Yamaha DPX-530, Service Manual

Page: 31 / 72

DPX-530
31
DPX-1200DPX-530
■
ELECTRICAL ADJUSTMENTS
HDISP
HP
HBP
HDW
VDISP
VP
VBP
VDW
HD signal
VD signal
DOT-CLOCK [MHz] 40.0 VP [H] 628
HP [DOT] 1056 VDISP [H] 600
HDISP [DOT] 800 VDW [H] 4
HDW [DOT] 128 VBP [H] 23
HBP [DOT] 88 Interlace ---
Signal polarity HD : +, VD : +
Timing of SVGA signal (Vertical frequency 60 Hz)
H Timing V Timing
Signal
generator Projector
Personal
computer
Monitor for
personal
computer
RS-232C cable
SERIAL input
terminal
D-SUB input
terminal
Use the communication program [Hyper Terminal] of Microsoft ®
Windows ® 95/98/Me/XP operating system for some electrical
adjustments of this projector.
Necessary equipment and connecting
Connect the following equipment as shown in the right figure.
• This projector
• Personal computer (with Microsoft
® Windows ® 95/98/Me/XP
operating system)
• Monitor for personal computer
• RS-232C cable (service component)
• SVGA signal generator (equivalent to VG-812)
• Program ROM: LC12 Ver. 1.8 (exclusively for VG-812)
• RGB ↔ D-SUB conversion cable
• Red scale signal (for C/W delay adjustment)
Test signal
• SVGA signal (Vertical frequency 60 Hz)
- NTSC (480i) signal (Vertical frequency: 59.94 Hz)
The timing and patterns for the adjustment are as follows :
Program ROM : LC12 Ver. 1.8
* Though the signal generator supplies
this signal as a green signal, the
projector receives it as Y/C
B
/C
R
signal.
Therefore, this signal is projected as a
full white SMPTE signal.
DOT-CLOCK [MHz] 13.5 VP [H] 525
HP [DOT] 858 VDISP [H] 480
HDISP [DOT] 720 VDW [H] 3
HDW [DOT] 64 VBP [H] 14
HBP [DOT] 58 Interlace Interlace
HD : nothing
Signal polarity VD : nothing
Sync on green : -
Timing of NTSC (480i) signal (Vertical frequency:59.94 Hz)
Program
Pattern
No.
11 White raster 20%
12 White raster 50%
29 White / black signal
30 SMPTE (White)*
RGB
↔
D-SUB
conversion cable