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RM-AX1400
Note on Schematic Diagrams:
• 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
/
W or less unless otherwise specified.
4
f
•
: internal tolerance.
• C : panel designation.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark : Power on
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production toler-
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
• Circled numbers refer to waveforms.
• Waveforms
– MAIN Board –
1
IC1 qg (PI21/OSC-I)
200 ns
1 V/DIV, 100 ns/DIV
8
SECTION 4
DIAGRAMS
2
IC2A wh (XIN)
3.5 Vp-p
41.7 ns
1 V/DIV, 20 ns/DIV
Note on Printed Wiring Boards:
• Y : parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
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.
500 mVp-p
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