48
MZ-N505
6-11.
IC PIN FUNCTION DESCRIPTION
•
IC501 SN761057A (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No.
Pin Name
I/O
Description
1
TE
O
Tracking error signal output to the system controller
2
REXT
—
Connect terminal to the external resistor for the ADIP amplifier control
3
WPP-LPF
—
Connect terminal to the external capacitor for the TPP/WPP low-pass filter
4
VREF
O
Reference voltage output terminal
5
C
I
Signal (C) input from the optical pickup detector
6
D
I
Signal (D) input from the optical pickup detector
7
D-C
I
Signal (D) input from the optical pickup detector (AC input)
8
IY
I
I-V converted RF signal (IY) input from the optical pickup detector
9
IX
I
I-V converted RF signal (IX) input from the optical pickup detector
10
JX
I
I-V converted RF signal (JX) input from the optical pickup detector
11
JY
I
I-V converted RF signal (JY) input from the optical pickup detector
12
A
I
Signal (A) input from the optical pickup detector
13
A-C
I
Signal (A) input from the optical pickup detector (AC input)
14
B
I
Signal (B) input from the optical pickup detector
15
TON-C
—
Connect terminal to the external capacitor for TON hold
16
CIG
—
Connect terminal to the external capacitor for the low-pass filter of NPP divider
denominator
17
CDN
—
Connect terminal to the external capacitor for the low-pass filter of CSL divider
denominator
18
PD-NI
I
Light amount monitor input terminal (non-invert input)
19
PD-I
I
Reference PWM signal input for the laser automatic power control from the system controller
20
PD-O
O
Light amount monitor output terminal
21
ADFG
O
ADIP duplex FM signal (22.05kHz
±
1kHz) output to the system controller
22
DVDD
—
Power supply terminal (+2.3V) (digital system)
23
SBUS
I/O
SSB serial data input/output with the system controller
24
SCK
I
SSB serial clock signal input from the system controller
25
XRST
I
Reset signal input from the system controller “L”: reset
26
OFTRK
I
Off track signal input terminal Not used
27
DGND
—
Ground terminal (digital system)
28
BOTM
O
Bottom hold signal output of the light amount signal (RF/ABCD) to the system controller
29
PEAK
O
Peak hold signal output of the light amount signal (RF/ABCD) to the system controller
30
VREF075
—
Connect terminal to the external capacitor for the internal reference voltage
31
VC
O
Middle point voltage (+1.2V) generation output terminal
32
CCSL2
—
Connect terminal to the external capacitor for the TPP/WPP low-pass filter
33
RF OUT
O
Playback EFM RF signal output to the system controller
34
AGND
—
Ground terminal (analog system)
35 to 37
EQ, LP, PS
—
Connect terminal to the external capacitor for the RF equalizer
38
AVCC
—
Power supply terminal (+2.3V) (analog system)
39, 40
OFC-2, OFC-1
—
Connect terminal to the external capacitor for the RF AC coupling
41
ABCD
O
Light amount signal (ABCD) output to the system controller
42
FE
O
Focus error signal output to the system controller
43
S-MON
O
Servo signal monitor output to the system controller
44
ADIP-IN
I
ADIP duplex FM signal (22.05kHz
±
1kHz) input terminal Not used
Summary of Contents for MZ-N505 OpenMG Jukebox NOTES on installing & operating
Page 65: ...MZ N505 65 MEMO ...
