Self-Diagnosis Display; Self-Diagnosis Contents And Mechanism Mode Display - Sony SLV-L45AR Service Manual

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SELF-DIAGNOSIS DISPLAY

Mechanism Mode Display / Head Output Drop Warning Display / Cylinder Rotation Accumulated
Time 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. Some models (listed later) will also display the cylinder
rotation accumulated time.
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 reception channel display of 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 and the cylinder
accumulated rotation time display described later (some models only) 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.
Display panel
TE
L 13942296513
Self-Diagnosis Contents
No.
Problem
00 There is no abnormality in the mechanism.
The cylinder motor does not rotate.
01
The take-up reel does not rotate.
02
The capstan motor does not rotate.
03
The tape cannot be loaded with the
cassette inserted.
(But unloading can be performed.)
04
www
Tape loading and unloading cannot
.
be performed with the cassette
05
inserted.
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Self-Diagnosis number
(Reception channel display)
Main Possible Cause
• The cylinder motor is faulty.
• The control of the cylinder motor is
faulty.
• The tape winds around the cylinder.
• The take-up reel is caught.
• The reel belt is faulty.
• The take-up torque has decreased.
• The capstan motor is faulty.
• The control of the capstan motor is
fauIty .
• Error in the operations of the tape
loading mechanism.
• Foreign particles in the tape
loading mechanism.
• The tape end sensor is faulty.
• The reel brake of the tape cassette
x
ao
u163
has not been released.
y
i
• The tape guide is caught.
• The loading motor is faulty.
• The control of the loading motor is
faulty.
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2 9
8
Q Q
3
6 7
1 3
1 5
Mechanism mode number
(Tape counter "Seconds" display)
Mechanism Operations and
State After Occurrence
Shifts to the STOP mode.
Shifts to the STOP mode.
Shifts to the STOP mode.
Unloads, shifts to the INITIAL mode,
and the power goes off.
co
.
The power is forcibly turned off with
the mechanism at its current position.
6-2
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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