Schematic Diagram - Diat Amp Section (2/4) - Sony TA-SB500WR Service Manual

TA-SB500WR
Q Q
4-5. SCHEMATIC DIAGRAM – DIAT AMP Section (2/4) –
3 7 6 3 1 5 1 5 0
1 2
DIAT LED BOARD
A D400
CNP400
SPR-54MVW
3P
POWER/ON-LINE
1 GND
2 RED
R
3 GREEN
G
B
C
D
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
G
H
I
J
w w w
K
TA-SB500WR
• See page 8 for Waveforms.
3 4 5
DIAT AMP BOARD (2/4)
GREEN 4
RED 3
GND 1
CNP303
4P
VCC
GND
VCC2
SCMODE
1
XSCEN
DIAT_SCLK
DIAT AMP
DIAT_SWDT
BOARD
(1/4) DTVALID(I)
(Page 11)
CSOD
DIAT_SRDT
INIT
CN309
7P
MOD 0_1 7
SCK2 6
RESET 5
NC GND 4
VDD 3
SI2 2
SD2
1
C146
0.1
C145
0.22
x a o
y
. i
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• See page 17 for IC Block Diagrams.
6 7 8 9
R134
100
R132
100
R143
0
C149 0.1
Q Q
R122
3 7 6
10k
R274
C148
47k
0.1
IC105
R276
47k 0
VOLTAGE DETECT
DAMP
FSDLY[I]
IC105
0
PST3629NR MOD2[I]
R127
IC B/D 47k [O]
[O]
R410
3.3
47k SL/SR REV[I]
0
PWR_PWM_CONT[I]
R258
47k [O] SURROUND AMP CONTROLLER
[O]
MB89537APFM-G-1077E1
[O]
C151
[O]
0.1 3.3
AVCC
C150 3.3
100
AVR
10V
AVSS
R283 47k 0
Q102
DTVALID[I]
2SC3052EF-T1-LEF
C156 100p 0
RESET SWITCH
CSOD[I]
3.3
[I]
0
R124
47k
C147
1000p
Q110
RT1P141C-TP-1
D102 AC CUT
1SS355WTE-17
R123
22k 3.3
C143 0.4
0.1
3.3
R171 47k
C253
0.22
u 1 6 3
.
12 12
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• See page 21 for IC Pin Function Description.
2 4
8 9 9
10 11 12
4.8 4.9
R125
R100 150
150
Q103,104,111,112
LED DRIVE
Q111
RT1P141C-TP-1
0
Q112
0 RT1P141C-TP-1
RT1N141C-TP-1
4.9 4.9
4.9
Q103
RT1N141C-TP-1
0
3.3
C154 10p
R138 100
C155 100p
R137 100
C158 100p C153 100p
C159 100p
C157
D301
100p
1SS355WTE-17
3 1 5 1 5 0 8 9 2
3.3 R151 100
SCMODE[O]
[O]
[O]
[O]
[O]
IC107
[O]
R149 100
3.3
LED_RED[O]
R150 100
0
IC107
LED_GREEN[O]
3.3
[I]
R254
10k
[O]
3.3 R261 100
DRIVER_OCP[I]
0 R262 100
DRIVER_RST[O]
[O]
3.3 R148 100
DAMP_NSPMUTE[O]
0 R147 100
DAMP_SOFTMUTE[O]
R146 100
3.3
DAMP_PGMUTE[O]
m
R133 100 D103 1SS355WTE-17
R259 1k
c o
3
X102
8MHz
2
8 9 9
13 14
Q104
0
SCDT
SCSHIFT
SCLATCH
4 9 8 2 9 9
3
DIAT AMP
BOARD
(3/4)
(Page 13)
DAMP/NSPMUTE
DAMP/SOFTMUTE
DAMP/PGMUTE
MAIN_OFF
GND
INIT
AC_CUT
4
DRIVER/OCP
DIAT AMP
DRIVER/RST
BOARD
(4/4)
(Page 14)