Sony ZS-M7 Service Manual ▷ View online
– 67 –
– 68 –
– 70 –
– 69 –
– 71 –
r
Semiconductor
Location
6-7. PRINTED WIRING BOARDS – TUNER SECTION (US MODEL) –
r
Refer to page 53 for Circuit Boards Location.
6-8. SCHEMATIC DIAGRAM – TUNER SECTION (US MODEL) –
r
Waveform – Tuner Section –
r
Refer to page 102 for IC Block Diagrams.
ZS-M7
1
IC2
1
VOLT/DIV : 0.2 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
1.0 Vp-p
75 kHz
D1
G-2
D2
G-2
D3
G-1
D4
G-1
D5
H-3
D6
G-6
IC1
G-4
IC2
F-8
Q1
E-5
Q2
F-5
Q3
H-9
Q4
G-9
Q5
G-5
Q6
H-6
Q7
H-8
Q8
G-8
Ref. No.
Location
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.
•
¢
: internal component.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
Note:
•
•
X
: parts extracted from the component side.
•
b
: Pattern on the side which is seen.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• 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
– 74 –
– 75 –
– 72 –
– 73 –
– 76 –
ZS-M7
6-9. PRINTED WIRING BOARDS – TUNER SECTION (EXCEPT US MODEL) –
6-10. SCHEMATIC DIAGRAM – TUNER SECTION (EXCEPT US MODEL) –
r
Semiconductor
Location
r
Refer to page 102 for IC Block Diagrams.
r
Waveform – Tuner Section –
1
IC2
1
VOLT/DIV : 0.2 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
1.0 Vp-p
75 kHz
D3
H-3
D4
G-1
D5
G-1
D10
G-6
D40
G-2
D41
G-2
D50
F-3
D51
F-3
IC1
G-4
IC2
F-8
Q1
G-8
Q3
G-9
Q4
H-9
Q5
H-8
Q6
H-6
Q7
E-5
Q8
G-5
Q50
F-5
Q51
H-8
Q52
H-4
Q53
H-3
Q54
G-2
Q57
H-3
Ref. No.
Location
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.
•
¢
: internal component.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
<
> : LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
Note:
•
•
X
: parts extracted from the component side.
•
b
: Pattern on the side which is seen.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• 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
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