Download SERVICE MANUAL

ICD-BX800
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
Note:
• X : Parts extracted from the component side.
•
f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Indication of transistor.
C
Q
These are omitted.
B E
• Lead layouts
Lead layout of conventional IC
ICD-BX800
– MAIN Board –
For Schematic Diagrams.
For Printed Wiring Boards.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
• Waveforms
surface
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.
•
f : Internal component.
• C : Panel designation.
1
IC4541 id (XOUT1)
0.6 Vp-p
12 MHz
• A : B+ Line.
• Power voltage is dc 3V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : REC
(
): PB
• Voltages are taken with VOM (Input impedance 10 M).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
E
: PB
a : REC
0.2 V/DIV, 0.1 Psec/DIV
2
IC4541 ij (XIN32K)
0.4 Vp-p
32.768 kHz
0.1 V/DIV, 20 Psec/DIV
CSP (Chip Size Package)
12
12