JVC HX-Z9V - Page 41

(No.22041)1-41
4.2 AN4801SB-W (IC801) : MD/CD driver
• Pin Layout • Pin function
• Block Diagram
26 21 20 14
16 7 13
Pin
No.
Function
Pin
No.
Function
1 Driver 2 input 15 Driver 3 forward output
2 Power Cut input
(channel 2 mute)
16 Driver 4 inverted output
3 Driver 1 input 17 Driver 4 forward output
4 Power Cut input
(channel 1 mute)
18 Power supply 2 for driver
5 Reset output 19 Ground 2 for driver
6 N. C. 20 Standby input
7 N. C. 21 N. C.
8 Ground 1 for driver 22 N. C.
9 Power supply 1 for driver 23 Power supply
10 Driver 1 inverted output 24 VREF input
11 Driver 1 forward output 25 Driver 4 input
12 Driver 2 inverted output 26 Driver 3 input
13 Driver 2 forward output fin Ground
14 Driver 3 inverted output
+ -- +
- +
+ -- ++ -- ++ -- +
PVCC/2
PVCC1 PGND1
PVCC/2
L :All mute
H:Active
L :Active
H:Power Cut
L :Active
H:Power Cut
Standby
SVCC
RESET
out
SGND
PGND2 PVCC2
Focus
Tracking Spindle Traverse
M
8911101312151417161819
20
5
FIN 23 25 26 2 1 3 4
24
VREF
M
VO4
-
VO4
+
VO3
-
VO3
+
VO2
-
VO2
+
VO1
-
VO1
+
SVCC
IN4 IN3 IN2
IN1
PC2 PC1
Direction
Detector
- +
Direction
Detector
- +
Direction
Detector
- +
Direction
Detector
Standy
Band-gap
VCC/VREF
Reset Circuit