Read Sony HT-DDW1500 / STR-K1500 Service Manual online
14
STR-K1500
SECTION 3
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
Note:
• 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
specified.
• %
: indicates tolerance.
• f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground un-
• B : B– Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
No mark : FM
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: ANALOG
c
: DIGITAL
I
: VIDEO
• Abbreviation
AR
: Argentina model
AUS
: Australian model.
E51
: Chilean and Peruvian models.
MX
: Mexican model.
SP
: Singapore model.
SP6
: Singapore and Malaysia models.
For Printed Wiring Boards.
Note:
• X : parts extracted from the component side.
•
Note:
• X : parts extracted from the component side.
•
a
: Through hole.
• f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
Caution:
Parts face side:
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
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.)
Note: The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
Ver. 1.2
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