Sharp SD-AT1000 Service Manual page 13

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