Service manual

QT-CD700W
29
FUNCTION TABLE OF IC201A
Terminal
No.
Terminal
Name
Analog/
Digital
I/O Function
Equivalent
circuit
1 AVDDI Analog - Analog power terminal for RF system -
2 AC Analog I A+C voltage input terminal from pickup 1
3 BD Analog I B+D voltage input terminal from pickup 1
4 VBIAS Analog O Bias level (VDD/2) output terminal 2
5 E Analog I E voltage input terminal from pickup 1
6 F Analog I F voltage input terminal from pickup 1
7 AGND1 Analog - GND terminal for RF system analog -
8 FEN Analog I Focus error to amplifier feedback input terminal 3
9 FEO Analog O Focus error output terminal 3
10 PKC Analog O RF signal peak detector capacity connecting terminal 4
11 BTC Analog O RF signal bottom detector capacity connecting terminal 5
12 PD Analog I APC photo detector input terminal 6
13 LD Analog O APC laser drive output terminal 6
14 ASY Analog I C-fitted terminal for comparator slice for asymmetric correction 7
15 AVDD2 Analog - Servo system analog power terminal -
16 PCO Analog O PLL PCO output terminal 8
17 FCO Analog O PLL FCO-DAC output 8
18 AGND2 Analog - Servo system analog GND terminal -
19 FDOUT Analog O Focus drive output 9
20 JUMPO Analog O Tracking jump pluse output terminal 9
21 TDOUT Analog O Tracking drive output terminal 9
22 SDIN Analog I Sled signal input terminal 10
23 SDOUT Analog O sled drive output terminal 9
24 CLVOUT Analog O CLV drive output terminal 9
25 ADC0 Analog I Analog data input / 1-bit input terminal 11
26 ADC1 Analog I Analog data input / 1-bit input terminal 11
27 CLK88 Digital O Clock output terminal for driver IC 12
28 LON Digital O Laser ON control output terminal 12
29 P20/COM0 Digital I/O 4-bit parallel output port / LCD common output terminal 11
30 P21/COM1 Digital I/O 4-bit parallel output port / LCD common output terminal 11
31 P22/COM2 Digital I/O 4-bit parallel output port / LCD common output terminal 11
32 P23/COM3 Digital I/O 4-bit parallel output port / LCD common output terminal 11
33 SEG0 Digital O 4-bit parallel output port / LCD segment output terminal 11
34 SEG1 Digital O 4-bit parallel output port / LCD segment output terminal 11
35 SEG2 Digital O 4-bit parallel output port / LCD segment output terminal 11
36 SEG3 Digital O 4-bit parallel output port / LCD segment output terminal 11
37 SEG4 Digital O 2-bit parallel output port / LCD segment output terminal 11
38 SEG5 Digital O 2-bit parallel output port / LCD segment output terminal 11
39 SEG6 Digital O 1-bit output port / LCD segment output terminal 11
40 P00 Digital I/O 4-bit parallel inout orontput terminal (Open Drain output type) 11
41 P01 Digital I/O 4-bit parallel inout orontput terminal (Open Drain output type) 11
42 P02 Digital I/O 4-bit parallel inout orontput terminal (Open Drain output type) 11
43 P03 Digital I/O 4-bit parallel inout orontput terminal (Open Drain output type) 11
44 P10 Digital I/O 2-bit parallel inout orontput terminal (Open Drain output type) 11
45 P11 Digital I/O 2-bit parallel inout orontput terminal (Open Drain output type) 11
46 PWC/W Digital I Pulse input / General 1-bit input terminal 11
47 RESETB Digital I System reset terminal ("L" reset condition) 13
48 DVDD Digital - Digital power terminal -
Description of Terminals (1/2)