LL-T1820 (serv.man6). Wave form - Sharp Monitor Service Manual (repair manual)

ll-t1820 (serv.man6) service manual
Model
LL-T1820 (serv.man6)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
434.48 KB
Type
PDF
Document
Service Manual
Brand
Device
Monitor / Wave form
File
ll-t1820-sm6.pdf
Date

Read Sharp LL-T1820 (serv.man6) Service Manual online

PC-UM10M
LL-T1820-H/B   WAVE FORM
5 – 1
CHAPTER 5. WAVE FORM
Waveform measurement condition: Input each of the display patterns and measure the waveform (timing chart).
CAUTION
Reception mode: VESA 1280 X 1024
H: 80kHz V: 75Hz DOTCLK: 135MHz
WAVE FORM1 : REFCK (LD500)
Frequency:
60MHz
Display screen: Arbitrary
PV/DIV, 10ns/DIV
WAVE FORM2 : XTAL (2pin of the IC601)
Frequency:
14.318MHz
Display screen: Arbitrary
1V/DIV, 50ns/DIV
WAVE FORM3 : VSYNC (LD304)
Frequency:
75Hz
Display screen: Arbitrary
1V/DIV, 5s/DIV
Wave-form No.
Measurement point
Name of waveform
Display pattern
1
LD500
REFCK
Arbitrary
2
IC601 of 2PIN
XTAL
Arbitrary
3
LD304
VSYNC
Arbitrary
4
LD303
HSYNC
Arbitrary
5
LD510
ICK
Arbitrary
6
LD512
VS
Arbitrary
7
LD513
IHS
Arbitrary
8
IC701 of 10PIN
DCLK
Arbitrary
9
IC701 of 9PIN
DEN
Arbitrary
10
LD300, LD301, LD302
RGB OUT
16 monochromatic gradation patterns
Oscilloscope: LeCroy9362
Input signal:
VESA1280 X 1024
H: 80kHz  V: 75Hz
DOTCLK: 135MHz
GND
GND
GND
PC-UM10M
LL-T1820-H/B   WAVE FORM
5 – 2
WAVE FORM4 : HSYNC (LD303)
Frequency:
80kHz
Display screen: Arbitrary
1V/DIV, 5
µ
s/DIV
WAVE FORM5 : ICK (LD510)
Frequency:
67.5MHz
Display screen: Arbitrary
1V/DIV, 5s/DIV
WAVE FORM6 : VS (LD512)
Frequency:
75Hz
Display screen: Arbitrary
1V/DIV, 5s/DIV
WAVE FORM7 : IHS (LD513)
Frequency:
80kHz
Display screen: Arbitrary
1V/DIV, 5
µ
s/DIV
GND
GND
GND
GND
PC-UM10M
LL-T1820-H/B   WAVE FORM
5 – 3
WAVE FORM8 : DCLK (10pin of the IC701)
Frequency:
60MHz
Display screen: Arbitrary
1V/DIV, 5ns/DIV
WAVE FORM9 : DEN (9pin of the IC701) 
Frequency:
80kHz
Display screen: Arbitrary
1V/DIV, 5
µ
s/DIV
WAVE FORM10 : RGBOUT (LD300, LD301, LD302)
Display screen:16 monochromatic gradation patterns
0.5V/DIV, 5
µ
s/DIV
GND
GND
GND
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Download Sharp LL-T1820 (serv.man6) Service Manual (Repair Manual)

Here you can read online and download Sharp LL-T1820 (serv.man6) Service Manual in PDF. LL-T1820 (serv.man6) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp LL-T1820 (serv.man6) Monitor. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.