Error Diagnostics; When Does The Error Code Appear - Sony HDW-750 Maintenance Manual

The HDW-750 has a built-in error diagnostics function for internal abnormalities.
Among the various functions of these error diagnostics, this section describes only the error codes. They
are displayed when an abnormality occurs in the tape run system and the self-diagnostics function which
displays the communication status of the devices on the various circuit boards.
In addition to the above error codes and self-diagnostics function, the HDW-750 has various warning
systems such as a warning indicator in the display window and a warning sound. For details of these
warning systems that are not described in this section, refer to the Operation Manual of the HDW-750.

3-1. When Does the Error Code Appear?

The warning indicator in the display window turns on when an abnormality occurs immediately after the
power is turned on or an abnormality occurs during normal operation. Note that only when the "SLACK"
indicator turns on the corresponding error code is displayed in the time code area of the display window.
n
The contents of the respective warning indicators are shown below for reference.
RF : Turns on when a video head is clogged.
SERVO : Turns on when a servo system malfunctions.
HUMID : Turns on when condensation occurs.
SLACK : Turns on when an abnormality occurs in the tape run system.
Warning display
HDW-750/750CE V1
Section 3

Error Diagnostics

DIAG PB VITC NDF EXT-LK
Error code
H MIN
TAPE E
BATT E
RF SERVO
OVER EMPH OVER
HOLD
0
V
H
10
SEC FRM
20
B
30
F
40
•
HUMID SLACK
1 2
PEAK dB
Display window
3-1