– 20 –
1
DEFI
I
Defect detection signal (DEF) input. ("L" is applied when not used.)
2
TAI
I
For PLL/Test input. (Connected to 0V)
3
PDO
O
Phase comparison output to control the external VCO.
4
VVSS
–
Ground of the built-in VCO. Normally 0V.
5
ISET
I
For the connection of a resistor which adjusts the PDO output current.
6
VVDD
–
Power supply of the built-in VCO.
7
FR
I
Adjusts the VCO frequency range.
8
VSS
–
Ground of digital circuits. Normally 0V.
9
EFMO
O
For slice level control/EFM signal output.
10
EFMIN
I
EFM signal input.
11
T2
I
Test input. A pull-down resistor is incorporated. (Connected to 0V)
12
CLV+
O
Disc motor control tri-state output.
13
CLV-
14
V/P
O
Output to monitor the automatic switching between the rough servo control and phase servo
control. "H" : Rough servo, "L": Phase servo.
15
HFL
I
Track detection signal input. Schmitt trigger input.
16
TES
I
Track error signal input. Schmitt trigger input.
17
TOFF
O
Tracking off output.
18
TGL
O
Tracking gain switching output. "L" raises the gain.
19
JP+
O
Track jump control tri-state output.
20
JP-
21
PCK
O
Monitors the clock signal for EFM data playback. 4.3218MHz when the phase is locked.
(Not used)
22
FSEQ
O
Sync signal detection output. Goes "H" when the sync signal detected from the EFM
signal matches the sync signal generated internally. (Not used)
23
VDD
–
Power supply of digital circuits.
24
SL+
O
Controlled by serial data command issued by the microprocessor.
25
SL–
O
Controlled by serial data command issued by the microprocessor.
26
NC
–
Not connected.
27
PU IN
I
CD pickup inside limit switch.
28
RW
O
CD-RW disc select control.
29
EMPH
O
Deemphasis monitor. "H": when playing a deemphasis disc. (Not used)
30
C2F
O
C2 flag output. (Not used)
31
DOUT
O
Output a digital OUT signal. (EIAJ format) (Not used)
32
T3
I
Test input. (Connected to 0V)
33
T4
34
NC
–
Not connected.
35
MUTEL
O
Lch 1-bit DAC/Lch muting output. (Not used)
36
LVDD
–
Lch power supply.
37
LCHO
O
Lch output.
38
LVSS
–
Lch ground. Normally 0V.
Description
Pin No.
Pin Name
I/O
IC DESCRIPTION
IC, LC78622NE
All manuals and user guides at all-guides.com
Summary of Contents for CSD-A240
Page 9: ...9 SCHEMATIC DIAGRAM 1 MAIN CD 1 2 All manuals and user guides at all guides com...
Page 10: ...10 SCHEMATIC DIAGRAM 2 CD 2 2 PN402 P101NR All manuals and user guides at all guides com...
Page 12: ...12 SCHEMATIC DIAGRAM 3 FRONT All manuals and user guides at all guides com...
Page 14: ...14 SCHEMATIC DIAGRAM 4 TUNER All manuals and user guides at all guides com...
Page 18: ...18 IC BLOCK DIAGRAM All manuals and user guides at all guides com...
