LG CG771B, Руководство по обслуживанию, Страница: 2 / 58

CONTENTS
SPECIFICATIONS
- 2 -
SPECIFICATIONS ................................................... 2
SAFETY PRECAUTIONS ........................................ 3
TIMING CHART ....................................................... 4
OPERATING INSTRUCTIONS ................................ 5
CONTROL LOCATIONS ......................................... 7
WIRING DIAGRAM ................................................. 8
DISASSEMBLY ....................................................... 9
BLOCK DIAGRAM ................................................. 11 DESCRIPTION OF BLOCK DIAGRAM................... 12
ADJUSTMENT ...................................................... 14
TROUBLESHOOTING GUIDE .............................. 16
PRINTED CIRCUIT BOARD................................... 26
EXPLODED VIEW................................................... 30
REPLACEMENT PARTS LIST ............................... 32
PIN CONFIGURATION........................................... 51
SCHEMATIC DIAGRAM ......................................... 58
1. PICTURE TUBE
Size : 17 inch (Flat Square Tube)
DefIection Angle : 90°
Neck Diameter : 29.1mm
Transmission : 52% (TSB: 80%)
Dot Pitch : 0.28mm
Face Treatment : AR-ASC (Anti-Reflection and
Anti-Static Coating)
Low Radiation : TCO-92
2. SIGNAL
2-1. Horizontal & Vertical Sync
1) Input Voltage Level : Low=0~1.2V, High=2.5~5.5V
2) Sync Polarity
: Positive or Negative
2-2. Video Input Signal
1) Voltage Level : 0 ~ 0.7 Vp-p
a) Color 0, 0 : 0 Vp-p
b) Color 7, 0 : 0.467 Vp-p
c) Color 15, 0 : 0.7 Vp-p
2) Input Impedance : 75
Ω
3) Video Color : R, G, B Analog
4) Signal Format : Refer to the Timing Chart
2-3. Signal Connector
15-pin D-Sub Connector
2-4. Scanning Frequency
Horizontal : 30 ~ 70kHz
Vertical : 50 ~ 160Hz
3. POWER SUPPLY
3-1. Power Range
AC 100~240V (Free Voltage), 50/60Hz, 2.0A Max.
3-2. Power Consumption
4. DISPLAY AREA
4-1. Active Video Area : 315 x 230 mm (12.40" x 9.06")
(Available for Full Screen)
4-2. Display Color : Full Colors
4-3. Display Resolution : 1280 x 1024 / 60Hz
(Non-Interlace)
4-4. Video Bandwidth : 110MHz
5. ENVIRONMENT
5-1. Operating Temperature: 5°C ~ 40°C
(Ambient)
5-2. Relative Humidity : 5% ~ 90%
(Non-condensing)
5-3. Altitude : 10,000ft
6. DIMENSIONS (with TILT/SWIVEL)
Width : 415mm (16.34 inch)
Depth : 459mm (18.07 inch)
Height : 430mm (16.93inch)
7. WEIGHT (with TILT/SWIVEL)
Net Weight : 17.0kg (37.48 lbs.)
Gross Weight : 20.5kg (45.20 lbs.)
MODE
NORMAL (ON)
STAND-BY
SUSPEND
OFF
FAULT
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
OUT OF RANGE
POWER CONSUMPTION
less than 110 W
less than 15 W
less than 15 W
less than 15 W
less than 3 W
LED COLOR
GREEN
ORANGE
ORANGE
ORANGE