77
STR-KSL50
SECTION 3
DIAGRAMS
• Circuit Boards Location
DIGITAL board
MAIN board
DISPLAY board
POWER SW board
STANDBY board
For schematic diagrams.
Note:
• 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.
•%: indicates tolerance.
•
f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
•Voltages 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 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F : ANALOG
J : DIGITAL
c : DVD
•Abbrevation
MY : Malaysia model.
SP : Singapore model.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
CE
For printed wiring boards.
Note:
• X : parts extracted from the component side.
•
a
: Through hole.
• : Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side B) the parts face are indicated.
• Waveforms
– DIGITAL Board –
1 IC1201 qs (MCLK2) 2 IC1101 wa (XOUT) 3 IC1601 id (X1)
1V/DIV, 40ns/DIV 1V/DIV, 40ns/DIV 1V/DIV, 40ns/DIV
4.1 Vp-p
74 ns
3.4 Vp-p
62.4 ns
81.3 ns
4.3 Vp-p
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
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