Sony XDR-S56DBP Service Manual ▷ View online
XDR-S56DBP
5
2-5. KEY BOARD, MICRO COMPUTER BOARD
6 KEY board
1 two screws
7 MICRO COMPUTER board
1 three screws
2 claw
4 chassis
3
5 Remove the nine solders.
XDR-S56DBP
6
SECTION 3
TEST MODE
LCD TEST MODE
This mode can confi rm the display of liquid crystal display.
This mode can confi rm the display of liquid crystal display.
Procedure:
1. Turn the power on.
2. Press the [RESET] button while pressing the [DSPL] and
1. Turn the power on.
2. Press the [RESET] button while pressing the [DSPL] and
[PRESET/ENTER] buttons.
3. Release the [RESET] button in the state of step 2, and enter the
test mode.
4. Press the [PRESET/ENTER] button in the test mode. The all
segments of liquid crystal display are turned on, and the LCD
test mode becomes active.
test mode becomes active.
5. In this state, each the [
U]/[u] buttons are pressed, the all seg-
ments of liquid crystal display repeats on and off.
Releasing method:
Press the [POWER] button.
Press the [POWER] button.
VERSION DISPLAY MODE
The system controller software version and module (DAB TUN-
ER) fi rmware version can be displayed in this mode.
The system controller software version and module (DAB TUN-
ER) fi rmware version can be displayed in this mode.
Procedure:
1. Turn the power on.
2. Press the [RESET] button while pressing the [DSPL] and
1. Turn the power on.
2. Press the [RESET] button while pressing the [DSPL] and
[PRESET/ENTER] buttons.
3. Release the [RESET] button in the state of step 2, and enter the
test mode.
4. Press the [DSPL] button in the test mode. The system con-
troller software version and module (DAB TUNER) fi rmware
version are displayed, and the version display mode becomes
active.
version are displayed, and the version display mode becomes
active.
VENIC : module (DAB TUNER) fi rmware version
MCU
: system controller software version
Releasing method:
Press the [POWER] button.
Press the [POWER] button.
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)
XDR-S56DBP
XDR-S56DBP
8
8
4-1. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
• See page 7 for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
W101
C301
R203
C963
C973
JC8
JC7
JC7
R103
RV301
VOL
R206
R302
C952
C953
COM+B
IC951
GND
W501
W752
C951
C961
C962
R207
JC3
JC2
GND
R209
C204
C109
R959
C970
IC301
R112
1
8
-1
-2
3
2
3
1
10
1
1
3
1
5
1
5
1
4
5
1
5
2
1
R958
R957
C211
R210
W751
C212
C111
C103
C1
JW12
JW11
JW9
JW8
JW7
JW6
R211
J301
i
J901
DC IN 6V
!
SPK+
W701
SP301
BATT–
W752
AC CHK
DRY BATTERY
SIZE “AA”
( IEC DESIGNATION LR6 )
4PCS, 6V
D902
W751
ROUT
GND
BATT+
BATT–
GND
DAB3.3V
DAB1.2V
COM+B
W901
TU1
MODULE
(DAB TUNER)
LOUT
ROUT
GND
GND
AMP+B
D1
ANT1
TELESCOPIC ANTENNA
Q201
R104
C203
JC5
JC6
C966
R956
JW3
AC
D951
JC1
R106
R208
R107
C209
IC302
R109
C104
C1
12
R1
10
R212
C957
C958
C959
R963
C974
W901
R SW
6V
GND
1.2V
W503
1.2V SW
3.3V
IC953
D952
C956
IC952
5
8
4
1
1
3
5
1
5
4
B C E
Q101
3 1
4 5
JW4
JW1
JW2
JW5
JW10
E C B
Q953
E C B
E C B
Q952
R108
C954
C955
GND
COM
RXD
TXD
R962
R967
R968
JC9
R
111
R901
D901
FB901
FB902
D903
R204
MAIN BOARD
JACK BOARD
REG BOARD
1-884-722-
11
(11)
11
(11)
11
(11)
1-875-242-
1-884-725-
A
MICRO COMPUTER
BOARD
W501
B
MICRO
COMPUTER
BOARD
W503
1
2
13
14
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