STR-DG500, STR-DG600 - Sony Audio Service Manual (repair manual). Page 21

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STR-DG500/DG600
21
21
STR-DG500/DG600

for schematic diagram:
• All capacitors are in µF 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.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
• Abbreviation
CND : Canadian model.
E2
: 120 V AC area in E model.
AUS
: Australian model.
KR
: Korea model.
MY
: Malaysia model.
SP
: Singapore model.
TH
: Thai model.
TW
: Taiwan model.
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
• Abbreviation
CND : Canadian model.
E2
: 120 V AC area in E model.
AUS
: Australian model.
KR
: Korea model.
MY
: Malaysia model.
SP
: Singapore model.
TH
: Thai model.
TW
: Taiwan model.

Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
4-7. CIRCUIT BOARDS LOCATION
MAIN board
DISPLAY board
POWER board
ADCC board
HEADPHONE board
VIDEO3 board
OPT3 board
(DG600)
SB AMP board
(DG600)
SPEAKER B board
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
STANDBY board
SPEAKER C/SB board
S VIDEO UP CONVERT board
(DG600)
VIDEO board
XM board
(DG600: US, CND model)
DIGITAL board
SVIDEO board
(DG600)
AC SELECT board
(E2 model)
Ver. 1.1
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