Read Sharp XL-HP404 (serv.man13) Service Manual online
XL-HP404E/HP404H
4 – 1
Audio
XL-HP404E/HP404H
Service Manual
XL-HP404H
Market
E
CHAPTER 4.
DIAGRAMS
[1] BLOCK DIAGRAM
FOCUS/TRACKING/ SPIN/SLED
D
RIVER
+B7
RCHO
LRVSS
LCHO
LVDD
RVDD
GND
GND
TR–
TR+
TR+
FO+
FO+
FO–
F
C
B
A
E
VCC
PICKUP
U
NIT
TR–
VREF
MO_SPEED
CNP3
CNP5
CNP4
CNB1
CNP2
Q1
Q2
LDD
VREF
LDS
DVDD
XVDD
AVDD1
AVDD2
DVDD
VVDD
A
+5V
A
+5V
FIN
EIN
CIN
AIN
DIN
BIN
+B8
+B8
–
–
+
+
MO_SPEED/CONT6
MOT_A-/CONT4
TR–
TR+
CAM–
CAM+
+5V
PHOTO
DISC
CLAMP
TRAY_SW1
TRAY_SW2
D_GND
CD_RES
TRAY_SW2
PHOTO
D_GND
+5V
A_+5V
+B4
+B8
+B8
CONT1
0.82µH
CD
DIGITAL
SIGNAL
P
ROCESSOR
LC78648E
IC1
MOT_A+/CONT5
MO_B+/CONT3
MO_B-/CONT2
SLDO
SPDO
FDO
TDO
XIN
XOUT
DRF
*RES
*WRQ
DO
DI
CL
CE
FROM DISPLAY SECTION
TO MAIN SECTION
D_GND
16.9344
MHz
XL1
+B4
R-CH
AGND
L-CH
DGND
D_+5V
WRQ
DRF
CE
DO
DI
CL
CLAMP
DISC
TRAY_SW1
+8V
M
M
34
33
81
0
32
31
24
21
22
23
19
20
5
1
2
35
36
3
4
5
6
30
26
7
25
27
9
28
11
13
15
17
48
47
79
61
56
55
54
154
0
46
28
25
19
20
26
13
49
1
27
60
80
7
8
9
10
15
14
36
21
22
23
24
65
64
66
67
68
63
62
45
41
42
43
44
1
2
3
5
4
6
7
8
1
2
3
4
5
6
13
12
11
10
9
8
7
14
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
6
4
3
1
35
36
70
74
75
2
VCONT6
VCONT5
VREFIN
SVCC
PVCC1
VO4–
VO3+
VO3–
VO4+
PGND1
SGND
PGND2
VO1–
VO1+
VO2–
VO2+
VIN2
VIN1
VIN4
VIN3
VO6+
VO6–
VO5+
VO5–
VO6–
VO5+
VO5–
LA6261
IC2
REV5
FWD5
REV6
FWD6
PVCC2
SLED MOTOR
SPINDLE MOTOR
PICKUP-IN
–
+
–
+
M
M
TRAY MOTOR
DISC
CLAMP
TRAY
SW1
TRAY
SW2
MAIN
CAM
MOTOR
PHOTO INTERRUPTER
SW1A
M1A
M2A
M1
RX1
SW3
SW2
SW1
SW4
M2
Figure 4-1 BLOCK DIAGRAM (1/5)
Click on the first or last page to see other XL-HP404 (serv.man13) service manuals if exist.