Sharp SD-AT1000 Service Manual page 13

1-bit digital home theater
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L_MUTE
Q533
Q531
Q532
OUTSR_RCH
OUTC
S_MUTE
Q516
L_CH
OUTSW
Q517
5 6
7 8
A_GND
+
5M
– +
AMP.
4 3 2
1
Q518
R_CH
Q599
Q598
D_+5V
+B
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FRONT_LCH
3
2
1
IC411
+
VDD
TJM4558CD
+ VSS
OPE AMP.
5
6
7
FRONT_RCH
OUTSR_LCH
3
2
1
IC412
+
TJM4558CD
VDD
OPE AMP.
VSS
+
5
6
7
3
2
1
IC413
+
VDD
TJM4558CD
+ VSS
OPE AMP.
5
6
7
Q459
Q428
BASS_SW
Q429
A_–7V
A_+7V
Q525
Q527
A_–7V
Q526
+12V(A)
D514
Q514
–15V(A)
D_+5V
D507
D509
Figure 13 BLOCK DIAGRAM (2/10)
– 13 –
Q513
8
-B
4
Q512
Q515
F_S_MUTE
Q524
8
4
Q523
Q535
S_S_MUTE
Q536
Q537
C_S_MUTE
8
4
Q538
Q539
W_S_MUTE
IC506
TJM4558CD
Q530
OPE AMP.
5
6
7
8
+
VDD
VSS
+
4
3
2
1
A_+12V
+15V(A)
D_+5V
IC507
KIA7805AP
VOLTAGE
REGULATOR
D_+5V
M_+12V
3
1
2
+15V(A)
3
1
2
IC513
KIA7809AP
VOLTAGE
REGULATOR
SD-AT1000
FRONT L-CH
1
1
2
2
FRONT R-CH
3
3
SURROND L-CH
7
7
5
5
SURROND R-CH
9
9
CENTER
4
4
8
8
ZD567
SUB
WOOFER
6
6
Q544
Q545
PROTECT
10
10
A/D_RESET
11
11
OFFSETPROTECT
12
12
SUBWOOFER
WOOFER_OUT
SO501
D581
Q542
Q541
Q543
A_–12V
UCON_GND
1
UCON_+5V
2
PROTECT
3
+B_CHECK
4
LIMIT
5
P_CONT_LEVEL
FAN_CONT
6
A+15V
7
GND_A
8
A-15V
9
M_+12V
10
M_GND
11
D2_GND
12
GND
13
Q403
Q400
R402
D400
Q401
1
1
2
2
D401
FAN_LOCK
Q402
3
3
CCB_CE
CE
1
CCB_DI
DI
2
CCB_CL
CL
3
CCB_DO
DO
4
GND
5
TUN_L
L OUT
6
VCC +9V
7
TUN_R
R OUT
8
9
10
GND
11
CNP506
OUT
M501
FAN MOTOR
M

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