LG 32PG6000-ZA (CHASSIS:PD81A) Service Manual ▷ View online
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1-2. Power Board Structure
(1) Pin Layout
(2) Pin Spec
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2. No Power
(1) Symptom
1) Doesn’t minute discharge at module.
2) Non does not come in into the front LED.
2) Non does not come in into the front LED.
(2) Check following
A Power cord is plugged with TV set?
Plug in power cord.
Yes
No
Is the AC-INLET connected with
the power board?
Connect the AC-INLET
Yes
No
Is the Fuse(F101,F801) on
Power Board normal?
Replace the Fuses.
Yes
No
Is the Power Board with
VSC Board though Cable connected?
Connect the Cable.
Yes
No
Measure output voltages(16V,12V,5V) on the power board.
If the measured values is not normal, replace power board.
If the measured values is not normal, replace power board.
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3. Protect Mode
(1) Symptom
1) After once shining, it does not discharge minutely
from module.
2) The Rely falls.(The sound is audible “click”)
3) It is converted with the color where the front LED
3) It is converted with the color where the front LED
is red from green.
(2) Check following
Is the Power Board
normal ?
Replace Power
Board.
Is output the normality Low/High
voltage except Stand-by 5V?
Yes
No
No
Is the each connector
normal?
Replace the
connector.
Replace
Y-Board.
After connecting well each connector,
the normality it operates?
Yes
No
Yes
Is the Ctrl Board
normal?
Replace
X-Board.
Is the output voltage normal after
remove P163 connector of Ctrl-B/D?
Yes
No
Yes
Is the Y-Board
normal?
Is the output voltage
normal after remove
normal after remove
P209 connector of
Y-B/D?
Is the Fuse(FS201) on Y-B/D
normal?(In case of open is replace)
Yes
No
Yes
Yes
Replace
Z-Board.
Is the Z-Board
normal?
Is the output voltage
normal after remove
normal after remove
P3 connector of Z-
B/D?
Is the Fuse (FS1) on Z-B/D normal?
(In case of open is replace)
Yes
No
Yes
Is the X- Board
normal?
Is the output voltage normal after
remove P242 connector of
X-B/D?
After remove P211 output voltage normality:
Replace Right X-B/D
After remove P23 output voltage normality:
Replace Left X-B/D
Replace Right X-B/D
After remove P23 output voltage normality:
Replace Left X-B/D
Yes
No
Yes
Is the
VSC Board normal?
Is the output voltage normal after
remove P1001 of VSC Board?
After crisis COF of each board, check the normality operates.
If in case normality operates, correspondence COF Fail is replace the module.
If in case normality operates, correspondence COF Fail is replace the module.
After remove P1001 normal operation:
Replace VSC Board
Replace VSC Board
Yes
No
Is the COF of X, Y, Z
normal ?
No
Yes
Yes
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Does minute discharge
At Module?
Is the LVDS cable
connect well from Ctrl
Board to VSC Borad?
Board to VSC Borad?
Replace FLI106X0H
IC(IC100)
Is the VaVs normal?
Check the PDP Module
Yes
No
YES
Yes
Reconnect the LVDS
cable in P501
No
Is normal the VSC
Board?
Operates the FLI106X0H(IC100)?
1. Check the Monitor OUT by SCART2 : Connect the another TV SET
2. Check the LVDS clock(R537,R538) on the VSC Borad by Oscilloscope?
2. Check the LVDS clock(R537,R538) on the VSC Borad by Oscilloscope?
Replace the
VSC B/D.
No
NO
Replace the
Power board
Is output the normality
Low/High voltage except
stand-by 5V?
NO
4. No Raster
(1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is green.
2) It maintains the condition where the front LED is green.
(2) Check the followings
Yes
No
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