Sony ST-SDE700 Service Manual ▷ View online
ST-SDE700
5
2-4. MAIN BOARD
2-3. FRONT PANEL ASSY
4
wire (flat type) (17 core)
(CN304)
(CN304)
1
screw
(BVTP3
(BVTP3
×
8)
Note: Need to remove this screw
before remove the front panel assy.
6
two claws
6
two claws
5
three screws
(BVTP3
(BVTP3
×
8)
3
screw
(BVTP3
(BVTP3
×
8)
2
insulator
7
front panel assy
1
wire (flat type) (15 core)
(CN301)
(CN301)
5
three screws
(BVTP3
(BVTP3
×
8)
6
two screws
(BVTP3
(BVTP3
×
8)
9
connector
(CN300)
(CN300)
q;
module (DAB tuner)
qa
cushion (DAB)
qs
MAIN board
4
nut (DAB)
7
Remove the two claws of rocking card spacer.
8
Remove the MAIN board
in the direction of the arrow.
in the direction of the arrow.
rocking card spacer
claw
claw
2
wire (flat type) (17 core)
(CN304)
(CN304)
3
two connectors
(CNP915, CNP916)
(CNP915, CNP916)
6
ST-SDE700
SECTION 3
TEST MODE
SOFTWARE VERSION DISPLAY MODE
Procedure:
1. While pressing the [MEMORY] and [NAME IN] buttons, press
the [POWER] button to turn on the power.
2. The software version “DAB.CEx.xx xx” is appeared.
3. Several seconds later, the set becomes normal mode.
3. Several seconds later, the set becomes normal mode.
DAB VENICE VERSION DISPLAY MODE
Procedure:
1. Press the [POWER] button to turn on the power.
2. Press the [BAND] button and set the band to DAB.
3. Press the [POWER] button to turn off the power.
4. While pressing the [ENTER] and [DISPLAY] buttons, press the
2. Press the [BAND] button and set the band to DAB.
3. Press the [POWER] button to turn off the power.
4. While pressing the [ENTER] and [DISPLAY] buttons, press the
[POWER] button to turn on the power.
5. Press the [DISPLAY] button to appear the DAB Venice version
“VEN. x.x.xx”.
6. To release this mode, press the [POWER] button to turn off the
power.
FLUORESCENT INDICATOR TUBE CHECK
Procedure:
1. While pressing the [BAND] and [DISPLAY] buttons, press the
[POWER] button to turn on the power.
2. All segments of fluorescent indicator tube turn on.
3. To release this mode, press the [POWER] button to turn off the
3. To release this mode, press the [POWER] button to turn off the
power.
KEY CHECK
Procedure:
1. While pressing the [ENTER] and [NAME IN] buttons, press the
[POWER] button to turn on the power.
2. “REST 23” is appeared.
3. Each time any key is pressed, the displayed number is
3. Each time any key is pressed, the displayed number is
decreased until “REST 00”.
4. To release this mode, press the [POWER] button to turn off the
power.
SHIPMENT MODE
Procedure:
1. While pressing the [BAND] and [NAME IN] buttons, press the
[POWER] button to turn on the power.
2. The message “CLEARED” is appeared for few seconds.
ST-SDE700
7
7
ST-SDE700
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
• SIGNAL PATH
: DAB (ANALOG)
: FM/AM
: DAB (DIGITAL)
• R-ch is omitted due to same as L-ch.
14 - 29
LOW-PASS
FILTER
IC202, 203
MUTING
CONTROL
Q151
SYSTEM CONTROLLER
IC300
REMOTE CONTROL
RECEIVER
IC802
TUNER SELECTOR
IC201
FM 75
Ω
COAXIAL
AM
ANALOG
OUT
J201
L
R
1X
R-CH
RCH
13
0X
12
A
11
C
9
X-COM 14
FL DRIVER
IC800
LEVEL SHIFT
IC801
2Y
6
DIN 7
AC_STOP 48
RSTX 77
DAB-PWR5 4
DAB-PWR 30
(AC IN)
RECT
D925 - 928
X_L_MUTING 85
MON2 3
BUFFER
IC200
MUTING
Q200
LEVEL SHIFT
Q201
VOLTAGE DETECT
IC912
–20V
REGULATOR
Q912
DAB POWER
ON/OFF
Q906, 908
DAB POWER
ON/OFF
Q910, 911
+3.3V
REGULATOR
IC910
FOR FLUORESCENT
INDICATOR TUBE
S901
D911
F1
POWER
D922 - 924
D102
D103
D101
R-CH
R-CH
FL–20V
UNREG +12V
+5.0V
FM3.3V,
D+3.3V
F2
ROTARY ENCODER
RV701
RECT
D918, 919
MUTE 3.3V
T901
POWER
TRANSFORMER
RECT
D935 - 938
+5V
REGULATOR
IC913
DAB+5V
+5V
REGULATOR
IC907
DAB+3.3V
+3.3V
REGULATOR
IC911
DIGITAL OUT
SWITCH
IC403
AU–5V
–5V
REGULATOR
IC903
AU+5V
+5V
REGULATOR
IC902
TUNER B+
+9V
REGULATOR
IC901
RESET SIGNAL
GENERATOR
IC100
OPTICAL
TRANSCEIVER
IC401
LCH
DO
TUN_DIO2
TUN_DIO1
DI
CL
TUN_CLK
SLATCH
CE
TUNED
TUNED
STEREO
STEREO
MUTING
TUN_MUTING
FM_SIG
FM_S-METER
TUNER
RDS_DATA
RDS_DATA
RDS_INT
DAB_IO1
DAB_IO2
RDS_INT
DAB 75
Ω
COAXIAL
TUNING/
SELECT
DIGITAL
DAB
OPTICAL OUT
S701 - 715, 717, 718,
S721 - 724, 727, 728
(FRONT PANEL KEYS)
SEG1 -
SEG16
SEG16
R-CH
AUDIO_RIGHT_OUT
AUDIO_LEFT_OUT
DAB MODULE
FL101
FLUORESCENT
INDICATOR
TUBE
SPDIF_OUT
S1_DIN
S1_DOUT
ANTENNA
TUN_DIO2
TUN_DIO1
TUN_CLK
SLATCH
TUNED
STEREO
TUN_MUTING
FM_SIG
RDS_DATA
RDS_INT
DAB_IO1
DAB_IO2
TUN_DIO2
TUN_DIO1
TUN_CLK
SLATCH
TUNED
STEREO
TUN_MUTING
FM_SIG_OUT
RDS_DATA
RDS_INT
DAB_IO1
DAB_IO2
FL_DATA
59
2A 4
1Y
3
CLK 8
FL_CLK
60
1B 2
EEPROM
IC301
SDA
31
SDA 5
SCL
32
SCL 6
3Y
8
76
DABSEL
86
14
15
78
73
74
75
43
53
52
28
27
STB 9
FL_LAT
61
3A 9
SIRCS
54
JOG_P
66
JOG_M
67
KEY_AD0
38
KEY_AD1
39
42 - 31
GRID1 -
GRID12
GRID12
82
83
X301
24MHz
X0
X1
ST-SDE700
8
8
ST-SDE700
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
C
B
These are omitted.
E
Q
•
Circuit Boards Location
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
f
: internal component.
• 2
: nonflammable resistor.
• 5
: fusible resistor.
• C
: panel designation.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• A
: B+ Line.
• B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM/AM
(
under no-signal (detuned) conditions.
no mark : FM/AM
(
) : DAB
•
Voltages are taken with a VOM (Input impedance 10 MW).
Voltage variations may be noted due to normal produc-
tion tolerances.
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: FM/AM
f
: DAB (ANALOG)
h
: DAB (DIGITAL)
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
B
These are omitted.
C
E
Q
MAIN board
TUNER
MODULE (DAB TUNER)
TRANSFORMER board
POWER SUPPLY board
BRIDGE board
DISPLAY board
SWITCH board
ENCODER board
1
IC300
id
(X1)
1 V/DIV, 20 ns/DIV
41.6 ns
2.2 Vp-p
2
IC800
5
(OSC)
1 V/DIV, 1
µ
s/DIV
2.38
µ
s
2.1 Vp-p
•
Waveforms
– MAIN Board –
– DISPLAY Board –
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