Sony DNW-A75 Maintenance Manual page 122

4-2. TAPE Maintenance Mode (M0)
4-2-4. RF CHECK Mode (C1)
Example of display and operation
When ALL is selected in C11 : PB CH CONDITION.
Superimposed display
RF CHECK MODE
C11:PB CH CONDITION
Auto Check (Push SET)
ch RSLT ch RSLT
A1 B1
A2 B2
A5 B5
A6 B6
NA NB
*
ALL
(1) 0
Insert SR5-1/SR5-1P
(2) 0
Select
[SET]
(3) 0
RF CHECK MODE
C11:PB CH CONDITION
Auto Tracking ...
ch RSLT ch RSLT
A1 B1
A2 B2
A5 B5
A6 B6
NA NB
*
ALL
0
RF CHECK MODE
C11:PB CH CONDITION
Auto Checking ...
ch RSLT ch RSLT
A1 B1
A2 B2
A5 B5
A6 B6
NA NB
*
ALL
0
RF CHECK MODE
C11:PB CH CONDITION
Auto Check Complete
ch RSLT ch RSLT
A1 GRN B1
A2 B2
A5 B5
A6 B6
NA NB
*
ALL
0
RF CHECK MODE
C11:PB CH CONDITION
Auto Tracking ...
ch RSLT ch RSLT
A1 GRN B1
A2 B2
A5 B5
A6 B6
NA NB
*
ALL
0
(omitted)
0
(continue)
4-32
Time data display area
C11 -ALL
(continued)
0
RF CHECK MODE
C11:PB CH CONDITION
Auto Check Complete
ch RSLT ch RSLT
A1 GRN B1 GRN
A2 GRN B2 GRN
A5 GRN B5 GRN
A6 GRN B6 GRN
NA GRN NB GRN
*
ALL GRN
0
(4)
Check
[MENU]
0
(5)
For Check Failure (C11)
Recheck after changing the portion on the tape.
If no check failure occurs again, a trouble is considered to
exist on the tape portion used in the previously check.
Cassette tape check
Check failure occurs if using the tape recorded in other-
wise than Betacam SX format or the non-recorded tape.
Moreover, check failure will also occur on the tape record-
ed in the failed Betacam SX VTR. Confirm that the tape
can be correctly played back in the other normal operating
Betacam SX VTR.
If no trouble is found on the used tape
The possible cause below are considered.
. Heads clogging
8 Perform steps (1) to (9) of "For Condition NG
(C11)" on next page.
. 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, volume-1.)
. Harness (between EQ-75 board and drum assembly)
connection defect
. RF system adjustment defect
8 Readjust the RF system. (A1 : RF ADJUST)
. EQ-75 board defect
. Drum assembly defect
C11 -ALL
GRN
DNW-A75/A75P