IBM 5100 - Page 54

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TAPE READ MAP
PAGE 42 OF 45
473
-Calibrate the CE meter (refer to 270).
-Measure -5 vdc between N2-P08 (gnd) and tape
control card pin S06 ( -5 vdc).
Is the voltage in tolerance (-4.6 vdc to -5.5
vdc)7
Y N
474
-If there is a cartridge in the tape drive,
remove it.
-Remove tape control card (refer to 202).
-Measure -5 vdc between N2-P08 (gnd) and
tape control card pin S06 (-5 vdc).
Is the voltage in tolerance (-4.6 vdc to -5.5
vdc)7
Y N
475
-Install the tape control card (refer to 202).
-Measure
-5 vdc between N2-P08 (gnd)
and E6-D02 ( -5 vdc).
1$ the voltage in tolerance (-4.6 vdc to
-5.5 vdc)7
Y N
476
-Measure
-5 vdc between N2-P08 (gnd)
and C1-El1 ( -5 vdc).
Is the voltage in tolerance (-4.6 vdc to
-5.5 vdc)7
Y N
477
The -5 vdc from the power supply is
not in tolerence.
Go
to MAP 0700, Entry Point A.
478
Repair the open connection from
C1-E11
to E6-D02 .
444
222
G G G
ABC
A A A
GG G
B D E ABC
5 5 5 444
MAP 0300-42
222
479
Check/replace the tape drive
cable (refer
to 202).
480
Defective tape control card (refer to
~02).
481
Defective tape control card (refer to
202).
482
Error 906--status error.
Subdevice address response status from
internal tape drive not active (status bit 1
was 1, should have been 0).
Defective F2 (base I/O) card.
483
Error 903--status error
Expected
ROS status from internal tape drive
was not active (specical status bit 4 was 1,
should have been 0).
Defective F2 (base I/O) card.
484
ERROR 901--STATUS ERROR.
Status other than
FF after an all device reset.
Defective
F2 (base I/O) card.
28SEP76
PN 1608386
EC 829670 PEC 828851
MAP 0300-42
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o
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