29CTF05BS
4 – 1
TV
29L-FG5RU
Service Manual
29L-FG5RU
Market
E
CHAPTER 4.
TROUBLE SHOOTING FLOWCHART
[1] TROUBLE SHOO
TING FLOWCHART
NO RASTER
LED COLOUR ?
Power on by R/C
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.
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.
Check CRT connector
(KY), (H) bias.
(14V,120 V, 210 V line)
Abnormal
Check R,G,B
input and output
of IC 851.
Check the 14V,
120V and 210V
line from the
main PWB side.
RED
GREEN
RED
Yes
No
Normal
Summary of Contents for 29CTF05BS
Page 1: ...Service manual Colour TV set 29CTF05BS ...
Page 46: ...29CTF05BS 7 2 ...
Page 50: ...29CTF05BS 10 2 ...
Page 51: ...29CTF05BS 10 3 2 SCHEMATIC DIAGRAM CRT UNIT 29CTF05BS ...
Page 53: ...29CTF05BS 11 2 2 PWB A MAIN UNIT 1 MAIN UNIT COMPONENT SIDE ...
Page 54: ...29CTF05BS 11 3 ...
Page 55: ...29CTF05BS 11 4 2 MAIN UNIT CHIP PARTS SIDE ...
Page 56: ...29CTF05BS 11 5 ...