Trouble Shooting Flowchart - Akai 29CTF05BS Service Manual

CHAPTER 4.
TV E Market 29L-FG5RU Service Manual 29L-FG5RU

TROUBLE SHOOTING FLOWCHART

[1] TROUBLE SHOO
Yes
Check protector
circuit and pin 106 &
107 (waveform no.3 &
4) of IC 2100. Also
check the waveform
no.7 of IC501 at pin 5
and its related parts.
TING FLOWCHART
NO RASTER
LED COLOUR ?
RED
Power on by R/C
RED
Does horizontal
circuit momentary
oscillate ?
Check the power circuit
consisting of IC701,
IC702, T701 and its
related parts. Also
check the horizontal out
circuit Q604 and its
related parts.
GREEN
Check CRT connector
(14V,120 V, 210 V line)
Normal
Check R,G,B
input and output
of IC 851.
No
4 – 1
(KY), (H) bias.
Abnormal
Check the 14V,
120V and 210V
line from the
main PWB side.
29CTF05BS