7
KDC-1032/132/132CR
KDC-133/233/234SGY
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
CD MECHANISM
µ
-COM : IC2 on X32- (CD PLAYER UNIT)
Pin No.
Pin Name
I/O
Application
Processing Operation
1
TVD
O
Traverse drive output (PWM output)
2
SPL
O
Spindle motor drive output (PWM output)
3
NC
-
No connection
4
PWM
O
Multipurpose PWM output
5
TBAL
O
Tracking balance adjustment output (PWM output)
6
FBAL
O
Focusing balance adjustment output (PWM output)
7
NRFDET
I
RF detection signal input
L: Detection
8
OFT
I
Off-tracking signal input
H: Detection
9
BDO
I
Drop-out signal input
H: Detection
10
LDON
O
Laser-on signal output
H: Focus ON
11
DSLB
O
DSL balance output
12
DVDD1
-
Power supply for digital circuit
13
DVSS1
-
GND for digital circuit
14
AVSS2
-
GND for analog circuit
For DSL, PLL and A/D converter
15
DSLF
I/O
Loup filter for DSL and bias output for ARF
16
ARF
I
RF signal input
17
RFSW
I
DSL circuit time constant switch
18
PLLF
I/O
Loup filter for PLL
19
PLLF2
I/O
Loup filter character switch for PLL
20
IREF
I
Reference current input
21
RFENV
I
RF envelope signal input
22
TRCRS
I
Tracking cross signal input
23
TE
I
Tracking error signal input
24
FE
I
Focusing error signal input
25
AVDD2
-
Power supply for analog circuit
For DSL, PLL and A/D converter
26
AVSS1
-
GND for analog circuit
For Lch/Rch audio output
27
OUTR
O
Rch audio output
28
AVDD1
-
Power supply for analog circuit
For Lch/Rch audio output
29
OUTL
O
Lch audio output
30
DVSS3
-
GND for digital circuit
31
CSEL
-
32
NC
-
No connection
33
ASEL
-
34
MSEL0
-
35
MSEL1
-
36~39
NC
-
No connection
40
VREFP
-
Reference power supply input for A/D converter
41
HOT
-
42
8EJE SW
-
