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PIN DESCRIPTION OF INTEGRATED CIRCUITS
TZA1024 – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT
Pin
Name
Direction
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
HF-preamp → CD-drive
1
LD
2
VCCL
+2.6V
→ HF-preamp
3
CFIL
CD-drive → HF-preamp
4
MON
CD-drive → HF-preamp
5
DIN
6
GND
GND
CD10 → HF-preamp
7
PWRON
8
CMFB
+2.6V / 2
→ HF-preamp
9
RFFB
HF-preamp →
10
RFEQO
CD10 → HF-preamp
11
CDRW
CD10 → HF-preamp
12
EQSEL
13
VCC2
+2.6V
14
RGADJ
GND
SC111259FTA – SERVO DRIVER & POWER MANAGEMENT IC
Pin
Name
Direction
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
µP → servo driver
1
SLEEP
µP → servo driver
2
WAKW
3
VR
+VR
CD10 → servo driver
4
ERR4
→ servo driver
5
CF4
→ servo driver
6
CF3
CD10 → servo driver
7
ERR3
CD10/µP → servo driver
8
ERR2
→ servo driver
9
CF2
→ servo driver
10
CF1
CD10 → servo driver
11
ERR1
servo driver → CD-drive
12
OUT1A
13
PGND1
GND
servo driver → CD-drive
14
OUT1B
15
VIN12
+A
servo driver → CD-drive
16
OUT2B
17
PGND2
GND
servo driver → CD-drive
18
OUT2A
servo driver → CD-drive
19
OUT3A
20
PGND2
GND
servo driver → CD-drive
21
OUT3B
22
VIN34
+A
servo driver → CD-drive
23
OUT4B
24
PGND4
GND
servo driver → CD-drive
25
OUT4A
26
VG
+VG
→ servo driver
27
C2H
→ servo driver
28
C1H
→ servo driver
29
C1L
→ servo driver
30
C2L
battery → servo driver
31
VIN
servo driver →
32
RSTB
servo driver → charge circuit
33
CHGSW
charge circuit → servo driver
34
RS
→ servo driver
35
INM2
→ servo driver
36
RF2
37
DCIN
+DC
servo driver →
38
VDET
servo driver →
39
VREF
→ servo driver
40
DTC
servo driver → DC/DC converter
41
VOUT
→ servo driver
42
VC
43
CGND
GND
servo driver →
44
RF1
→ servo driver
45
INM1
→ servo driver
46
CLK
µP → servo driver
47
OE
µP → servo driver
48
CHGON
3-1
Description
current output to laser diode
laser supply voltage
external filter capacitor
laser monitor diode input
central diode input
ground
power-on select input
common mode feedback voltage input
external RF feedback resistor
RF amplifier output
gain select input for CDDA/CDRW
equalizer/speed select input
supply voltage
external laser supply gain adjust resistor
Description
sleep input
wake input
reference voltage input (motor driver)
control signal input (slide error signal)
phase correction capacitor connect (CH4)
phase correction capacitor connect (CH3)
control signal input (radial error signal)
control signal input (disc speed error signal)
phase correction capacitor connect (CH2)
phase correction capacitor connect (CH1)
control signal input (focus error signal)
positive drive output (CH1)
H-bridge driver ground
negative drive output (CH1)
CH1 and CH2 H-bridge driver supply voltage
negative drive output (CH2)
H-bridge driver ground
positive drive output (CH2)
positive drive output (CH3)
H-bridge driver ground
negative drive output (CH3)
CH3 and CH4 H-bridge driver supply voltage
negative drive output (CH4)
H-bridge driver ground
positive drive output (CH4)
charge pump output
charge pump capacitor connect
charge pump capacitor connect
charge pump capacitor connect
charge pump capacitor connect
battery supply voltage
reset block output
transistor drive output for battery charger
OpAmp non-inverting input for battery charger
error amplifier inverting input
error amplifier output
DC power supply from AC/DC adaptor
DCIN over voltage and VIN low voltage detect output
Voltage reference circuit output
max. duty control voltage input for power management
PWM output for power management
power management power supply
internal ground
OpAmp output for power management
OpAmp inverting input for power management
clock input
output enable for motor drivers
charge enable for battery charger
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