Ic pin function description – Sony MDX-61 User Manual
Page 19
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Pin No.
Pin Name
I/O
Function
3-8.
IC PIN FUNCTION DESCRIPTION
SERVO BOARD IC100 CXA1981AR (RF AMP)
1
VC
O
Output terminal for the center point voltage (1/2 VCC) generated
2-7
A-F
I
Signal input from detector circuit in the optical pick-up block
8
FI
I
Signal input of the operational amplifier for F signal
9
FO
O
Signal output of the operational amplifier for F signal
10
PD
I
Front monitor Connected to the photo diode
11
APCREF
I
Input terminal for the setting of laser power
12
TEMPI
I
Terminal for the connection to temperature sensor Not used this set (OPEN)
13
GND
–
Ground terminal
14
AAPC
O
LD amplifier output terminal of APC circuit
15
DAPC
O
Not used (OPEN)
16
TEMPR
O
Output terminal of the reference voltage for temperature sensor Not used this set (OPEN)
17
XRST
I
Reset signal input from the system controller (IC600) When reset : “L”
18
SWDT
I
Write data signal input from the system controller (IC600)
19
SCLK
I
Clock signal input from the system controller (IC600)
20
XLAT
I
Latch signal input from the system controller (IC600)
21
VREF
O
Reference voltage output Not used this set (OPEN)
22
TENV
O
Not used (OPEN)
23
THLD
I
Not used (OPEN)
24
VCC
–
Power supply terminal (+3.3V)
25
TFIL
I
Not used (OPEN)
26
TE
O
Tracking error signal output to CXD2535CR (IC200)
27
TLB
I
Input terminal of the adder signal to tracking error
Not used this set (OPEN)
28
CSLED
I
Terminal for the sled error lowpass filter
29
SE
O
Sled error signal output to CXD2535CR (IC200)
30
ADFM
O
FM signal output terminal of the ADIP
31
ADIN
I
Input terminal by AC coupling is FM signal of the ADIP
32
ADAGC
I
External capacitor connect terminal for AGC of the ADIP
33
ADFG
O
ADIP double turned FM signal output to CXD2535CR (IC200) (22.05kHz
±
1kHz)
34
AUX
O
Sub signal output to CXD2535CR (IC200)
35
FE
O
Focus error signal output to CXD2535CR (IC200)
36
FLB
I
Input terminal of the adder signal to focus error
Not used this set (OPEN)
37
ABCD
O
Light amount signal output to CXD2535CR (IC200)
38
BOTM
O
Light amount bottom hold signal output to CXD2535CR (IC200)
39
PEAK
O
Light amount peak hold signal output to CXD2535CR (IC200)
40
PFAGC
I
External capacitor connect terminal of AGC circuit for the RF
41
RF
O
Playback EFM RF signal output to CXD2535CR (IC200)
42
ISET
I
Setting terminal for the internal circuit constant
22kHz, BPF center frequency
43
AGCI
I
Input terminal by AC coupling is RF signal
44
RFO
O
RF signal output terminal
45
MORFI
I
Input terminal by AC coupling is RF signal of the MO
46
MORFO
O
RF signal output terminal of the MO
47, 48
I, J
I
Signal input from detector circuit in the optical pick-up block