Read Sharp SD-AT1000 (serv.man11) Service Manual online
– 13 –
SD-AT1000
Figure 13 BLOCK DIAGRAM (2/10)
–15V(A)
+12V(A)
D_+5V
D_+5V
M_+12V
+15V(A)
A_–8.2V
A_+8.2V
3
1
8
4
3
1
8
4
8
4
8
4
CNP506
4 3 2
1
5 6
7 8
3
2
1
6
7
5
3
2
1
5
6
7
7
6
5
3
2
1
2
2
3
2
1
5
6
7
FAN_LOCK
P_CONT_LEVEL
+B_CHECK
PROTECT
UCON_+5V
FAN_CONT
WOOFER_OUT
TUN_R
TUN_L
A_GND
L_MUTE
S_MUTE
A_+7V
A_–7V
D_+5V
OFFSETPROTECT
A/D_RESET
PROTECT
W_S_MUTE
FRONT_LCH
R_CH
L_CH
F_S_MUTE
BASS_SW
OUTSR_LCH
OUTSR_RCH
OUTC
FRONT_RCH
OUTSW
C_S_MUTE
S_S_MUTE
CCB_DO
CCB_CL
CCB_DI
CCB_CE
A_–7V
LIMIT
D2_GND
GND
D_+5V
SUBWOOFER
OUT
M_+12V
M
PROTECT
TO TUNER UNIT
A_–12V
A_+12V
L_MUTE
S_MUTE
GND
UCON_GND
GND_A
M_GND
A+15V
A-15V
+15V(A)
CE
DO
GND
L OUT
VCC +9V
DI
CL
R OUT
9
13
12
11
10
8
7
6
3
4
1
2
5
1
2
2
4
7
5
1
9
3
11
6
8
10
SURROND R-CH
SURROND L-CH
FRONT L-CH
CENTER
FRONT R-CH
SUB
WOOFER
12
6
10
11
1
8
4
9
5
7
3
2
12
6
10
11
1
8
4
9
5
7
3
2
3
1
2
3
VSS
+
+
–
–
VDD
–
–
+
+ VSS
VDD
VDD
VSS
+
+
–
–
+ VSS
VDD
–
–
+
+
–
VDD
–
+
VSS
CNS931
FROM POWER SECTION
CNA100
FROM 1-BIT SECTION
+B
-B
IC411
TJM4558CD
OPE AMP.
IC412
TJM4558CD
OPE AMP.
Q532
Q533
Q531
Q599
Q598
Q514
Q525
Q527
Q526
Q402
Q401
Q400
Q403
Q518
Q517
Q516
Q523
Q537
Q536
Q538
Q539
Q530
Q541
Q542
Q543
Q544
Q545
Q524
Q513
Q512
Q515
Q459
Q428
Q429
Q535
IC413
TJM4558CD
OPE AMP.
ZD567
5M
AMP.
D517
D581
CNP531
D514
D507
D509
IC507
KIA7805AP
VOLTAGE
REGULATOR
D401
R402
D400
CNP401
CNS401
IC513
KIA7809AP
VOLTAGE
REGULATOR
SO501
IC506
TJM4558CD
OPE AMP.
M501
FAN MOTOR
BI500
CNS500
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