cxa1372bs Sony Electronics, cxa1372bs Datasheet - Page 21

• Manufacturer Part Number: cxa1372bs
• Description: Rf Signal Processing Servo Amplifier For Cd Player
• Manufacturer: Sony Electronics

3. $2X (“TZC” at SENS (Pin 27))
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.
[ C]
[ D]
[ F]
[ H]
[ A]
[ B]
[ E]
[ G]
Tracking error
D7
0
0V
(TZC)
RFI
From inner to outer track
D6
0
39
42
[ A]
[ D]
D5
Waveform
Shaping
Envelope
Detection
1
Fig. 6. TM7 operation (brake circuit)
D4
Fig. 7. Internal waveform
0
[ B]
[ E]
Edge Detection
Waveform
Shaping
– 21 –
D3
Tracking
control
00: OFF
01: Servo ON
10: F-JUMP
11: R-JUMP
TM1, TM3, TM4
From outer to inner track
(MIRR)
(Latch)
D2
[ C]
[ F]
CK
D
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")
TM7
Low: open
High: make
Braking is
applied from
here.
CXA1372BQ/BS
[ H]