DOWNLOAD Sony XR-C7220R Service Manual ↓ Size: 4.69 MB | Pages: 56 in PDF or view online for FREE

Model
XR-C7220R
Pages
56
Size
4.69 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xr-c7220r.pdf
Date
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Sony XR-C7220R Service Manual ▷ View online

XR-C7220R
– 43 –
– 44 –
6-11. SCHEMATIC  DIAGRAM  – MAIN Board (4/4) –
•
 See page 53 for IC Block Diagrams.
(Page
42)
(Page 38)
(Page 40)
(Page 50)
(Page 50)
(Page 50)
(Page 50)
XR-C7220R
– 45 –
– 46 –
6-12. PRINTED  WIRING  BOARD  – KEY Board –
• Semiconductor
Location
(Component Side)
Ref. No.
Location
IC901
C-4
LED900
C-4
LED901
A-4
LED902
A-2
LED903
A-2
LED904
C-2
LED905
C-2
LED906
B-2
LED907
B-2
D901
C-5
D903
B-10
IC900
B-9
Q900
B-11
Q901
B-11
Q902
B-10
Q903
B-10
• Semiconductor
Location
(Conductor Side)
Ref. No.
Location
(Page 49)
XR-C7220R
– 47 –
– 48 –
6-13. SCHEMATIC DIAGRAM  – KEY Board –
•
 See page 32 for Waveforms. 
(Page 50)
XR-C7220R
– 49 –
– 50 –
6-14. PRINTED WIRING BOARD  – SUB/INVERTER Board –
6-15. SCHEMATIC DIAGRAM  – SUB/INVERTER Board –
•
 See page 32 for Waveform. 
(Page 44)
(Page 44)
(Page 44)
(Page 44)
(Page 47)
(Page 36)
(Page 46)
(Page 35)
(Page 36)
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