64
AVX-P7700W
No.
Adjustment items
Measuring points
Adjustment points
Adjustment contents
Remarks
16
Contrast voltage 1
IC1351 pin 15
DAC output
DC V Meter(8)
User contrast can be +0 (Standard)
(TP CNT2)
3.18V ±
0.05(0.02)V DC
(DAC control data = 163 (A3h)
17
Gamma 2
IC1301 pin 32
VR1308
Oscilloscope(2)
Observe the waveform of the 9th gradation.
(TP GOUT)
10 step signal
(Checker signal or test disc signal)
18
Contrast check
IC1301 pin 32
Oscilloscope(2)
Check if the contrast is 3.4V or more.
(TP GOUT)
10 step signal
(Checker signal or test disc signal)
19
B sub-bright matching
IC1301 pin 32
VR1307
Oscilloscope(2)
(TP GOUT)
and
IC1301 pin 35
(TP BOUT)
Match the black level section of the G waveform
and B waveform.
20
R sub-bright matching
IC1301 pin 32
VR1306
Oscilloscope(2)
(TP GOUT)
and
IC1301 pin 29
(TP ROUT)
Match the black level section of the G waveform
and R waveform.
3.10
±
0.05V
3.40V
Summary of Contents for AVX-P7700W
Page 4: ...4 AVX P7700W 2 2 EXTERIOR 1 ...
Page 6: ...6 AVX P7700W 2 3 EXTERIOR 2 ...
Page 11: ...11 AVX P7700W ...
Page 26: ...26 AVX P7700W 1 2 3 4 1 2 3 4 D C B A CN1802 CN1801 PD5582A C a C b C b D 1 2 3 D MONITOR PCB ...
Page 34: ...34 AVX P7700W 1 2 3 4 1 2 3 4 D C B A AUXAL AUXAR A A MOTHER PCB ...
Page 36: ...36 AVX P7700W 1 2 3 4 1 2 3 4 D C B A 1 3 4 5 1 3 C LCD MODULE C MONITOR PCB 4 2 MONITOR PCB ...
Page 37: ...37 AVX P7700W 5 6 7 8 5 6 7 8 D C B A 1 3 4 5 C LCD MODULE SPEAKER CN1014 E D CN1802 SIDE A ...
Page 39: ...39 AVX P7700W 5 6 7 8 5 6 7 8 D C B A 1 2 3 4 5 TP18V V CH CH W C SIDE B ...
Page 46: ...46 AVX P7700W 1 2 3 4 1 2 3 4 D C B A 4 7 HIDEAWAY UNIT K K HIDEAWAY UNIT CN763 B ...
