![background image](http://html.mh-extra.com/html/haier/ns-l19w2q-10a/ns-l19w2q-10a_service-manual_138205055.webp)
38
Part Name Description Phenomena
Failure
cause
White
Screen
B/L normal, only
white screen
display
Black
Screen
B/L normal, only
Black screen
display
Maybe caused by surge current and EDS
FIIcker Crosstalk
LCD Vcom imbalance
Abnormal
Color
Only color
abormal
Capacitance improper bring crosstalk inside LCD
panel
Circuit
Abnormal
Color
Only color
abnormal
1. Chip lose action
2. IC short or jointion bad
3. Pannel and vsc connect bad
Failure Mode
Part Name Description
Phenomena
Failure
cause
Mechanlcal
Nolse
When turn
panel,appear
cacophony
Caused by Mechanica noise of backlight
unit
Ripple Connectric
circle
Causeed by between mechanism and
pannel
B/L off
B/L lose action
*Connect badness between wire and
electrode
B/L dark
B/L brightness
darker than normal
*Connect badness
Short between wire and electrode
B/L wire
damaged
B/L wire damaged
Operation abnormal or systemic noise
B/L wire
open
Without backlight
Operation abnormal or systemic noise
B/L shut
down
B/L shutdown in
sometime
Short bitween lamp housing and wire, Because
consume power too much
Summary of Contents for NS-L19W2Q-10A
Page 13: ...13 Connector definition ...
Page 14: ...14 ...
Page 15: ...15 4 Disassemble and assemble 4 1 Remove the Pedestal 4 2 Remove the Front Cover ...
Page 16: ...16 ...
Page 17: ...17 4 3 Remove the LCD panel 4 4 Remove the Main Board ...
Page 18: ...18 4 5 Remove the Power Board 4 6 Remove the Speaker ...
Page 19: ...19 4 7 Remove the Keypad Assembly 4 8 Remove the Remote Control Board ...
Page 20: ...20 5 INSTALLATION INSTRUCTIONS Accessories Remote Control User Manual Battery YPbPr wire ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 23: ...23 6 OPERATION INSTRUCTIONS Basal information 6 1 Front panel controls ...
Page 24: ...24 6 2 Back panel controls ...
Page 25: ...25 6 3 Setting up Your Remote Control ...
Page 27: ...27 White Balance Color Temp Picture Mode Setting Audio Mode Setting SSPLL Setting ...
Page 29: ...29 7 3 Audio 7 4 CHANNELS ...
Page 30: ...30 7 5 SETTINGS 8 Electrical parts 8 1 Wiring Connection Diagram ...
Page 33: ......
Page 34: ......
Page 35: ......
Page 36: ......
Page 37: ......
Page 38: ......
Page 39: ......
Page 40: ......
Page 41: ......
Page 42: ......
Page 43: ......
Page 44: ......
Page 45: ......
Page 46: ......
Page 47: ......
Page 48: ......
Page 49: ......
Page 52: ...35 State No picture ...
Page 57: ...40 ...