Read Sharp LC-37GA9EK (serv.man6) Service Manual online
18
LC-26GA5E
LC-32GA5E
LC-32GA9E/LC-32BV9E
LC-37GA9E/LC-37BV9E
5.4. PAL Signal & Tuner Adjustment
LC-26P50E
LC-32P50E
LC-37P50E
30
Adjustment point Adjustment conditions
Adjustment procedure
1
Setting
[Signal]
PAL
Full Field Color Bar
Composite or RF signal
[Terminal]
EXT3 VIDEO IN
TUNER
PAL
Full Field Color Bar
Composite or RF signal
[Terminal]
EXT3 VIDEO IN
TUNER
2
Auto adjustment Adjustment process page 3
performance
performance
» Feed the PAL full field color bar signal (75% color saturation) to EXT3
VIDEO IN.
» Feed the RF signal (PAL color bar) to TUNER.
» Make sure the PAL color bar pattern (E-12) has the sync level of 7:3 with
» Make sure the PAL color bar pattern (E-12) has the sync level of 7:3 with
the picture level.
Bring the cursor on [ËPAL + TUNER ADJ] and press [OK].
[ËPAL + TUNER ADJ OK]
appears when finished.
(4) PAL signal & tuner adjustment
[E-12CH]
�100% white
�100% white
[VIDEO IN SIGNAL]
(5) SECAM signal adjustment
(6) N358 signal adjustment
Adjustment point Adjustment conditions
Adjustment procedure
1
Adjustment
[Signal]
SECAM
Full Field Color Bar
[Terminal]
EXT3 VIDEO IN
SECAM
Full Field Color Bar
[Terminal]
EXT3 VIDEO IN
2
Auto adjustment Adjustment process page 3
performance
performance
» Feed the SECAM full field color bar signal (75% color saturation) to
EXT3 VIDEO IN.
Bring the cursor on [ËSECAM ADJ] and press [OK].
[ËSECAM ADJ OK] appears when finished.
[ËSECAM ADJ OK] appears when finished.
100% white ↑
Black
↑
Adjustment point Adjustment conditions
Adjustment procedure
1
Adjustment
[Signal]
N358
Full Field Color Bar
[Terminal]
EXT3 VIDEO IN
N358
Full Field Color Bar
[Terminal]
EXT3 VIDEO IN
2
Auto adjustment Adjustment process page 3
performance
performance
» Feed the N358 full field color bar signal (75% color saturation) to EXT3
VIDEO IN.
VIDEO IN.
Bring the cursor on [ËN358 ADJ] and press [OK].
[ËN358 ADJ OK] appears when finished.
[ËN358 ADJ OK] appears when finished.
↑100% white
75% color bar
↑
5.5. ADC Adjustment (Component 15K)
LC-26P50E
LC-32P50E
LC-37P50E
31
(7) ADC adjustment (Component 15K)
(8) ADC adjustment (Component 33K)
(9) HDMI signal adjustment
Adjustment point Adjustment conditions
Adjustment procedure
1
Adjustment
[Signal] (576i/50)
COMP15K, 50Hz
100%Full Field Color Bar
[Terminal]
EXT4 [COMPONENT]
COMP15K, 50Hz
100%Full Field Color Bar
[Terminal]
EXT4 [COMPONENT]
2
Auto adjustment Adjustment process page 4
performance
performance
» Feed the COMPONENT 15K 100% full field color bar signal (100% color
saturation) to EXT4 COMPONENT IN.
Bring the cursor on [ËCOMP15K ADJ] and press [OK].
[ËCOMP15K ADJ OK] appears when finished.
[ËCOMP15K ADJ OK] appears when finished.
Adjustment point Adjustment conditions
Adjustment procedure
1
Adjustment
[Signal]
COMP33K, 60Hz
100%Full Field Color Bar
[Terminal]
EXT3 COMPONENT IN
COMP33K, 60Hz
100%Full Field Color Bar
[Terminal]
EXT3 COMPONENT IN
2
Auto adjustment Adjustment process page 5
performance
performance
» Feed the COMPONENT 33K 100% full field color bar signal (100% color
saturation) to EXT3 COMPONENT IN.
Bring the cursor on [ËHDTV ADJ] and press [OK].
[ËHDTV ADJ OK] appears when finished.
[ËHDTV ADJ OK] appears when finished.
Adjustment point Adjustment conditions
Adjustment procedure
1
Adjustment
Recommended signal
generator:
Leader Electronics-
made LT448
generator:
Leader Electronics-
made LT448
2
Auto adjustment Adjustment process page 6
» Set the output signal to 1080i/59.94 (30sF) RGB digital one.
» Set the signal to full color bar (100% saturation) one. 8 bars with the
» Set the signal to full color bar (100% saturation) one. 8 bars with the
rightmost one in black. Dynamic range: min 16 to max. 235.
» Feed the signal to HDMI IN from the signal generator's DVI terminal
through the DVI-HDMI conversion cable.
Bring the cursor on [ËHDMI ADJ] and press [OK].
[ËHDMI ADJ OK] appears when finished.
[ËHDMI ADJ OK] appears when finished.
100% white ↑
Black
↑
100% white ↑
Black
↑
100% white ↑
Black
↑
6 White Balance Adjustment
Adjustment procedure Page 7/11 shows the value of adjustment gradation (IN value) and Adjustment procedure Page
8/11 & 9/11 show adj. offset value (initial value : 0). White balance adjustment is executed adjusting the adj. offset value,
indicated on Page 8/11 & 9/11.
Condition of the inspection: • Backlight: MAX (+8) [DYNAMIC]
• Colorimeter at screen centre
Adjustment reference device: Minolta CA-210
Adjustment spec. ±0.004, Inspection spec. : ±0.006 (GAMMA 1)
Adjustment spec. ±0.002, Inspection spec. : ±0.004 (GAMMA 2...6)
Adjustment: Check that the values on page 7/11 of process adjustment are set as below. If not, change them ac-
cordingly.
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