Sony SA-WSRD15 Service Manual ▷ View online
SA-WSRD15
5
5
SA-WSRD15
3-2. BLOCK DIAGRAM – AMP Section –
+
A
AMP BUS
BCK
D1
D2
DIGITAL POWER AMP
IC102
STREAM PROCESSOR
IC108
31 DATA
OVER LOAD
DETECT
Q103, 104
SYSTEM CONTROLLER
IC501 (2/3)
30 BCK
LRCK
29 LRCK
36 XFSIIN
21 SCDT
SCDT
SCK
BCK
LRCK
SCK
D3
BCK
LRCK
SCK
22 SCSHIFT
SHIFT
23 SCLATCH
LAT1
27 INIT
INIT
18 NSPMUTE
24 OVF FLAGR
25 FLAGL OVF
FLAGL OVF
FLAGL OVF
NSP MUTE
OVF2
X450
49.152MHz
L.P.F.
L.P.F.
OVF
19 SOFT MUTE
20 PGMUTE
SOFT MUTE
PGMUTE
19 SOFT MUTE
20 PGMUTE
SOFT MUTE
PGMUTE
19 SOFT MUTE
20 PGMUTE
SOFT MUTE
PGMUTE
OUTL1 11
OUTL2 9
OUTR1 6
OUTR2 4
XFSOIN 48
FSOCKO 37
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC109
31 DATA
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
SCDT
22 SCSHIFT
SHIFT
23 SCLATCH
LAT2
27 INIT
INIT
18 NSPMUTE
24 OVF FLAGR
25
NSP MUTE
OVF
OVF
OUTL1 11
OUTL2 9
OUTR1 6
OUTR2 4
XFSOIN 48
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC110
31 DATA
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
SCDT
22 SCSHIFT
SHIFT
23 SCLATCH
LAT3
27 INIT
INIT
18 NSPMUTE
24 OVF FLAGR
SCDT
SHIFT
LAT1
LAT2
LAT3
INIT
25
NSP MUTE
OUTR1 6
OUTR2 4
OUTL1 11
OUTL2 9
XFSOIN 48
FSOI 38
CLOCK
BUFFER
IC305
FRONT L
+
_
_
_
_
_
DIGITAL POWER AMP
IC101
OVER LOAD
DETECT
Q101, 102
L.P.F.
L.P.F.
FRONT R
+
J810
J820
OVER LOAD
DETECT
Q107, 108
OVER LOAD
DETECT
Q109, 110
OVER LOAD
DETECT
Q111, 112
L.P.F.
L.P.F.
SURR L
SPEAKERS
SURR R
+
DIGITAL POWER AMP
IC103
OVER LOAD
DETECT
Q105, 106
L.P.F.
L.P.F.
CENTER
+
DIGITAL POWER AMP
IC105
L.P.F.
L.P.F.
DIGITAL POWER AMP
IC104
/SD
PWM_BP
OUT_B
OUT_A
2
PWM_AP
17
13
/RST
4
29, 30
25, 26
PROTECT DETECT
Q301
DAMP_SCDT 1
DAMP_SHIFT 2
DAMP_LATCH1
DAMP_LATCH2
DAMP_LATCH3
DAMP_LATCH3
51
52
53
DAMP_INIT 54
NSP MUTE
OVF
NSP_MUTE 3
OVERFLOW1 49
OVF2
OVERFLOW2 50
SOFT MUTE
PGMUTE
3.3V
DAMP_SOFT_MUTE 55
DRIVE_OCP(DIAG) 48
DRIVE_RST(EN) 47
DIGITAL POWER AMP
IC106
L.P.F.
L.P.F.
/SD
PWM_BP
OUT_B
OUT_A
2
PWM_AP
17
13
/RST
4
29, 30
25, 26
/SD
PWM_BP
OUT_B
OUT_A
2
PWM_AP
17
13
/RST
4
29, 30
25, 26
/SD
PWM_BP
OUT_B
OUT_A
2
PWM_AP
17
13
/RST
4
29, 30
25, 26
/SD
PWM_BP
OUT_B
OUT_A
2
PWM_AP
17
13
/RST
4
29, 30
25, 26
/SD
PWM_BP
OUT_B
OUT_A
2
PWM_AP
17
13
/RST
4
29, 30
25, 26
• SIGNAL PATH
• The
signal path in diagram
requires the thing whose input
function is a tuner.
function is a tuner.
: TUNER
B
FAN SENS
SP830
(SUB WOOFER)
(Page 4)
(Page 6)
SA-WSRD15
6
6
SA-WSRD15
3-3. BLOCK DIAGRAM – POWER SUPPLY Section –
3
POWER CONTROL
IC901
D
(AC IN)
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
T902
F901
D908
ISOLATOR
PC901
B+ SWITCH
Q901
4 VCC
1 OCP/SYNC
5 FB/OLP
1
POWER CONTROL
IC921
DRAIN
4 VCC
6 FB/OLP
8 STARTUP
RECT
D931
D931
D932
ISOLATOR
PC903
SHUNT
REGULATOR
IC931
D922
D501
D910
D905
POWER ON/OFF
CONTROL
Q943, 947
AMP +30.5V
RECT
D943
D943
D502
BACK UP 3.3V
D506
E4V
VREF 3.5V
EVR 3.3V
20
AC_CUT
12
RESET
43
P_CONT1
SYSTEM
CONTROLLER
IC501 (3/3)
D906, 907
TH901
B+ SWITCH
Q921
ISOLATOR
PC902
DSP +1.8V
+3.3V
REGULATOR
IC943
STBY_LED
4
10
84
FL_DATA
35
LINE FILTER
LF901,902
RECT
D901
D901
+1.8V
REGULATOR
IC508
+1.8V
REGULATOR
IC303
D +3.3V
AMP +1.8V
RECT
D942
D942
A+5V
+5V
REGULATOR
IC510
+6V
44
P_CONT2
RECT
D941
D941
+12V
REGULATOR
IC941
+9V
REGULATOR
IC512
AMP+12V
D +9V
VOLTAGE
DETECT
IC505
RESET
SWITCH
Q505
FAN MOTOR
DRIVE
Q302 – 304
M801
(FAN)
(FAN)
M
B
FAN SENS
SHUNT
REGULATOR
IC951
5
9
13
12
7
3
11
FL_CLK
37
FL_STB
36
KEY1
97
KEY0
95
KEY-INT
74
SIRCS
STBY_LED
FL_DATA
FL_CLK
FL_CE
DD5V
DD5V
KEY1
KEY0
SIRCS
4
+5V
REGULATOR
IC942
CN800
SYSTEM
CONNECTOR
(Page 5)
SA-WSRD15
7
7
SA-WSRD15
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
2
: nonflammable resistor.
•
: 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.
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.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
under no-signal (detuned) conditions.
no mark : TUNER
(
) : VIDEO mode
∗
: Imposible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
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
: TUNER
J
: SPDIF
f
: VIDEO
•
The signal path in diagram requires the thing whose in-
put function is a tuner.
put function is a tuner.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
•
Indication of transistor
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
•
Waveforms
– MAIN Board –
20.8
µ
s
4 Vp-p
5
IC503
wa
(LRCK)
2 V/DIV, 10
µ
s/DIV
20.8
µ
s
4.2 Vp-p
q;
IC506
ql
(LRCKO)
2 V/DIV, 10
µ
s/DIV
4
IC503
w;
(BCK)
2 V/DIV,100 ns/DIV
324 ns
4.1 Vp-p
2
IC108
qf
(XFSOOUT)
1 V/DIV, 10 ns/DIV
20.6 ns
3.2 Vp-p
1
IC109
qf
(XFSOOUT)
1 V/DIV, 10 ns/DIV
20.6 ns
3.2 Vp-p
7
IC501
qd
(XOUT)
1 V/DIV, 100 ns/DIV
200 ns
3.2 Vp-p
3
IC503
ql
(CKOUT)
2 V/DIV, 50 ns/DIV
9
IC506
qf
(SCKOUT)
2 V/DIV, 50 ns/DIV
8
IC506
qs
(MCLK2)
2 V/DIV, 20 ns/DIV
qa
IC506
w;
(BCKO)
2 V/DIV,100 ns/DIV
324 ns
4.2 Vp-p
81.5 ns
4.2 Vp-p
82 ns
4.4 Vp-p
82 ns
4.2 Vp-p
71 ns
4.1 Vp-p
6
IC503
1
(XOUT)
2 V/DIV, 50 ns/DIV
SA-WSRD15
8
8
SA-WSRD15
3-4. PRINTED WIRING BOARD – MAIN Board (Component Side) –
: Uses unleaded solder.
•
Semiconductor
Location
Location
Ref. No. Location
D501
L-6
D502
L-6
D503
L-6
D504
K-6
D506
L-6
D914
H-10
D915
H-11
D923
L-9
D925
L-10
D932
E-9
IC101
E-7
IC102
E-6
IC103
E-5
IC104
E-4
IC105
E-3
IC106
E-2
IC108
G-6
IC109
G-4
IC110
G-2
IC303
G-6
IC305
F-6
IC501
K-4
IC502
H-2
IC503
H-3
IC504
I-2
IC505
K-5
IC506
I-5
IC507
I-6
IC508
J-6
IC510
L-2
IC512
L-3
Q505
K-5
Q943
E-9
Q947
E-9
R1001
R525
D502
R696
C581
R604
Q943
R684
L531
R616
R673
C508
R588
R683
FL514
R505
D932
C553
R676
R645
R512
R605
R503
R932
D506
R508
R312
C403
R940
IC512
R628
TH802
R627
R644
R310
C511
R698
R305
C568
R517
C523
R931
R602
R635
R601
RB604
RB605
R587
RB606
R625
R958
R514
R619
FB509
C583
RB602
RB603
R533
R636
R646
R547
R663
R501
R520
R641
C569
R554
D504
R552
R545
R582
X502
IC504
R690
R560
R568
R567
R565
R564
R563
C532
C531
R559
R569
C525
C550
C522
IC506
Q947
IC507
RB501
R949
RB502
R506
R513
R507
RB503
C510
RB504
R522
R572
R575
C582
R578
R597
R597
R580
R938
R937
R590
R301
R589
R540
R586
R585
R585
R511
RB601
RB507
R649
RB506
IC303
R574
R607
RB505
IC502
R695
R622
R614
R509
R603
R530
R618
R613
R504
R583
R536
C509
R519
R516
R510
R502
C504
C512
L501
IC501
R535
R694
R675
R968
D503
R697
R577
R515
R647
R643
C374
R538
R537
R573
C524
R617
D915
L502
R919
R952
R347
IC510
Q505
IC503
FB511
L532
R687
D925
D501
FB514
R946
D914
FB513
R681
IC508
R948
C406
C911
IC505
R911
C923
FB512
R539
D923
R909
R353
R356
R354
R357
R910
R521
R355
R358
R907
R682
R941
R523
R637
R544
R543
R606
R542
R524
R951
R541
R943
C513
R688
R689
FL505
R118
R119
R117
R116
R115
R114
R113
R112
R111
R109
R110
R108
IC101
IC106
C141
IC105
R348
R346
R141
C381
R303
IC104
IC103
R311
R320
R396
R374
R373
R151
R372
R161
R371
C189
C142
R306
R302
C402
C404
R308
R315
R314
R382
C405
R313
IC102
R345
R325
R321
R323
R322
R329
R393
IC108
R351
IC305
X450
R304
R143
R153
R163
C198
C144
R142
R152
R162
C190
C143
R144
R154
R164
C145
R146
R156
R166
R145
R155
R165
C200
C146
C199
R300
R344
R318
R378
R377
R376
R375
R324
R327
IC109
R316
R317
R381
R380
R379
C188
R328
R326
R319
IC110
C371
R990
X501
C350
C201
C202
C105
C207
C208
C203
C204
C205
C206
C272
C271
C114
C210
C209
R427
R139
1-866-828-
12
(11)
1
1
3
5
4
1
3
5
4
12
36
37
48
24
13
25
1
12
36
37
48
24
13
25
1
12
36
37
48
24
13
25
3
1
2
3
1
1
3
3
5
4
4
MAIN BOARD
(COMPONENT SIDE)
E
E
120
91
90
31
60
61
1
30
1
3
5
4
1
10
20
11
1
12
24
13
1
3
5
4
E
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
K
L
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