Sharp 21L-FG1SA - NO SPECIFIC COLOUR; NO COLOUR PAL;SECAM

21L-FG1SA/SF/SM/RU
5 – 3
TROUBLE SHOOTING FLOWCHART (Continued)
NO SPECIFIC COLOUR
Is some colour produced in
B/W broadcast reception ?
Is the white balance properly
adjusted ?
Re-adjust the white balance.
The picture colour is yellow.The picture colour is magenta.The picture colour is cyan.
Check Q855 and its adjacent
circuits.
Check Q854 and its adjacent
circuits.
Check Q853 and its adjacent
circuits.
Check IC801.
Check IC801 and bias
control circuit.
NO COLOUR
“PAL / SECAM”
(NO COLOUR SYNCHRONIZATION)
Check X801 (4.43MHz)