Sharp SD-AT1000H, Service Manual

Page: 12 / 72

SD-AT1000H
– 12 –
Figure 12 BLOCK DIAGRAM (1/10)
+12V +12V
A_+9V
A_+9V
80
79
78
77
76
75
70
67 38
37
36
35
32
29
28
27
26
25
5 6 7 8
4 3 1
4 3 2 1
5 6 7 8
24 23 22 21 19 17 8 9 10 11 13 14 15 16 1 2 3 4 7
48 49 50 51 52 53 54 55 57 41 44 45 46 47
P_CONT_LEVEL
LINE3_LCH LINE3_RCH LINE1_RCH LINE2_RCH LINE2_LCH LINE1_LCH
OUT_L
CONFIG
+B_CHECK
UCON5V
RIN
LIN
LOUT2
ROUT2
LOUT1
ROUT1
ROUT3
LOUT3
H.P_SW
CONFIG
CCB_DI
CCB_CL
CCB_DO
CCB_CE
FUN_LOCK
BASS_SW
VOL_CL
VOL_DA
OFFSET PROTECT
A/D_RESET
S_MUTE
S_S_MUTE
C_S_MUTE
F_S_MUTE
W_S_MUTE
L_MUTE
OUTSR_RCH
OUTC
OUTSW
OUTSR_LCH
S_MUTE
MON_OUTR
MON_OUTL
OUT_R
VOL_CL VOL_DA
TUN_L
TUN_R
PROTECT
PROTECT
9V
LINE1 OUT
D_+5V
L_
SW
LINE 2
LINE 1 IN
LINE 3 R-CH L-CH L-CH R-CH
R-CH L-CH L-CH R-CH
CENTER
GND(U-COM)
AGND2
AGND1
IN DSPSL
INDSPC
IN DSPSW
OUTSL
OUTSR
OUTSW
OUTC
IN2DSP
OUT1(+)
IN DVDSR
VCC DA
IN1MIX
CL MUTE
OUT2(+)
INDVD SW
AGND5 AGND6 VEE AGND4 DGND
IN1DSP
INDVDC
IN DVDSL
AGND8
IN81 IN72 IN71 IN62
OUT2 OUT1
IN61 IN41 IN42 IN32
IN21
AGND9
IN12
IN11
ROUT32
ROUT31
AGND10
AGND3 AGND7
IN22
IN DSPSR
IN2MIX
IN31
14
16
15
17
18
20
13
19
21
22
12
11
10
7
23
8
9
24
6
4
5
3
2
1
25
26
27
R_CH
L_CH
H.P SW
D_GND
A_GND
PROTECT
D_+5V
D_GND
L-CH
H.P SW
A_GND
R-CH
1
3
4
5
6
1
2
3
4
5
1
2
3
4
5
A_+9V
VDD
VSS
+
+
–
–
+
–
VDD
–
+
VSS
3
4
5
6
7
8
9
10
13
11
1
CNP701
TO DISPLAY PWB
TO DSP SECTION
TO DSP SECTION
TO DSP SECTION
CONFIG
DRIVER CONFIG
L_CH
CONFIG
R_CH
L-M
BU
L-MUTING
L_CH
L-MUTING
R_CH
GAIN SWITCH
L_CH
GAIN SWITCH
R_CH
S-
L
S-M
R
TUNER_SM
RDS_RDY
RDS_CLK
RDS_RST
RDS_DO
33
32
31
30
29
28
BI601
CNS601
JT501
LINE1 INPUT/
OUTPUT TERMINAL
JT502
LINE2/LINE3
INPUT TERMINAL
Q528 Q501
Q532
Q533
Q531
Q504
Q503
Q599
Q598
Q502
IC520
TJM4558CD
OPE AMP.
IC505
NJM4565M
BUFFER AMP.
CNP501
IC501
BD3811K1
VOLUME IC
D538
D537
CNP601
JK1
HEADPHONES