Sony HDCAM HDW-F900R Maintenance Manual page 523

A003 : DRUM PHASE
Adjusts the drum phase.
The alignment tape (HR2-1A : Part No. 8-960-076-11) is required for
this adjustment. The alignment tape (HR2-1A) is used at the position
of 00 : 01 : 00 : 00 to 00 : 10 : 00 : 00.
Contents of this adjustment is same as that of "11-3-7. Mechanism
Adjustment Mode (A4 : MECHANISM ADJUST), A41 : DRUM
PHASE (Adjusts the drum phase)".
1. Select "A003: DRUM PHASE" on the SERVO ADJUST MENU
display and press the rotary encoder.
2 Press the rotary encoder again. The cassette lid opens automatical-
ly.
3. When the alignment tape (HR2-1A : Part No. 8-960-076-11) is
inserted, the adjustment starts automatically.
n
Be sure to use the specified alignment tape. If any tape other than
the specified alignment tape is used for this adjustment, the
correct drum phase cannot be obtained even though "COM-
PLETE" appears upon completion of adjustment.
4. The adjustment ends. (The adjustment data is automatically saved
in the servo system EEPROM (IC403/MDC-13G board)). The
alignment tape is ejected automatically.
When adjustment ends successfully :
The message "COMPLETE" appears.
When the adjustment fails :
The message "INCOMPLETE" appears.
m
When the adjustment fails, the message "INCOMPLETE"
appears, check the following possible causes and then perform
A003 : DRUM PHASE adjustment again.
. The alignment tape is not cued up to the correct position of 00 :
01 : 00 : 00.
. Tape running is abnormal during playback mode.
. IC303/MDC-13G board is defective.
. Signal circuit between MDC-13G board and the SS-92G board
is defective.
. Signal circuit between EQ-88G board and the MDR-14G board
is defective.
. Signal circuit between MDC-13G board and the MDR-14G
board is defective.
. Drum motor unit is defective.
HDW-F900R/V1 (E)
SERVO ADJUST MENU
A003:DRUM PHASE
PUSH RE TO ADJUST
SERVO ADJUST MENU
A003:DRUM PHASE
INSERT HR2-1A
SERVO ADJUST MENU
A003:DRUM PHASE
COMPLETE
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