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Service Manual - Page 1
MENU
AUTO/SELECT COLOR MONITOR SERVICE MANUAL
CHASSIS NO. : CL-32 FACTORY MODEL: LB501K
MODEL:
L1511S (LB501K-GL)
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Service Manual - Page 2
...
5-1. MTBF
: 50,000 Hours (Min.)
Lamp Life : 30,000 Hours (Min.)
6. CONTENTS
SPECIFICATIONS 2 PRECAUTIONS 3 TIMING CHART 4 OPERATING INSTRUCTIONS 5 WIRING DIAGRAM 6 BLOCK DIAGRAM 7 DESCRIPTION OF BLOCK DIAGRAM 8
ADJUSTMENT 9 TROUBLESHOOTING GUIDE 10 PRINTED CIRCUIT BOARD 14 EXPLODED VIEW 15 REPLACEMENT PARTS LIST 17 PIN CONFIGURATION 20 SCHEMATIC DIAGRAM 22...
Service Manual - Page 3
... obtaining written permission from the ESD as it may damage the electronic circuit (C-MOS).
• Make certain that treatment person's body are grounded through wrist band.
• Do not leave the module in high temperature and in LCD monitor that these critical parts should be exposed to the direct sunlight.
• Avoid contact...
Service Manual - Page 5
... the current screen resolution size (display mode). This will automatically adjust your display settings, always press the AUTO/SELECT button before entering the On Screen Display(OSD).
If the display is 1024x768.
100
Bring up green when the display operates normally.
OPERATING INSTRUCTIONS
FRONT VIEW
REAR VIEW
MENU
AUTO/SELECT
See front control...
Service Manual - Page 8
... is High, transmitter goes to power down trigger signal to GMZAN-2's internal PLL, ADC, Pre-amp, and scaler by dropping down 5VR. of which it supports four internal function blocks of 5VS to interface board and 12V to the receiver inside LCD module by U201's amplifying, phase locking, A/D converting, and scaling...
Service Manual - Page 9
... PC - Video Signal Generator
Control Line
IBM Compatible PC
15 10 5
PARALLEL PORT
Not used RS232C
PARALLEL
OFF ON 5V
C
F
VGS
A
MONITOR
B
V-SYNC ST POWER
Power inlet (required)
220
Power...pattern at Mode 13. 2) Set External Bright to MAX position and Contrast to MAX Position. 3) Select PRESET START → BIAS CAL command and Enter. 4) No attempt to manually adjust, BIAS data is ...
Service Manual - Page 10
...
OUT A SHORT POINT
AS OPENING
EACH POWER LINE
NO CHECK U803. NO
CHECK 5VS LINE
(OPEN CHECK)
NO PROBLEM
IS U201 PIN12 (3.3V) VOLTAGE REPEATED AS PULSE
SHAPE ? YES
CHECK U802 PIN 1 VOLTAGE
(5V) ? TROUBLESHOOTING GUIDE
1. NO POWER
NO POWER (POWER INDICATOR OFF)
CHECK J705 VOLTAGE
PIN5, PIN6 (5V)? YES
CHECK U805 PIN...
Service Manual - Page 11
... AS
CONTACTING SCOPE
PROBE TO CAUTION LABEL. NO
(CONTACT PROBE TO
CAUTION LABEL.
LIPS
NO RASTER (OSD IS NOT DISPLAYED)
J705 PIN5, PIN 6
5V? YES
REPLACE CCFL LAMP IN THE LCD MODULE
LIPS NO RASTER (OSD IS NOT DISPLAYED) - 2.
Service Manual - Page 12
gmZAN2
NO RASTER (OSD IS NOT DISPLAYED)
U201 POWER PINS
3.3V? NO
PIN28 IS 60Hz V-SYNC? YES
TROUBLE IN CABLE OR LCD MODULE
CHECK CONNECTION LINE FROM U201 TO U401
CHECK U805
IS PULSE APPEARED
AT SIGNAL PINS?
..., 142
NO
SOLDERING CONDITION
2.
YES
U401 PIN1
NO
3.3V?
PIN27 IS 48KHz H-SYNC? PIN30 IS 48KHz DEN? CHECK X201
3. TROUBLE IN U201
U401
PIN31 IS 65MHz CLOCK?
Service Manual - Page 16
... LB501K BRAND 3090TKL040A PC+ABS
6304FLP025A LCD(LIQUID CRYSTAL DISPLAY) LM150X06-A3M1 LG PHILPS TFT COLOR 15.0 INCH XGA
2 or 6304FLP024A LCD(LIQUID CRYSTAL DISPLAY) LM150X07-B4 LG PHILPS TFT COLOR 15.0 INCH XGA
3
3809TKL026L BACK COVER ASSEMBLY, LB500J 029A PC+ABS
4-A 3043TKK097A TILT... GRAY(85964) BRAND DM
a
332-068U SCREW, PPB+3*8 (MSWR/FZMW1) Part No. EXPLODED VIEW PARTS LIST
Ref.
Service Manual - Page 17
... TP KEC SOT-23 80V 300M MAIN BOARD CAPACITORS
DATE: 2002. 8. 29. PART NO. DESCRIPTION / SPECIFICATION
C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C214 C215 C216...R/TP NP0 0.01UF 1608 50V 10% R/TP B(Y5P
*S *AL LOC. REPLACEMENT PARTS LIST
CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL.
* NOTE : S SAFETY Mark AL ALTERNATIVE...
Service Manual - Page 18
... R/TP 4.7K OHM 1/10 W 5% 1608 R/TP 1.5K OHM 1/10 W 5% 1608 R/TP *S *AL LOC. DESCRIPTION / SPECIFICATION
D706 D707 D708 ZD701 ZD702
0DS226009AA 0DS301109AA 0DS301109AA 0DZ560009GB 0DZ560009GB
KDS226 TP KEC SOT-23 80V 300M MMBD301LT1 TP MOTOROLA SOT23 3 MMBD301LT1 TP MOTOROLA...R/TP 5.6K OHM 1/10 W 1% 1608 R/TP 4.7K OHM 1/10 W 5% 1608 R/TP
*S *AL LOC.
PART NO.
PART NO. DATE: 2002. 8. 29.
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