SD-PX15H (serv.man17). Circuit schematics and parts layout - Sharp Audio Service Manual (repair manual). Page 32

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SD-PX15H
6 – 32
Figure 6-32 SCHEMATIC DIAGRAM (19/22)
C3707
R3726
R3727
R3730
R3729
C3708
R3728
IC3702
NJM12904
OP AMP.
C3703
R3702
R3703
R3701
R3704
C3301
L3301
R3733
C3709
R3306
R3303
C3302
Q3303
R3304
R3309
R3310
R3314
R3313
Q3305
R3307
R3312
R3311
Q3304
C3705
R3715
IC3704
AN8785SB
FOCUS/TRACKING/SPIN/
SLED DRIVER
C3704
R3722
C3706
R3316
C3303
R3318
R3319
0.01
8.2K
1.8K
+B
47K
10K
0.1
470K
+B
5
6
7
8
1
2
3
4
GND
VCC
0.1
82K
82K
15K
15K
+B
TO MAIN
+B
+B
+B
M_8V
MGND
AGND
LD_SW
EJ_SW
IN_SW
FCSIN
TRKIN
A_3.3V
S_5V
NMUTE
LOAD
DGND
PD_CD
VA
VB
VC
VD
VE
VF
RF
LPCO2
LPCO1
VHALF
SPIN
SPNDRV
CHOP
SLDDRV
HFM
CDLDC
DVDLDC
DVD_H
FG
VREFH
PD_CD
VREFH
0.1
4.7 µH
+B
SLDDRV
15K
+B
0.022
47
1K
47/6.3
2SD601 AR
470
47K
47K
680
1K
2SD601 AR
33
10K
10K
KTA1298 Y
NMUTE
+B
SPNDR
V
47/10
+B
18K
15
16
17
18
19
20
21
PGND2
NMUTE
SLDP
SLDN
PVCC3
SPIN_IN
SLD_IN
REFSEL
LOAD_IN
PVCC2
LOADP
LOADN
SPINP
SPINN
8
9
10
11
12
13
14
SPIN-
SPIN+
+B
+B
0.1
7
2.5V_OUT
22
SVCC
1
5
K
0.1
FCSIN
47
47/6.3
47K
47K
DVD_APC
CONTROL
CD_APC
CONTROL
CD_APC
CONTROL
TP99
TP_FG1
TP100
TP101
TP102
TP103
TP114
TP115
TP116
TP117
TP118
TP_SL
TP_VREF
TP104
TP121
TP123
TP122
TP124
TP125
TP126
TP127
TP3301_A
TP3302_A
TP_SPIN
TP_C3075-
TP_C3075+
TP111
TP112
TP105
TP108
TP107
TP60
TP62
TP61
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
A
B
C
D
E
F
G
H
1
2
3
4
5
6
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