17
17-1
17-2
14EM4RU
21EM4RU
TROUBLE SHOOTING TABLE
(Continued)
NO SPECIFIC COLOUR
Is some colour produced in
B/W broadcast reception ?
Is the white balance properly
adjusted ?
Readjust the white balance.
The picture colour is yellow.
The picture colour is magenta.
The picture colour is cyan.
Check Q871, Q883 and their
adjacent circuits. (for 14")
Check Q870, Q885 and their
adjacent circuits. (for 21")
Check Q870, Q885 and their
adjacent circuits. (for 14")
Check Q871, Q883 and their
adjacent circuits. (for 21")
Check Q872, Q887 and their
adjacent circuits. (for 14"/
21")
Check IC801 and bias
control circuit.
NO SPECIFIC COLOUR
“PAL”/“SECAM”
(NO COLOUR SYNCHRONIZATION)
Check IC801, R801, R802,
R803, D804, D805, D806
and Q801.
Check X1001.(12MHz)
Summary of Contents for 14EM4RU
Page 21: ...21 14EM4RU 21EM4RU MODEL 14EM4RU CHASSIS LAYOUT ...
Page 22: ...22 14EM4RU 21EM4RU MODEL 21EM4RU CHASSIS LAYOUT ...
Page 24: ...24 14EM4RU 21EM4RU BLOCK DIAGRAM MAIN UNIT 14EM4RU ...
Page 25: ...25 14EM4RU 21EM4RU ...
Page 26: ...26 14EM4RU 21EM4RU BLOCK DIAGRAM MAIN UNIT 21EM4RU ...
Page 27: ...27 14EM4RU 21EM4RU ...
Page 28: ...28 14EM4RU 21EM4RU BLOCK DIAGRAM HEADPHONE UNIT BLOCK DIAGRAM ...
Page 31: ...31 14EM4RU 21EM4RU 10 11 12 13 14 15 16 17 18 19 ...
Page 32: ...32 14EM4RU 21EM4RU MAIN UNIT 21EM4RU A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 ...
Page 33: ...33 14EM4RU 21EM4RU 10 11 12 13 14 15 16 17 18 19 ...
Page 34: ...34 14EM4RU 21EM4RU A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 CRT UNIT 14EM4RU CRT UNIT 21EM4RU ...
Page 35: ...35 14EM4RU 21EM4RU A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 HEADPHONE UNIT ...
Page 37: ...37 14EM4RU 21EM4RU 10 11 12 13 14 15 16 17 18 19 ...
Page 38: ...38 14EM4RU 21EM4RU PWB A MAIN UNIT Chip Parts Side A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 ...
Page 39: ...39 14EM4RU 21EM4RU 10 11 12 13 14 15 16 17 18 19 ...
Page 49: ...49 14EM4RU 21EM4RU ...