DOWNLOAD Sony ZS-D50 Service Manual ↓ Size: 8.67 MB | Pages: 43 in PDF or view online for FREE

Model
ZS-D50
Pages
43
Size
8.67 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
zs-d50.pdf
Date
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Sony ZS-D50 Service Manual ▷ View online

– 31 –
– 32 –
– 34 –
– 33 –
– 35 –
6-5. SCHEMATIC DIAGRAM (MAIN SECTION)
r
 Refer to page 51 for IC Block Diagrams.
ZS-D50
r
 Waveforms (Main Section)
1
ERASE HEAD
ATT : 1/10
VOLT/DIV : 1 V AC
TIME/DIV : 5 
µ
sec
2
3
4
Q305  COLLECTOR
VOLT/DIV : 5 V AC
TIME/DIV : 5 
µ
sec
5
Q303, 304 EMITTER
VOLT/DIV : 5 V AC
TIME/DIV : 5 
µ
sec
T301
ATT :  1/10
VOLT/DIV : 1 V AC
TIME/DIV : 5 
µ
sec
T301
VOLT/DIV : 2 V AC
TIME/DIV : 5 
µ
sec
25.8 Vp-p
16.65 
µ
sec
61 Vp-p
16.65 
µ
sec
13.7 Vp-p
16.65 
µ
sec
17.6 Vp-p
16.65 
µ
sec
17.6 Vp-p
16.65 
µ
sec
Note:
• 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:
Note:
The components identi-
Les composants identifiés
fied by mark 
!
 or dotted par une marque 
!
 sont cri-
line with mark 
!
 are cri-
tiques pour la sécurité.
tical for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le
number specified.
numéro spécifié.
•
U
: B+ Line.
• 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
<
> : REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
E
: PB (L-CH)
a
: REC (L-CH)
d
: PB (R-CH)
G
: REC (R-CH)
J
: CD
– 41 –
– 42 –
– 44 –
– 43 –
– 45 –
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 
µ
sec
0.55 – 0.85
           Vp-p
2
IC701   
6
   (FEO)
(PLAY MODE)
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.2 msec
3
IC701   
$∞
   (TEO)
(PLAY MODE)
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5 msec
4
IC702   
@ª
   (PCO)
VOLT/DIV : 0.5 V AC
TIME/DIV : 1 
µ
sec
5
IC702   
$º
   (LRCKI)
VOLT/DIV : 1 V AC
TIME/DIV : 5 
µ
sec
6
IC702   
&¡
   (XTAO)
VOLT/DIV : 0.5 V AC
TIME/DIV : 20 nsec
7
IC801   
#ª
   (OSC OUT)
VOLT/DIV : 0.5 V AC
TIME/DIV : 50 nsec
8
IC801   
(™
   (CLK OUT)
VOLT/DIV : 1 V AC
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
ZS-D50
Note:
• 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:
Note:
The components identi-
Les composants identifiés
fied by mark 
!
 or dotted par une marque 
!
 sont cri-
line with mark 
!
 are cri-
tiques pour la sécurité.
tical for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le
number specified.
numéro spécifié.
•
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),
                    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.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
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