Ic Pin Function Description - Sony D-EJ985 Service Manual

D-EJ985

5-10. IC PIN FUNCTION DESCRIPTION

• IC403 TB2130AF (FOCUS/TRACKING COIL DRIVER, SLED MOTOR DRIVER, POWER CONTROL)
Pin No. Pin Name
1 VREF
RF41
2
PAPC
3
4 VINDET
RF4
5
INM4
6
7 APCREF
8 L5
9 VG
10 GND
11 SYNC
12 WAKE
13 CLOK
14 DATA
15
LATCH
16 RSTB
17 FI2
18 RI2
19 FI3
20 RI3
21 FI4
22 RI4
23
VD4
24 RO4
25 MGND4
26 FO4
27
VD34
28
RO3
29 MGND3
30
FO3
31
VD23
32 RO2
33 MGND2
34 FO2
35
VD12
36 RO1
37 MGND1
38 FO1
39
VD1
40 FI2
41 RI2
42
CHGSW
43
RS1
20
I/O
I
Reference voltage input terminal
O Power supply 4 (APC) section operational amplifier 1 output
I Power supply 4 (APC) section operational amplifier 1 non-invert input
I VIN detection signal input terminal Not used
O Power supply 4 (APC) section operational amplifier 2 output
I Power supply 4 (APC) section operational amplifier 2 invert input
I
AGC control pulse signal input from the system controller
— Connected to the inductor for VG
O
VG output terminal
—
Ground terminal
I
176.4 kHz clock signal input from the CXD3039AR
Wakeup control signal input from the system controller (for system standby reset)
I
"L": wakeup The stop status is reset with the falling edge of input signal
I Serial data transfer clock signal input from the system controller
I Serial data input from the system controller
I Serial data latch pulse signal input from the system controller
System reset signal output to the system controller "L": reset
O
For several hundreds msec. after the power supply rises, "L" is output, then it changes to "H"
I Sled servo drive signal (+) input from the CXD3039AR
I
Sled servo drive signal (–) input from the CXD3039AR
I
Not used
I Not used
I Tracking servo drive signal (+) input from the CXD3039AR
I
Tracking servo drive signal (–) input from the CXD3039AR
I Power supply input terminal for tracking servo drive
O
Tracking coil drive signal (–) output
— Ground terminal (for tracking servo drive)
O
Tracking coil drive signal (+) output
I Power supply input terminal for tracking servo drive
O Not used
— Ground terminal
O Not used
I Power supply input terminal for sled servo drive
O
Sled motor drive signal (–) output
— Ground terminal (for sled servo drive)
O
Sled motor drive signal (+) output
I Power supply input terminal for focus servo drive and sled servo drive
O
Focus coil drive signal (–) output
— Ground terminal (for focus servo drive)
O
Focus coil drive signal (+) output
I Power supply input terminal for focus servo drive
I
Focus servo drive signal (+) input from the CXD3039AR
I
Focus servo drive signal (–) input from the CXD3039AR
O Battery charge control transistor drive signal output
I Battery charge current detection terminal
Description