JVC LT-32SH6/A, Руководство по обслуживанию

Страница: 16 / 61

1-16 (No.YA382)
SECTION 5
TROUBLESHOOTING
The Ver. or Hor. sync
does not hold
Tighten flex cable
at P003
End
Are the output of
SVP-EX52
(CLK, H, V, DE)
normal
Are flex cable
attached firmly
at P003
Are the input
waveforms of
SVP-EX52 normal
Tighten two flex
cables at P003
Replace V901
(LCD panel)
Are flex cable
attached firmly at
the LCD panel
connectors
Replace I037
(SVP-EX52)
End End
End
Replace I025
Replace I009
Replace I028
The Voltage of
I001 #2 is 5V
The Voltage of
I025 #2 is 3.3V
The Voltage of
I009 #2 is 3.3V
The Voltage of
I028 #2 is 2.5V
Next
Replace I001
YES
YES
YES
YES
End
NO
NO
NO
NO
Replace I037
(SVP-EX52)
The Voltage of
I019 #2 is 3.3V
The Voltage of
I004 #2 is 1.8V
The Voltage of
I003 #2 is 1.8V
YES
YES
YES
Replace I004
Replace I003
NO
NO
NO
Replace I019
No picture appwear
Replace P807
Replace PSU1
Replace P002A
Check I013
socketis
loosened
Replace I013
Restart PC signal
to ensure H.V. sync
are not absent
Reset the
MCU (I016)
Replace I016
MCU (I016) Hangs
Next
End
End
End
The Voltage of
I013 #36 is 5V
The Voltage of
P002 #3 #4 is 5V
Does the LED
light up
LED display is
amber
Is it entering into
power saving mode
Check if the Power
Cord has been well
connected to TV?
Is the input voltage
applied to Power
supply unit?
(Cnl #3 #4 is 5V)
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO NO
NO
NO
NO
Picture
shows
Still no
Picture