3-12
2)
Random Access Memory test
(1) Enter "2-ENTER" through the keyboard.
LCD DISPLAY
***** TEST # 2 Random Access Memory Test. *****
RAM write/Read Test.
16384 KB OK.
RAM Address is up to 00FFFFFFH
RAM Refresh Test.
16384 KB OK.
RAM Address Line Test
RAM Address Bit 23 OK.
Test done. Press any key.
F1=STOP / CONTINUE
F2=STOP / MENU
TEST=RUN
F1=STOP/ CONTINUE
F2=STOP / MENU
(2) Finish the test after checking the RAM capacity and displaying OK for all the diagnostic items.
(3) Press any key to obtain a menu screen for the diagnostic program.
(4) Inspection on a MAIN PWB unit should be carried out for each slot. Otherwise, two DIMM units should be mounted for
inspection.
When two 16Mbyte DIMM units are mounted:
RAM size
= 32768KB
RAM address
= 1FFFFFFH
RAM address bit = 24 bits
When one 64Mbyte DIMM units is mounted:
RAM size
= 65536KB
RAM address
= 3FFFFFFH
RAM address bit = 25 bits
Summary of Contents for JS-170FR Series
Page 2: ......
Page 10: ......
Page 30: ...1 20 ...
Page 80: ...2 50 ...
Page 101: ...3 17 LCD DISPLAY TEST 6 Video Test ENTER 1 OK or 2 NG ...
Page 134: ...4 JS 170FR PCB s 4 1 Main PCB 4 1 1 Main PCB Schematic Diagram 1 10 4 1 ...
Page 135: ...4 1 1 Main PCB Schematic Diagram 2 10 4 2 ...
Page 136: ...4 1 1 Main PCB Schematic Diagram 3 10 4 3 ...
Page 137: ...4 1 1 Main PCB Schematic Diagram 4 10 4 4 ...
Page 138: ...4 1 1 Main PCB Schematic Diagram 5 10 4 5 ...
Page 139: ...4 1 1 Main PCB Schematic Diagram 6 10 4 6 ...
Page 140: ...4 1 1 Main PCB Schematic Diagram 7 10 4 7 ...
Page 141: ...4 1 1 Main PCB Schematic Diagram 8 10 4 8 ...
Page 142: ...4 1 1 Main PCB Schematic Diagram 9 10 4 9 ...
Page 143: ...4 1 1 Main PCB Schematic Diagram 10 10 4 10 ...
Page 144: ...4 1 2 Main PCB Parts Location 4 11 ...
Page 145: ...4 2 MB PCB 4 2 1 MB PCB Schematic Diagram 4 17 ...
Page 146: ...4 18 4 2 2 MB PCB Parts Location ...
Page 148: ...4 3 Peripheral PCB 4 3 1 Peripheral PCB Schematic Diagram 4 20 ...
Page 149: ...4 21 4 3 2 Peripheral PCB Parts Location ...
Page 152: ...5 2 Main PCB 75 Peripherals ...
Page 153: ...5 3 Power Supply Peripherals ...
Page 154: ...5 4 Customer Display Peripherals ...
Page 155: ...5 5 LCD Peripherals ...
Page 156: ...5 6 Inverter PCB Peripherals ...
Page 161: ...Printed in Japan ...