Sony TA-SB500WR2 Service Manual ▷ View online
TA-SB500WR2
5
2-3. TOP PANEL
2-4. SIDE PANEL, FRONT PANEL BLOCK
3
eight claws
4
top panel
2
1
screw
(BVTP3
(BVTP3
×
10)
3
side panel
2
2
1
six screws
(2.6
(2.6
×
6)
7
connector
(CN901)
(CN901)
6
7
connector
8
front panel block
4
two screws
(2.6
(2.6
×
6)
5
two claws
7
connector
(CN902)
(CN902)
TA-SB500WR2
6
2-5. DIAT POWER BOARD
2-6. DIAT AMP BOARD
1
two screws
(2.6
(2.6
×
6)
3
7
power shield
2
two claws
8
radiation sheet
(DMB)
(DMB)
8
radiation sheet
0
DIAT POWER board
9
fuse (F901)
5
four screws
(2.6
(2.6
×
6)
6
A sheet power
4
two connectors
(CN904)
(CN904)
6
two screws
(2.6
(2.6
×
6)
9
3
qg
radiation sheet
qa
sheet AMP
qd
two screws
(BVTP3
(BVTP3
×
6)
0
four screws
(2.6
(2.6
×
6)
qh
DIAT AMP board
qf
heat sink block
qs
AMP shield
1
two screws
(BVTP3
(BVTP3
×
8)
2
two screws
(BVTP3
(BVTP3
×
8)
4
cord bushing
5
back
panel
panel
7
two claws
8
two claws
TA-SB500WR2
7
7
TA-SB500WR2
3-1. BLOCK DIAGRAM
• SIGNAL PATH
: AUDIO
/RST
/SD
4 13
IC110
POWER DRIVER
IC112
POWER DRIVER
17 PWM_AP
2 PWM_BP
17 PWM_AP
2 PWM_BP
TB301
(+)
(–)
OUT_A
OUT_B
IC301
STREAM PROCESSOR
31 DATA
30 BCK
29 LRCK
30 BCK
29 LRCK
23 SCLATCH
18 NSPMUTE
19 SOFTMUTE
20 PGMUTE
18 NSPMUTE
19 SOFTMUTE
20 PGMUTE
21 SCDT
36 XFSIIN
22 SCSHIFT
6
OUTR1
9
OUTL2
4
OUTR2
11
OUTL1
Q108, 109
OVER LOAD
DETECT
/RST
/SD
4 13
SURROUND
L
(+)
(–)
Q105, 106
OVER LOAD
DETECT
SURROUND
R
IC107
SURROUND AMP CONTROLLER
48
XFSOIN
37
DRIVER_RST
38
DRIVER_OCP
17
AC CUT
19
/RESET
SPEAKER
Q107
PROTECT DETECT
IC114
OSC
X103
49.152MHz
61
DAMP_SCDT
60
DAMP_SHIFT
59
DAMP_LATCH
33
DAMP_PGMUTE
34
DAMP_SOFTMUTE
35
DAMP_NSPMUTE
23
22
X102
8MHz
X1
X0
42 LED_RED
41 LED_GREEN
D400
POWER/ON-LINE
LPF
LPF
LPF
LPF
29, 30
25, 26
OUT_A
OUT_B 29, 30
25, 26
IC102
RF DEMODULATOR,
A/D CONVERTER
60
DAOUT
10 ADVIN
54
BCK
59
LRCK
31
APX
SRDT
33
CSOD
61
DTVALID
J301
DIR-R1
X101
12.288MHz
40
43
OSCI
OSCO
34
53 DIAT_SRDT
15 CSOD
14 DTVALID
LPF
VCC2
35
SWDT
SCMODE
37
SCLK
36
/XSCEN
52 DIAT_SWDT
13
/XRST
26 XRST_INIT
38
48 SCMODE
51 DIAT_SCLK
50 XSCEN
IC106
LEVEL
SHIFT
IC109
LEVEL
SHIFT
IC103
LEVEL
SHIFT
27 INIT
1
POWER CONTROL
IC901
D
(AC IN)
S901
F901
TH901
POWER
TRANSFORMER
T901
D911
D908
D910
D907, 909
RECT
D901
D901
LINE FILTER
ISOLATOR
PC903
OVER LOAD
PROTECT
Q902, 903
4 VCC
7 OCP/BD
5 OLP/SS
ISOLATOR
PC902
TH902
RECT
D921
D921
+27.5V
+12V
POWER
D300
REGULATOR
Q901
ISOLATOR
PC901
6 FB
AC CUT
Q110
PROTECTOR
Q300
RESET SWITCH
Q102
LED DRIVE
Q104, 112
LED DRIVE
Q103, 111
VOLTAGE
DETECT
IC105
SHUNT
REGULATOR
IC905
+12V
REGULATOR
IC903
VCC2
+2.5V
+3.3V
+2.5V
REGULATOR
IC104
+1.8V
+1.8V
REGULATOR
IC113
+1.5V
+1.5V
REGULATOR
IC101
DC/DC
CONVERTER
IC904
+3.3V
REGULATOR
IC108
57
MAIN_OFF
SECTION 3
DIAGRAMS
TA-SB500WR2
8
8
TA-SB500WR2
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Boards:
•
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.
•
DIAT AMP board is multi-layer printed board.
However, the patterns of intermediate layers have not been
included in diagrams.
However, the patterns of intermediate layers have not been
included in diagrams.
•
Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
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.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Note: When mesurering voltages and waveforms, con-
under no-signal (detuned) conditions.
Note: When mesurering voltages and waveforms, con-
nect with HCD-SB500W (HCD-SB500W states:
DVD play).
DVD play).
no mark : DVD PLAY
∗
: Impossible 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
: AUDIO
•
Waveforms
– DIAT AMP Board –
20.3 ns
3.4 Vp-p
125 ns
3.4 Vp-p
325 ns
3.2 Vp-p
82 ns
2.9 Vp-p
1 V/DIV, 50 ns/DIV
1 V/DIV, 200 ns/DIV
1 V/DIV, 50 ns/DIV
2 V/DIV, 10 ns/DIV
IC102
rd
(OSCO)
2
IC102
tf
(BCK)
3
IC107
wd
(X1)
4
IC114
4
1
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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