Read Sony HBD-E280 / HBD-T28 Service Manual online
HBD-E280/T28
2
2. DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
• 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.
•
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.
•
B : B– Line.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TUNER
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
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