LG StudioWorks 500G, Service Manual

1. PICTURE TUBE 

Size

: 15 inch (Flat Square Tube)

DefIection Angle 

: 90°

Neck Diameter 

: 29.1 mm

Dot Pitch

: 0.28 mm

Face Treatment 

: AR-ASC (Anti-Reflection and

Anti-Static Coating)
AG(Anti-Glare)

Low Radiation

: MPR-II, NON MPR II

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 (Attached Type)

2-4. Scanning Frequency

Horizontal

: 30 ~ 54 kHz

Vertical

: 50 ~ 120 Hz

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 :

• 285  x  215 mm (11.22" x8.46") - Max Image Size
• 270 x 200 mm (10.63" x 7.87") - Preset Image Size

4-2. Display Color

: Full Colors

4-3. Display Resolution

: 1024 x 768 / 60Hz

(Non-Interlace)

4-4. Video Bandwidth

: 65 MHz

5. ENVIRONMENT

5-1. Operating Temperature: 0°C ~ 40°C 

(Ambient)

5-2. Relative Humidity

: 10%~ 90%

(Non-condensing)

5-3. Altitude

: 3,000 m

6. DIMENSIONS (with TILT/SWIVEL)

Width

: 356.0 mm (14.01")

Depth

: 396.0 mm (15.55")

Height

: 371.0 mm (14.60")

7. WEIGHT (with TILT/SWIVEL)

Net Weight

: 11.5 kg (25.3 lbs)

Gross Weight

: 13.7 kg (30.14 lbs)

CONTENTS

- 2 -

SPECIFICATIONS ................................................... 2
SAFETY PRECAUTIONS ........................................ 3
TIMING CHART ....................................................... 4
OPERATING INSTRUCTIONS ................................ 5
WIRING DIAGRAM  ................................................. 6
BLOCK DIAGRAM ................................................... 7
DESCRIPTION OF BLOCK DIAGRAM................... ..8

ADJUSTMENT ........................................................ 9
TROUBLESHOOTING GUIDE  .............................. 11
EXPLODED VIEW................................................... 21
REPLACEMENT PARTS LIST ............................... 23
PIN CONFIGURATION........................................... 28
SCHEMATIC DIAGRAM ......................................... 30
PRINTED CIRCUIT BOARD................................... 32

SPECIFICATIONS

MODE

NORMAL (ON)

STAND-BY

SUSPEND

OFF

H/V SYNC

ON/ON

OFF/ON

ON/OFF

OFF/OFF

POWER CONSUMPTION

less than  63 W

less than  15 W

less than  15 W

less than    5 W

LED COLOR

GREEN

ORANGE

ORANGE