CA-500 Series S/M 3-16 Revised February 2004
19 TB200408
3.7.3 Setting and Adjustment
Setting and adjustments are not necessary.
3.7.4 LED and Test Point
There are no LEDs or test point.
3.8 PCB No. 6362 (MAIN; CPU, I/O, Motor Control, Temperature Control, A/D)
PCB No. 6373 (MAIN-2; CPU, I/O, Motor Control, Temperature Control, A/D)
New CPU board is mounted in following instruments. 19
CA-510 S/N: A1300 and thereafter
CA-520 S/N: A1018 and thereafter
CA-530 S/N: A1805 and thereafter
CA-540 S/N: A3405 and thereafter
CA-550 S/N: A1001 and thereafter
CA-560 S/N: A1001 and thereafter
3.8.1 Function
This PCB’s functions are CPU, I/O, Motor Control, Temperature Control, and A/D, etc.
(1) CPU
(2) Clock Generator Circuit
(3) Interrupt Controller Circuit
(4) Voltage Drop Monitor Circuit
(5) RESET, Backed-up Switching Circuit
(6) EEPROM, WORK RAM, B. B. RAM
(7) Real Time Clock
(8) PRCN1 Interface
(9) LCD Interface
(10) Serial Interface
(11) Touch Screen Interface
(12) ID Unit Interface
(13) MEMORY CARD Interface
(14) Sensor Entry
(15) DIP SW Entry
(16) Detector Block Interface
(17) Temperature Control Circuit
(18) Pressure Control Circuit
(19) Stepper Motor Control
(20) Vacuum Pump Drive
(21) SV Control, Sampler Table Lock Control
(22) Buzzer Control
(23) Mixing Motor Control
(24) Bus Interface