35
8.2.
Voltage chart of A-board
8.3.
Picture level adjustment (RF)
VOLTAGE
TEST POINT
SPECIFICATION
(Reception state)
STB3.3V
TP4716
3.3 ± 0.16 V
SUB5V
TP4723
5 ± 0.25 V
PANEL12V
TP8307
12 ± 0.6 V
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 select MAIN_ADJ PICTURE.
Volume UP/DOWN key makes GAIN displayed under PICTURE to set.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited
to the adjustment value automatically.
(The Sprit Color Bar Pattern)
Summary of Contents for TCL42U30 - 42" LCD
Page 22: ...22 7 19 EMI processing ...
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Page 43: ...Model No TC L42U30 Schematic Diagram Note S 1 ...
Page 44: ...Model No TC L42U30 Replacement Parts List Note S 2 ...
Page 45: ...Model No TC L42U30 A Board 1 8 S 3 ...
Page 46: ...Model No TC L42U30 A Board 2 8 S 4 ...
Page 47: ...Model No TC L42U30 A Board 3 8 S 5 ...
Page 48: ...Model No TC L42U30 A Board 4 8 S 6 ...
Page 49: ...Model No TC L42U30 A Board 5 8 S 7 ...
Page 50: ...Model No TC L42U30 A Board 6 8 S 8 ...
Page 51: ...Model No TC L42U30 A Board 7 8 S 9 ...
Page 52: ...Model No TC L42U30 A Board 8 8 and KA Board S 10 ...
Page 53: ...Model No TC L42U30 TC Board 1 3 S 11 ...
Page 54: ...Model No TC L42U30 TC Board 2 3 S 12 ...
Page 55: ...Model No TC L42U30 TC Board 3 3 S 13 ...
Page 56: ...Model No TC L42U30 A Board Foil Side S 14 ...
Page 57: ...Model No TC L42U30 A Board Component Side S 15 ...
Page 58: ...Model No TC L42U30 KA Board S 16 ...
Page 59: ...Model No TC L42U30 TC Board S 17 ...
