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'.-
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4. RTC Check
*Check
INT cycle.
(Check OSC. of XTAL3)
5. MR. Accelerator
check.
*Transfer certain data from RLEX to RAM.
(Check the connection
of INT3)
6. TPH l/F Check
*Check the pulse width of strobe signal generated on
test purpose.
(Check the operation
of STBON, STBINT and the
connection)
*Data Transfer (Check the connection
of INT2)
IN CASE OF ERROR
(1) DISPIAY
X
: TEST No.
XX: ERROR CODE
(2) ERROR CODE
1. GATE ARREY 1/0
01: R/W ERROR
2. MODEM CHECK
01: No clock detection possible
02: 300BPS clock failure
03: 9600BPS clock failure
04: No DREQ detection possible
05: DREQ cycle failure
06: No 1100Hz detection possible
3. MUSIP CHECK
01: Cycle failure
02: Transfer failure
4, RTC CHECK
01: Cycle failure
5. MR ACCELERATOR CHECK
01: No data request
02: Data error
6. TPH l/F CHECK
01: Cycle failure of STBINT
02: Cycle failure of STBON
03: DATA transfer error (No transfer request)
SELF
CHECK
4
I
TEST
OK
I
TEST
X
ERROR
XX
\
—29—
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