38
SERVICE ADJUSTMENTS
2.18
SUB BRIGHTNESS ADJUSTMENT
Adjustment Preparation
(1) Pre-heat 20 minutes or more before the adjustment.
(2) Receive the color bar signal.
(3) The vertical incident illumination on the screen should be 20 lux or less.
Adjustment Procedure
(1) Go to “Sub Brightness (item No. 44)” in adjustment mode by using JIG R/C.
(2) Adjust Sub brightness following the specification as shown below by using JIG. R/C.
(3) Press
[
MUTE
] key on R/C to write the data into ROM.
REMARKS
Observe the TV SET screen directly by eye; Do not use a mirror.
Adjustment specification: Within ± 0.3 step
Quality control specification: Within ± 0.5 step
Note:
During the SUB-BRIGHTNESS adjustment mode, TV Micron IC changes the CONTRAST and the COLOR
controls to Minimum, but the other controls are not changed automatically.
Make sure that the other controls are set center.
CHASSIS
Sink to black
Slightly for black
DP3M A0
A1
Note:
Actual procedure, set A1 portion to black (same level as A0 portion) and reduce 6 steps to set A1 portion
slightly brighter.
A0
A1
A2 A3 A4 A5 A6 A7 A8 A9
A10
Summary of Contents for C43-FD5000
Page 44: ...44 SERVICE ADJUSTMENTS 2 SIGNAL SUB P W B IG02 IS02 IS01 IT01 IQ01 IG01 Look down view ...
Page 56: ...56 EXPLODED VIEW ...
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Page 112: ...CPT CONTROL LED P W B ...
Page 113: ...DEFLECTION P W B ...
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Page 117: ...TERMINAL SIGNAL SUB DEFLECTION SUB A SIDE P W B ...
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