Troubleshooting - JVC LT-32SH6/A Service Manual

Reset the
MCU (I016)
Picture
shows
MCU (I016) Hangs
End Replace I016
The Ver. or Hor. sync
does not hold
Are the output of
SVP-EX52
(CLK, H, V, DE)
normal
Are the input
waveforms of
SVP-EX52 normal
Replace I037
(SVP-EX52)
End
1-16 (No.YA382)

TROUBLESHOOTING

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