Read Sony ICD-P110VTP Service Manual online
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ICD-P110VTP
ICD-P110VTP
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. (p: pF)
• All capacitors are in µF 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.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 3V and fed with regulated dc power
supply from external power voltage jack.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : REC
(
no mark : REC
(
) : PB
• 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.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
E
: PB
a
: REC
• For CSP (chip size package), it is impossible to measure
the voltage and waveforms since the package has a dif-
ferent outline from conventional IC’s.
ferent outline from conventional IC’s.
Common Note on Printed Wiring Boards:
• 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 layer’s patterns are not indicated.)
• Waverforms
– AUDIO board –
– AUDIO board –
– MAIN board –
•
Lead Layouts
front view
Lead layout of conventional IC
CSP (chip size package)
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.
*
A special tool is necessary to serve to IC702 used in this.
1
IC102
ta
4.096MHz OUT
1 Vp-p
0.5 V/DIV, 0.1
µ
s/DIV
2
IC704
qd
12MHz OUT
1
IC702
<z/,
4.096MHz OUT
1.2 Vp-p
0.5 V/DIV, 0.1
µ
s/DIV
0.5 V/DIV, 0.1
µ
s/DIV
1.2 Vp-p
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