CMT-GS10, CMT-GS30DAB, HCD-GS10, HCD-GS30DAB - Sony Audio Service Manual (repair manual). Page 19

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HCD-GS10/GS30DAB
HCD-GS10/GS30DAB
• Circuit Boards Location
• Waveforms
– BD90 Board –
– PANEL Board ––
– MAIN 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
1
  IC101 
ia
 (RFI)
       (CD PLAY mode)
1.3 Vp-p
200 mV/DIV, 500 ns/DIV
2
  IC101 
wf
 (XO)
       (CD PLAY mode)
59.1 ns
3.3 Vp-p
1 V/DIV, 20 ns/DIV

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.
•
B
: 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.
– BD90 BOARD –
No mark: CD PLAY
– Other Section –
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.)
SECTION  6
DIAGRAMS
B
These are omitted.
C
E
Q
C
B
These are omitted.
E
Q
MAIN board
DAB board (UK)
REG board
PANEL board
HP board
AUX board
KEY board
BD90 board
PT board 
AMP board
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.

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