RD-HD5MD/HD7
11
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Pin Description
1
MUTE
-
Mute control pin(Unused)
2
OUT1
O
L ch output
3
DET1
-
Unused
4
IN1
I
Input of REC output (L ch)
5
GND
-
GND
6
IN2
I
Input of REC output (R ch)
7
DET2
-
Unused
8
OUT2
O
R ch output
9
VCC
-
Power supply (+5.0V)
6-3 Rec Amplifier : BA6138 (IC205)
Pin No.
Pin Name
I/O
Pin Description
Active
H
L
1
BCLK
O
Bit clock output for SRDATA.
2
LRCK
O
L, R clock signal output.
3
SRDATA
O
Serial data output.
4
DVDD1
-
Digital power supply.
5
DVSS1
-
Digital ground.
6
TX
O
Digital audio interface signal output.
7
MCLK
I
CPC command clock signal input.
8
MDATA
I
CPU command data signal input.
9
MLD
I
CPU command load signal input.
Load
10
SENSE
O
Sense signal output(OFT, FESL, NACEND, NAJEND, SFG).
11
FLOCK
O
Focus servo signal output.
12
TLOCK
O
Tracking servo signal output.
13
BLKCK
O
Sub code block clock output. fBLKCK = 75Hz
14
SQCK
I
Sub code Q data clock input pin.
15
SUBQ
O
Sub code Q data signal output pin..
16
DMUTE
I
Connected to be ground.
Mute
17
STAT
O
Status signal output.
18
RST
I
Reset signal input.
Reset
19
SMCK
O
8.4672MHz clock signal output when MSEL is H.
4.2336MHz clock signal output when MSEL is L.
20
PMCK
O
88.2kHz clock signal output when default.
Play
Play signal output when command is carry out.
21
TRV
O
Traverse forced feed output.
22
TVD
O
Traverse drive output.
23
PC
O
Spindle motor on signal output. L : ON (Default)
24
ECM
O
Drive signal output for spindle motor (forced mode output).
25
ECS
O
Drive signal output for spindle motor (servo error signal output).
26
KICK
O
Kick pulse output for tracking driver.
27
TRD
O
Tracking servo drive output.
28
FOD
O
Focus drive output.
29
VREF
I
Reference power supply for DA output section.
30
FBAL
O
Focus balance adjusting output.
31
TBAL
O
Tracking balance adjusting output.
32
FE
I
Focus error signal input (analog input).
33
TE
I
Tracking error signal input (analog input).
34
RFENV
I
RF envelope signal input (analog input).
Vibrating detection signal input when default.
35
VDET
I/O Software vibrating detection monitor output when command is
Detected
executed.
36
OFT
I
Off track signal input.
Off Track
6-4 DSP IC : MN6627482WB( IC502)
