Philips S42SD-YD09 Service Manual page 49

5.2.5 Horizontal line or block open
(some horizontal lines don't exist on screen)
Check
Connection Y-buffer
& Y-FPC
Check
Y-buffer connector pin
broken or bent?
Check
Y-FPC pin
broken or bent?
Service Modes, Error Codes, and Fault Finding
Regular
Abnormal
Replace
board
Figure 5-42 Fault symptom: "Abnormal Display" 63" HD v4 2/2
Y-FPC Y-buffer
connector
Figure 5-43 Fault symptom: "Horizontal line or block open"
[Logic Main]
LED 2002 Blinks
(Motion of Vsync)
Logic main
Normal State
Poor
Y-buffer
Good
Br oken
or bent
Y-buffer
connector
G G ood
Br oken
or bent
Y-FPC
SDI PDP 2K6
G_16380_050.eps
171006
Reconnection
Replace Y-buffer B'd
Replace PDP
G_16380_153.eps
190606
5. EN 49