Sony STR-DB795 Service Manual ▷ View online
STR-DB795
30
30
STR-DB795
JW302
JW303
JW304
JW305
JW306
JW308
JW309
JW307
D302
C308
C307
C305
C304
D301
IC301
C303
CN301
C302
C301
R307
R306
R305
R304
R303
R302
R301
C310
C309
C306
C313
C311
C315
JW201
JW207
JW208
JW209
JW213
JW214
JW216
JW217
JW206
JW219
JW203
JW204
JW220
JW205
JW215
JW210
JW218
C214
C201
R208
R202
R256
R206
C215
R255
R205
R201
R252
R251
R203
C212
R204
R254
C211
R207
R211
R253
IC201
CN202
CN201
C213
JW301
1-688-645-
11
(15)
VIDEO BOARD
1
8
16
9
MAIN BOARD
CN407
J302
MONITOR OUT
VIDEO 1 IN
(CHASSIS)
VIDEO 1 OUT
(CHASSIS)
VIDEO 2 IN
VIDEO 2 OUT
DVD IN
(CHASSIS)
TV/SAT IN
J304
VIDEO
J305
1-688-647-
11
(15)
VIDEO-AU BOARD
3
1
HP-V3
BOARD
CN1091
8
15
28
14
1
9
7
MAIN BOARD
CN406
(CHASSIS)
VIDEO 1 IN
R
L
VIDEO 1 OUT
R
L
VIDEO 2 IN
R
L
VIDEO 2 OUT
R
L
(CHASSIS)
DVD IN
R
L
TV/SAT IN
R
L
J202
J201
VIDEO
AUDIO
A
B
C
D
E
1
2
3
4
5
6
7
8
(Page 38)
(Page 38)
(Page 32)
6-13. PRINTED WIRING BOARDS – VIDEO Section –
:Uses unleaded solder.
•
See page 23 for Circuit Boards Location.
STR-DB795
31
31
STR-DB795
D301
C311
IC301
C313
R305
R303
R301
C308
C307
R306
R307
C309
C310
C306
R304
C305
R302
C301
C303
J304
J305
J302
C304
C302
D302
CN301
C201
CN202
CN201
R256
R206
R255
R205
R254
R204
R253
R203
R252
R202
R211
R201
R251
J202
J201
C213
E302
E304
E305
C315
JW301
G2
G1
IC201
R207
R208
C212
C
214
C211
C215
JW217
JW201
1SS133T
0.1
NJM-2595D
10
50V
75
75
75
2200p
47p
75
75
10 50V
10 50V
10
50V
75
47p
75
47p
10 50V
3P
3P
1P
2200p
2200p
1SS133T
10P
2200p
3P
10P
1k
1k
2.2k
2.2k
1k
1k
2.2k
2.2k
1k
1k
1k
1k
1k
6P
6P
100p
0.1
TC9273-014
33
33
0.022
0.01
0.022
2200p
1K
1K
R1
R2
R3
R4
R5
R6
R7
R1
R2
R3
R4
R5
R6
R7
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
V-SW1
V-SW2
V-SW4
V-SW3
-5V
+5V
VIDEO3
GND
V-MONITOR
V-MONITOR OUT
(CHASSIS)
(CHASSIS)
(CHASSIS)
DATA
CLK
NC
NC
VIDEO-L
GND
VIDEO-R
+15V
-15V
FUN-LAT
TUNER-L
TUNER-R
V3 R
V3 GND
V3 L
VID
EO
3
CO
M
TV
/D
B
S
D
V
D
/LD
V2
O
U
T
VID
EO
2
V
1 O
UT
VID
E
O
1
CO
M
R
V
D
D
L
V
S
S
G
N
D
C
LK
LAT
D
AT
(CHASSIS)
(CHASSIS)
VIDEO SELECTOR
MONITOR OUT
VIDEO 1 IN
VIDEO 2 IN
VIDEO 1 OUT
VIDEO 2 OUT
DVD IN
TV/SAT IN
VIDEO
R
L
R
L
VIDEO 1 IN
VIDEO 2 IN
VIDEO 1 OUT
VIDEO 2 OUT
DVD IN
TV/SAT IN
R
L
R
L
R
L
R
L
VIDEO
AUDIO
SELECTOR
VIDEO
(Page 40)
(Page 33)
(Page 39)
6-14. SCHEMATIC DIAGRAM – VIDEO Section –
•
See page 55 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
STR-DB795
32
32
STR-DB795
R1093
R1096
R1095
R1094
C1096
R1092
C1081
CN1081
EP1086
CN1091
EP1091
J1091
J1086
R1081
IC1081
EB1081
J1092
C1098
C1088
C1097
C1089
JW855
JW856
JW857
JW858
JW860
JW861
JW862
JW864
JW865
JW866
JW867
JW868
JW869
JW870
JW871
JW872
JW874
JW876
JW877
JW879
JW880
JW881
JW882
JW883
JW884
JW885
JW886
JW887
JW888
JW889
JW873
JW878
JW875
JW863
JW891
JW892
JW893
C878
C879
C890
D852
D853
IC852
Q850
Q851
R864
R865
R866
R867
C877
JW899
JW895
JW894
JW859
JW900
JW897
JW898
RY850
C867
C851
R860
R861
C871
C861
C869
C863
D850
C852
R862
C862
R859
R858
R857
R856
R855
R854
IC851
CN853
CN851
R863
CN854
C872
C873
C870
C864
C854
C850
C853
D851
C855
C856
C857
C858
C859
C860
IC850
JW890
C2376
D2394
CN1111
1-688-643-
11
(15)
PHONES
(CHASSIS)
C
Y
S-VIDEO
VIDEO
L
R
AUDIO
VIDEO 3
INPUT
DIGITAL
OPTICAL
3
1
(CHASSIS)
1
5
10
1
MAIN
BOARD
CN417
11
VIDEO-AU
BOARD
CN201
8
DISPLAY
BOARD
CN1080
10
HP-V3
BOARD
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
E
E
1-863-047-
11
(11)
C
Y
J851
J2305
C
Y
C
Y
C
Y
C
Y
J852
J850
VIDEO
S-VIDEO
MONITOR
OUT
S-VIDEO
VIDEO 1
IN
S-VIDEO
VIDEO 1
OUT
S-VIDEO
DVD
IN
S-VIDEO
TV/SAT
IN
CONTROL A1
-1 -2
COMP-V BOARD
CN351
13
DIGITAL BOARD
CN1111
51
4
1
1
3
S-VIDEO
BOARD
BOARD
5
1
1
8
16
9
1
8
16
9
MAIN BOARD
CN408
12
(Page 38)
(Page 30)
(Page 48)
(Page 38)
(Page 25)
(Page 34)
D850
E-7
D851
E-7
D852
B-8
D853
C-6
IC850
C-7
IC851
D-7
IC852
E-6
IC1081
A-5
Q850
B-6
Q851
C-6
•
Semiconductor
Location
Location
Ref. No. Location
6-15. PRINTED WIRING BOARDS – S-VIDEO Section –
:Uses unleaded solder.
•
See page 23 for Circuit Boards Location.
STR-DB795
33
33
STR-DB795
C870
R858
R859
C857
C853
C852
R854
R855
R856
R857
C859
C856
C855
C858
R861
R860
C854
C860
R863
C850
C851
R862
C867
C872
C863
C869
D851
D850
IC850
CN853
CN854
CN1081
CN1091
R1081
J1092
R1092
R1093
C1098
EP1086
EP1091
IC1081
C1081
R1096
R1095
R1094
C1097
J1091
J851
J852
J850
D852
D853
R867
R866
Q850
Q851
RY850
C877
C878
IC852
R864
C879
R865
C861
C862
IC851
J1086
CN851
C864
C890
C2376
CN1111
J2305
C873
C871
C1088
C1089
C1096
10 50V
75
75
0.1
47p
47p
75
75
75
75
10
50V
0.1
0.1
10
50V
75
75
2200p
10
50V
75
47p
47p
75
0.1
0.1
0.1
0.1
1SS133
1SS133
NJM-2595D
4P
11P
5P
10P
100
1k
1k
2200p
GP1FM313RZ
0.1
75
75
75
2200p
3P
1SS133
1SS133
10K
2.2K
DTC144ESA
2SA1015
0.1
1000
6.3V
6.3V
LA7213
150K
1
50V
330
2200p
2200p
NJM-2595D
10P
0.1
100
10V
0.1
3P
47
16V
47
16V
0.1
0.1
0.1
VIDEO3(Y)
VIDEO3(C)
V-SW1
V-SW2
V-SW4
V-SW3
-5V
GND
+5V
VIDEO3
SW4
SW3
+5V
GND
-5V
V-MONI
V-MONI OUT
C-M.OUT
Y-M.OUT
V-M
C-M
Y-M
V-M.OUT
VIDEO3(V)
H.P R
GND
H.P L
H.P SW
GND
H.P SW
VCC(3.3V)
OPT GND
OPT OUT
V GND
(CHASSIS)
(CHASSIS)
C
Y
S-VIDEO
VIDEO
AUDIO
L
R
INPUT
VIDEO 3
DIGITAL
OPTICAL
VIDEO 3
INPUT
PHONES
V3 R
V3 GND
V3 L
VIDEO3(C)
VIDEO3(Y)
VIDEO3(V)
V GND
C
Y
S-VIDEO
MONITOR OUT
(CHASSIS)
C
Y
S-VIDEO
VIDEO 1 IN
S-VIDEO
VIDEO 1 OUT
C
Y
(CHASSIS)
(CHASSIS)
C
Y
S-VIDEO
S-VIDEO
C
Y
DVD IN
TV/SAT IN
VIDEO
C SWITCH
Y SWITCH
RELAY
DRIVE
RELAY
DRIVE
-1
-2
SYNC
COMPARATOR
IN
H
SY
N
C
G
N
D
VS
YN
C
V
C
C
DIGITAL OPTICAL RECEIVER
CTRL A1 GND
CTRL A1 GND
CTRL A1 SIGNAL
CONTROL A1
(Page 40)
(Page 49)
(Page 40)
(Page 31)
(Page 35)
(Page 29)
6-16. SCHEMATIC DIAGRAM – S-VIDEO Section –
•
See page 55 for IC Block Diagrams.
Click on the first or last page to see other STR-DB795 service manuals if exist.