Abnormal Horizontal Width - Tatung OMNISCAN SERIES Service Manual

6.21 ABNORMAL HORIZONTAL WIDTH
READJUST
H.
SIZE
UP/DOWN CONTROL
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CHECK H. SIZE SIGNAL
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CHECK H. SIZE PRESET R481 - - -
1
1
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CHECK MODE SIGNAL - - '
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1
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>
MICRO BOARD (PWB-1697-2)
PIN 2 P502
(OV TO 12V)
>
SEE ALIGNMENT
ITEM 2.3
>
HO, H1, H2
(PWB-1701)
CHECK 16V
-------------------------------->
0202
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(PWB-1701)
1
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CHECK HOR.
-------------------------------->
0414, 0417, Q418
LINEARITY CIRCUIT 0412, 0420, 0421
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RY401, L402, L405
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(PWB-1701)
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CHECK CS CAPACITOR
----------------------------->
C428, C429, C430
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(PWB-1701)
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CHECK H. SIZE - - - - - - - - - - - - - - - - - - - - - - - - '
->
0422, 0620a, 0620b
ADJ. 91RCUIT 0606a, 0607, 0608
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T600, 0611, 0607
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(PWB-1701 )
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CHECK HIGH - - - - - - , - - - ,
VOLTAGE CIRCUIT
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CHECK INPUT SIGNAL
VIDEO DISPLAY TIMING
1
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CHECK DEF YOKE
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END
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HV: 26KV
=
6~20
=