Read Sharp LC-10A3E (serv.man7) Service Manual online
12
LC-10A3E
TROUBLE SHOOTING TABLE
No
No Power (Power LED indicator still in red)
Go to the adjustment process mode.
Move the cursor to ERROR NO RESET
and click on it (to reset to zero).
and click on it (to reset to zero).
Turn off the power.
Is the power turned on again?
1
+B-ADJ
160
MODEL
A3E
INCH SIZE
10
TIMER
1
NTSC PWM FREQ
OCO
PAL PWM FREQ
OBD
TV GAIN
OFF
ERROR NO RESET
5
PMUTE
00
Check the back light lamp, D753, D754, Q757,
Q3600-2 and their peripheral parts as well as pin
(42) of IC2001.
Q3600-2 and their peripheral parts as well as pin
(42) of IC2001.
Note:
This model is equipped with the lamp error detection function
that detects the current flowing into the fluorescent lamp and
protects the backlight lamp drive circuit.
If a lamp error is detected, the microprocessor interrupts the
unit and the ERROR NO RESET setting will go up.
When the ERROR NO RESET setting has reached "5", the
microprocessor turns and keeps off the unit's power. To
resume the power, take the above procedure to clear the
ERROR NO RESET setting.
that detects the current flowing into the fluorescent lamp and
protects the backlight lamp drive circuit.
If a lamp error is detected, the microprocessor interrupts the
unit and the ERROR NO RESET setting will go up.
When the ERROR NO RESET setting has reached "5", the
microprocessor turns and keeps off the unit's power. To
resume the power, take the above procedure to clear the
ERROR NO RESET setting.
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