905
L1901
C1969
C1964
C1944
C1934
C1929
C1924
C1914
C1909
C900
L1906
R1964
CL948
CL946
CL942
CL941
CL943
C1971
C1951
C1957
C1972
C1955
C1949
C1952
C1956
C1973
C902
C907
C908
CL911
CL909
CL950
CL910
CL949
CL947
C1975
C1954
C1948
DCDC BOARD
(COMPONENT SIDE)
1-887-631-
22
(22)
DCDC BOARD
(CONDUCTOR SIDE)
1-887-631-
22
(22)
O
STANDBY
BOARD
CN940
(Page 46)
N
POWER
TRANSFORMER
(MAIN)
T901
(Page 46)
G
DIGITAL
BOARD
CN1501
(Page 27)
Ver. 1.1
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