Read Sony HT-K5 / STR-K5 Service Manual online
13
13
STR-K5
STR-K5
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
C
B
These are omitted.
E
Q
•
Circuit Boards Location
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.
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.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Note on Printed Wiring Board:
•
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:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
∗
: Impossible resistor.
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
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)
J
: CD (ANALOG)
c
: CD (DIGITAL)
•
Abbreviation
E51
E51
: Chilean and Peruvian models
MY
: Malaysia model
SP
: Singapore model
B
These are omitted.
C
E
Q
AC SELECT
board
board
(E51)
STANDBY board
MIC TONE board
MIC AMP board
DISPLAY board
VOLUME board
MAIN board
KARAOKE board
DIGITAL board
•
Abbreviation
E51
E51
: Chilean and Peruvian models
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