Read Sony ICD-B100 / ICD-B200 Service Manual online
10
ICD-B100/B200
SECTION 4
DIAGRAMS
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
• 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.
•
C
: panel designation.
•
A
: B+ Line.
• 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 : 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
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.
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.
• Waverforms
– AUDIO board –
– AUDIO board –
0.8 Vp-p
4.096 MHz
1
IC101
ta
(XOUT)
0.5 V/DIV, 0.1
µ
sec/DIV
– MAIN board –
1
IC704
1
(32KOUT)
2.2 Vp-p
1.2 Vp-p
3.2 Vp-p
5 MHz
32.768 kHz
32.768 kHz
2
IC704
8
(OSCOUT)
1.0 V/DIV, 10
µ
sec/DIV
3
IC703
ul
(X2)
0.5 V/DIV, 10
µ
sec/DIV
1.0 V/DIV, 0.2
µ
sec/DIV
Click on the first or last page to see other ICD-B100 / ICD-B200 service manuals if exist.