Read Panasonic TC-42PD1F Service Manual online
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No Power
No Picture
TPSC1 SC pulse
Local screen failure
Plasma display may have local area failure on the screen. Fig-T is the possible defecrt P.C.B. for each local area.
Fig-T
Does turn the power LED
Check F board
Fuse F900, F901
Change P board
Check P board
NG
OK
Check AC power code or power source
Red LED flashing
See Self Check section
No picture
DS pack
D or P board
What signal?
Check OSD
Check
drive pulses
DS
input
HG board
D board
HG board
HG board
SC or D board
SS or D board
RGB/Component, PC
(525p, 625p)
All Input
Display
OK
No SC pulse
on TPSC1
on TPSC1
No SS pulse
on TPSS1
on TPSS1
No signal
OK
Component
AV
AV
A-15, 17, 19
A-7, 9
Check
A-7, 9
Check
AV(NTSC, PAL, SECAM), Component(525i, 625i)
No signal
both SC & SS
both SC & SS
When drive pulses are oscillated correctly,
slight hum noise can be heard from the boards.
slight hum noise can be heard from the boards.
1 Field
Panel(Vertical lines)
<Local screen failure chart>
SU board
D board
C2 board
D board
C1 board
D board
C3 board
D board
C4 board
D board
SD board
D board
# !"
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