Sanyo VHR-VX400 Service Manual page 2

SELF-DIAGNOSIS DISPLAY
Mechanism Mode Display / Head Output Drop Warning Display
This unit displays the diagnosis contents of abnormalities and the mechanism mode on its display panel in 2-digit numbers.
When the head playback output has dropped, the "L" sign will be blinked.
These display shows the outline of the problems. Use it as a reference when servicing the unit.
1. Self-Diagnosis Contents and Mechanism Mode Display
When the STOP button on the remote control is pressed for about 10 seconds continuously, the self-diagnosis number will be
displayed on the display panel and number indicating the failed mechanism mode (changed mode when being shifted) on the tape
counter "seconds" display for 10 seconds each.
During self-diagnosis display, displays other than the diagnosis number/mechanism mode number will be turned off and when
displays end, the normal display will be returned automatically.
Refer to "Self-Diagnosis Contents" for the self-diagnosis numbers and the "Mechanism Mode Display Contents" for the
mechanism mode numbers.
When the "0:' button on the remote control unit is pressed during display, and clearing the self-diagnosis display and mechanism
mode display.
Self-Diagnosis number
Mechanism mode number
(Tape counter "Seconds" display)
Self-Diagnosis Contents
No.
Problem Main Possible Cause
Mechanism Operations and
State After Occurrence
00 There is no abnormality in the mechanism.
The cylinder motor does not rotate.
The cylinder motor is faulty. Shifts to the STANDBY mode, and
01
The control of the cylinder motor is
the power goes off.
faulty.
The tape winds around the cylinder.
The take-up reel or supply reel does Thetaleup aorsupiW@ iscaught.
Shifts to the STANDB'f mode. and
02
not rotate. The reel belt is faulty.
the power goes off.
The reel torque has decreased.
The capstan motor does not rotate.
The capstan motor is faulty.
03
Shifts to the STANDBY mode, and
The control of the capstan motor is the power goes off.
faulty.
The tape cannot be loaded with the Error in the operations of the tape
Unloads, shifts to the INITIAL mode,
cassette inserted.
loading mechanism.
and the power goes off.
(But unloading can be performed.)
Foreign particles in the tape load-
04 ing mechanism.
c The tape end sensor is faulty.
The reel brake of the tape cassette
has not been released.
Tape loading and unloading cannot The tape guide is caught.
The power is forcibly turned off with
05
be performed with the cassette in- The loading motor is faulty.
the mechanism at its current position.
serted.
The control of the loading motor is
faulty.
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