Sony HCD-GS10, Service Manual

Page: 54 / 78

2
HCD-GS10/GS30DAB
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
• 5 : fusible resistor.
•
C
: panel designation.
• H : adjustment for repair.
•
A
: B+ Line.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
No mark: FM
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM)
f
: TUNER (AM)
J
: CD
d
: AUX
: AUDIO
• Abbreviation
AR : Argentine model
CND : Canadian model
E2 : 120V AC area in E model
E51 : Chilean and Peruvian models
MX : Mexican model
RU : Russian model
SP : Singapore model
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
• f : internal component.
• : Pattern from the side which enables seeing.
• Indication of transistor.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
B
These are omitted.
C E
Q
B
These are omitted.
C E
Q
DIAGRAMS
• Waveforms
– MAIN Board –
– PANEL Board ––
1
IC801
w;
(XOUT)
13.3
µ
s
1.5 Vp-p
500 mV/DIV, 4
µ
s/DIV
1
IC701
qd
(X0A/P90)
30.5
µ
s
2.2 Vp-p
500 mV/DIV, 10
µ
s/DIV
2
IC701
od
(X0)
180 ns
3.3 Vp-p
1 V/DIV, 100 ns/DIV
Ver. 1.3
Note:
The components identi-
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.