Sony ZS-M30 Service Manual ▷ View online
53
53
ZS-M30
6-18. SCHEMATIC DIAGRAM – MD SECTION (1/2) –
z
Refer to page 55 for Notes.
z
Refer to page 58 to 61 for IC Block Diagrams.
z
Refer to page 57 for Waveforms.
54
54
ZS-M30
6-19. SCHEMATIC DIAGRAM – MD SECTION (2/2) –
z
Refer to page 55 for Notes.
z
Refer to page 58 to 61 for IC Block Diagrams.
z
Refer to page 57 for Waveforms.
55
ZS-M30
Note on Schematic Diagram: MAIN SECTION (1/3)
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
• 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-
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
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.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
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
• 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.
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-
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
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.
ances.
Note on Schematic Diagram: MAIN SECTION (3/3)
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
• 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-
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark : FM
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.
ances.
• Signal path.
F : FM
Note on Schematic Diagram: TUNER SECTION
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
• 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-
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
(
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.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F: FM
f: AM
f: AM
Note on Schematic Diagram: CONTROLSECTION
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
• 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-
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark: FM
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.
ances.
Note on Schematic Diagram: CD SECTION
• All capacitors are in mF unless otherwise noted. pF: mmF 50 WV
• 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.
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-
• Voltages and waveforms are dc with respect to ground under no-
signal conditions.
no mark: CD PLAY
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.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J: CD
j: MD REC
j: MD REC
Note on Schematic Diagram: MD SECTION (1/2) (2/2)
• All capacitors are in
• 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-
• Voltages and waveforms are dc with respect to ground under no-
signal conditions.
no mark : STOP
(
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.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
E
: MD PLAY
j
: MD REC
56
ZS-M30
• Waveforms – CD SECTION –
1
IC701qg(RFO)
(PLAY MODE)
VOLT/DIV : 0.5 V AC
TIME/DIV : 1 msec
(PLAY MODE)
VOLT/DIV : 0.5 V AC
TIME/DIV : 1 msec
2
IC701 qd(FE)
(PLAY MODE)
VOLT/DIV : 0.1 V AC
TIME/DIV : 5 msec
(PLAY MODE)
VOLT/DIV : 0.1 V AC
TIME/DIV : 5 msec
3
IC701 qa (TE)
(PLAY MODE)
VOLT/DIV : 0.1 V AC
TIME/DIV : 5 msec
(PLAY MODE)
VOLT/DIV : 0.1 V AC
TIME/DIV : 5 msec
4
IC702 rd (RF DC)
(PLAY MODE)
VOLT/DIV : 0.5 V AC
TIME/DIV : 1 msec
(PLAY MODE)
VOLT/DIV : 0.5 V AC
TIME/DIV : 1 msec
5
IC702 yj (XTAO)
(PLAY MODE)
VOLT/DIV : 0.5 V AC
TIME/DIV : 20
(PLAY MODE)
VOLT/DIV : 0.5 V AC
TIME/DIV : 20
µ
sec
1
IC801 ij TX
VOLT/DIV : 1 V AC
TIME/DIV : 20
TIME/DIV : 20
µ
sec
2
IC801 rs XTAL
VOLT/DIV : 1 V AC
TIME/DIV : 0.1
TIME/DIV : 0.1
µ
sec
1
IC1 w; X OUT
VOLT/DIV : 0.5 V AC
TIME/DIV : 10
TIME/DIV : 10
µ
sec
• Waveforms – TUNER SECTION –
1.1 – 1.3 Vp-p
0.6 Vp-p
0.3 Vp-p
1.1 – 1.3 Vp-p
2.1 Vp-p
33.8688 MHz
• Waveforms – MAIN SECTION –
1.5 Vp-p
75 kHz
3.4 Vp-p
32.768 kHz
2.8 Vp-p
8 MHz
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