Sony STR-DB725 / STR-DB825 Service Manual ▷ View online
– 37 –
– 38 –
3-15. SCHEMATIC DIAGRAM – POWER AMP SECTION –
STR-DB725/DB825
(Page 25)
(Page 41)
(Page 41)
(Page 26)
(Page 31)
(Page 25)
(Page 17)
(Page
18)
(Page 25)
– 39 –
– 40 –
3-16. PRINTED WIRING BOARD – POWER AMP SECTION –
• See page 5 for Circuit Boards Location.
STR-DB725/DB825
(Page 27)
(Page 27)
(Page 27)
(Page 42)
(Page 42)
(Page 29)
(Page 27)
(Page 20)
(Page 19)
Ref. No.
Location
• Semiconductor
Location
D501
D-5
D502
D-4
D503
D-5
D504
D-5
D505
B-3
D506
A-3
D545
A-2
D546
D-2
D547
C-10
D548
C-10
D549
C-10
D551
D-10
D552
D-10
D553
D-10
D554
D-10
D555
B-3
D556
A-3
D601
D-7
D602
D-7
D603
D-7
D604
D-7
D608
A-10
D801
B-7
D802
C-8
D803
C-8
D804
C-8
D805
C-8
D806
A-9
D807
C-6
IC809
B-10
Q504
D-5
Q505
D-5
Q506
D-4
Q507
D-5
Q508
D-6
Q509
B-3
Q510
A-2
Q511
A-3
Q546
A-9
Q547
C-10
Q548
C-10
Q549
C-10
Q554
D-10
Q555
D-10
Q556
D-9
Q557
D-10
Q558
D-11
Q559
B-3
Q560
A-3
Q561
A-3
Q596
A-9
Q601
A-10
Q604
D-7
Q605
D-7
Q606
D-8
Q607
D-7
Q608
D-8
Q613
D-3
Q616
D-2
Q801
C-7
– 41 –
3-17. SCHEMATIC DIAGRAM – TRANS SECTION –
STR-DB725/DB825
(Page 38)
(Page 38)
(Page 26)
– 42 –
3-18. PRINTED WIRING BOARD – TRANS SECTION –
• See page 5 for Circuit Boards Location.
(Page 28)
(Page 40)
(Page 40)
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