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PIN DESCRIPTION OF INTEGRATED CIRCUITS
TDA1300T – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT (part of CD-drive VAM2103)
Pin
Name
Direction
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
HF-preamp → CD10
1
O4
HF-preamp → CD10
2
O6
HF-preamp → CD10
3
O3
HF-preamp → CD10
4
O1
HF-preamp → CD10
5
O5
HF-preamp → CD10
6
O2
CD10 → HF-preamp
7
LDON
8
VDDL
+3
HF-preamp →
9
VRFE
10
VRF
not connected
11
HG
GND
12
LS
+3
13
C
external connection
→ HF-preamp
14
ADJ
15
GND
GND
HF-preamp → laser diode
16
LO
monitor diode → HF-preamp
17
MI
18
VDD
+3
19
I2
GND
diode array → HF-preamp
20
I5
diode array → HF-preamp
21
I1
diode array → HF-preamp
22
I3
diode array → HF-preamp
23
I6
diode array → HF-preamp
24
I4
MPC17A50VM – 4-CHANNEL H-BRIDGE SERVODRIVER
Pin
Name
Direction
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
1
CGND
GND
2
VLG
+3
CD10 → servo driver
3
ERR2
→ servo driver
4
NI2
→ servo driver
5
OP2
CD10 → servo driver
6
ERR1
→ servo driver
7
NI1
→ servo driver
8
OP1
→ servo driver
9
LIM
→ servo driver
10
VR
→ servo driver
11
CLK
→ servo driver
12
OP3
→ servo driver
13
NI3
CD10 → servo driver
14
ERR3
→ servo driver
15
OP4
→ servo driver
16
NI4
CD10 → servo driver
17
ERR4
18
PHSW
GND
19
POL
not connected
→ servo driver
20
CFL4
→ servo driver
21
CFL3
servo driver → slide motor
22
OUT4A
servo driver → slide motor
23
OUT4B
24
VIN34
+A
servo driver → focus actuator
25
OUT3B
26
PGND34
GND
servo driver → focus actuator
27
OUT3A
servo driver → track actuator
28
OUT1A
29
PGND12
GND
servo driver → track actuator
30
OUT1B
31
VIN12
+A
servo driver → disc motor
32
OUT2B
servo driver → disc motor
33
OUT2A
→ servo driver
34
CFL1
→ servo driver
35
CFL2
36
VG
VG
3-1
Description
output of current amplifier 4
output of current amplifier 6
output of current amplifier 3
output of current amplifier 1
output of current amplifier 5
output of current amplifier 2
control pin for switching the laser on/off
laser supply voltage
equalized output voltage of sum signal of amplifiers 1...4
unequalized output
control pin for gain switch
control pin for HF-equalization switch
external capacitor (bandwidth of ALPC)
reference input
0V supply, substrate connection
current output to laser diode
laser monitor diode input
positive supply voltage
photo detector input 2 (not used)
photo detector input 5 (satellite)
photo detector input 1 (central)
photo detector input 3 (central)
photo detector input 6 (satellite)
photo detector input 4 (central)
Description
ground (control part)
power supply input (control part)
error level input (disc speed error signal)
filter capacitor connection in ABS amp circuit section
filter capacitor connection in ABS amp circuit section
error level input (radial error signal)
filter capacitor connection in ABS amp circuit section
filter capacitor connection in ABS amp circuit section
limit control level signal input
control reference voltage input (VR=VLG/2)
clock signal input
filter capacitor connection in ABS amp circuit section
filter capacitor connection in ABS amp circuit section
error level input (focus error signal)
filter capacitor connection in ABS amp circuit section
filter capacitor connection in ABS amp circuit section
error level input (slide error signal)
CH4 mode setup (if PHSW=high, CH4 operates half-bridge)
CH4 polarity monitor output
pin for connecting filter capacitor
pin for connecting filter capacitor
H-bridge output A
H-bridge output B
CH3 and CH4 output stage power supply
H-bridge output B
CH3 and CH4 output stage ground
H-bridge output A
H-bridge output A
CH1 and CH2 output stage ground
H-bridge output B
CH1 and CH2 output stage power supply
H-bridge output B
H-bridge output A
pin for connecting filter capacitor
pin for connecting filter capacitor
power supply input (predriver circuit)
CS 46 646
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