Sony MDX-C8970R Service Manual ▷ View online
37
37
4.1 Vp-p
239 ns
1.7 Vp-p
231 ns
• Waveforms
– SERVO Board –
– SERVO Board –
1
IC302
@§
(TE) (MD PLAY)
2
IC302
#¢
(FE) (MD PLAY)
3
IC302
#•
(RF) (MD PLAY)
4
IC303
#¡
(CAPA+) (MD PLAY)
6
IC301
@∞
(LRCK) (MD PLAY)
7
IC301
@§
(XBCK) (MD PLAY)
8
IC501
#¡
(EXTAL) (MD PLAY)
Approx.
0.5 Vp-p
0.5 Vp-p
Approx.
0.3 Vp-p
0.3 Vp-p
5
IC303
#™
(CAPA–) (MD PLAY)
1.3 Vp-p
4.4 Vp-p
20 ns
4.4 Vp-p
40 ns
3.9 Vp-p
22.6
µ
s
4.4 Vp-p
180 ns
26.8 mVp-p
100 ns
– MAIN Board –
1
IC300
$¡
(XTLI38)
2
IC300
&∞
(BCK)
3
IC300
&§
(LRCK)
4
IC500
&¢
(X0A)
6
IC151
9
(OSCI)
9
IC701
*§
(EXTAL)
5
IC500
(™
(X0)
1.5 Vp-p
59 ns
4.4 Vp-p
354 ns
4.4 Vp-p
22.7
µ
s
2.5 Vp-p
30.5
µ
s
4.7 Vp-p
279 ns
2.2 Vp-p
98 ns
3.9 Vp-p
54.3 ns
– POWER Board –
1
Q833
5
to
8
(D)
2
Q883
4
(GATE)
3
IC801
@º
(XI1)
14.8 Vp-p
3.9
µ
s
11.6 Vp-p
3.9
µ
s
2.6 Vp-p
69.8 ns
– DISPLAY Board –
1
IC900
@º
(OSC-IN)
2
IC920
!™
(OSC-IN)
1.8 Vp-p
4.9
µ
s
1.4 Vp-p
5.8
µ
s
8
IC901
5
(OSC1)
7
IC951
$¶
(XT)
MDX-C8970R
38
38
5-17.
PRINTED WIRING BOARD – POWER Board –
•
See page 26 for Circuit Boards Location.
• Semiconductor
Location
(Component Side)
(Component Side)
Ref. No.
Location
D841
B-6
D871
C-8
D872
A-8
IC802
A-3
IC803
B-1
IC804
A-4
IC805
C-2
IC871
C-8
Q801
B-4
Q802
B-4
Q841
A-6
Q881
B-8
Q882
B-8
Q884
C-8
Q886
B-7
Q887
B-7
• Semiconductor
Location
(Conductor Side)
(Conductor Side)
Ref. No.
Location
D842
A-6
D891
C-4
D892
C-4
IC801
B-2
IC841
B-5
IC843
A-5
Q883
A-8
Q890
C-7
(Page 30)
MDX-C8970R
39
39
5-18.
SCHEMATIC DIAGRAM – POWER Board –
•
See page 37 for Waveforms.
•
See page 50 for IC Block Diagrams.
Note on Schematic Diagram:
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
(Page
35)
MDX-C8970R
40
40
5-19.
PRINTED WIRING BOARD – DISPLAY Board –
•
See page 26 for Circuit Boards Location.
• Semiconductor
Location
(Component Side)
(Component Side)
Ref. No.
Location
• Semiconductor
Location
(Conductor Side)
(Conductor Side)
IC910
C-4
LED900
C-4
LED901
B-4
LED902
A-3
LED903
A-2
LED904
C-2
LED905
C-2
LED906
B-2
LED907
B-2
LED971
A-5
LED972
B-5
LED973
C-12
LED974
C-5
LED975
A-12
LED976
B-12
D901
B-5
D902
B-4
D903
A-8
D905
B-8
D971
B-4
IC900
B-6
IC920
B-9
IC921
B-8
Q900
B-5
Q901
B-5
Q902
A-5
Q903
A-5
Q904
B-4
Q971
B-4
Q972
B-4
Ref. No.
Location
(Page 42)
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