Sony ZS-M7 Service Manual ▷ View online
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6-3. BLOCK DIAGRAM (2)
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Circuit Boards Location
ZS-M7
• Signal path.
F
: FM
E
: MD PLAY
q
: MD REC
J
: CD
LEFT KEY board
FRONT KEY board
FILTER board
TOP KEY board
RIGHT KEY board
FM ANT board
AM ANT board
TUNER board
RELAY board
PICK-UP RELAY board
TRANS board
SW board
BD board
LINE IN board
MAIN board
DG board
HP board
LOADING board
AUDIO board
FL board
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6-5. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) –
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Refer to page 103 for IC Block Diagrams.
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Waveforms – Main Section (1/2) –
ZS-M7
IC701
#£
(RFO)
PLAY MODE
VOLT/DIV : 200 mV AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
1.1 – 1.5 Vp-p
IC703
@ª
(PCO)
VOLT/DIV : 0.5 V AC
TIME/DIV : 2
TIME/DIV : 2
µ
sec
2
IC701
6
(FEO)
PLAY MODE
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.2 msec
TIME/DIV : 0.2 msec
5
IC703
$º
(LRCKI)
VOLT/DIV : 1 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
3
IC701
$∞
(TEO)
PLAY MODE
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5 msec
TIME/DIV : 0.5 msec
6
IC703
&¡
(XTAO)
PLAY MODE
VOLT/DIV : 0.5 V AC
TIME/DIV : 20 nsec
TIME/DIV : 20 nsec
0.6 Vp-p
0.7 Vp-p
2.2 Vp-p
8.7
µ
sec
5.1 Vp-p
23.25
µ
sec
2.2 Vp-p
16.44 MHz
Note:
• 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.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
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 (STOP)
(
no mark : CD (STOP)
(
) : CD (PLAY)
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J
: CD
1
4
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ZS-M7
6-6. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –
r
Waveforms – Main Section (2/2) –
1
IC801
#™
XTAL
VOLT/DIV : 0.5 V AC
TIME/DIV : 50 nsec
TIME/DIV : 50 nsec
2
IC801
#¢
TX
VOLT/DIV : 1 V AC
TIME/DIV : 10
TIME/DIV : 10
µ
sec
2 Vp-p
5 MHz
5.2 Vp-p
32 kHz
Note:
• 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.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD (STOP)
(
no mark : CD (STOP)
(
) : CD (PLAY)
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
E
: MD PLAY
q
: MD REC
J
: CD
Click on the first or last page to see other ZS-M7 service manuals if exist.