Sony STR-DB795 Service Manual ▷ View online
STR-DB795
42
42
STR-DB795
JW2001
JW2002
JW2003
JW2004
JW2005
JW2006
JW2007
JW2008
JW2009
JW2010
JW2011
JW2012
JW2013
JW2014
JW2015
JW2017
JW2018
JW2019
JW2020
JW2021
JW2022
JW2023
JW2024
JW2025
JW2026
JW2027
JW2028
JW2029
JW2030
JW2031
JW2032
JW2033
JW2034
JW2016
JW2035
JW2036
JW2037
JW2038
JW2039
JW2040
JW2041
JW2042
JW2043
JW2044
D2601
JW2056
JW2055
JW2053
JW2054
JW2052
JW2051
JW2050
JW2049
JW2048
JW2047
JW2046
JW2045
R2513
CN2003
C2509
Q2503
CN2004
C2501
C2601
Q2506
R2508
R2512
CN2101
Q2505
C2010
C2401
CN2201
CN2001
CN2301
Q2504
R2011
C2603
Q2602
R2414
R2515
CN2002
EB2001
C2408
R2510
D2603
Q2601
R2610
C2606
R2519
R2507
R2506
R2505
R2410
C2306
R2504
C2504
Q2501
C2301
R2501
R2503
R2502
C2505
R2516
C2502
R2511
C2009
R2413
CN2005
C2409
Q2403
Q2406
R2408
R2412
Q2405
C2506
Q2404
R2314
R2415
C2308
R2409
R2419
R2407
R2406
R2405
R2509
D2501
R2404
C2404
Q2401
C2201
R2401
R2403
R2402
C2405
R2416
C2402
R2411
C2510
R2313
C2309
Q2303
Q2306
Q2305
C2406
Q2304
R2214
R2315
C2208
R2309
R2319
R2306
R2305
D2401
R2304
C2304
Q2301
C2101
R2301
R2303
R2302
C2305
R2316
C2302
R2311
C2410
R2213
C2209
Q2203
Q2206
R2208
R2212
Q2205
C2206
Q2204
R2114
C2002
R2215
C2106
R2210
R2219
R2207
R2206
R2205
R2209
D2101
R2204
C2204
Q2201
C2108
R2201
R2203
R2202
C2205
R2216
C2202
R2211
C2310
R2113
C2109
Q2103
Q2106
R2108
R2112
Q2105
C2001
Q2104
R2014
R2115
C2008
R2110
R2119
R2107
R2106
R2105
R2109
D2001
R2104
C2104
Q2101
R2101
R2103
R2102
C2105
R2116
C2102
R2111
C2210
R2016
C2005
R2002
R2003
R2001
R2605
R2514
Q2001
C2004
R2004
R2005
R2006
R2007
R2019
R2010
R2009
R2015
R2603
Q2004
C2006
Q2005
R2008
Q2603
Q2006
R2607
C2107
C2307
C2007
R2602
CN2401
C2207
R2601
R2604
R2606
D2604
Q2003
R2013
C2602
D2201
C2407
C2507
C2110
C2508
R2012
C2605
R2308
R2312
R2307
D2301
R2310
A CLASS BOARD
1-688-630-
11
(16)
B
C
E
B
C
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
5
1
5
1
5
1
5
1
5
1
5
5
6
1
2
11
12
1
2
5
6
1
2
5
6
1
2
9
10
1
2
11
12
1
2
MAIN BOARD
CN421
31
MAIN BOARD
CN401
21
MAIN BOARD
CN601
18
MAIN BOARD
CN651
22
MAIN BOARD
CN501
19
MAIN BOARD
CN420
17
DC2 BOARD
CN951
36
SBL BOARD
CN2701
32
SBL BOARD
CN2703
34
A
B
C
D
1
2
3
4
5
6
7
8
9
E
(Page 38)
(Page 38)
(Page 38)
(Page 38)
(Page 38)
(Page 38)
(Page 50)
(Page 44)
(Page 44)
6-25. PRINTED WIRING BOARD – A CLASS Section –
:Uses unleaded solder.
•
See page 23 for Circuit Boards Location.
Q2401
C-8
Q2403
C-7
Q2404
D-8
Q2405
D-8
Q2406
D-7
Q2501
C-9
Q2503
C-8
Q2504
D-9
Q2505
D-9
Q2506
D-8
Q2601
C-1
Q2602
C-2
Q2603
D-1
Q2101
C-4
Q2103
C-4
Q2104
D-4
Q2105
D-4
Q2106
D-4
Q2201
C-5
Q2203
C-5
Q2204
D-5
Q2205
D-5
Q2206
D-5
Q2301
C-7
Q2303
C-6
Q2304
D-7
Q2305
D-7
Q2306
D-6
D2001
C-2
D2101
C-4
D2201
C-5
D2301
C-6
D2401
C-7
D2501
C-8
D2601
D-1
D2603
C-1
D2604
C-2
Q2001
C-3
Q2003
C-3
Q2004
D-3
Q2005
D-3
Q2006
D-3
•
Semiconductor Location
Ref. No. Location
Ref. No. Location
Ref. No. Location
STR-DB795
43
43
STR-DB795
6-26. SCHEMATIC DIAGRAM – A CLASS Section –
R2610
CN2004
R2015
R2013
R2014
D2001
R2012
R2007
R2006
R2011
R2002
C2001
R2003
C2010
R2001
R2115
R2112
R2109
R2110
R2108
R2107
R2103
R2104
R2111
C2106
R2008
R2019
R2016
R2116
C2108
R2119
C2009
R2101
C2101
C2008
R2216
R2215
D2201
R2212
C2206
R2209
R2207
R2202
C2201
R2203
R2201
C2006
R2208
R2210
C2210
R2315
R2312
C2306
R2309
R2307
R2308
R2303
R2301
R2302
C2110
CN2002
C2301
CN2401
R2415
D2401
R2412
R2419
R2402
C2401
R2409
R2411
C2406
R2414
R2413
R2406
R2407
R2408
R2511
R2515
D2501
R2512
R2509
Q2504
R2513
R2514
C2506
R2506
R2508
R2507
R2502
C2501
R2503
R2504
R2510
C2510
R2519
C2508
R2516
C2109
C2308
R2319
R2316
R2102
R2401
C2310
CN2005
CN2101
CN2201
CN2301
Q2603
R2607
R2605
R2606
D2603
Q2601
CN2001
CN2003
R2214
R2213
C2409
R2314
R2313
R2501
D2604
C2509
C2209
C2309
R2310
C2208
R2219
R2009
C2005
C2004
C2105
C2104
C2205
C2204
C2305
C2304
C2405
C2404
C2505
C2504
R2604
C2603
C2601
R2601
R2603
C2602
Q2602
Q2501
Q2506
Q2301
R2306
Q2303
Q2305
Q2304
Q2306
Q2401
Q2404
Q2405
Q2406
Q2403
R2206
Q2203
Q2201
Q2204
Q2205
D2101
Q2106
Q2104
Q2105
R2113
R2114
Q2101
R2106
Q2103
Q2206
Q2004
Q2005
Q2006
Q2003
Q2001
R2010
R2005
R2211
R2205
R2405
R2305
R2105
R2204
C2207
C2007
C2107
C2307
R2311
C2507
C2407
Q2505
R2505
Q2503
D2301
R2404
C2410
C2408
R2416
C2606
C2605
R2403
R2004
R2304
R2602
R2410
C2002
C2302
C2202
C2102
C2402
C2502
D2601
10k
6P
120
470
120
MTZJ5.6B
100k
560
1.2k
100k
56k
220p
330
2200p
100V
1k
120
100k
2.2k
56k
3.3k
560
330
1.2k
100k
4p
500V
3.3k
150
33k
33k
220p
100V
100V
150
2200p
100V
1k
220p
220p
100V
33k
120
MTZJ5.6B
100k
4p
500V
2.2k
560
56k
220p
330
1k
4p
500V
3.3k
56k
2200p
100V
120
100k
4p
500V
2.2k
560
3.3k
330
1k
56k
2200p
100V
6P
220p
12P
120
MTZJ5.6B
100k
150
56k
220p
2.2k
100k
4p
500V
120
470
1.2k
560
3.3k
100k
120
MTZJ5.6B
100k
2.2k
2SA992
470
120
4p
500V
1.2k
3.3k
560
56k
220p
330
1.2k
56k
2200p
100V
150
220p
100V
100V
33k
2200p
100V
220p
100V
100V
150
33k
56k
1k
2200p
100V
4P
12P
6P
10P
2SC1841
150k
470
470
1SS133
2SD2396
6P
6P
120
470
2200p
100V
120
470
1k
1SS133
2200p
100V
2200p
100V
2200p
100V
56k
220p
100V
100V
150
2.2k
330
25V
25V
220
16V
16V
330
25V
25V
220
16V
16V
330
25V
25V
220
16V
16V
330
25V
25V
220
16V
16V
330
25V
25V
220
16V
16V
330
25V
25V
220
16V
16V
1
4.7
100V
47
100V
4.7k
1W
1
47
100V
2SB1565
2SC5169
2SC2229
2SC5169
1.2k
2SC1740
2SA949
2SA992
2SC2229
2SC5169
2SA992
2SA949
2SC2229
2SC1740
1.2k
2SC1740
2SC5169
2SA992
2SA949
MTZJ5.6B
2SC2229
2SA992
2SA949
470
120
2SC5169
1.2k
2SC1740
2SC2229
2SA992
2SA949
2SC2229
2SC1740
2SC5169
56k
4.7k
100k
4.7k
4.7k
4.7k
4.7k
1.2k
33p
500V
33p 500V
33p
500V
33p
500V
100k
33p 500V
33p 500V
2SA949
4.7k
2SC1740
MTZJ5.6B
1.2k
2200p
100V
220p
100V
33k
22
100V
22
100V
330
1.2k
1.2k
4.7k
1/2W
1/2W
56k
47
63V
47
63V
47
63V
47
63V
47
63V
47
63V
MTZJ15C
L1
L2
L3
L4
L
1
L
2
L
3
L
4
L7
L8
L
5
L
6
L7
L8
L9
L
9
L10
L
1
0
M1
M2
M3
M4
M
1
M
2
M
3
M
4
L5
L6
GND
+B
-B
GND
LIMITER
GND
BIAS+
BIAS-
NF
BIAS+
BIAS-
NF
GND
R
L
GND
BIAS+
BIAS-
NF
GND
C
GND
BIAS+
BIAS-
NF
SR
BIAS+
BIAS-
NF
GND
SL
GND
+15V
-15V
GND
+15V
-15V
GND
BIAS+
BIAS-
NF
GND
GND
SHORT
SBL
GND
SHORT
GND
SBL
GND
GND
GND
GND
+BA
-BA
SWITCH
LIMITER
LIMITER SWITCH
SWITCH
LIMITER
PRE
DRIVE
PRE DRIVE
3
1
2
4
5
BIAS
BIAS
BIAS
PRE
DRIVE
5
4
2
1
3
PRE DRIVE
BIAS
BIAS
BIAS
PRE
DRIVE
PRE DRIVE
3
1
2
4
5
BIAS
BIAS
BIAS
PRE
DRIVE
5
4
2
1
3
PRE DRIVE
BIAS
BIAS
BIAS
PRE
DRIVE
5
4
2
1
3
PRE DRIVE
BIAS
BIAS
BIAS
PRE
DRIVE
5
4
2
1
3
PRE DRIVE
BIAS
BIAS
BIAS
SB(R)
(Page 45)
(Page 41)
(Page 41)
(Page 41)
(Page 41)
(Page 41)
(Page 45)
(Page 51)
(Page 39)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
STR-DB795
44
44
STR-DB795
JW701
JW702
JW704
JW705
JW706
JW707
JW703
C2707
CN2702
R2710
C2706
Q2704
Q734
EB2702
R713
CN732
R2715
C2808
C2807
CN2701
EB2701
R2708
R737
R2712
R2706
C2705
Q703
Q702
R2716
C2708
Q2706
R712
R2714
C2701
R2703
Q731
R2718
R2711
D2701
R735
Q2705
Q2703
R736
CN2703
R2713
R2702
R2701
R2704
R2705
R714
Q2701
C2704
R2709
C732
R732
R2707
Q733
R731
R2719
C2702
RV734
R2717
C731
SBL BOARD
1-688-635-
11
(16)
A CLASS BOARD
CN2005
34
A CLASS BOARD
CN2004
32
B
C
E
B
C
E
E
E
E
E
E
E
1
3
1
2
2
FOR
ADJUSTMENT
MAIN BOARD
CN416
27
MAIN BOARD
CN423
20
1
5
A
B
C
D
1
2
3
4
5
E
(Page 42)
(Page 42)
(Page 38)
(Page 38)
6-27. PRINTED WIRING BOARD – SBL Section –
:Uses unleaded solder.
•
See page 23 for Circuit Boards Location.
D2701
B-3
Q702
C-3
Q703
C-4
Q731
D-3
Q733
B-2
Q734
C-3
Q2701
B-4
Q2703
B-3
Q2704
B-3
Q2705
B-3
Q2706
B-2
•
Semiconductor
Location
Location
Ref. No. Location
STR-DB795
45
45
STR-DB795
6-28. SCHEMATIC DIAGRAM – SBL Section –
R2706
CN2701
R2704
R2703
R2705
R2711
R2701
R2708
R2707
R2715
D2701
R2712
R2716
C2708
R2719
R2709
R2710
CN2702
CN732
R737
Q733
R735
R736
C732
R713
R712
CN2703
R2714
R2713
C2705
C2707
C2706
Q2706
Q2704
Q2705
R714
C731
Q703
C2704
Q2701
Q2703
Q702
C2701
R2702
R2717
R2718
Q734
C2702
C2808
C2807
Q731
R732
RV731
R731
1.2k
6P
1.2k
330
4.7k
100k
1k
3.3k
560
120
MTZJ5.6B
100k
33k
220p
100V
100V
150
2.2k
56k
3P
2P
1.8k
2SA988
6.2k
4.7k
220p
100
100
4P
120
470
330
25V
25V
33p
500V
4p
500V
2SC2229
2SA992
2SA949
0.22X2
5W
47
16V
MP1620
220
16V
16V
2SC5169
2SC1740
MN2488
220p
56k
2SA1115
47
63V
0.0022
100V
0.0022
100V
2SC3623
2.2k
220
470
GND
SHORT
+BA
-BA
GND
+B
-B
SBL
SBL
1
2
4
3
5
BIAS
BIAS
BIAS
BIAS
BOOSTER
BOOSTER
CURRENT
DETECT
(FOR ADJUSTMENT)
PRE DRIVE
PRE DRIVE
BIAS
(Page 43)
(Page 43)
(Page 40)
(Page 41)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Click on the first or last page to see other STR-DB795 service manuals if exist.