Read Sharp SD-AT50H (serv.man11) Service Manual online
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SD-AT50H
Figure 15 BLOCK DIAGRAM (5/9)
BI507
IC507
BA05ST
SWITCH
REGULATOR
4
2
CNP505
CNP506
IC513
KIA7809AP
VOLTAGE
REGULATOR
3
1
CNP504
Q516
Q518
Q517
IC505
NJM4565D
OPE AMP.
Q514
Q525
Q527
Q526
0
9
8
7
7
6
5
4
3
2
1
0
9
8
7
6
5
Q504
Q503
1
2
3
4
5 6
7 8
2
5 3 1
OUTSW
OUTC
OUTSR_RCH
OUTSR_LCH
CCB_DO
CCB_CL
CCB_DI
CCB_CE
TUN_R
TUN_L
FMVSM
+5V(D)
OUTC
AGND
OUTSW
AGND
+12V
+12V
+12V
-12V
BS_RCH
BS_LCH
TUN_L
TUN_R
+5V(D)
A_+7V
PROTECT
A_+7V
A_-7V
-12V
TUNER_SM
FM_STB
AMP_SOUT
AMP_STB
AMP_CLK
AMP_SIN
AMP_INT
OUTSR_LCH
OUTSR_RCH
OUTF_RCH
OUTF_LCH
A_-7V
A_-7V
HP_R
HP_L
S_MUTE
GND_D
REG_ON
A.GND
GND
AUX
VTR
R-CH
L-CH
L-CH
R-CH
GND_UCON
GND_A
+
-
+3.7V_(UCON)
D+7.5V
AMP_SIN
AMP_SOUT
GND_D
A+15V
AMP_INT
AMP_STB
AMP_CLK
A-15V
CENTER
SURROUND LCH
SURROUND RCH
FRONT RCH
FRONT LCH
GND
GND
TO POWER
SECTION
SUB WOOFER
VDD
-
+
VSS
+3.7V(UN-SWD)
IN22
-12V(A)
-15V(A)
+7.5V(SWD)
+15V(A)
+12V(A)
CE
DO
FM VSM
GND
L OUT
FM DET
VCC +9V
DI
CL
R OUT
3
1
2
2
4
7
5
1
9
3
1
1
6
8
0
1
8
6
1
1
3
1
9
5
7
2
4
2
1
3
1
0
1
6
8
1
5
3
7
2
4
TO DSP
SECTION
TO POWER
SECTION
TO TUNER
UNIT
VDDA
MPXIN
VSSA
XOUT
SYR
CE
T1
T2
DI
CL
DO
VDDD
XIN
VSSD
24
23 22 21 20
15
13
14
2 3
4
12
8
7
XT01
4.332 MHz
QT01
ICT01
LC72720Y
RDS DECORDER
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