3-31
DNW-A220
DNW-A220P
For Check Failure
Change the playback portion on the tape, then recheck.
If no check failure occurs again, a trouble is considered to exist in the previously played back portion.
Confirmation of cassette tape
Check failure occurs if the no-recorded portion is played back or the recording format is not in Betacam
SX.
Moreover, check failure will also occur on the tape recorded by the failled Betacam SX VTR. Confirm
that the tape can be correctly played back by the other normal operating Betacam SX VTR.
If no trouble is found on the played back tape
The possible cause below are considered.
.
Heads clogging
8
Perform steps (1) to (5) of “For Condition NG” on previous page.
.
VTR’s servo system adjustment defect or circuit defect
8
Readjust the servo system. (A0 : SERVO ADJUST)
8
Check the servo system. (C03 : REEL/CAPSTAN MOTOR & FG CHECK)
.
Brush/slip ring assembly defect or its part installation/connection defect
8
Replace or reinstall the brush/slip ring assembly. (Refer to the maintenance manual part 2, vol-
ume-1.)
.
Harness (between EQ-72 board and drum assembly) connection defect
.
RF system adjustment defect
8
Readjust the RF system. (A1 : RF ADJUST)
.
EQ-72 board defect
.
Drum assembly defect
3-2. TAPE Maintenance Mode (M0)
3-2-3. RF CHECK Mode (C1)
