Sharp LL-T1810A (serv.man19) User Manual / Operation Manual ▷ View online
WAVE FORM 1 : XIN (22 pin of the IC34)
Frequency 7.987MHz
Display Screen : arbitrary
WAVE FORM 2 : VSYNC (9 pin, 18th pin of the IC14)
Frequency 75Hz
Display Screen : arbitrary
WAVE FORM 3 : HSYNC (8 pin, 17 pin of the IC14)
Frequency 80kHz
Display Screen : arbitrary
WAVE FORM 4 : MPU VSY (6 pin of the IC34)
Frequency 75Hz
Display Screen : arbitrary
WAVE FORM 5 : MPU HSY (7 pin of the IC34)
Frequency 80kHz
Display Screen : arbitrary
WAVE FORM 6 : LCD CLKA, CLKB (FL4, FL3)
Frequency 50MHz
Display Screen : arbitrary
WAVE FORM 7 : LCDDEA, DEB (FL2, FL5)
Frequency 70kHz
Display Screen : arbitrary
WAVE FORM 8 : DSYNC (24 pin of the IC25)
Frequency 80kHz
Display Screen : arbitrary
WAVE FORM 9 : ADCLKOUT (8 pin of the IC23)
Frequency 65MHz
Display Screen : arbitrary
WAVE FORM 10 : SOGOUT (25 pin of the IC14)
Display Screen : 16 monochromatic gradation patterns
WAVE FORM 11 : VSwitch RGB OUT (27 pin , 30 pin and
35 pin of the IC14)
Display Screen : 16 monochromatic gradation patterns
WAVE FORM 12 : VAmp RGB OUT (16 pin of the IC401,
IC402 and IC403)
Display Screen : 16 monochromatic gradation patterns
WAVE FORM 13 : A/D OUT DATA
Display Screen : Monochrome pattern at every 2 lines
WAVE FORM 14 : ASIC IN DATA
(242 ~ 259 pins, 262 ~ 268 pins,
276 ~ 278 pins, 281 ~ 292 pins,
295 ~ 302 pins of the IC27)
276 ~ 278 pins, 281 ~ 292 pins,
295 ~ 302 pins of the IC27)
Display Screen : Monochrome pattern at every 2 lines
WAVE FORM 15 : ASIC OUT DATA
(156 ~ 163 pins, 166 ~ 174 pins,
177 ~ 183 pins, 191 ~ 204 pins,
207 ~ 216 pins of the IC27)
177 ~ 183 pins, 191 ~ 204 pins,
207 ~ 216 pins of the IC27)
Display Screen : Monochrome pattern at every 2 lines
WAVE FORM 16 : ASIC IN/OUT DATA
(1, 3, 4, 6, 7, 9, 10, 12, 13, 17, 18, 20, 21,
60, 61, 63, 64, 68, 69, 71, 72, 74, 75, 77,
78, 80, 81, 83, 84, 97, 98, 100 pins of
IC8, IC9 and IC10)
60, 61, 63, 64, 68, 69, 71, 72, 74, 75, 77,
78, 80, 81, 83, 84, 97, 98, 100 pins of
IC8, IC9 and IC10)
Display Screen : Monochrome pattern at every 2 lines
WAVE FORM 17 : OSD COLOR DATA
(13, 15, 17 pins of IC31)
Display Screen : All black pattern OSD menu display
2. CIRCUIT DIAGRAM
Main board (Ver.7)
Sheet No.
Description
1
RGB signal input
2
Synchronizing separator
3
A/D converter and PLL circuit
4
ASIC circuit
5
SGRAM circuit
6
Microprocessor
7
LCD output connector circuit
8
Power supply circuit
DC jack board
Sheet No.
Description
1
DC jack and fuse circuit
LED & SW board
Sheet No.
Description
1
LED and switch circuit
D-sub board
Sheet No.
Description
1
D-Sub connector and DDC circuit
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