JVC MX-J170V - Data Amplifier and Laser Supply

MX-J170V
1-42
SYMBOLPIN.No
Function
LD1 current output to laser diode
V
DD(L)
2 laser supply voltage
CFIL3 external Þlter capacitor
MON4 laser monitor diode input
DIN5 central diode input
GND6 ground
PWRON7 power-on select input
CMFB8 common mode feedback voltage
input
RFFB9 external RF feedback resistor
RFEQO10 RF ampliÞer output
CDRW1 gain select input for CD-A/V , CD-R/W
EQSEL12 equalizer/speed select input
(n = 1, 2 or 4)
V
DD
13 supply voltage
RGADJ14 external laser supply gain adjust
resistor
TZA1024
1
2
3
4
5
6
7
8
14
13
12
11
10
9
LD
V
DD(L)
CFIL
MON
DIN
GND
PWRON
CMFB
RFFB
RFEQO
CDRW
EQSEL
V
DD
RGADJ
TZA1024 (IC024) : Data ampliÞer and laser supply
1. Pin Layout
2. Pin function
3. Block diagram
MGR517
250
kHz
8
4×
2×
1×
TZA1024
14
3
7
10
1
12
9
V/I
V/I
V
DD(L)
V
DD
V
DD
GND
26
V
GAP
MON
4
(1)
DIN
5
CDRW
11
V
DD
13
LD
CFIL
PWRON
RGADJ
CMFB
RFFB
RFEQO
EQSEL