Measurements And Adjustments; Voltage Chart Of A-Board; Picture Level Adjustment (Rf) - Panasonic TH-42LRU20 Service Manual

TH-42LRU20

8 Measurements and Adjustments

8.1.

Voltage chart of A-board

8.2.

Picture level adjustment (RF)

Instrument Name
1. REMOTE TRANSMITTER
2. Ex. Signal (Sprit color bar)
Adjustment or Inspection Procedure
< 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.
VOLTAGE TEST POINT
SUB1.8V TP5601
SUB1.2V TP5600
SUB3.3V TP5602
SUB5V TP5200
SUB9V TP5220
STB5V TP5400
(The Sprit Color Bar Pattern)
20
SPECIFICATION
(Reception state)
1.74 - 1.90
1.18 - 1.32
3.19 - 3.46
4.9 - 5.1
8.82 - 9.18
4.9 - 5.1
Remarks
Remarks