Table Of Contents; Specifications - LG StudioWorks 900B Service Manual

SPECIFICATIONS ................................................... 2
SAFETY PRECAUTIONS ........................................ 3
TIMING CHART ....................................................... 4
OPERATING INSTRUCTIONS ................................ 5
CONTROL LOCATIONS ......................................... 6
WIRING DIAGRAM ................................................. 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
1. PICTURE TUBE
Size
DefIection Angle
Neck Diameter
Phosphor
Slot Pitch
Face Treatment
2. SIGNAL
2-1. Horizontal & Vertical Sync
1) Input Voltage Level : Low= 0.8V, High= 2.1V
2) Sync Polarity
2-2. Video Input Signal
1) Voltage Level
a) Color 0, 0
b) Color 7, 0
c) Color 15, 0
2) Input Impedance
3) Video Color
4) Signal Format
2-3. Signal Connector
15 Pin D-Sub Connector
2-4. Scanning Frequency
Horizontal
Vertical
3. POWER SUPPLY
3-1. Power Range
AC 100 - 240V~, 50/60Hz, 1.0A

SPECIFICATIONS

: 19 inch (Flat Slot Mask)
: 90°
: 29.1 mm
: P22
: 0.26 mm
: Anti-Glare
: Positive or Negative
: 0 ~ 0.7 Vp-p
: 0 Vp-p
: 0.467 Vp-p
: 0.7 Vp-p
: 75
: R, G, B Analog
: Refer to the Timing Chart
: 30 ~ 98 kHz
: 50 ~ 160 Hz
CONTENTS
DESCRIPTION OF BLOCK DIAGRAM................... 10
ADJUSTMENT ...................................................... 12
TROUBLESHOOTING GUIDE .............................. 14
EXPLODED VIEW.................................................. 21
REPLACEMENT PARTS LIST .............................. 23
PIN CONFIGURATION .......................................... 29
SCHEMATIC DIAGRAM ......................................... 32
PRINTED CIRCUIT BOARD................................... 34
3-2. Power Consumption
MODE
MAX
NORMAL (ON)
STAND-BY
SUSPEND
OFF
4. DISPLAY AREA
4-1. Active Video Area :
• Max Image Size - 365.8 x 274.3mm (12.91" x 9.61")
• Preset Image Size - 350 x 262 mm (12.20" x 9.06")
4-2. Display Color
4-3. Display Resolution : 1600 Dots x 1200Lines
4-4. Video Bandwidth
5. ENVIRONMENT
5-1. Operating Temperature: 0°C ~ 40°C (32°F ~ 103°F)
5-2. Relative Humidity
5-3. Altitude
6. DIMENSIONS (with TILT/SWIVEL)
Width
Depth
Height
7. WEIGHT (with TILT/SWIVEL)
Net Weight
Gross Weight
- 2 -
H/V SYNC POWER CONSUMPTION
less than 110W
ON/ON less than 83W
OFF/ON less than 8W
less than 8W
ON/OFF
less than 3W
OFF/OFF
: Full Colors
: 203MHz
(Ambient)
: 8% ~ 80%
(Non-condensing)
: 10,000 ft
: 448 mm (17.64")
: 470 mm (18.50")
: 454 mm (17.87")
: 18.5 kg (40.79 lbs)
: 21.5 kg (47.41 lbs)
LED COLOR
GREEN
GREEN
AMBER
AMBER