LG CED-8042B Manual page 29

IC503 (M62352GP)
1) The M62352 is an integrared circuit semiconductor of CMOS structure with 12 channels of built-in D-A
converters with output buffer operational amplifiers.
2) Outputs of 12 channels are used for adjustment/control of reference of the AK8563, servo circuits and
references.
Block Diagram
GND
20
8-BIT
R-2R D-A
Ch2
LATCH
(12)
LATCH
Ch3
8-BIT
R-2R D-A
BUFFER
OP AMP
1
Vss
(VrefL)
• Pin Description
Pin No. Pin Name
1 Vref-
2 AO3
3 AO4
4 AO5
5 AO6
6 AO7
7 AO8
8 AO9
9 AO10
10 Vref+
52
Ao2 Ao1 DI
19 18
17
12-BIT SHIFT REGISTER
D-A
D01 2 3 4 5 6 D7
1
8-BIT
L
8-BIT
L L
4 5
D-A D-A
2 3 4
Ao3 Ao4 Ao5
Description
GND
Center Error Offset
VC reference
VWDC2
Tray Control
RF DC Offset
Write power reference
Write power reference
DA monitor
4V
CLK LD Do
16 15 14
D8 9 10 D11
ADDRESS
DECODER
(8)
(12)
L L L
6 7 8
D-A D-A D-A
5 6 7
Ao6 Ao7 Ao8
Pin No.
11
12
13
14
15
16
17
18
19
20
Ao12 Ao11 Vcc
13 12 11
D-A D-A
12 11
L L
(12)
L L
9 10
D-A D-A
8 9 1 0
Ao9 Ao10 V
DD
(VrefU)
Pin Name Description
VCC 5V
AO11 HAVC adjust
AO12 Sled Offset
ED Serial data output terminal
LD LD terminal input
CLK Serial clock input terminal
DO Serial data input terminal
AO1 Hall Bias
AO2 Read power reference
GND GND