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Pin No.
Mark
76
OUT X2
77
IN X1
78
DVSS1
79
DVDD1
80
MON
21.3. IC703 (AN8739SBTE2) Focus Coil/ Tracking Coil/ Traverse Motor
/ Spindle Motor Driver
Pin No.
Mark
1
/RST
O
2
NC
-
3
IN2
I
4
PC2
I
5
NC
-
6
IN1
I
7
PVCC1
I
8
PGND1
-
9
NC
-
10
D1-
O
11
D1+
O
12
D2-
O
13
D2+
O
14
D3-
O
15
D3+
O
16
D4-
O
I/O
Function
O
Crystal oscillator
circuit output pin (f=
16.9355 MHz, 33.8688
MHZ)
I
Crystal oscillator
circuit output pin (f=
16.9355 MHz, 33.8688
MHZ)
I
Ground for digital
circuits
I
Power supply for
digital circuits
O
Monitor for evaluation
I/O
Function
RESET output terminal
N.C.
Motor drive (2) input
Turntable motor drive
signal ("L" :ON)
N.C.
Motor driver (1) input
Power supoply (1) for
driver
Ground connection (1) for
driver
N.C.
Motor driver (1) reverse-
action output
Motor driver (1) forward-
action output
Motor driver (2) reserse-
action output
Motor driver (2) forward-
action output
Motor driver (3) reverse-
action output
Crystal oscillating circuit
input (f = 16.9344MHz)
Motor driver (4) reverse-
action output
78
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