55
ZS-M30
Note on Schematic Diagram: MAIN SECTION (1/3)
• All capacitors are in mF unless otherwise noted. pF: mmF 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.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
Note on Schematic Diagram: MAIN SECTION (2/3)
• All capacitors are in mF unless otherwise noted. pF: mmF 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.
Note:
The components identified by mark ! or dotted line with
mark ! are critical for safety.
Replace only with part number specified.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
Note on Schematic Diagram: MAIN SECTION (3/3)
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in W and
1
/
4
Ω
or less unless otherwise specified.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
• Signal path.
F
: FM
Note on Schematic Diagram: TUNER SECTION
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
Ω
or less unless otherwise specified.
•
f
: internal component.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
(
) : MW
<
> : LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
• Signal path.
F
: FM
f
: AM
Note on Schematic Diagram: CONTROLSECTION
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or9Uss unless otherwise specified.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
Note on Schematic Diagram: CD SECTION
• All capacitors are in mF unless otherwise noted. pF: mmF 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.
Note:
The components identified by mark ! or dotted line with
mark ! are critical for safety.
Replace only with part number specified.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal conditions.
no mark: CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
• Signal path.
J
: CD
j
: MD REC
Note on Schematic Diagram: MD SECTION (1/2) (2/2)
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F 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.
Note:
The components identified by mark
!
or dotted line with
mark
!
are critical for safety.
Replace only with part number specified.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground under no-
signal conditions.
no mark : STOP
(
) : PLAY
<
> : REC
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
• Signal path.
E
: MD PLAY
j
: MD REC