Read Sharp XL-HP434 (serv.man5) Service Manual online
XL-HP434H
4 – 3
+B4
+B8
+B7
LDS
LDD
LDD
MOT_A-/CONT4
MOT_A+/CONT5
M0_SPEED/CONT6
MO_B+/CONT3
MO_B-/CONT2
SPDO
SLDO
TDO
FDO
F16MOUT
SUB
C
E
NC
C2F/SBCK
DATA
F16MIN
VVDD
DVDD
DVDD
AVDD2
AVDD1
FIN
EIN
DIN
BIN
CIN
AIN
XOUT
XIN
+5V
RCHO
LCHO
RVDD
LVDD
ZD1
DRF
*RES
*WRG
DO
DI
CL
CE
TO MAIN SECTION
TRAY_SW1
DISC
CLAMP
CL
DI
DO
CE
DRF
WRQ
TO DISPLAY SECTION
+5V(+B9)
D_GND
PHOTO
TRAY_SW2
CD_RES
D_GND
TRAY_SW2
TRAY_SW1
CLAMP
DISC
PHOTO
+5V
CAM+
CAM-
TR+
TR-
CNP6
CNP5
16.9344MHz
+3.3V
+3.3V
Q2
DRIVER
LASER
PICKUP UNIT
FOCUS
COIL
TRACKING
COIL
SPI
M
M
MO
PICKUP-IN
SW1A
LC78648E
IC1
XL1
CD DIGITAL SIGNAL
PROCESSOR
24
23
22
21
75
74
70
36
35
PU-IN/CONT1 34
20
19
19
32
61
79
61
79
48
2
45
44
42
41
47
66 65 64
68 67
63 62
51 53
59 69
2
9
1
15
16
1
6
11
14 13 12
5
10
3
7
9
8
4
2
27
1
26
60
80
XVDD
49
7
8
9
10
14
15
28
40
25
CNP2
+8V
+5V
DGND
L-CH
AGND
R-CH
D_GND
+5V
1
7
6
3
2
5
4
8
Q1
GND
CNB1
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
– +
– +
M
M
TRAY
MOTOR
DISC
CLAMP
TRAY
SW1
TRAY
S
W2
MAIN CAM
MOTOR
PHOTO INTERRUPTER
M1
RX1
SW3
SW2
SW1
SW4
M2
Figure 4-3 BLOCK DIAGRAM (3/4)
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