Read Sony BDV-L600 / BDV-L800 / BDV-L800M / SA-WSL600 Service Manual online
SA-WSL600
SA-WSL600
9
9
• Waveforms
– AMP CTRL Board –
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : internal component.
•
5 : Fusible resistor.
•
C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with 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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
1
IC420
7 (Xout)
1 V/DIV, 20 ns/DIV
50 ns
1.6 Vp-p
2
IC570
qf (XFSOOUT)
2 V/DIV, 10 ns/DIV
21 ns
3.3 Vp-p
3
IC570
eh (XFSIIN)
2 V/DIV, 50 ns/DIV
81.5 ns
3.6 Vp-p
4
IC570
rk (XFSOIN)
2 V/DIV, 10 ns/DIV
21 ns
3.7 Vp-p
5
IC550
2 (A)
2 V/DIV, 10 ns/DIV
20 ns
3 Vp-p
Note: When complete AMP CTRL board is replaced, spread the com-
pound referring to “NOTE OF REPLACING THE IC580 AND
IC590 ON THE AMP CTRL BOARD AND THE COMPLETE
AMP CTRL BOARD” on servicing notes (page 3).
IC590 ON THE AMP CTRL BOARD AND THE COMPLETE
AMP CTRL BOARD” on servicing notes (page 3).
Note: When complete AMP CTRL board is replaced, spread the com-
pound referring to “NOTE OF REPLACING THE IC580 AND
IC590 ON THE AMP CTRL BOARD AND THE COMPLETE
AMP CTRL BOARD” on servicing notes (page 3).
IC590 ON THE AMP CTRL BOARD AND THE COMPLETE
AMP CTRL BOARD” on servicing notes (page 3).
Note: The components identifi ed by mark
0 or
dotted line with mark
0 are critical for safety.
Replace only with part number specifi ed.
Note: Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une piéce portant
le numéro spécifi é.
le numéro spécifi é.
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