Pioneer AVD-505 Servis Kılavuzu - Sayfa 24

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AVD-505
- PCB Adjustment Order
Order Item
Mode
1
Power ON
2
5.3V Adjustment
3
Confirm at 13V
4
Confirm at 8V
5
Confirm at -16V
6
Confirm VCC
7
Confirm VGL
8
Picture
RGB
Adjustment
preparation
9
Confirm
RGB
Csync input
10
Sub-bright
RGB
Adjustment
11
PLL Adjustment RGB
12
Black level
RGB
Adjustment
13
Vcom amplitude RGB
Adjustment
14
Confirm Vcom
RGB
DC
15
Gamma 2
RGB
Adjustment
16
R sub-bright
RGB
Adjustment
24
Input signal
(input point, waveform,
specification, alternative
measuring conditions)
TP·PWRVI···14.4 ± 0.2V
TP·GNDVI···GND
TP·GNDV···GND
Random picture signals
TP·ANR···Red
0.7Vp-p
TP·ANG···Green 75½
TP·ANB···Blue
Terminate
TP·CSYNC···synchronizing signal
0.3Vp-p 75½ terminal
Bright volume to
centre click position
Random video signal input
TP·SYNCOUT···GND
TP·ANG···GND or else open
TP·ANR···random
TP·ANB···random
Bright volume to
center click position
Step signal
Step signal or else white 50%
Video signal
Output signal
Measuring
(measuring point,
instrument
wave form,circuit
explanation)
TP·V5R3···DC
DC V Meter
TP·V13···DC
DC V Meter
TP·V8···DC
DC V Meter
TP·VM16···DC
DC V Meter
TP·VCC···DC
DC V Meter
TP·VGL···DC
DC V Meter
Oscilloscope 63.5 ± 2.0µSec.
TP·CSYNC
A
TP·BRIGHT···DC
DC V Meter
TP·RTH
Frequency
counter
TP·GOUT
Oscilloscope Amplitude
Amplitiude
TP·COM
Oscilloscope Amplitude
Amplitiude
TP·COM
Oscilloscope Central voltage
Central
voltage
Oscilloscope "V
TP·GOUT
"V
TP·GOUT, TP·ROUT
Oscilloscope Superimpose
'
Specification
Adjustment
point
5.3 ± 0.1V
VR1001
13.0 ± 0.5V
8.0 ± 0.5V
-16.0 ± 0.5V
-10.9 ± 0.5V
-8.9 ± 0.5V
2.15 ± 0.05V
VR1409
15.734 ± 0.01kHz
L1503
VR1413
3.75 ± 0.1V
VR1412
8.0 ± 0.1V
VR1651
2.0 ± 0.1V
VR1405
3.65 ± 0.1V
VR1404
the two
waveforms (50%
white part) of
green and red,
' and
'
parts
Offset: Within
± 0.1V