Sony ZS-D50 (serv.man2) Service Manual ▷ View online
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6-7. SCHEMATIC DIAGRAM (CD/SYSTEM SECTION)
r
Refer to page 52 for IC Block Diagrams.
r
Waveforms (CD/System Section)
1
IC701
#£
(RFO)
(PLAY MODE)
VOLT/DIV : 200 m V AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
0.55 – 0.85
Vp-p
Vp-p
2
IC701
6
(FEO)
(PLAY MODE)
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.2 msec
TIME/DIV : 0.2 msec
3
IC701
$∞
(TEO)
(PLAY MODE)
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5 msec
TIME/DIV : 0.5 msec
4
IC702
@ª
(PCO)
VOLT/DIV : 0.5 V AC
TIME/DIV : 1
TIME/DIV : 1
µ
sec
5
IC702
$º
(LRCKI)
VOLT/DIV : 1 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
6
IC702
&¡
(XTAO)
VOLT/DIV : 0.5 V AC
TIME/DIV : 20 nsec
TIME/DIV : 20 nsec
7
IC801
#ª
(OSC OUT)
VOLT/DIV : 0.5 V AC
TIME/DIV : 50 nsec
TIME/DIV : 50 nsec
8
IC801
(™
(CLK OUT)
VOLT/DIV : 1 V AC
TIME/DIV : 10
TIME/DIV : 10
µ
sec
0.6 Vp-p
0.7 Vp-p
2.2 Vp-p
5.75
µ
sec
4.8 Vp-p
22.75
µ
sec
2.0 Vp-p
16.44 MHz
2.0 Vp-p
4.21 MHz
4.85 Vp-p
32.768 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.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 12V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM (RADIO SECTION),
no mark : FM (RADIO SECTION),
CD STOP (CD SECTION)
<
> : 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
ZS-D50
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– 50 –
ZS-D50
r
Refer to page 26 for Circuit Boards Location.
6-8. PRINTED WIRING BOARDS (TUNER SECTION)
D1
C-2
D2
C-2
D3
E-3
D4
D-3
D5
G-4
IC1
D-4
IC2
C-6
Q1
G-4
Q2
G-5
Q3
H-5
Q4
F-5
Q5
H-5
Q6
F-4
Q9
F-5
Q10
F-5
Q11
D-6
Q12
E-5
Q15
G-7
Q16
G-6
Q18
H-7
Q21
G-6
Q22
I-5
Q23
B-3
Ref. No.
Location
r
Semiconductor
Location
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
6-9. SCHEMATIC DIAGRAM (TUNER SECTION)
r
Refer to page 55 for IC Block Diagrams.
r
Waveforms (Tuner Section)
1
IC2
@¡
(X OUT)
VOLT/DIV : 0.5 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
350 mVp-p
75 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.
•
¢
: internal component.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 12V and fed with regulated dc power
supply from external power voltage jack.
• 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 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
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