cxa1782cq Sony Electronics, cxa1782cq Datasheet - Page 25
cxa1782cq
Manufacturer Part Number
cxa1782cq
Description
Rf Signal Processing Servo Amplifier For Cd Players
Manufacturer
Sony Electronics
Datasheet
1.CXA1782CQ.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CXA1782CQ
Manufacturer:
SONY
Quantity:
11
Part Number:
CXA1782CQ
Manufacturer:
SONY/索尼
Quantity:
20 000
3. $2X (“TZC” at SENS pin (Pin 24))
These commands deal with turning the tracking servo and sled servo ON/OFF, and creating the jump pulse
and fast forward pulse during access operations.
[ A]
[ B]
[ E]
[ G]
[ C]
[ D]
[ F]
[ H]
Tracking error
D7
0
0V
(TZC)
RF_I
From inner to outer track
D6
0
46
30
[ A]
[ D]
Envelope Detection
Waveform Shaping
D5
Fig. 6. TMI movement during braking operation
1
D4
Fig. 7. Internal waveform
0
[ B]
[ E]
Waveform Shaping
Edge Detection
– 25 –
D3
Tracking
control
00: OFF
01: Servo ON
10: F-JUMP
11: R-JUMP
TM1, TM3, TM4
CXA1782
From outer to inner track
(MIRR)
(Latch)
D2
[ C]
[ F]
D
CK
Q
[ G]
D1
BRK
Sled
control
00: OFF
01: Servo ON
10: F-FAST FORWARD
11: R-FAST FORWARD
TM2, TM5, TM6
D2
D0
(“MIRR”)
(“TZC”)
Braking is
applied from
here.
TM7
Low: open
High: make
CXA1782CQ/CR