7
DPX-MP3110/MP3110S
DPX-MP5110U/MP5110US
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC6
D3.3V REG.
Power supply for digital 3.3V.
IC11
BU1.5V REG.
Power supply for back-up 1.5V.
Q1
APC (Auto Power Control)
Drives LD (Laser Diode).
Q13
Inverter
Inverts ZDET signal.
D2
Laser Diode Protection
Prevents reverse bias which is applied to laser. Laser destruction prevention.
D3,4
Static Electricity Countermeasure
Prevents malfunction by static electricity.
COMPONENTS DESCRIPTION
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM
μ
-COM: IC500 on X34- (ELECTRIC UNIT)
Pin No.
Pin Name
I/O
Application
Truth Value
Table
Processing / Operation / Description
1
WIRED REMO
I
Remote control signal input
Pulse width detection
2
CD MOTOR
O
CD motor control
q
Refer to the truth value table
3
CD LOEJ
I/O CD motor control
q
Refer to the truth value table
4
DRIVEMUTE
O
CD motor driver mute output (When Bolero is
connected, this pin in not used)
5
PON CD
I/O
CD mechanism inner power supply (When Bo-
lero is connected, this pin in not used)
H: ON, Hi-Z: OFF
6
BYTE
-
7
CNVSS
-
8
XCIN
-
32768Hz
9
XCOUT
-
32768Hz
10
RESET
-
11
XOUT
-
12MHz
12
VSS
-
13
XIN
-
12MHz
14
VCC1
-
15
NMI
-
Not used
16
CD LOE LIM SW
I
CD chucking detection
H: Loading completed, L: No disc
17
CD MSTOP
O
CD mechanism
μ
-com stop (MP3110/S)
H: Normal, L: Mechanism stopped
17
SOC SSTOP
O
Bolero stop (MP5110U/US)
H: Normal, L: SOC (System On Chip) stopped