Sony HDW-750 Maintenance Manual page 516

11-3. Contents of Menus
11-3-2. RF System Self-Diagnosis Mode
(C1 : RF CHECK)
Checks the error conditions of the RF system during recording and
playback. Result of the self-diagnosis is displayed in 3 steps (GRN,
YEL and RED).
Operating procedure
1. Let the display show the top menu of VTR MAINTE menu.
(Refer to Section 11-2-2.)
2. Press the rotary encoder. (If a cassette tape is inserted, it is ejected
automatically.)
3. Select "C1 : RF CHECK" and press the rotary encoder. The RF
CHECK MENU display appears.
C11 : PB CH CONDITION
1. Select "C11: PB CH CONDITION" on the RF CHECK MENU
display and press the rotary encoder.
1 1 To diagnose all channels 1
1 1
1. Insert the alignment tape (HR5-1A : Part No. 8-960-076-01).
n
Select the portion of the alignment tape that has 2 minutes of
continuous recording.
2. Select ALL and press the rotary encoder.
3. The self-diagnosis starts from channel A.
If the alignment tape is not inserted, the message "INSERT HR5-
1A" appears and the cassette lid opens. When the alignment tape
is inserted, "WAITING ..." appears and then the self-diagnosis
starts.
11-14
RF CHECK MENU
C11:PB CH CONDITION
C12:REC CH CONDITION
RF CHECK MENU
C11:PB CH CONDITION
PUSH RE TO CHECK
CH RSLT CH
A B
C D
E F
G H
ALL
RF CHECK MENU
C11:PB CH CONDITION
NOW CHECKING...
CH RSLT CH
A GRN B
C YEL D
E F
G H
ALL
RSLT
RSLT
GRN
GRN
HDW-750/750CE V1