Read Sony SRS-DB500 (serv.man2) Service Manual online
SRS-DB500
SRS-DB500
5
5
2-3. SCHEMATIC DIAGRAM - AMP Board (2/3) -
B
POWER
BOARD
CN906
BOARD
AMP
(3/3)
4
BOARD
AMP
(3/3)
5
AMP
1
(1/3)
BOARD
C
TERMINAL
BOARD
CN602
D
POWER
BOARD
CN904
11.9
25.1
14
28
28
28
14
28
25.1
25.1
14
14
28
28
25.1
11.9
11.9
3.3
3.3
1.7
1.7
3.3
1.1
3.3
1.7
1.7
3.3
11.9
12
13.9
0
13.9
13.9
0
13.9
13.9
0
13.9
13.9
0
13.9
13.9
0
13.9
13.9
0
13.9
11.9
25.1
14
28
28
28
14
28
25.1
25.1
14
14
28
28
25.1
11.9
11.9
3.3
3.3
1.7
1.7
3.3
1.1
3.3
1.7
1.7
3.3
11.9
12
3.3
0
44
38
39
40
41
42
43
7
6
5
4
3
2
1
37
36
35
34
33
32
8
9
10
11
28
29
30
31
17
16
15
14
13
12
27
26
25
24
23
22
21
20
19
18
GVDD_B
/OTW
NC
NC
/SD
PWM_A
RESET_A
PWM_B
OC_ADJ
GND
AGND
VREG
M3
M2
M1
PWM_C
/RESET_C
PWM_D
NC
NC
VDD
GVDD_C
44
38
39
40
41
42
43
7
6
5
4
3
2
1
37
36
35
34
33
32
8
9
10
11
28
29
30
31
17
16
15
14
13
12
27
26
25
24
23
22
21
20
19
18
GVDD_B
/OTW
NC
NC
/SD
PWM_A
/RESET_A
PWM_B
OC_ADJ
GND
AGND
VREG
M3
M2
M1
PWM_C
/RESET_C
PWM_D
NC
NC
VDD
GVDD_C
0.1
C582
0.1
C551
0.1
C552
0.1
C553
0.1
C554
0.1
C555
0.1
C532
0.1
C501
0.1
C502
0.1
C503
0.1
C504
0.1
C505
0.1
C577
0.1
C576
0.1
C573
0.1
C572
C569
0.1
C563
0.1
0.1
C527
0.1
C526
0.1
C523
0.1
C522
C519
0.1
C513
0.1
C518
0.1
C512
0.1
1000p
C571
1000p
C565
1000p
C521
1000p
C515
1000p
C520
4700p
C557
4.7
R556
4.7
R506
10
R554
10
R555
10
R551
10
R558
10
R508
10
R501
10
R505
10
R504
22k
R553
22k
R503
10uH
L551
10uH
L552
10uH
L501
10uH
L502
RSA39LTE25
D554
RSA39LTE25
D553
RSA39LTE25
D552
RSA39LTE25
D551
RSA39LTE25
D504
RSA39LTE25
D503
RSA39LTE25
D502
RSA39LTE25
D501
4700p
C508
4700p
C507
100
R453
100
R454
CL501
1000p
C514
CL551
4700p
C558
0.033
C506
0.033
C524
0.033
C525
0.033
C531
0.033
C556
0.033
C574
0.033
C575
0.033
C581
CL503
CL504
CL506
CL507
CL700
CL554
CL502
CL351
CL508
CL491
4.7
C584
100k
R562
100k
R563
100k
R564
100k
R565
2SC3052EF-T1-LEF
Q551
ISA1235AC1TP-1EF
Q552
ISA1235AC1TP-1EF
Q553
ISA1235AC1TP-1EF
Q501
ISA1235AC1TP-1EF
Q502
ISA1235AC1TP-1EF
Q503
ISA1235AC1TP-1EF
Q504
4.7
C534
100k
R510
100k
R511
100k
R513
100k
R514
100k
R515
100k
R512
4.7
C533
0.1
C540
100k
R561
CL505
1
2
2P
CN553
35V
100
C588
35V
100
C589
35V
100
C590
35V
100
C591
16V
47
C592
16V
47
C535
35V
100
C536
35V
100
C537
35V
100
C538
35V
100
C539
CL555
CL556
CL557
CL558
CL559
CL511
CL512
CL513
CL514
CL515
CL472
1
C510
1
C516
1
C511
1
C517
1
C561
1
C567
35V
1000
C580
35V
1000
C559
35V
1000
C530
35V
1000
C509
CL705
CL706
C585
2200p
C593
2200p
C594
2200p
C595
2200p
C541
2200p
C542
2200p
C543
2200p
C544
2200p
C545
2200p
C546
2200p
C547
2200p
C548
2200p
R516
3.3
R517
3.3
R518
3.3
R519
3.3
R568
3.3
R569
3.3
16V
220
C706
E
ET501
E
ET502
E
ET504
E
ET505
E
ET506
0.1
C583
0.01
C586
0.01
C587
CL560
100
R570
R567
3.3
1000p
C570
1
C566
C597
2200p
C568
0.1
C598
2200p
1
C560
1000p
C564
C562
0.1
C599
2200p
R566
3.3
C596
2200p
CL691
1
8
3
4
5
6
7
CN591
9P
6.8k
R572
47k
R571
CL509
100k
R573
100
R401
100
R402
100
R403
100
R404
1
2
3
4
CN551
4P
GND
GND
28V
28V
1
2
3
4
4P
CN592
L+
L-
R+
R-
100p
C729
100p
C730
100
R451
100
R452
1000p
C741
1000p
C731
1000p
C732
0.01
C610
1000p
C750
L503
10uH
DC_DETECT
SM_OTW
SM_SD
SM_RESET
P_CON2
P_CON1
(CHASSIS)
SP1
DC DETECT
Q552, 553
OVER LOAD DETECT
OVER LOAD DETECT
Q503, 504
OVER LOAD DETECT
Q501, 502
GVDD_D
BST_D
NC
PVDD_D
PVDD_D
OUT_D
GND_D
GND_C
OUT_C
PVDD_C
BST_C
BST_B
PVDD_B
OUT_B
GND_B
GND_A
OUT_A
PVDD_A
PVDD_A
NC
BST_A
GVDD_A
CXD9965TN
IC551
IC551
DIGITAL POWER AMP
CXD9965TN
IC501
IC501
DIGITAL POWER AMP
GVDD_D
BST_D
NC
PVDD_D
PVDD_D
OUT_D
GND_D
GND_C
OUT_C
PVDD_C
BST_C
BST_B
PVDD_B
OUT_B
GND_B
GND_A
OUT_A
PVDD_A
PVDD_A
NC
BST_A
GND_A
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
SW+
SW-
P_CON1
A+12V
P_CON2
2
NC
AGND
DGND
E+4V
D+3.3V
12V
SW+
1
2
8
4
5
7
9
10
3
6
(2/3)
AMP BOARD
J
4
B
16
6
9
11
D
15
H
10
K
3
5
12
C
F
1
E
8
G
14
A
2
13
I
7
(SUBWOOFER)
Refer to page
21 on original
21 on original
service manual
Refer to page
21 on original
21 on original
service manual
Note: When the complete AMP board are replaced, spread the compound referring to “NOTE OF REPLACING THE IC501 AND
IC551 ON THE AMP BOARD AND THE COMPLETE AMP BOARD” on servicing notes (page 3 on original service manual).
(Page 6)
(Page 6)
(Page 4)
(Page 3)
Click on the first or last page to see other SRS-DB500 (serv.man2) service manuals if exist.