Sony TA-SB500WR User manual

SERVICE MANUAL
SURROUND AMPLIFIER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
SPECIFICATIONS
TA-SB500WR
Ver 1.1 2007.02
9-879-016-02
2007B05-1
© 2007.02
Sony Corporation
Home Audio Division
Published by SonyTechno Create Corporation
•TA-SB500WR is the amplifier section in DAV-LF10/
DAV-SB500W/WAHT-SD1.
•Refer to the supplement-1 of this service manual for
TA-SB500WR in WAHT-SD1.
AUDIO POWER SPECIFICATIONS
for the US model
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION: With 4 ohm loads, both
channels driven, from
200 – 20,000 Hz; rated
65 watts per channel
minimum RMS power,
with no more than 0.7 %
total harmonic distortion
from 250 milli watts to
rated output.
Amplifier section
Stereo mode (rated) 86 W + 86 W (4 ohms at
1 kHz, THD 10 %)
Surround mode (reference) music power output
for DAV-LF10: 86 W*
(with SS-TSL11)
for DAV-SB500W: 96 W + 96 W*
(with SS-TS11)
*Depending on the sound field settings and the source,
there may be no sound output.
Surround amplifier
Power requirements
North American models: 120 V AC, 60 Hz
Taiwan model: 120 V AC, 50/60 Hz
Other models: 220-240 V AC, 50/60 Hz
Power consumption 36 W (120 V AC)
36 W (220-240 V AC)
Dimensions (approx.) 65 ×90 ×335 mm
(2 5/8×3 5/8×13 1/4
inches) (w/h/d) incl.
speaker cord cover
Mass (approx.) 1.3 kg (2 lb 14 oz)
Design and specifications are subject to change
without notice.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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2
TA-SB500WR
TABLE OF CONTENTS
1. GENERAL ................................................................... 3
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 4
2-2. Wire Cover ...................................................................... 4
2-3. Top Panel ......................................................................... 5
2-4. Side Panel, Front Panel Section....................................... 5
2-5. DIAT POWER Board ...................................................... 6
2-6. DIAT AMP Board ............................................................ 6
3. DIAGRAMS
3-1. Block Diagram ................................................................ 7
3-2. Schematic Diagram – DIAT AMP Board (1/3) – ........... 9
3-3. Schematic Diagram – DIAT AMP Board (2/3) – ........... 10
3-4. Schematic Diagram – DIAT AMP Board (3/3) – ........... 11
3-5. Printed Wiring Board
– DIAT AMP Board (Component Side) – ....................... 12
3-6. Printed Wiring Board
– DIAT AMP Board (Conductor Side) – ......................... 13
3-7. Printed Wiring Boards – POWER SUPPLY Section –... 14
3-8. Schematic Diagram – POWER SUPPLY Section – ....... 15
4. EXPLODED VIEWS
4-1. Panel Section ................................................................... 20
4-2. DIAT AMP/DIAT POWER Boards Section .................... 21
5. ELECTRICAL PARTS LIST................................ 22
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
•Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
•Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS
QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT
DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antennaterminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’instructions to use these
instruments.
2. A battery-operatedAC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operatedAC voltmeter. The “limit”indication
is 0.75V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2VAC range are suitable. (See
Fig. A)
Fig. A. Using an AC voltmeter to check AC leakage.
1.5 k
Ω
0.15
µ
FAC
voltmete
r
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
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TEL 13942296513 QQ 376315150 892498299
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3
TA-SB500WR
SECTION 1
GENERAL This section is extracted from
instruction manual.
Surround amplifier
APOWER
BPOWER/ON LINE indicator
CDIR-R1 jack
DSPEAKER jacks
DIR-R1
SPEAKER
SURROUND
L
SURROUND
R
POWER
POWER ON-LINE
Front panel Rear panel
LOCATION OF CONTROLS
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
4
Note: Follow the disassembly procedure in the numerical order given.
2-2. WIRE COVER
•This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
SECTION 2
DISASSEMBLY
2-2. WIRE COVER
(Page 4)
2-3. TOP PANEL
(Page 5)
2-4. SIDE PANEL,
FRONT PANEL SECTION
(Page 5)
2-5. DIAT POWER BOARD
(Page 6)
2-6. DIAT AMP BOARD
(Page 6)
SET
4
wire cover
3
two claws
2
wire (A) holder
1
screw (B3
×
8)
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
5
2-3. TOP PANEL
2-4. SIDE PANEL, FRONT PANEL SECTION
3
eight claws
4
top panel
2
1
screw
(DIA. 2.6)
3
side panel
2
2
1
six screws
(DIA. 2.6)
7
connector
(CN901)
6
7
connector
8
front panel section
4
two screws
(BVTP3
×
10)
5
two claws
7
connector
(CN902)
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
6
2-5. DIAT POWER BOARD
2-6. DIAT AMP BOARD
1
two screws
3
7
AMP shield
2
two claws
8
two radiation sheets
(DMB)
9
DIAT POWER board
5
four screws
(DIA. 2.6)
6
A sheet power
4
two connectors
(CN904, CN905)
6
two screws
(DIA. 2.6)
9
3
qg
radiation sheet
(AMP)
qa
sheet AMP
qd
two screws
(BVTP3
×
6)
0
four screws
(DIA. 2.6)
qh
DIAT AMP board
qf
heat sink assy
qs
AMP shield
1
two screws
(DIA. 2.6)
2
two screws
(BVTP3
×
10)
4
cord stopper
5
back panel
7
two claws
8
two claws
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
77
TA-SB500WR
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
• SIGNAL PATH
: AUDIO
/RST
/SD
413
IC110
POWER DRIVER
IC112
POWER DRIVER
17 PWM_AP
2PWM_BP
17 PWM_AP
2PWM_BP
T100
(+)
(–)
OUT_A
OUT_B
IC111
STREAM PROCESSOR
31 DATA
30 BCK
29 LRCK
23 SCLATCH
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
413
SURROUND
L
(+)
(–)
Q105, 106
OVER LOAD
DETECT
SURROUND
R
IC107
SURROUND AMP CONTROLLER
48
XFSOIN
37
DRIVE_RST
38
DRIVE_OCP
17
AC CUT
19
/RESET
58
V_CONT
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
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
J100
DIR-R1
X101
12.288MHz
40
43
OSCI
OSCO
34
53 DIAT_SRDT
15 CSOD
14 DTVALID
LPF
IF +5V
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
TH901
POWER
TRANSFORMER
T901
D911
D908
D910
D907, 909
RECT
D901
LINE FILTER
LF901, 902
ISOLATOR
PC903
OVER LOAD
PROTECT
Q902, 903
4VCC
7OCP/BD
5OLP/SS
ISOLATOR
PC902
TH902
RECT
D921
+30V
+12V
POWER
+20V
REGULATOR
Q901
ISOLATOR
PC901
6FB
AC CUT
Q110
RESET SWITCH
Q102
LED DRIVE
Q104, 112
LED DRIVE
Q103, 111
VOLTAGE
DETECT
IC105
SHUNT
REGULATOR
IC905
+12V
REGULATOR
IC903
IF +5V
+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
D400
POWER/ON-LINE
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
88
TA-SB500WR
•Note for PrintedWiring 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: Partsonthepatternfaceside seenfrom
(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.
•Indication of transistor.
C
BThese are omitted.
E
Q
B
These are omitted.
CE
Q
Note on Schematic Diagram:
•All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
•All resistors are in Ωand 1/4W 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-
nect with HCD-SB500W (HCD-SB500W states:
DVD play).
no mark : DVD PLAY
∗: Impossible to measure
•Voltages aretaken withaVOM(Input impedance10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
•Circled numbers refer to waveforms.
•Signal path.
F: AUDIO
•Abbreviation
TW :Taiwan model
Note: The components identified by mark 0or dotted line
with mark 0are critical for safety.
Replace only with part number specified.
•Waveforms
– DIAT AMP Board –
20.3 ns
4.5 Vp-p
125 ns
3.5 Vp-p
325 ns
2.5 Vp-p
81.3 ns
2.5 Vp-p
1 V/DIV, 50 ns/DIV
1 V/DIV, 100 ns/DIV
1 V/DIV, 50 ns/DIV
2 V/DIV, 10 ns/DIV
IC102 rd (OSCO)
2IC102 tf (BCK)
3IC107 wd (X1)
4IC114 4
1
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
99
TA-SB500WR
R110
FB102
FB110
R119
R118
R120
R313 R314C120
C116 R109
C132
C128
R116
C131
C134 C140
C130C119
FB104
C142
IC104
R117 C138
L104 10µHFB103
R111
FB101
C110
C111
R102
R104
C108
C135 C136
C127
FB109
X101
R108
R106
C114
C115
R105
C109 C107
C141R115
R114
C126C123
R103
C104
C103
R113R112
C122 C125
R101
C102
C101
IC103
R142
R129 C253 R131
R253
R152R171C143
R123
R124
C147
D102
R121
R122 C148
C152
C146
C145
D110
C150 C151 R127
R258
R257
R126R139
C156
R143
R148
R147
R146
R262
R261
R260
R151
R149
R150
R254
C154
C155
C153
C158
C159
C157
R138
R137
R144
R145
R141
FB107
R136
R165
R259
C149
IC106
R135
R256
C137
FB105
C160 C161C163
C162
Q111
Q103
R252
FB106
EB102
C113
R128
R100
R125
Q110
C124 C129
CNP102
CNP103
IC107
X102
Q102
IC101
C133
IC102
J100
C105 R311
R312
R140
Q112 Q104
IC105
1k
1k
1k
1k
2.2k 4.7k0.01
0.1 3.3k
1
47 16V
68
1
110
50V
0.10.1
0.01
TK11225CMCL-G
10k 0.1
220
0.1
0.01
820
3.3k
0.1
L102
10µH
L103
10µH
0.1
L105
10µH47
16V
0.1
12.288MHz
100
100
0.001
0.001
47k
0.1 47
16V
0.1100
100
100p100p
330
47
16V
0.1
100100
100p 100p
10k
10
50V
0.1
TC74VHCT08
AFT(EL)
100
100 0.22 47k
47k
10047k0.1
22k
47k
0.001
MA111-TX
2.2k
10k 0.1
0.1
0.1
0.22
1SS355
100
10V 0.1 47k
47k
47k
1k100
L107
10µH
L108
10µH
100p
0
100
100
100
100
100
100
100
100
100
10k
10p
100p
100p
100p
100p
100p
100
100
100
100
100
100
1k
1k
0.1
TC74VHCT08
IC108
µPC2933T-E2
AFT(EL)
10k
3.3k
10
50V
0.01 100
16V
100
10V
0.01
DTA114EKA-
T146
DTC114EKA-
T146
10k
0.1
10k
150
150
DTA114EKA-
T146
10p 33p
3P
6P
MB89537APFM
-G-565-BNDE1
8MHz
2SC1623-T1
-L5L6
XC62HR1502MR
0.1
L106
10µH
CXD4017R
0.01
L101
47µH0
4.7k
100
DTA114EKA-
T146
DTC114EKA-
T146
PST3629NR
A1
A2
A3
B1
B2
B3
B4
B5
SCDT
SCSHIFT
SCLATCH
SRDT
SRDT
CSOD
CSOD
DTVALID
DTVALID
BCK
LRCK
DAOUT
SCMODE
SCMODE
XSCEN
XSCEN
D_SCLK
D_SCLK
D_SWDT
D_SWDT
APX
OFF
OFF
CUT
CUT
CONT
CONT
P-MUT
S-MUT
N-MUT
DGND
V-CONT
DGND
AC-CUT
5V
MAIN-OFF
CSOD
SRDT
SWDT
XSCEN
SCLK
SCMODE
VSS
OSCI
VDDE
VSS
OSCO
TEST0
TEST1
TEST2
TEST3
TEST4
TEST5
TEST6
TEST7
SYMCLK
ICLK
VDDE
VSS
VDDI
DTVALID
EMPFS0
EMPFS1
XTST
MST
XSM
SMCK
VDDE
VSS
ADVRH
ADAVS
ADAVD
ADVRL
ADVIN
VDDE
VSS
XRST
DIFM0
DIFM1
DTSEL
PLREF
PLVAR
TESTMD
APVCI
APCPO
APAVD
APAVS
VSS
VDDI
VDDE
VCOR
CHNUM
DIVCODE
APX
EXTCK
VSS
NC
XSCEN
VCC
DIAT_SWDT
DIAT_SRDT
DIAT_SCLK
V_CONT
SI2
INT24
DAMP_SCDT
DAMP_SHIFT
DAMP_LATCH
T_SENSE
MAIN_OFF
P10
SCMODE
DRIVE_OCP
DRIVE_RST
DAMP_NSPMUTE
DAMP_SOFTMUTE
DAMP_PGMUTE
LED_GREEN
LED_RED
DRIVE_OTW
MOD2
AVCC
AVR
DTVALID
AVSS
CSOD
MODEL
SIMUKE
MOD0
MOD1
X0
X1
VSS
P23
FS2_EX
XRST_INIT
AC CUT
P22
/RESET
NC VIN CE
VOUT VSS
GND
CNT
CNP
IN
OUT
GND
RED
GND
GRN
(1/3)
+2.5V REGULATOR
LEVEL SHIFT
+3.3V REGULATOR
G
OI
Q103,104,111,112
LED DRIVE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
SURROUND AMP
CONTROLLER
AC CUT
RESET SWITCH
LEVEL SHIFT
+1.5V REGULATOR
DAOUT
LRCK
TXOUT
BCK
DIR-R1
A/D CONVERTER
RF DEMODULATOR
VOLTAGE
DETECTOR
3-2. SCHEMATIC DIAGRAM – DIAT AMP Board (1/3) – •See page 8 forWaveforms. •See page 16 for IC Block Diagrams. •See page 18 for IC Pin Function Description.
(Page 15)
(Page 15)
(Page 10)
(Page 11)
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3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
1010
TA-SB500WR
C243 C188
R178
R212 R166
C186
R168
R176
R174
R175 R181 R183
R213 C240
R179
R173
R214 R215 C242R197
C215
R196
R192
R193
C244
R190
C211
R188
C235C199
C238
R203
R225R224R219R218R217R216
C221
C222
R198R189
C208
C207
C231C203
R186
D115
R222
C177 C197
C190
C191
R180R167
C180
C181R164
C201C200
R185 R220
C170
IC110
Q107
R155C166 C168
R263
D105D104
C184
C183 R169C182
C185 C193
C189R177 C194
C192
R159R157
R158
R195 C218 C224R191C210C209
C213
C212 C216
C217
D107D106
R204
R205
R206
R207
R209
R208
R210
R211
Q105
Q106
Q108
C165
R154
R153 R156
C169
Q109
IC112
T100
C259C258C257C256
0.1 0.01
100
22k 0
0.1
0
0
0
560 560 560
22k 47p
0
560
22k 22k 47p0
0.01
100
0
0
0.1
0
0.1
0
2200
35V
2200
35V
1
0
10k10k10k10k10k10k
0.22
0.22
3.33.3
0.22
0.22
0.0330.033
0
MA8027
100
0.033 0.033
0.22
0.22
3.33.3
0.22
0.220
11
0 100
1
CXD9774M
2SC1623-T1
-L5L6
100k2.2 47
16V
4.7k
P6SMBJ33A-5P6SMBJ33A-5
1
0.0022 2.70.0022
0.047 0.047
0.00222.7 0.0022
1
100k
L112
10µH
L115
10µH
L118
10µH
L121
10µH
100k
100k
2.7 0.0022 0.00222.70.00220.0022
0.047
11
0.047
P6SMBJ33A-5P6SMBJ33A-5
10k
10k
10k
10k
10k
10k
10k
10k
2SA1602TP-
1EF
2SA1602TP-
1EF
2SA1602TP-
1EF
2.2
100k
100k 100k
2.2
2SA1602TP-
1EF
CXD9774M
0.010.010.010.01
A2
A3
C1
C2
C3
C4
OUTL1
OUTL2
OUTR1
OUTR2
(2/3)
POWER DRIVER
DETECT
PROTECT
POWER DRIVER
Q105,106,108,109
OVER LOAD DETECT
SPEAKER
3-3. SCHEMATIC DIAGRAM – DIAT AMP Board (2/3) – •See page 16 for IC Block Diagrams.
(Page 9)
(Page 11)
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6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
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TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
1111
TA-SB500WR
C176
R172
R184 C198
C195
C202
C187C196
C178
C173
IC111
C233
C230
C206
C205
C204
R187
R194
C220
C219 C237
R200
R201
IC114
C223
C229
C226
IC113
C214
C225
EB101
C234
R199
C232
C228
C227 C236
CNP106
R161
R160
C174
C175
R163
R162
C167
C171
C172
C179
FB108
X103
IC109
0.1
100
0 0.1
0.1
47
16V
0.10.1
L110
10µHL111
10µH
L116
10µH
L109
10µH
L122
1µH
47
16V
0.1
CXD9788AR
0.01
22
25V
0.1
0.1
0.1
0
22
10p
0.001 5p
1M
100
MC74VHC1GU04
0.01
100
16V
0.1
NJM2870F18
100
16V
100
16V
0.01
100k
0.01
100
10V
0.1 0.1
6P
100
100
100p
100p
100
100
0.1
100p
100p
47
16V
49.152MHz
TC74VHCT08
AFT(EL)
B1
B2
B3
B4
B5
C1
C2
C3
C4
SCDT
SCSHIFT
SCLATCH
BCK
LRCK
DAOUT
APX
P-MUT
S-MUT
N-MUT
OUTL1
OUTL2
OUTR1
OUTR2
GND
GND
GND
12V
30V
30V
(3/3)
(CHASSIS)
+1.8V REGULATOR
GND
VOUT
N.B.
VIN
CONT
GND
VDD
STREAM PROCESSOR
LEVEL SHIFT
OSC
3-4. SCHEMATIC DIAGRAM – DIAT AMP Board (3/3) – •See page 8 forWaveform. •See page 16 for IC Block Diagram.
(Page 9)
(Page 10)
(Page 15)
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6
3
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Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
1212
TA-SB500WR
3-5. PRINTED WIRING BOARD – DIAT AMP Board (Component Side) – :Uses unleaded solder.
R252
C240
R214
R213
IC102
C166
R111
C180
Q107
C124
C129
R212
R215
R155
R112
R137
C120
R172
R120
R119
R116
C131
C105
R127
IC101
R102
R104
C111
C110
C108
R218
C142
R117
R101
L103
IC103
R167
FB102
L102
R110
R109
C116
C190
R145
C207
R180
C132
R189
R114
C181
C191
FB101
R199
IC110
R253
R131
R140
C113
C222
C159
C221
C158
Q105
C165
R144
R198
R141
C126
C125
C169
C208 C123
C122
R115
IC113
R113
C174 X101
Q111
X102
IC105
IC112
R160
R311
C233
R259 C253
C234
L101
R261
R262
R257
R258
C156 R121
R122
R128
R129
R124
C145
C146
C147
C148
Q102
C143 R123
D102
D110
Q112
Q108
R118
R163
R162
R161
IC109
R260
R152
R151
R150
C242
R135
R149
R148
R147
R173
R175
R181
R183
R187
R184
R146
IC114
X103
R193 R192
R190
C186
R217
C244 C211
R168
R174
R176
IC107
IC106
IC104
R216
R219
R224
R225
IC111
C243
1
1
1
3
5
4
3
54
17
7
1
13
54
8
14
148
17
43
61
148
16
1
64
49
17
32
3348
13
12
1
54
13
1
18
36
19
1
18
36
19
E
36
25
24
48 37
16
48
33
32 17
49 64
E
E
E
E
E
1-862-468-
12
(12)
(COMPONENT SIDE)
DIAT AMP BOARD
A
B
C
1 2 3 4 5 6 7 8 9
•Semiconductor
Location
Ref. No. Location
D103 B-1
D104 C-6
D105 B-6
D106 B-6
D107 B-6
D115 B-5
IC108 B-4
Q103 B-3
Q104 B-3
Q106 C-8
Q109 C-8
Q110 A-1
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3
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3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
1313
TA-SB500WR
3-6. PRINTED WIRING BOARD – DIAT AMP Board (Conductor Side) – :Uses unleaded solder.
CNP102
CNP106
CNP103
C199
C229
C235
EB101
EB102 C214
J100
C161
C128
C163
L112
C137
C136
C104 C107
C102
L115
C168
L118
C228
L121
T100
C225
C150
C140
C230
C179
C202
C178
Q110
Q106
R171
R222
FB109
C259
C152
C167
R100
R125
R196
C257
R220
C226
C195
R210
R143
C151
L106
C133
L109
L107
C130C119
R108
C114
R165
R136
R126
C115
R105
C157
R103
D115
R178
C162
C160
C185
FB106
C177
FB107
C155
R164
C154
C135
C138
C197
C103
C101
C256
C153 C182
C213
R106
R186
C183
C200
C203
C231
C193
R169
C236
R177
C170
R185
C189
R142
C209
R211
C210
C238
R139
C217
R191
R159
R154
R195
C201
R156
C194
R203 C218
C232
C171
Q109
R153
R254
R157
L104
FB104
FB105
IC108
C109
R158
C258
L105
C175
L108
C224
R209
R206
R204
C223
C227
C127
C141
C134
R205 R207
R208
L111
FB108
L110
C187
R200
C219
R201
C237
L122
C220
C172
C176 C173
R194
L116
C205
C206
C196
C198
R188
R197
C215
C188
R179
R166
D105
D106
D107
D104
R138
Q104
Q103
FB103
R312
R313
R314
R263
C204
C149
C212
C216
C192
C184
R256
E
E
E
E
E
(CONDUCTOR SIDE)
DIAT AMP BOARD
1-862-468-
12
(12)
–+
SPEAKER
(CHASSIS)
DIR-R1
–+
SURROUND
R
SURROUND
L
(CHASSIS)
16
61
DIAT POWER
BOARD
CN904
C
DIAT POWER
BOARD
CN905
B
1
3
POWER LED
BOARD
CNP400
A
13
2
A
B
C
1 2 3 4 5 6 7 8 9 10
D102 B-8
D110 B-9
IC101 C-8
IC102 C-7
IC103 B-7
IC104 C-6
IC105 B-9
IC106 B-7
IC107 B-8
IC109 C-6
IC110 C-4
IC111 B-5
IC112 B-4
IC113 A-5
IC114 B-5
Q102 B-9
Q105 B-2
Q107 A-3
Q108 C-2
Q111 A-8
Q112 A-8
•Semiconductor
Location
Ref. No. Location
(Page 14) (Page 14) (Page 14)
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3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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TA-SB500WR
1414
TA-SB500WR
3-7. PRINTED WIRING BOARDS – POWER SUPPLY Section – :Uses unleaded solder.
HS1
HS2
FH902
C901
CN903
JW906
JW917
JW914
TH901
EB901
R902
LF902
R903
R904
LF901
C931
C904
D904
R924
D901
JW901
R925
JW913
JW902
C925
D902
C909
D908
R908
C913
D922
D905
R912
R917
Q901
C941
PC903
EB902
R922
JW909
D915
C935
C936
C938
R913
L903
JW911
JW910
T901
FH901
IC903
JW905
PC901
C905
C908
JW908
D921
D911
JW915
D906
JW904
C903
R906
JW907
C915
JW912
JW903
R905
IC901
C902
PC902
F901
LP1
CN904
L901
CN905
JW916
JW918
C932
D914
D913
C914
D909
R914
Q903
D907
C917
R926
C911
R923
D933
C940
R919
C918
R909
C912
R920
R948
R911 R916
R921
C916
R938
D910
Q902
TH902
R947
R945
R940
R932
R933
R934
R935
R936
R939
R941
R942R943
R944
R946
R931
C934
C933
C937
C942
R937
L904
IC905
IC904
R915
C910
C907
R907
D934
R910
D400
CNP400
CN901
CN902
S901
C906
E
E
E
1
1
4
8
5
7
1-862-455-
11
(11)
DIAT POWER BOARD
DIAT LED BOARD
1-862-845-
11
(11)
DIAT SWITCH BOARD
1-862-456-
11
(11)
(CHASSIS)
(CHASSIS)
1
2
21
A
A
K
A
1
1
7
2
3
K
1
1
3
2
3
54
67
POWER
TRANSFORMER
DIAT AMP
BOARD
CNP106
C
DIAT AMP
BOARD
CNP103
B
POWER/ON LINE
1
2
1
3
DIAT AMP BOARD
CNP102
A
(AC IN)
POWER
A
B
C
D
E
1 2 3 4 5 6 7 8
(EXCEPT US, TW) (EXCEPT US, TW)
(TW)
(TW)
(EXCEPT TW)
(EXCEPT US)
D400 D-3
D901 B-5
D902 A-4
D904 C-5
D905 C-6
D906 C-5
D907 C-5
D908 C-5
D909 C-5
D910 C-4
D911 C-6
D913 C-5
D914 C-5
D915 C-5
D921 B-2
D922 C-2
D933 B-1
D934 B-2
IC901 B-4
IC903 B-2
IC904 C-3
IC905 B-3
Q901 C-6
Q902 C-5
Q903 C-5
•Semiconductor
Location
Ref. No. Location
(Page 13)
(Page 13)
(Page 13)
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6
3
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Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com

TA-SB500WR
1515
TA-SB500WR
D901
TP909
D904
CNP400
CN902
CN901
EB901
TH901
R923
C912
R911
R907
C910
D908
R909
R926
TP912
D911
C913
TH902
D913
R921C917
R920
Q903
C916
D914
C914
R913
D907
D909
R912
TP913
R910
D906
D905
R914
D902
R916
R915
D910
C925
R947
EB902
R938
R945
D921
C933
TP910
TP911
R919
C915
C932 R939
C934
R931
R933
R932
C935 R936 R937
R935
R948
R940 R941
C940C942
TP907
R944
R942 R943
C941
D922
C936 C937
TP903
TP905
D933
TP906
TP908
R946
TP901
TP902
TP904
C938
D934
CN903
CN904
CN905
R934
D915
IC903
Q902
IC904
IC905
PC902
PC901
PC903
T901
R917 R922
C907 C918 R906
C906
R925R924R905
LF902
R904
C905
C902
C903
R902
R908
F901
LF901
Q901
IC901
D400
C909
C931
C911
C904C901
S901
D3SB60F3
MAIN-OFF
11EQS10
3P
2P
2P
0
0.1
1k
0
470p
11EQS10
1k
10k
VIN
10EDB60
22
50V
UDZS-TE-17
-6.2B
68k0.01
4.7k
DTC144EKA
0.01
UDZS-TE-17
-10B
0.0033
820
1SS355
1SS355
1k
GND
100
MTZJ-T-77
-20B
MTZJ-T-77
-33B
4.7k
SARS03
22
22
UDZS-TE-17
-9.1B
0.001
250V
0
1k
2.2k
FML-22S
0.1
VOUT
GND
1.5k
47
35V
1000
35V 1k
0.01
22k
47k
3.3k
100
16V 2.2k 390
3.9k
390
11
220p0.1
V-CONT
1k
1.5k 1.5k
470
10V
11EQS04
-TA1B
100
35V 0.1
GND
5V
L903
220µH
L904
10µH
UDZS-TE-17
-10B
DGND
AC-CUT
100
30V
GND
12V
100
16V
UDZS-TE-17
-18B
2P
7P
7P
4.7k
L901
10µH
MTZJ-T-77-33B
TA7812S
DTA114EKA
NJM2374AE
NJM431U
PC123
PC123
PC123
3300p
630V
0.1
275V
1M
1/2W
∗
∗
∗
∗
F901
T3.15AL 250V (EXCEPT US, TW)
5A 125V (US, TW)
2SD1616A
SPR-54MVWF
2.2
50V
4700p
1kV
100p
100V
0.22
275V
0.22
275V
GND
GND
GND
5V
DGND
DGND
V-CONT
AC-CUT
MAIN-OFF
12V
NUTRAL
LIVE LIVE
NUTRAL
GND
RED
GREEN
(CHASSIS)
(CHASSIS)
30V
30V
+12V REGULATOR
G
OI
DC/DC
CONVERTER
GND
GND
CS
ES
CT
IN+
V+
SI
SHUNT REGULATOR
ISOLATOR
ISOLATOR
ISOLATOR
TRANSFORMER
POWER
REGULATOR
Q902,903
OVER LOAD
PROTECT
POWER CONTROL
POWER
(AC IN)
+20V
POWER/ON LINE
(EXCEPT US)
∗
C902, 903
470p 250V (EXCEPT US, TW)
2200p 250V (US, TW)
∗∗
∗
R917, R922
47k (EXCEPT US, TW)
33k (US, TW)
∗
∗
C906
100 450V (EXCEPT TW)
330 200V (TW)
∗∗
R906
100k 2W (US, TW)
82k 2W (EXCEPT US, TW)
∗
∗∗∗
∗
R905, R924, R925
15k (US, TW)
22k (EXCEPT US, TW)
∗
C907
0.01 630V (US, TW)
3300p 630V (EXCEPT US, TW)
C908
3300p 1.2kV (US, TW)
680p 1.5kV (EXCEPT US, TW)
∗
∗
R908
0.15 2W (US, TW)
0.33 2W (EXCEPT US, TW)
STR-W6735N (US, TW)
STR-W6765N (EXCEPT US, TW)
(EXCEPT US, TW)
(EXCEPT TW)
(TW)
(EXCEPT US. TW)
R903
3-8. SCHEMATIC DIAGRAM – POWER SUPPLY Section – •See page 16 for IC Block Diagrams.
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replace only with part number specified.
(Page 9)
(Page 11)
(Page 9)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-SB500WR
1616
TA-SB500WR
IC101 XC62HR1502MR
•IC Block Diagrams
– DIAT AMP Board –
+
–
3OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2 5
CURRENT
LIMIT
NC
VIN
CE
VSS
VOUT
IC102 CXD4017R
ADVRH 6
VSS 5
VDDE 4
TEST14 3
TEST13 2
TEST12 1
ADAVS 7
ADAVD 8
ADVRL 9
ADVIN 10
VDDEE 11
VSS 12
XRST 13
DIFM0 14
DIFM1 15
TEST15 16
A/D
CONVERTER
BUFFER
RAM
ERROR
CORRECTOR
OUTPUT
INTERFACE
DEMODULATOR
PLREF
17
TEST16
19
APVCI
20
VSS
21
APCPO
22
APAVD
23
APAVS
24
APX
31
EXTCK
32
VSS
25
VDDI
26
VDDE
27
VCOR
28
CHNUM
29
DIVCODE
30
PLVAR
18
PLL CLOCK
SELECTOR
CONTROLLER
CSOD33
SRDT34
SWDT35
XSCEN36
SCLK37
SCMODE38
OSCI40
TEST044
TEST145
TEST246
TEST347
TEST448
OSCO43
VSS39
VDDE
41
VSS
42
CLOCK
GENERATOR
TEST11
64
EMPFS1
63
EMPFS0
62
DTVALID
61
DAOUT
60
LRCK
59
VDDI
58
VSS
57
VDDE
56
BCK
54
TEST10
55
TEST9
53
TEST8
52
TEST7
51
TEST6
50
TEST5
49
IC104 TK11225CMCL-G
1 2 3
6 4
CONT
GND
NP
VIN
5
GND
VOUT
CONTROL
CIRCUIT
BANDGAP
REFERENCE
CONSTANT
CURRENT
SOURCE
OVER HEAT &
OVER CURRENT
PROTECT
IC105 PST3629NR
VDD 2
OUT 1
GND 3
+
–
VREF
CD5
NC
4
IC110, 112 CXD9774M
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
DVDD 12
DREG 8
DGND 9
DGND 14
GND 16
GND 18
PWM
RECEIVER
TIMING
CONTROL
&
PROTECTION
SD 13
OTW 15
DIGITAL
REGULATOR
PROTECTION
LOGIC
OT
&
UVP
DVDD DREG DREG
DGND
PWM AP 17 PWM
RECEIVER
DVDD DREG
DGND
DREG
GVDD
DREG
GATE
DRIVE
GVDD B35
GVDD B36
BST B33
PVDD B
32
PVDD B
31
OUT B
30
OUT B
29
GND
28
GND
34
GATE
DRIVE
OCH
OCL
TIMING
CONTROL
&
PROTECTION
DREG
GATE
DRIVE
GVDD A
20
GVDD A
19
BST A
22
PVDD A
23
PVDD A
24
OUT A
25
OUT A
26
GND
27
GND
21
GATE
DRIVE
OCH
OCL
GVDD
GVDD
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC113 NJM2870F18 (TE2)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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17
TA-SB500WR
IC901 STR-W6765N
– DIAT POWER Board –
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
OCP/BD 7
DELAY Q
R
S
+
–
+
–
+
–
Q
S
R
+
–BOTTOM
SELECTOR
COUNTER
OSC
R
Q
S
SOFT START
+
–
OVP
REGULATOR
& ICONST
+
–
BURST
CONTROL
START/STOP
BURST
PROTECTION
LATCH
DRIVE
REGULATOR
OLP
BSD
BD
OCP
FB
IC904 NJM2374AE (TE2)
CS 1
ES 2
CT 3
IN+5
QS
R
PWM
LOGIC
OSC
GND 4
V+6
VREF
+
–
+
–
+
–
ERROR AMP
PWM
COMPARATOR
SI7
CD8
IPK SENSE
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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18
TA-SB500WR
DIAT AMP BOARD IC107 MB89537APFM-G-565-BNDE1 (SURROUND AMP CONTROLLER)
Pin No. Pin Name I/O Description
1NC ONot used
2MOD2 ISetting terminal for the CPU operation mode Fixed at "L" in this set
3, 4 NC ONot used
5MODEL ISetting terminal for the model
6SIMUKE ISetting terminal for the destination
7 to 10 NC ONot used
11 AVCC -Power supply terminal (+3.3V) (for A/D converter)
12 AVR IReference voltage (+3.3V) input terminal (for A/D converter)
13 AVSS -Ground terminal (for A/D converter)
14 DTVALID IData valid flag input from the RF demodulator "L": invalid, "H": valid
15 CSOD ICaptor start delay signal input from the RF demodulator "H" active
16 NC INot used
17 AC CUT IAC cut detection signal input terminal "L": AC cut
18 NC INot used
19 /RESET IReset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
20, 21 MOD0, MOD1 ICPU operation mode setting signal input terminal
22 X0 IMain system clock input terminal (8 MHz)
23 X1 OMain system clock output terminal (8 MHz)
24 VSS -Ground terminal
25 FS2_EX INot used
26 XRST_INIT OReset signal output to the RF demodulator and stream processor "L": reset
27, 28 NC ONot used
29 P23 ISetting terminal for the CPU operation mode Fixed at "L" in this set
30 P22 ISetting terminal for the CPU operation mode Fixed at "H" in this set
31, 32 NC ONot used
33
DAMP_PGMUTE
OPG muting on/off control signal output to the stream processor "L": muting on
34
DAMP_SOFTMUTE
OSoft muting on/off control signal output to the stream processor "L": muting on
35
DAMP_NSPMUTE
ONSP muting on/off control signal output to the stream processor "L": muting on
36 NC ONot used
37 DRIVE_RST OReset signal output to the power driver "L": reset
38 DRIVE_OCP IShut down state input from the power driver "L": shut down
39 DRIVE_OTW IOvertemperature warning signal input terminal Not used
40 P10 ISetting terminal for the CPU operation mode Fixed at "H" in this set
41 LED_GREEN OLED drive signal output of the ON LINE indicator "H": LED on
42 LED_RED OLED drive signal output of the POWER indicator "H": LED on
43 to 47 NC ONot used
48 SCMODE OControl mode selection signal output to the RF demodulator
"L": pin setting, "H": serial setting
49 NC -Not used
50 XSCEN OSerial interface enable signal output to the RF demodulator
51 DIAT_SCLK OSerial interface data clock signal output to the RF demodulator
52 DIAT_SWDT OSerial interface data write signal output to the RF demodulator
53 DIAT_SRDT ISerial interface data read signal input from the RF demodulator
54 NC ONot used
•IC Pin Function Description
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TEL 13942296513 QQ 376315150 892498299
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19
TA-SB500WR
Pin No. Pin Name I/O Description
55 T_SENSE ONot used
56 VCC -Power supply terminal (+3.3V)
57 MAIN_OFF OPower off control signal output to the power control "H": power off
58 V_CONT OVoltage control PWM signal output to the shunt regulator
59 DAMP_LATCH OLatch control signal output to the stream processor
60 DAMP_SHIFT OShift clock signal output to the stream processor
61 DAMP_SCDT OSerial data output to the stream processor
62 SI2 ISerial data input terminal
63 INT24 ONot used
64 NC ONot used
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

20
TA-SB500WR
4
3
2
1
not supplied
(DIAT SWITCH board)
not supplied
not supplied
not supplied
not supplied
(DIAT LED board)
DIAT AMP/DIAT POWER
boards section
#2
#2
#1
#2
#3
#2
#2
SECTION 4
EXPLODED VIEWS
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
1X-2022-678-1 FRONT SUB ASSY (EXCEPT US)
1X-2050-558-1 FRONT SUB ASSY (US)
22-149-268-01 BUTTON, POWER
32-149-270-01 PANEL, SIDE (EXCEPT US)
32-149-270-11 SIDE, PANEL (US)
4-1. PANEL SECTION
42-149-269-01 PANEL, TOP
#1 7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#2 7-685-133-19 SCREW (DIA. 2.6) (IT3B)
#3 7-682-548-09 +B 3X8
•Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•The mechanical parts with no reference
numberin the explodedviews arenot supplied.
•Accessories are given in the last of the
electrical parts list.
NOTE:
•-XX and -X mean standardized parts, so they
may have some difference from the original
one.
•Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑↑
Parts Color Cabinet's Color
Thecomponents identified bymark
0or dotted line with mark 0are
critical for safety.
Replace only with part number
specified.
•Abbreviation
AUS:Australian model
HK : Hong Kong model
KR : Korean model
RU : Russian model
SP : Singapore model
TW : Taiwan model
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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