Sony STR-DE435 / STR-DE535 / STR-SE491 / STR-V424 / STR-V525 Service Manual ▷ View online
— 5 —
1
ANTENNA (FM/AM)
2
5.1CH/DVD
3
MONITOR
4
WOOFER
5
SPEAKER (REAR)
6
SPEAKER (CENTER)
7
AC power cord
8
AC OUTLET
9
SPEAKER (FRONT)
!º
IMPEDANCE SELECTOR (DE535 only)
!¡
S-LINK (DE535 only)
!™
VIDEO
!£
TV/LD (DE435), TV/SAT (DE535)
!¢
MD/TAPE
!∞
CD
!§
PHONO (DE535 only)
!¶
y
SIGNAL GND (DE535 only)
Rear Panel
1
2
3
4
5
6
8
9
!º
!¡
!™
!£
!¢
!∞
!§
!¶
7
— 6 —
SECTION 2
TEST MODE
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the MD/TAPE and the DIRECT buttons
simultaneously, press the power [
simultaneously, press the power [
1/u] button to turn on the main
power. The model name, destination and the software version are
displayed.
displayed.
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/SAT and the DIRECT buttons
simultaneously, press the power [
simultaneously, press the power [
1/u] button to turn on the main
power.
1. All segments turn on.
VIDEO, TV/SAT, MD/TAPE, CD, TUNER and PHONO LED
turn on.
turn on.
2. Press the VIDEO button, confirm display
5.1CH/DVD, SUR, BASS/TREBLE, SET UP and NAME LED
turn on.
turn on.
3. Press the VIDEO button, confirm display
TONE, BASS BOOST and MUTING LED turn on.
4. Press the VIDEO button, All segments turn off.
5. Every pressing of the VIDEO button turns on each segment one
after another in the following order.
(Not only the VIDEO button, but also the other buttons sach as
TV/SAT, MD/TAPE, CD, TUNER, PHONO, 1, 2, 3, 4, 5, 6, 7,
8, 9, 0 can be used.)
(Not only the VIDEO button, but also the other buttons sach as
TV/SAT, MD/TAPE, CD, TUNER, PHONO, 1, 2, 3, 4, 5, 6, 7,
8, 9, 0 can be used.)
FACTORY SET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
While depressing the VIDEO and the DIRECT buttons
simultaneously, press the power [
simultaneously, press the power [
1/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 TUNER and the MD/TAPE buttons
simultaneously, press the power [
simultaneously, press the power [
1/u] button to turn on the main
power. Alternatively, press
1/u more than 4S. The message ALL
CLEAR appears and initialization is performed.
SURROUND 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 [
power [
1/u] button to turn on the main power. The message SUR
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 [
While depressing the TUNING+ button or the PRESET+ button,
press the power [
1/u] button to turn on the main power. Either
the message AM 9k STEP or AM 10k STEP appears. Select the
desired step.
desired step.
* For US/Canadian/E model only
STR-DE435/DE535/SE491/V424/V525
SECTIION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
STANDBY board
REAR AMP board
P.AMP board
SPK SELECT board
HEADPHONE board
DISPLAY board
KEY board
VOL board
BALANCE board
BRIDGE-A board
BRIDGE-B board
INPUT board
SURR board
REAR SPK board
VOLTAGE SELECTOR board
(DE 535 : E MODEL)
(DE 535 : E MODEL)
— 7 —
— 8 —
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
J
: CD
g
: VIDEO
I
: PHONO
• Abbreviation
CND : Canadian model
AUS
AUS
: Australian model
CH
: Chinese model
MY
: Malaysia model
SP
: Singapore model
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.)
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
– DISPLAY SECTION –
– DISPLAY SECTION –
1
IC100
!™
(X1)
2
IC1001
!∞
(X IN)
5MHz
7.28MHz
4.3Vp-p
3.3Vp-p
EA
: Saudi Arabia model
EE
: East European model
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.
– INPUT SECTION –
3
IC230
!£
4.33MHz
2.8Vp-p
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
STR-DE435/DE535/SE491/V424/V525
3-2. BLOCK DIAGRAMS
— MAIN SECTION —
L
24
IF DA
TA
FM
AM
FM
75
Ω
AM
DO
ASTOP
TMUTE
STEREO
D
ATA
CLK
CE
L OUT
R OUT
TUNER UNIT
DO
AUTO STOP
TMUTE
STEREO
S DA
TA
S CLK
S LA
T
R CH
: FM
: CD (ANALOG)
• Signal Path
• RCH is omitted
PHONO
L
CD
J201
L
INPUT
L
OUT PUT
J202
L
FRONT
L
REAR
J204
WOOFER
5.1 INPUT
TAPE/MD
M OUT
10
J281
MONITOR
J208
5.1 IN
IN
VIDEO 1
OUT
OUT
OUT
V2
3
OUT
5
V3
12
V1
1
14
VEE
8
VCC
13
SW1
2
SW2
4
SW2
11
M
3
2
VIDEO SELECT
IC281
-5V
REG
IC280
-15V
+5V
: VIDEO
28
30
29
26
22
25
4
11
8
CE
13
CLK
15
DI
14
AUDIO SELECT
IC204
MUTE
Q405
Q405
S LA
T
S CLK
S DA
TA
CONTROL
CE
45
CLK
47
D
ATA
46
D LA
T
S CLK
S DA
TA
5
7
LINE AMP
IC202
9
L OUT
S OUT
C OUT
41
39
38
MATRIX DECODER
IC301
DOLBY PROLOGIC
11
13
5
7
EQ AMP
IC201
20k
L.P.F
ADM
5k/7k
L.P.F
L.P.F
VOL/
MUTE
DEC
CE
4
CLK
2
DI
3
D LA
T
S CLK
S DA
TA
25
23
PROCESSOR
IC302
SURROUND
SL OUT
L OUT
MUTE SW
Q421,422
Q421,422
5
6
7
3
1
MUTE
Q408
Q408
5
7
MUTE
Q409
Q409
IC400
IC403
IC402
L.P.F
MUTE
Q407
Q407
13
15
14
11
12
BASS
TREBLE
TONE CONTROL
IC401
LEVEL SHIFT
STB
10
CLK
8
DI
9
T LA
T
S CLK
S DA
TA
BOOST
DET
Q401,402
RY401
RELAY
DRIVE
DRIVE
Q403
LINE AMP
RV401
VOLUME
RV402
BALANCE
L
C
W
SL
A
POWER
SECTION
(Page 11)
M
UP
DOWN
S1
2
SYSTEM
CONTROL
IC100(1/2)
S2
3
V MUTE
4
16
21
AUTO STOP
23
STEREO
22
TUNER MUTE
S DA
TA
S CLK
S LA
T
DO
AUTO STOP
STEREO
TMUTE
19
S DA
TA
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
2
8
7
VOL
MOTOR
IC102
DOWN
54
S MUTE
49
BASS BOOST
41
DIRECT P
ASS
: PHONO
CENTER
L
TV
L
J203
VIDEO
INPUT
OUTPUT
L
INPUT
5
7
LINE AMP
IC203
UP
DE535 ONLY
SIGNAL
DET OUT
21
24
TUNER
PHONO
CD
TAPE
REC OUT
TV/LD
VIDEO OUT
VIDEO IN
COM
4
2
16
RDS
IC230
13
14
X230
4.332MHz
DE435(CE)ONLY
COM
COM
14 FCC
FCL
18
FCLS
20
DC CUT
9
Q371
5
7
IC403
6
VIR CNTL
38
RDS CLK
15
RDS DA
T
28
SIGNAL
TV/LD
— 9 —
— 10 —
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