Download Philips 15MF605T Technical data

Transcript
Repair Flow Chart
65
Go to cover page
3.No picture/LED
is green
1.No Work/LED is off
Check if
power switch
is normal
Magnavox LCD TV
No
Replace power switch
Check if working voltage
pin3=3.3V of 7303
3307=3.3V 3313=5V
1304 Pin1=5V
No
Check circuit around
each regulator and
eliminate short and
open situation
Yes
Check if AC
adaptor output
=16V
No
Replace power adaptor
Check if clock source
1401,1301,1621
No
Replace 1401,1301,1621
Yes
Check if scaler 7401
RGB,clk,H/V and
DE signal output
48 bits TTL
Yes
Check the inverter board
Pin1.2.3=16V
Pin5=0~4.7V
No
Try to replace
CPU or CPU'Sflash Rom
CPU'S EEPROM
Painter
Painter's EEPROM
Yes
No
Check resistorsnetwork
Replace bad resistorsnetwork
Yes
Replace LVDS cable
2.No raster/picture
too dim
No
Replace LCD panel
Check if 1801 on
inverter board
pin1,2,3=16V
pin 5=0~4.7V
No
Check working
voltage, backlight
control signal and
brightness control
signal on scaler board
4.No D-Sub picture
No
Check if H/V
signals input to
schmitt trigger
7201
Yes
Check input path
Yes
Check if 1302 on
scaler board
pin3=3.3V
No
Check IR board
Check if schmitt
trigger 7201
output H/V signals
to JAGASM
Yes
Go to 3.No picture/LED is green
No
Replace 7201