Read Sony XDR-S56DBP Service Manual online
XDR-S56DBP
XDR-S56DBP
7
7
SECTION 4
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
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
specifi ed.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : AUDIO (DAB/FM)
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
(DAB/FM)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Waveforms
– MICRO COMPUTER Board –
• Circuit Boards Location
1.4 Vp-p
32.768 kHz
IC501 RT (XT1)
0.5 V/DIV, 20
μsec/DIV
• IC Block Diagrams
– MAIN Board –
IC301 TDA2822M
IC953 MM3291CNRE
1
OUTR
VCC
OUTL
GND
NFR
INR
INR
INL
NFL
NFL
2
7
8
3
4
5
6
– REG Board –
IC952 MM1563DFBE
1
VOUT
NC
GND
CN
VIN
NC
NC
CONT
REFERENCE
DRIVER
BIAS
CURRENT
LIMITTER
THERMAL
SHUTDOWN
2
3
4
8
7
5
6
VDD 1
GND 2
CE 3
NC
4
REGULATOR
VOUT
5
JACK board
MICRO COMPUTER board
MAIN board
KEY board
REG board
MODULE (DAB tuner)
(TU1)
(TU1)
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