DOWNLOAD LG 42PC5R-ZB / 42PC5R1-ZD (CHASSIS:PP78A) Service Manual ↓ Size: 23.9 MB | Pages: 38 in PDF or view online for FREE

Model
42PC5R-ZB 42PC5R1-ZD (CHASSIS:PP78A)
Pages
38
Size
23.9 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pc5r-zb-42pc5r1-zd-chassis-pp78a.pdf
Date
PREV: LG 42PC5RV-ZD (CHASSIS:PP78A) Service Manual

LG 42PC5R-ZB / 42PC5R1-ZD (CHASSIS:PP78A) Service Manual ▷ View online

- 17 -
3. No Raster
(1) Symptom
1) No OSD and image occur at screen. 
2) It maintains the condition where the front LED is green.
(2) Check following
4. In case of becomes unusual display from RF mode.
Check the PDP/LCD Module
Replace the
Power board.
Does
minute discharge
at Module?
Is the inverter
/VaVs on?
Is output the normality
Low/High voltage
except Stand-by 5V?
Yes
No
No
Is the Link cable
normal?
Yes
Is the IC500’s
output normal?
Reconnect the link cable in
P803(Plasma)/ P804(LCD).
No
Replace the VSC.
No
Yes
Check the power.
Is video
output of the
Tuner normal? (Check
TU400_Pin13)
Is the
input voltage
normal?(Check
Pin3)
Is the I2C communication normal?
(Check Pin9, Pin10)
Yes
No
Yes
Is the LVDS
Cable connected
well?
Yes
Change the IC(IC500)
Cable inserts well.
No
No
Check the Tuner.
No
A
5. In case of becomes unusual display from rear AV mode.
- 18 -
Is video input of
the A/V jack normal?
(Check R172)
Yes
Sam as Block A
Check the input source.
No
6. In case of becomes unusual display from Side AV mode.
Is video input 
of the A/V jack normal?
(Check CN703
Pin9)
Yes
Sam as Block A
Check the input source.
No
7. In case of becomes unusual display from Side S-Video mode.
Is video input 
of the A/V jack normal?
(Check CN703
Pin9)
Yes
Sam as Block A
Check the input source.
No
- 19 -
8. In case of becomes unusual display from SCART 1 mode.
Is video input
of the A/V jack normal?
(Check R172)
Yes
Sam as Block A
Check the input source.
No
9. In case of becomes unusual display from SCART 1_RGB mode.
Is
video input of
the A/V jack normal?(Check
R110,R170, R171,
R173)
Yes
Sam as Block A
Check the input source.
No
10. In case of becomes unusual display from SCART 2 mode.
Is video input of
the A/V jack normal?
(Check R174)
Yes
Sam as Block A
Check the input source.
No
- 20 -
11. In case of becomes unusual display from component 1 mode.
Is video
input of the A/V jack
normal? (Check R248,
R249,R250)
Yes
Change IC(IC500)
Check the input source.
No
12. In case of becomes unusual display from component 2 mode.
Yes
Change IC(IC500)
Check the input source.
No
Is video
input of the A/V jack
normal? (Check R241,
R242, R243)
13. In case of becomes unusual display from RGB mode.
Yes
Change IC(IC500)
Check the input source.
No
Is
R, G, B input
and H, V sync of the
JK201 normal?(Check R220,
R221, R253, R254,
R255)
Page of 38
Display

Click on the first or last page to see other 42PC5R-ZB / 42PC5R1-ZD (CHASSIS:PP78A) service manuals if exist.

RANDOM: