7-2
7-2. IC PIN FUNCTION
VCC
AGCAD
RFAD0
FNI
FPI
TPI
TNI
MDI
LDO
SEL
TEB
2VRO
TEN
TEO
SBAD
FEO
FEN
SEB
VRO
RFRP
BTC
RFCT
PKC
RFRPIN
RFGO
AGCIN
RFO
GND
RFN2
RFGC
—
I
I
I
I
I
I
I
O
I
I
O
I
O
O
O
I
I
O
O
I
O
I
I
O
I
O
—
I
I
I/O
Function
• IC101 RF AMP (TA2106N) / MA-C22 board
Pin No.
Pin Name
+5V power supply
RF system AGC AMP gain adjustment input (Not used)
RF AMP gain adjustment input
Main beam AMP input (Detector A,C)
Main beam AMP input (Detector B,D)
Sub beam AMP input (Detector F)
Sub beam AMP input (Detector E)
Monitor photodiode AMP input
Laser diode AMP output
APC circuit ON/OFF signal, LDO pin control input, and bottom/peak detection frequency
switching terminal *1
Tracking error balance control signal input controlled with temary PWM signal
(PWM carrier = 88.2kHz)
Reference voltage (2VREF) output (+4.2V)
Tracking error signal generating AMP inverted phase input
Tracking error signal generating AMP output
Sub beam addition signal output
Focus error signal generating AMP output
Focus error signal generating AMP inverted phase input
RFRP generating circuit mode selection input *2
Reference voltage (VREF) output (+2.1V)
Track count signal generating AMP output
Bottom detection constant adjustment terminal for RFCT signal generation
RFRP signal center level output
Peak detection constant adjustment terminal for RFCT signal generation
Track count signal generating AMP input
RF signal output
RF signal amplitude control AMP input
RF signal generation AMP output
Ground
RF signal generation AMP input
RF amplitude control signal input
RFGC input voltage : 0.5 to 3.5V AGC AMP transfer gain : 0.8 to 1.7 times (typical)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
*1
SEL
L
HiZ
H
APC circuit
OFF
ON
ON
LDO
Connected to VCC Via 1k
Ω
Outputs control signal
Outputs control signal
Detection frequency
Low
Low
High
*2
SEB
L
H
Bottom detection
ON
OFF
Peak detection
ON
ON
Содержание CDL1100
Страница 8: ...6 7 Power Supply Power Cord SONY Test Disc YEDS 18 CDL1100 CDM 47 Controller Function check ...
Страница 44: ...CDL1100 CD ROM DRIVE CDM 47 2 2 SECTION 7 23 7 24 ...
Страница 47: ......
Страница 48: ......
Страница 49: ......
Страница 50: ......
Страница 51: ......
Страница 52: ......
Страница 53: ......
Страница 54: ......
Страница 55: ......
Страница 56: ......
Страница 57: ......
Страница 58: ......
Страница 59: ......