DOWNLOAD Sony MDX-C7970 / MDX-C7970R / MDX-C8970 Service Manual ↓ Size: 5.53 MB | Pages: 74 in PDF or view online for FREE

Model
MDX-C7970 MDX-C7970R MDX-C8970
Pages
74
Size
5.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
mdx-c7970-mdx-c7970r-mdx-c8970.pdf
Date
PREV: Sony XS-V1650G Service Manual

Sony MDX-C7970 / MDX-C7970R / MDX-C8970 Service Manual ▷ View online

MDX-C7970/C7970R
– 53 –
– 54 –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
) : AM (MW)
[
] :  LW
〈〈
 
〉〉
: MD PLAY
4-16.
SCHEMATIC  DIAGRAM  – MAIN Board (4/4) –
•
 See page 66 for IC Block Diagrams.
(Page 52)
(Page 48)
(Page 49)
(Page 61)
MDX-C7970/C7970R
– 55 –
– 56 –
4-17.
PRINTED  WIRING  BOARD  – DISPLAY Board –
•
 See page 34 for Circuit Boards Location.
• Semiconductor
Location
(Component Side)
Ref. No.
Location
IC501
B-8
LED501
A-3
LED502
A-2
LED503
B-1
LED504
C-2
LED505
C-3
LED510
B-5
LED511
B-11
• Semiconductor
Location
(Conductor Side)
Ref. No.
Location
D501
C-13
D502
B-2
D503
C-12
D504
B-10
D505
B-10
D506
B-10
IC502
C-12
Q501
B-2
Q502
B-2
Q503
B-5
Q504
B-5
Q505
B-6
Q506
B-5
Q507
B-10
(Page 60)
MDX-C7970/C7970R
– 57 –
– 58 –
4-18.
SCHEMATIC  DIAGRAM  – DISPLAY Board –
•
 See page 68 for Waveform.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(Page
61)
MDX-C7970/C7970R
4-19.
PRINTED  WIRING  BOARD  – SUB Board –
•
 See page 34 for Circuit Boards Location.
– 59 –
– 60 –
(Page 45)
(Page 56)
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