Table Of Contents; Specifications - LG V7550 Service Manual

SPECIFICATIONS ................................................... 2
SAFETY PRECAUTIONS ........................................ 3
TIMING CHART ....................................................... 4
OPERATING INSTRUCTIONS ................................ 5
BLOCK DIAGRAM ................................................... 7
DESCRIPTION OF BLOCK DIAGRAM................... ..8
ADJUSTMENT ...................................................... 10
1. PICTURE TUBE
Size
DefIection Angle
Neck Diameter
Stripe Pitch
Face Treatment
Low Radiation
2. SIGNAL
2-1. Horizontal & Vertical Sync
1) Input Voltage Level : Low=0~1.2V, High=2.0~5.5V
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 Attached Connector
2-4. Scanning Frequency
Horizontal
Vertical
3. POWER SUPPLY
3-1. Power Range
AC 100~240V (Free Voltage), 50/60Hz, 2.0A

SPECIFICATIONS

: 17 inch (Flat Slot Mask)
: 90°
: 29.1mm
: 0.25mm
: W-ARAS(Anti-Reflection and
Anti-Static Coating)
: TCO 03
: Positive or Negative
: 0 ~ 0.7 Vp-p
: 0 Vp-p
: 0.467 Vp-p
: 0.7 Vp-p
: 75Ω
: R, G, B Analog
: Refer to the Timing Chart
: 30 ~ 86 kHz
: 50 ~ 140 Hz
CONTENTS
TROUBLESHOOTING GUIDE .............................. 12
EXPLODED VIEW...................................
EXPLODED VIEW PARTS LIST...............................22
REPLACEMENT LIST..............................................23
PIN CONFIGURATION........................................... 28
SCHEMATIC DIAGRAM ......................................... 32
3-2. Power Consumption
MODE
NORMAL (MAX)
DPM OFF
OFF
4. DISPLAY AREA
4-1. Active Video Area :
• Max Image Size - 325.1 x 243.8mm (12.80" x 9.60")
• Preset Image Size - 310 x 230 mm (12.20" x 9.06")
4-2. Display Color
4-3. Display Resolution : 1280 x 1024 / 75Hz
4-4. Video Bandwidth : 135MHz
5. ENVIRONMENT
5-1. Operating Temperature: 0°C ~ 40°C (Ambient)
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 -
POWER CONSUMPTION
less than 100W
less than 4W
less than 1W
: Full Colors
(Non-Interlace)
: 10% ~ 90%
(Non-condensing)
: 3,048m
: 415.0mm (16.34 inch)
: 439.0mm (17.28 inch)
: 435.0mm (17.13 inch)
: 19.2kg (42.34 lbs.)
: 22.5kg (49.61 lbs.)
21
LED COLOR
GREEN
AMBER
OFF