Read Sharp HT-DV40H (serv.man4) Service Manual online
HT-DV40H
8 – 28
IC2 VHIAT5669H++1 : 5 CHANNEL MOTOR DRIVER (AT5669) (1/2 )
BLOCK DIAGRAM
Figure 8-2 BLOCK DIAGRAM OF IC
8.5K
34K
34K
8.5K
TSD
STAND-BY
VBIAS
IN4
DL2
CPO
IN3
CPIN
GND
VCTL
CPIP
VCC2
OUT3-
OUT4-
OUT3+
OUT4+
MUTE
1_2_3_4
28
27
26
25
24
23
22
21
20
19
18
17
16
15
7.5K
IN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DL1
FB2
IN2
3V3
FWD
REV
PGND
VCC1
VCC1
VCC1
VCC2
VCC2
VCC2
VCC1
VREF
12K
8.0K
VCC2
VCC1
VREF
-
-
-
-
-
+
+
+
+
+
Pre-DRV
OUT5-
TRAY
DRIVER
SLED
DRIVER
4X
FOCUS
DRIVER
4X
TRACK
DRIVER
4X
SPINDLE
DRIVER
4X
18.75K
OUT5+
OUT2+
OUT2-
OUT1+
OUT1-
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