Read Sony ICD-B16 / ICD-B26 Service Manual online
ICD-B16/B26
10
10
• Waveforms
1
IC101
ta
(XOUT)
0.5V/div 0.1µsec/div
3.98MHz
2
IC704
1
(32KOUT)
1.0V/div 10µsec/div
32.768kHz
3
IC704
8
(OSCOUT)
0.5V/div 10µsec/div
4
IC703
ul
(X2)
1.0V/div 0.2µsec/div
32.768kHz
5MHz
1.0Vp-p
2.2Vp-p
1.2Vp-p
3.2Vp-p
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
Common Note on Schematic Diagrams:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
• C : panel designation.
• A : B+ Line.
• Power voltage is dc 3V and fed with regulated dc power
• Power voltage is dc 3V and fed with regulated dc power
supply from battery terminal.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : PB
(
no mark : PB
(
) : REC
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
E
: PB
a
: REC
Common Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
f
: internal component.
•
z
: Through hole.
•
: Pattern from the side which enables seeing.
Lead layout of conventional IC
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(SIDE B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(SIDE A)
the parts face are indicated.
• Lead Layouts
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