Sony STR-DE525 / STR-V515 Service Manual ▷ View online
— 5 —
[REAR PANEL]
Photo : STR-DE525
1
2 3
4 5
6
9
!º
!¡
!™
7
8
!£
!¢
!∞
!§
1
ANTENNA (FM/AM)
2
y
SIGNAL GND
3
TV/DBS
4
VIDEO
5
MONITOR
6
WOOFER
7
SURROUND SPEAKERS (REAR)
8
SURROUND SPEAKERS (CENTER)
9
WIRELESS REAR SPEAKER
!º
AC power cord
!¡
AC OUTLET
!™
FRONT SPEAKERS (A/B)
!£
TAPE/MD
!¢
CD
!∞
PHONO
!§
5.1/DVD INPUT
— 6 —
SECTION 2
TEST MODE
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the TUNER and the BASS BOOST buttons
simultaneously, press the power [I/
simultaneously, press the power [I/
u] button to turn on the main
power. The software version is displayed.
KEY TEST MODE
* All keys are tested.
* Procedure:
* Procedure:
While depressing the CD and the BASS BOOST buttons
simultaneously, press the power [I/
simultaneously, press the power [I/
u] button to turn on the main
power. The message REST40 appears. When the respective keys
are pressed one after another, the number decrements in the order
of REST39, REST38, and so on.
are pressed one after another, the number decrements in the order
of REST39, REST38, and so on.
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested. When this test is activated,
all segments turn on at the same time, then each segment turns on
one after another.
one after another.
* Procedure:
While depressing the TV/LD and the BASS BOOST buttons
simultaneously, press the power [I/
simultaneously, press the power [I/
u] button to turn on the main
power. All segments turn on at the same time, then each segment
turns on one after another.
turns on one after another.
FACTORY SET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
While depressing the VIDEO and the BASS BOOST buttons
simultaneously, press the power [I/
simultaneously, press the power [I/
u] button to turn on the main
power. The message FACTORY appears and the present contents
are reset to the default values.
are reset to the default values.
ALL CLEAR MODE
* All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
of repair.
* Procedure:
While depressing the VIDEO and the TAPE/MD buttons
simultaneously, press the power [I/
simultaneously, press the power [I/
u] button to turn on the main
power. The message INITIAL appears and initialization is
performed.
performed.
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
completion of repair.
* Procedure:
While depressing the SOUND FIELD ON/OFF button, press the
power [I/
power [I/
u] button to turn on the main power. The message S. F.
CLEAR appears and initialization is performed.
AM CHANNEL STEP 9 kHz/10 kHz
SELECTION MODE
SELECTION MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Set the FUNCTION to AM. Turn off the main power.
While depressing the TUNING+ button or the PRESET+ button,
press the power [I/
While depressing the TUNING+ button or the PRESET+ button,
press the power [I/
u] button to turn on the main power. Either
the message 9k STEP or 10k STEP appears. Select the desired
step.
step.
DEMO MODE
* Continuous demonstration starts when the demo mode is activated.
* Procedure:
* Procedure:
While depressing the CURSOR MODE button, press the power
[I/
[I/
u] button to turn on the main power. The message MUSIC
DEMO appears and demonstration is performed automatically.
STR-DE525/V515
— 7 —
— 8 —
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
For schematic diagrams.
Note:
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
%
: indicates tolerance.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
• Abbreviation
CND : Canadian
AUS
AUS
: Australian
CH
: Chinese
MY
: Malaysia
SP
: Singapore
EA
: Saudi Arabia
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
Note:
The components identified by
mark
The components identified by
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
• Waveform
STANDBY board
STANDBY (2) board
SP board
VIDEO board
SURR board
INPUT board
BALANCE board
AMP board
SW board
H.P board
SP SW board
DISPLAY board
CONNECTOR board
VOL board
REARAMP board
1
IC103 12PIN (X1)
4.19MHz
4.4Vp-p
DISPLAY BOARD
STR-DE525/V515
— 9 —
— 10 —
3-2. BLOCK DIAGRAM –MAIN SECTION–
L
24
IF DA
T
A
FM
AM
FM
75
Ω
AM
DO
AST
OP
TMUTE
STEREO
D
ATA
CLK
CE
L OUT
R OUT
TUNER UNIT
DO
AUT
O ST
OP
TMUTE
STEREO
S DA
T
A
S CLK
S LA
T
R CH
R CH
: FM
: CD (ANALOG)
• Signal Path
• RCH is omitted
R CH
R
PHONO
L
R
CD
J201
R CH
L
R CH
R
INPUT
L
R
OUT PUT
J202
R CH
L
R CH
R
FRONT
L
R
REAR
J203
R CH
C
WOOFER
5.1 INPUT
TAPE/MD
M OUT
1
J201
IN
MONITOR
J202
J203
5.1 IN
TV/DVD
VIDEO 2
OUT
IN
VIDEO 2
OUT
OUT
OUT
V1 IN
13
V1 OUT
15
V2 IN
9
V2 OUT
11
TV
3
LD
5
7
V3 OUT
8
VEE
16
VCC
14
SW1
10
SW2
2
SW5
4
SW3
6
SW4
3
2
VIDEO SELECT
IC201
-5V
REG
IC202
-15V
+5V
: VIDEO
3
2
1
10
9
6
4
11
8
CONTROL
CE
13
CLK
15
DI
14
AUDIO SELECT
IC302
MUTE
Q300
S LA
T
S CLK
S DA
T
A
CONTROL
CE
45
CLK
47
D
ATA
46
D LA
T
S CLK
S DA
T
A
3
1
LINE AMP
IC404
9
L OUT
S OUT
C OUT
41
39
38
MATRIX DECODER
IC401
DOLBY PROLOGIC
11
13
3
1
EQ AMP
IC303
30
29
27
26
28
25
CONTROL
CE
13
CLK
15
DI
14
SELECTOR
IC403
S LA
T
S CLK
S DA
T
A
20k
L.P.F
ADM
5k/7k
L.P.F
VOL/
MUTE
DEC
CE
4
CLK
2
DI
3
D LA
T
S CLK
S DA
T
A
22
20
PROCESSOR
IC400
SURROUND
SL OUT
L OUT
24
23
22
MUTE SW
Q411
3
2
1
3
1
MUTE
Q304
5
7
MUTE
Q305
IC306
IC304
IC305
L.P.F
MUTE
Q302
4
2
3
6
5
BASS
TREBLE
TONE CONTROL
IC502
LEVEL SHIFT
STB
10
CLK
8
DI
9
T
LA
T
S CLK
S DA
T
A
BOOST
DET
Q501,502
Q411
Q414
+5V
RY301
RELAY
DRIVE
DRIVE
Q308
5
7
IC307
LINE AMP
RV401
VOLUME
RV402
BALANCE
L
C
W
SL
A
POWER
SECTION
M
UP
DOWN
V-A
2
SYSTEM
CONTROL
IC103(1/2)
V-B
3
V-E
4
V INH
27
16
21
AUT
O ST
OP
23
STEREO
22
TUNER MUTE
S DA
T
A
S CLK
S LA
T
DO
AUT
O ST
OP
STEREO
TMUTE
19
S DA
T
A
18
S CLOCK
20
S LA
TCH
9
D LA
TCH
17
T
LA
TCH
D LA
T
T
LA
T
52
VOL
+
51
VOL-
3 51
8
7
VOL
MOTOR
IC106
UP
DOWN
6
S MUTE
49
BASS BOOST
41
DIRECT
P
ASS
LED SW
Q108
LED SW
Q143
D136
P RY
B
POWER
SECTION
: PHONO
Click on the first or last page to see other STR-DE525 / STR-V515 service manuals if exist.