Display Section; Check / Adjust - Clarion NX700 Service Manual

Display section

< Panel PWB assembly adjustment (by CeNET command) >
* Setting of a signal generator output
VIDEO SIGNAL : 714mV / SYNCHRONIZED SIGNAL : 286mV
ITEM
1. Power supply voltage
2. NAVI-RGB adjustment
1) RGB-GAIN(White-Black)
2) PHASE(Flicker)
3) H.V-POSITION
(Display position)
3. NAVI-RGB check
4. RGB-AMP voltage
(black-black level)
NX700/NX700E

CHECK / ADJUST

Confirm the power supply voltage
TP171 (LCD5V) : 5.0V +/-0.25V
TP162 (LCD3.3V) : 3.3V +/-0.15V
TP177 (VGL) : -12V +/-1.0V
TP173 (VGH) : +18.5V +/-1.0V
TP155 (LCD1.8V) : 1.8V +/-0.09V
TP151(OP-9V) : 9.0V +/-0.5V
Adjustment by automated command
(The adjustment of NAVI-RGB is a self adjustment in
the firmware of moses by CeNET command. )
Confirmation of self adjustment(2. NAVI-RGB
adjustment)
1) PHASE check
1dot monochrome line doesn't blot.
2) H.V-POSITION check
White frame line displays.
3) RGB-GAIN check
White-Black level of TP170(R),TP169(G) and
TP168(B)
White
2.8V +/-0.2V
Black
Confirm the black-black level of TP170(R),TP169(G)
and TP168(B) will become 3.8V +/-0.2V.
White Black
Black White
- 14 -
* Input signal : NTSC
COMP : 10-steps wave
* Display : Composite screen
* BRT/COL/HUE : Initial setting
* DIMMER : 100%
* Tool : Digital volt meter
* Input signal : NTSC
NAVI test pattern :
Self adjustment pattern
* Input signal : NTSC
NAVI test pattern :
Self adjustment pattern
* Input signal : NTSC
NAVI test pattern :
Self adjustment pattern
* NAVI test pattern :
10-steps wave
* Same as the condition of item 1
* Tool : Oscilloscope
Black
White
* Input signal : NTSC
COMP : 10-steps wave
* Same as the condition of item 1
* Tool : Oscilloscope
3.8V +/-0.2V
CONDITIONS