Sony STR-DG820 Service Manual ▷ View online
STR-DG820
STR-DG820
38
38
8
1
4
5
B
E
C
B
E
B
E
E
B
E
E
B
E
E
B
E
E
B E
C
B
E
1
5
B
E
R807
R809
R810
R811
Q701
Q705
Q706
Q709
Q710
Q711
Q712
Q713
Q714
FB701
R701
R704
R706
R709
R710
R711
R712
R716
R717
R718
R724
R727
R728
R729
R730
R731
R733
R734
R735
R736
C704
C707
C710
C711
C714
C716
R757
R758
R759
JL701
JL705
JL706
JL707 JL708
JL711
JL714
JL715
JL716
JL717
R772
R773
R774
R775
R777
R779
JL721
JL722
JL723
JL724
JL727
R780
JL728
R781
JL729
R782
R783
R786
R787
R788
JL730
R790
JL738
R791
JL739
R792
R793
R794
R796
JL740
JL741
C760
JL748
D704
C765
JL749
D705
C766
D706
D707
C768
D708
D709
JL750
JL751
JL752
JL753
D710
C770
JL754
JL755
C771
JL756
D712
JL757 JL758
JL759
C775
C776
C778
JL760
JL761
JL762
JL763
JL764
JL765
JL766 JL767
JL768
JL769
IC705
IC708
JL770
JL771
JL772
JL773
JL774
JL775
JL776 JL777JL778JL779JL780 JL781
JL782
JL783
JL784
JL785
JL786
1
4
3
1
14
3
1
15
3
1
6
3
17
1
6
3
CNP718
A701
A702
A703
A704
A705
L701
ND701
R707
R708
CN706
CN707
CN713
CN720
C701
CN723
C706
C708
W762
C713
C715
S701
S702
S703
S704
S705
S708
S711
S712
S715
S722
JW700
JW701
JW702
JW703
JW704
JW705
C759
JW706
JW707
JW708
JW709
C761
C763
JW710
C764
JW711
JW712
JW713
C767
JW714
JW715
C769
JW716
JW717
JW718
JW719
JW720
JW721
JW722
JW723
JW724
JW725
JW726
JW727
JW728
JW729
C780
C784
JW730
C785
JW731
JW732
JW734
JW735
JW736
JW737
JW738
JW739
JW740
JW742
JW743
JW744
JW746
JW747
JW749
IC701
FLUORESCENT INDICATOR TUBE
1
2
3
S701 – 705,
S708, 711, 712
1
2
3
1
1
2
10
3
T701
DC/DC
CONVERTER
ROTARY ENCODER
MEMORY/ENTER
2CH/
A. DIRECT
DIMMER
A. F. D.
MOVIE
MUSIC
DISPLAY
INPUT MODE
ROTARY ENCODER
INPUT SELECTOR
MASTER VOLUME
DCAC JACK
BOARD
CN718
LED BOARD
CN719
JOG BOARD
CN104
FRONT V2 BOARD
CN722
AG
AF
AJ
AM
AN
AL
MICOM BOARD
CN7006
MICOM BOARD
CN7007
1-875-917-
11, 12, 13
(11, 12, 13)
DISPLAY BOARD
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
11
12
POWER SW
BOARD
CN2
AK
6-24. PRINTED WIRING BOARD - DISPLAY Board -
•
: Uses unleaded solder.
• See page 19 for Circuit Boards Location.
(Page 36)
Ref. No. Location
• Semiconductor
Location
D704
D-5
D705
E-5
D706
D-5
D707
D-5
D708
D-5
D709
A-10
D710
E-5
D712
D-4
IC701
C-12
IC705
A-11
IC708
D-4
Q701
C-7
Q705
D-5
Q706
D-4
Q709
C-7
Q710
C-8
Q711
C-8
Q712
A-9
Q713
A-10
Q714
B-9
(Page 36)
(Page 42)
(Page 42)
(Page 42)
(Page 42)
(Page 46)
Ver. 1.2
STR-DG820
STR-DG820
39
39
• See page 48 for IC Block Diagrams.
6-25. SCHEMATIC DIAGRAM - DISPLAY Board -
MICOM
CN7007
AF
BOARD
AJ
AK
LED
BOARD
CN719
POWER
BOARD
CN2
SW
DCAC
JACK
CN718
AL
BOARD
V2
FRONT
BOARD
AM
CN722
BOARD
AN
CN104
JOG
IC B/D
MICOM
BOARD
AG
CN7006
2.6
15.5
10.9
1
-0.4
10.8
10.8
-0.4
0
7
0
0
3.3
2.7
2
3.3
2
3.3
2.7
0
7
7
0
0.1
0
3.4
3.4
7
3.4
5.7
5.7
3.4
3.3
3.3
50V
10
C708
0.1
C707
0.1
C714
0.1
C716
MA113-(TX)
D704
MA113-(TX)
D705
MA113-(TX)
D706
MA113-(TX)
D707
Q706
2SD1624T-TD-E
Q705
2SD1624T-TD-E
JL724
JL723
JL722
JL730
JL721
JL728
JL729
JL717
JL741
JL706
JL71
1
JL714
JL708
JL707
JL716
JL715
JL727
JL701
JL738
JL739
JL740
JL705
JL748
L701
100uH
2
3
5
6
8
7
1
10
4
9
RT1N141C-TP-1
Q701
RT1N141C-TP-1
Q709
50V
C715
100
8
7
6
5
4
3
2
1
NJM2904M(TE2)
IC705
GND
VCC
100p
C760
4.7k
R777
6.2k
R780
47k
R781
33p
C765
33p
C766
56k
R782
47k
R775
47k
R774
4.7k
R783
2200p
C768
FB701
4.7k
R786
4.7k
R787
1k
R788
JL749
JL750
RT1P141C-TP-1
Q712
10k
R790
10k
R791
100k
R792
100k
R793
RT1N141C-TP-1
Q714
VCC
OUT
GND
1
2
3
1k
R794
JL751
JL753
JL754
JL752
1k
R724
1k
R730
2.2k
R729
2.2k
R728
4.7k
R727
100
R709
100
R711
100
R710
100
R718
100
R712
1k
R735
2.2k
R772
10k
R759
100
R757
10
R706
100
R717
100
R716
5.6k
R731
1k
R736
27k
R734
R704
0
C71
1
2200p
C710
2200p
2200p
C775
2200p
C776
180
R758
50V
1
C759
50V
1
C767
50V
10
C761
16V
47
C769
16V
47
C701
16V
47
C706
16V
47
C780
0.1
C770
0.1
C778
0.022
C771
10k
R779
MA2J1110GLS0
D710
MA2J1110GLS0
D709
ND701
1
5
6
37 38 39 40 41 42 43 44 45 46
49 50
2
JL755
JL756
JL757
JL758
JL759
C704
100p
ISA1235AC1TP-1EF
Q711
2.2k
R733
1k
R701
2SC3052EF-T1-LEF
Q710
1
2
3
4
5
6
7
7P
CN707
JL760
JL761
JL762
JL763
JL764
JL765
JL766
JL767
JL768
JL769
JL770
JL771
JL772
JL773
JL774
JL775
JL776
JL777
JL778
JL779
JL780
JL781
JL782
JL783
JL784
JL785
JL786
16V
22
C764
3.3
R708
3.3
R707
100
R773
6.8k
R796
1
2
3
4
5
25V
100
C784
10k
R809
100k
R807
10k
R810
47k
R81
1
1SS367-T3SONY
D712
MIC AMP
IC705
DISPLAY BOARD
14P
CN720
6P
CNP718
4P
CN713
6P
CN706
Q709, 710
LED DRIVE
LED DRIVE
Q701, 711
MUTING CONTROL SWITCH
Q712, 714
VC
VIN
GND
VOUT
ADJ
Q705, 706
OSC
2
1
2
3
1
3
FLUORESCENT INDICATOR TUBE
FUNC_1
VOL_1
R2_GND
NC
CN723
R2
MIC_MUTE
VOL_2
RN_GND
FUNC_2
15P
TONE_1
POW_SW_DET
LED_STB
TONE_2
TUNE_1
TUNE_2
7
11
D
B
16
6
9
17
10
F
5
15
3
G
1
12
C
E
H
8
4
13
A
14
2
I
2SC3052EF-T1-LEF
Q713
MUTING
TONE +/-2
TONE +/-1
TUNE +/-2
TUNE +/-1
ADGND
AD3
GND
NC
GND
AD-GND
MIC OUT
+7V
1
4
5
6
2
3
NC
GND
GND
L
1
4
2
3
+3.3V
NC
GND
LED_RED
LED_GREEN
PWR_SW
1
4
5
6
2
3
AD1
NC
+12V_GND
STBY GND
ADGND
FL_GND
AD2
AD3
SIRCS
FL_BK
STBY +3.3V
FL_LAT
FL_CLK
FL_DATA
1
4
5
6
2
3
7
8
9
10
11
12
13
14
NJL24H400A
IC701
IC701
REMOTE CONTROL
RECEIVER
16V
22
C763
MEMORY/ENTER
S708
DIMMER
S705
A.DIRECT
2CH/
S704
A.F.D.
S703
MOVIE
S702
MUSIC
S701
INPUT MODE
S712
DISPLAY
S711
S715
INPUT SELECTOR
ROTARY ENCODER
IC708
SI-3010KM-TLS
IC708
+12V REGULATOR
C713
200V
3900p
S722
ROTARY
ENCODER
MASTER
VOLUME
VOLUME
5
6
4
1
3
8
9
7
2
10
11
12
13
14
15
MAZ8062GMLS0
D708
T701
DC/DC
CONVERTER
25V
22
C785
(Page 37)
(Page 43)
(Page 47)
(Page 43)
(Page 43)
(Page 43)
(Page 37)
STR-DG820
STR-DG820
40
40
16
9
8
1
1
24
13
12
R211
R212
R213
R214
R215
R221
R222
R223
R224
R225
R226
R227
R228
R229
C201
C202
R242
C215
C217
C232
C233
R276
R277
R278
D210
D211
IC210
IC220
1
2
7 6
1
4
1
3
1
3
C203
C204
C211
C212
C213
C221
C222
C223
C224
C225
C226
C227
C228
C229
CNS271
C240
C242
JW200
JW202
JW203
JW204
JW205
JW206
JW207
JW208
JW210
JW211
JW212
JW213
JW214
JW21
JW216
JW217
JW219
JW221
JW222
JW224
JW225
JW226
JW227
JW229
IC201
IC202
JW231
JW232
JW233
JW235
CNP203
J210
J211
J220
J221
CNP240
CNP242
VIDEO BOARD
AB
DIGITAL
AUDIO
BOARD
CN2227
MICOM
BOARD
CN7010
AC
VIDEO IN
VIDEO IN
SAT
DVD
VIDEO OUT
VIDEO IN
VIDEO OUT
VIDEO 1
MONITOR
SAT IN
DVD IN
VIDEO 1 IN
COMPONENT VIDEO
MONITOR OUT
P
B
/C
B
P
R
/C
R
Y
P
B
/C
B
P
R
/C
R
Y
P
B
/C
B
P
R
/C
R
Y
P
B
/C
B
P
R
/C
R
Y
COMPONENT
VIDEO
(CHASSIS)
(CHASSIS)
1
2
3
2
1
3
(CHASSIS)
1-875-590-
12, 21
(12, 21)
A
B
C
D
1
2
3
4
5
6
MAIN BOARD
CN500
G
FRONT V2
BOARD
CN725
AP
6-26. PRINTED WIRING BOARD - VIDEO Board -
•
: Uses unleaded solder.
• See page 19 for Circuit Boards Location.
(Page 33)
(Page 36)
(Page 42)
(Page 20)
Ref. No. Location
D210
D210
C-2
D211
C-2
IC201
C-3
IC202
C-4
IC210
C-3
IC220
D-5
• Semiconductor
Location
Click on the first or last page to see other STR-DG820 service manuals if exist.