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MZ-E501
6-8. IC PIN FUNCTION DESCRIPTION
• IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No.
Pin Name
I/O
Description
1
TE
O
Tracking error signal output to the system controller (IC601)
2
REXT
I
Connect terminal to the external resistor for ADIP amp control
3
WPPLPF
I
Connect terminal to the external capacitor for TPP/WPP low-pass filter
4
VREF
O
Reference voltage output terminal (+1.1V)
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
I
Connect terminal to the external capacitor for TON hold
16
CIG
I
Connect terminal to the external capacitor for the low-pass filter of NPP divider
denominator (Not used in this set)
17
CDN
I
Connect terminal to the external capacitor for the low-pass filter of CSL divider
denominator (Not used in this set)
18
PD-I
I
Light amount monitor input terminal (invert input)
19
PD-NI
I
Light amount monitor input terminal (non-invert input)
20
PD-O
O
Light amount monitor output terminal
21
ADIP
O
ADIP duplex FM signal (66.15kHz
±
3kHz) output to the system controller (IC601)
22
DVDD
I
Power supply terminal (+1.9V) (digital system)
23
SBUS
I/O
SSB serial data input/output with the system controller (IC601)
24
SCK
I
SSB serial clock signal input from the system controller (IC601)
25
XRST
I
Reset signal input from the system controller (IC601) “L”: reset
26
OFTRK
I
Off track signal input from the system controller (IC601)
27
DGND
I
Ground terminal (digital system)
28
BOTM
O
Bottom hold signal output of the light amount signal (RF/ABCD) to the system controller
(IC 601)
29
PEAK
O
Peak hold signal output of the light amount signal (RF/ABCD) to the system controller
(IC 601)
30
VREF
I
Connect terminal to the external capacitor for the internal reference voltage
31
VC
O
Middle point voltage (+1.2V) generation output terminal
32
CCSL2
I
Connect terminal to the external capacitor for TPP/WPP low-pass filter (not used in this set)
33
RF OUT
O
Playback EFM RF signal output to the system controller (IC601)
34
AGND
I
Ground terminal (analog system)
35~37
EQ, LP, PS
I
Connect terminal to the external capacitor for the RF equalizer
38
AVCC
I
Power supply terminal (analog system) (+2.2V)
39, 40
OFC2, OFC-1
I
Connect terminal to the external capacitor for RF AC coupling
41
ABCD
O
Light amount signal (ABCD) output to the system controller (IC601)
42
FE
O
Focus error signal output to the system controller (IC601)
43
S-MON
O
Servo signal monitor output to the system controller (IC601)
44
ADIP-IN
I
ADIP duplex FM signal (66.15kHz
±
3kHz) input terminal, 3 times speed
Summary of Contents for MZ-E501
Page 36: ...36 MZ E501 MEMO ...
