20
TH-42LRU20
8 Measurements and Adjustments
8.1.
Voltage chart of A-board
8.2.
Picture level adjustment (RF)
VOLTAGE
TEST POINT
SPECIFICATION
(Reception state)
SUB1.8V
TP5601
1.74 - 1.90
SUB1.2V
TP5600
1.18 - 1.32
SUB3.3V
TP5602
3.19 - 3.46
SUB5V
TP5200
4.9 - 5.1
SUB9V
TP5220
8.82 - 9.18
STB5V
TP5400
4.9 - 5.1
Instrument Name
Remarks
1. REMOTE TRANSMITTER
2. Ex. Signal (Sprit color bar)
Adjustment or Inspection Procedure
Remarks
< procedure >
1. Receive the Sprit color bar.
(Screen mode: ZOOM or FULL Picture mode: DYNAMIC AI: OFF AI Picture: OFF)
*BACK LIGHT +30
< Inspection >
1. Enter Service mode, and go to "ADJUST-CONTRAST" to adjust the picture level.
Volume UP/DOWN key makes GAIN displayed under PICTURE to set.
(The Sprit Color Bar Pattern)
Summary of Contents for TH37LRU20 - HOSPITALITY LCD HDTV
Page 19: ...19 TH 42LRU20 9 Remove 1 screw and then remove the V Board Block from the Cabinet Assy ...
Page 24: ...TH 42LRU20 24 ...
Page 25: ...25 TH 42LRU20 10 Wiring Connection Diagram 10 1 Wiring ...
Page 26: ...26 TH 42LRU20 ...
Page 27: ...TH 42LRU20 27 11 Schematic Diagram 11 1 Schematic Diagram Notes ...
Page 50: ...TH 42LRU20 50 ...
Page 60: ...Model No TH 42LRU20 Important Safety Notice ...
Page 61: ...Model No TH 42LRU20 Exploded View ...