Panasonic JS-170FR Series Service Manual page 96

2) Random Access Memory test
(1) Enter "2-ENTER" through the keyboard.
***** 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
F1=STOP / CONTINUE
(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
RAM address
RAM address bit = 24 bits
When one 64Mbyte DIMM units is mounted:
RAM size
RAM address
RAM address bit = 25 bits
LCD DISPLAY
F2=STOP / MENU
F2=STOP / MENU
= 32768KB
= 1FFFFFFH
= 65536KB
= 3FFFFFFH
3-12
TEST=RUN