ICD-P620
ICD-P620
10
10
For Schematic Diagrams.
Note:
• All capacitors are in
μ
F 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
speci
fi
ed.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– Main (1/2), (2/2) sections –
no mark : PB
(
)
:
REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For Printed Wiring Boards.
Note:
•
X
: Parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Waveforms
– MAIN Board –
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
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.
• IC Block Diagrams
IC102 MM3111AWLE (MAIN Board (1/2))
IC2002 MM3111AWLE (MAIN Board (1/2))
IC506 XC9105D091MR (MAIN Board (1/2))
1
BIAS
3
4
2
8
6
5
7
SHUTDOWN
BIAS
+IN
-IN
VO2
GND
VDD
VO1
Ref. No. Location
• Semiconductor
Location
(MAIN
Section)
(D505) H-6
D701
E-12
D702
E-12
D2001 E-12
D2002 C-6
D2004 C-5
(D2007) I-6
D2008 A-12
IC101
C-9
IC102
D-10
(IC501) J-6
(IC502) G-6
(IC503) I-6
(IC504) H-3
(IC506) I-6
(IC701) I-8
(IC702) G-10
(IC703) I-10
IC2001 D-8
IC2002 D-11
(Q101) G-11
Q106
B-10
(Q506) H-5
(Q507) I-4
(Q508) I-4
Q509
C-4
(Q702) G-10
Q703
C-8
Q704
C-5
(Q2001) H-12
Q2002 C-5
( ): SIDE B
Summary of Contents for ICD-P620
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