Sony STR-DE435 / STR-DE535 / STR-SE491 / STR-V424 / STR-V525 Service Manual ▷ View online
STR-DE435/DE535/SE491/V424/V525
3-14.
SCHEMATIC DIAGRAM —POWER AMP SECTION —
— 35 —
— 36 —
TO TRANS
CNS801
TO TRANS
CNS802
15P
10P
CNP711
*
*
*
C803,C804
EXCEPT CND,AEP,EE,E,CIS/SE491
;10000/71V
;10000/71V
CND,SE491/DE535:E;8200/71V
AEP,EE,CIS;10000/63V
F801,F802
US,CND
US,CND
MY,SP,AUS,E,CH:8.0A 125V
AEP,EE,CIS:TL6.3A 250V
*
*
*
The components identified by
mark
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Les composants identifiés par
une marque
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.
STR-DE435/DE535/SE491/V424/V525
3-15.
IC PIN FUNCTION DESCRIPTION
— 37 —
— 38 —
• IC100 uPD780208GF-032-3BA/M62438FP-600D SYSTEM CONTROL (DISPLAY BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11, 12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30 to 33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
—
O
O
O
O
O
—
O
O
I
—
—
—
I
—
O
O
O
O
I
O
I
I
—
I
O
I
I
I
—
—
O
I
I
I
—
O
O
O
O
O
—
I
O
O
I
Description
Power Supply (+5 V).
Video IC S1.
Video IC S2.
Video IC MUTE.
Reset.
VIR Control.
Not used (ground).
A-class mute.
Dolby latch.
System reset.
System clock X101(5.0 MHz).
VSS (0 V).
Open.
RDS data input.
Power Supply (+5 V).
Tone latch.
Serial clock.
Serial data.
Serial latch.
Auto stop detect input.
Tuner mute.
Stereo.
IF. Data input.
A/D ground (0 V).
SIRCS input.
Control A1 Latch.
Signal.
Version.
Key A/D 4 to 1
A/D power supply (+5 V).
A/D reference voltage (+5 V).
Control-A1 out.
Control-A1 in.
RDS clock in.
STOP.
Ground.
Direct pass.
Surround relay.
Center relay.
Front relay.
Woofer relay.
+5 V.
Protector in.
Power relay.
Bass boost.
Speaker off.
Pin Name
VDD.+5V
S1
S2
V.MUTE
INITIALIZE
VIR CNTL
GND
AC.MUTE
D.LATCH
RESET
X2, X1
VSS. GND
N.C.
RDS.DAT.IN
VDD.+5v
T.LATCH
S.CLOCK
S.DATA
S.LATCH
AUTO.STOP
TUNER.MUTE
STEREO
IF.DATA.IN
GND.A/D
SIRCS
CTRLA1LAT
SIGNAL
VERSION
KEY4 to 1
VDD.A/D.+5V
VREF.A/D.+5V
CTRL-A1.OUT
CTRL-A1.IN
RDS.CLK.IN
STOP
VSS.GND
DIRECT.PASS
SUR.RY
CENTER.RY
FRONT.RY
W.RY
VDD.+5V
PROTECTOR.IN
POWER.RY
BASS.BOOST
SP.OFF
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71 to 78
79
80 to 88
89 to 100
I/O
O
O
—
O
I
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
O
O
Description
Volume –.
Volume +.
Not used (ground).
S. Mute.
System Power.
Not used (ground).
5.1/DVD input LED drive.
Set up LED drive.
Muting LED drive.
TUNE LED drive.
Surround LED drive.
NAME LED drive.
PHONO LED drive.
TUNER LED drive.
CD LED drive.
MD/TAPE LED drive.
TV/DBS LED drive.
VIDEO LED drive.
BASS/TREBLE LED drive.
B. BOOST LED drive.
Key Out 1 to 8 Fluorescent indicator tube drive.
Vee (–30V).
Key Out 9 to 17 Fluorescent indicator tube drive.
Fluorescent indicator tube drive.
Pin Name
VOL –
VOL +
GND
S.MUTE
SYS. POWER
GND
5.1.INPUT.LED
SET UP LED
MUTING.LED
TONE.LED
SURR.LED
NAME.LED
PHONO.LED
TUNER.LED
CD.LED
MD/TAPE.LED
TV/DBS.LED
VIDEO.LED
BASS/TREBLE LED
B.BOOST.LED
P1 to P8
VLOAD
P9 to P17
G12 to G1
— 39 —
48
VCS2
VCS1
VCS-TH
L+R-RCT
L-R-RCT
DCUT
DCUT
R-BPF3
R-BPF2
R-BPF1
CT
-OUT2
CT
-IN2
MIXOUT
C-OUT
S-OUT
R-OUT
L-OUT
VCC
CM-CAP
FCC-IN2
ENABLE
D
ATA
CLK
OSC1
NS-BPF1
NS-BPF2
VREF
S-DCUT
C-DCUT
L-DCUT
R-DCUT
VREF-BUF
L-IN
R-IN
GND
CT
-OUT1
CT
-IN1
FCC-IN1
L-BRF1
L-BRF2
L-BRF3
DCUT
DCUT
R-RCT
VCR-TH
VCR1
VCR2
47 46 45
44 43
42
41
40
39
38
37
36
35
34
33
32
31
30 29 28
L+R-RECT
27
26
25
P.S
VCS-LOG
OSC
DEC
N-GEN
N-BPF
N-OH
DIV
BAL-DET
BALCONT
VREF
VR
VR
VCRX8
COMB-NET
CMODE
SMUTE
C-TRIM
P
B
P
B
P
B
P
B
R
B
R
B
R-B.P.F.
L-B.P.F.
L-R-RECT
R-RECT
L-RECT
VLR-LOG
DUAL-TIME
P.S
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
V1
–5V
14
S1
13
V3
12
M
11
MON
10
NC
9
+5V
8
1
S2
2
AMP
V2
3
S2
4
VOUT2
5
GND2
6
GND1
7
AMP
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
S. DATA
T. LAT
+9V
–9V
GND
S. CLK
TONE
CE
BASS +
BASS –
COM
TREBLE –
TREBLE +
BASS +
BASS –
COM
TREBLE –
TREBLE +
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
IC301 (SURR BOARD)
CXA8079S
IC281 (SURR BOARD)
NJM2279D
IC401 (SURR BOARD)
TC9184P
IC501, IC701 (INPUT BOARD)
µPC2581V
— 40 —
SECTION 4
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
!
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
•
Abbreviation
CND
CND
: Canadian
AUS
: Australian
CH
: Chinese
MY
: Malaysia
SP
: Singapore
EA
: Saudi Arabia
EE
: East European
•
Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts of Color Cabinet’s Color
SONY
31
31
31
31
30
18
15
14
27
28
29
18
26
25
24
18
20
18
23
18
34
22
7
6
4
3
16
5
2
1
12
13
11
9
8
a
a
b
b
not supplied
#1
#1
#1
#1
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
4-1. FRONT PANEL SECTION
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