Radio Shack TRS-8O Service Manual page 108

Disk/video interface
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Cont'd from
Preceeding Page
Does
any read error
occur?
No
Is
No
the write circuit
>--
~
normal?
Go to the read circuit
check routine.
II
Go to the write
circuit routine.
- ~ , ~ "
..
r--'-----------------~--------,
Load a read test program from Drive 0, and replace the diskette of Drive 0 with the Diskette
used by the user.
- - ' - - - - - - - - - - - - -
Repeat a read test on TROO thru TR39 on Drive O.
Check the
compatibility.
Do
errors occur
frequently?
No
J
>----~
,
- - 1
On Drive 1, perform a read test on the diskette initialized by Drive O.
Do
errors occur
frequently?
Check the
compatibility.
No
The sample of Drive 1 is
normal.
.
The diskette of the user
is defective.
C-38

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