Sony STR-DB725 / STR-DB825 Service Manual ▷ View online
– 13 –
– 14 –
STR-DB725/DB825
3-3. SCHEMATIC DIAGRAM – VIDEO INPUT SECTION –
• See page 43 for IC Block Diagrams.
(Page 21)
(Page 32)
(Page 17)
(Page 21)
– 15 –
– 16 –
STR-DB725/DB825
3-4. PRINTED WIRING BOARD – VIDEO INPUT SECTION –
• See page 5 for Circuit Boards Location.
(Page 30)
(Page 23)
(Page 23)
(Page 19)
– 17 –
– 18 –
STR-DB725/DB825
3-5. SCHEMATIC DIAGRAM – INPUT SECTION –
• See page 43 for IC Block Diagrams.
(Page 32)
(Page
14)
(Page
37)
(Page 31, 32)
(Page 33)
(Page
26)
(Page
25)
(Page
37)
(Page 22)
(Page 22)
(Page 21,
22)
– 19 –
– 20 –
STR-DB725/DB825
3-6. PRINTED WIRING BOARD – INPUT SECTION –
• See page 5 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location
D301
D-7
D401
F-8
D402
E-10
IC001
C-7
IC301
D-5
IC302
B-2
IC303
C-2
IC304
E-8
IC305
E-7
IC306
D-10
IC450
B-11
IC451
B-10
IC452
F-1
IC502
D-11
IC601
B-7
IC701
B-5
IC801
B-9
IC803
B-10
Q300
F-8
Q301
E-8
Q302
E-6
Q303
E-5
Q304
E-6
Q305
D-6
Q411
F-7
Q414
E-11
Q501
C-10
Q502
B-10
Q551
E-10
Q552
E-11
Q691
B-8
Q692
B-8
Q3008
D-6
(Page 15)
(Page 39)
(Page 27)
(Page 27)
(Page 40)
(Page 35)
(Page 24)
(Page 30)
(Page 30)
(Page
24)
(Page
24)
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