Sony XR-C5110R / XR-C5120R Service Manual ▷ View online
– 25 –
– 26 –
6-4.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM (MW/LW)
〈〈
〉〉
: TAPE PLAYBACK
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM (MW/LW)
L
: BUS AUDIO IN
E
: TAPE PLAYBACK
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC1
2
(OSC OUT)
2
IC51
5
(OSCI)
3
IC501
&¢
(XOA)
4
IC501
(£
(X1)
0.8 Vp-p
97 ns
3.3 Vp-p
230 ns
3.6 Vp-p
30.6
µ
s
5.8 Vp-p
272 ns
2.7 Vp-p
27
µ
s
– KEY Board –
1
IC901
^º
OSC
XR-C5110R/C5120R
– 27 –
– 28 –
6-5.
PRINTED WIRING BOARD – MAIN Board (Component Side) –
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D1
F-14
D61
G-9
D71
D-11
D81
E-3
D90
K-10
D91
K-9
D92
K-9
D93
K-9
D361
H-3
D441
A-12
D481
A-11
D501
H-8
D551
K-13
D552
K-13
D553
J-11
D554
K-12
D555
J-11
D556
J-12
D557
J-11
D558
J-11
D559
J-11
D561
K-13
D562
K-13
D571
C-5
D602
B-4
D603
B-5
D604
H-10
D605
C-5
D611
C-6
D612
C-7
D613
C-6
D614
C-6
D615
B-7
D616
B-8
D617
B-8
D618
B-8
D621
D-9
D622
E-8
D623
D-7
D624
D-7
D625
E-7
D631
J-2
D653
I-8
D661
D-5
D662
C-5
D701
F-2
D702
E-3
D703
F-3
D704
C-3
D705
B-3
D706
B-3
IC1
E-12
IC51
I-11
IC90
J-10
IC301
G-11
IC361
I-2
IC401
E-9
IC501
H-6
IC652
G-2
IC701
F-3
Q51
J-13
Q61
G-9
Q71
D-11
Q81
E-3
Q82
E-2
Q90
K-9
Q121
F-8
Q151
F-8
Q171
C-10
Q181
C-11
Q251
F-9
Q271
C-9
Q281
C-10
Q361
I-3
Q362
I-2
Q364
G-3
Q365
H-3
Q571
F-6
Q621
D-8
Q622
E-7
Q633
J-2
Q651
J-8
Q652
J-8
Q661
C-5
Q701
F-3
XR-C5110R/C5120R
– 29 –
– 30 –
• Semiconductor
Location
Ref. No.
Location
D362
H-2
D601
C-1
D651
F-2
D671
C-4
D672
E-2
D673
E-2
D674
D-4
IC611
A-9
IC671
E-2
Q631
J-2
6-6.
PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
(Page 36)
XR-C5110R/C5120R
– 31 –
– 32 –
6-7.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
•
See page 26 for Waveforms.
•
See page 39 for IC Block Diagrams.
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