11-17
HDW-750/750CE V1
n
When the adjustment fails and “CONDITION NG” is displayed,
check the followings in the order as shown below.
1.
Perform C11 : PB CH CONDITION check again using the
alignment tape (HR5-1A).
2.
If any abnormality is found, check the possible causes referring to
n
of C11 : PB CH CONDITION.
If abnormality cannot be found in the above check, perform the check
again in the following order shown below.
1.
Perform cleaning with the use of a cleaning tape and check the
“REC Channel Condition Check” using a working tape.
→
When no abnormality is found, this is the end of the check.
2.
Perform cleaning with the use of a cleaning tape again and repeat
the above check.
→
When no abnormality is found, this is the end of the check.
3.
Perform cleaning with the use of a cleaning cloth (referring to
Section 2-1) and repeat the above adjustment again.
→
When no abnormality is found, this is the end of the check.
If the check fails still, check the following possible causes.
.
Defective adjustment of the servo system, or servo circuit is
defective.
.
The playback heads inside the drum assembly were worn out.
.
Defective adjustment of tape run system, or part mounting is
defective.
.
EQ-88 board is defective.
.
Drum assembly is defective.
2
2
2
2
2
To check the desired channel only
1.
Insert a working tape (blank tape: BCT-40HD that is commercial-
ly available).
2.
Select the desired channel to check and press the rotary encoder.
3.
The check result appears in the selected channel only. (It is not
displayed in the ALL column.)
RF CHECK MENU
C12:REC CH CONDITION
COMPLETE
CH RSLT CH RSLT
A B
C D
E GRN F
G H
ALL
→
11-3. Contents of Menus
