10.1.2. Sub-Contrast adjustment
Name o f m easuring instrum ent
Connection
Remarks
RF generator
Base B and signal generator
H D signal generator
Steps
Rem arks
Adjustm ent o f T V (RF system)
Note:
In adjustment, you m ust setting to modulation o f signal at 80%.
1. Receive a RF PAL 100% Full W hite or Split Colour bar shown as below.
100% White
2. G oes into service adjustm ent mode.
3. Push a [ 1 ] or [ 2 ] key, and goes into adjustm ent mode for [ C O N TR AST ].
Adjustm ent
1. The colour key yellow button o f rem ote control is pushed.
2. The OSD character o f sub-contrast becom es red.
(Inside under autom atic adjustment)
3. The OSD character o f sub-contrast returns to black.
4. End.
Ref.:
RF signal modulation spec.
L models: 80%
Other models: 90%
Note:
Sub-contrast adjustment is unadjusted
for AV/ HD input.
But, when needing the adjustment cho
sen manually, please refer to [ alterna
tive method ].
30
Summary of Contents for Viera TX-P42S20L
Page 21: ...7 4 No Picture 21...
Page 33: ...11 Block Diagram 11 1 Main Block Diagram 33...
Page 34: ...11 2 Block 1 4 Diagram 34...
Page 35: ...G 0 11 3 Block 2 4 Diagram I A I D IG IT A L S IG N A L P R O C E S S O R 35...
Page 36: ...11 4 Block 3 4 Diagram P P O W E R S U P P LY 36...
Page 37: ...11 5 Block 4 4 Diagram s c s c a n d r i v e s s s u s t a i n d r i v e 37...
Page 38: ...38...
Page 40: ...12 3 Wiring 2 40...
Page 43: ...13 2 P Board 1 4 Schematic Diagram A B C D E A P BO ARD LSEP1287BE HB 1 4 F 1 2 3 4 42...
Page 44: ...13 3 P Board 2 4 Schematic Diagram A P BO ARD LSEP1287BE HB 2 4 10 11 12 13 14 15 16 17 18 43...
Page 45: ...13 4 P Board 3 4 Schematic Diagram A B C D E F 1 2 3 4 44 5...
Page 46: ...13 5 P Board 4 4 Schematic Diagram 10 11 12 13 14 15 16 17 18 45...
Page 47: ...13 6 A Board 1 19 Schematic Diagram A A A BO AR D 1 19 IIC B C D E F 1 2 3 4 9 46...
Page 52: ...13 11 Board 6 19 Schematic Diagram A A BO AR D 6 19 STB MPU 46 47 48 49...
Page 54: ...13 12 Board 7 19 Schematic Diagram A A BO AR D 7 1 9 HDMI 55 56 57 58 59 52...
Page 57: ...69 70 71 72...
Page 59: ...Peaks COM MON 78 79 80 81...
Page 61: ...13 16 A Board 11 19 Schematic Diagram A A BO AR D 11 19 A V SW 91 92 93 94 95 96 97 98 99 56...
Page 63: ...FE_Virtual_Module Peaks COMMON TO 3 19 Analog ASIC 104 105 106 107 108 57...
Page 68: ...140 141 142 143 144 61...
Page 71: ...63...
Page 72: ...13 24 A Board 19 19 Schematic Diagram A A BO AR D 19 19 DVB T C D EM O D U LATO R 64...
Page 75: ...13 27 C2 Board 1 2 Schematic Diagram A A C 2 BO AR D TN PA5095 1 2 ___ I TO A BOARD A32 B 67...
Page 78: ...13 30 SC Board 2 4 Schematic Diagram 10 I 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 70...
Page 79: ...13 31 SC Board 3 4 Schematic Diagram 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 71...
Page 80: ...13 32 SC Board 4 4 Schematic Diagram 28 29 30 31 32 33 34 35 36 72...
Page 86: ...P BOARD COMPONENT SIDE LSEP1287BEHB B G 6 5 4 3 2 1 E F H 77...
Page 92: ...14 6 SC Board SC BOARD FOIL SIDE TXNSC11DEK B G 6 5 4 3 2 1 E F H 83...
Page 93: ...SC BOARD COMPONENT SIDE TXNSC11DEK B G 6 5 4 3 2 1 E F H 84...
Page 94: ...14 7 SS Board SS BOARD FOIL SIDE TXNSS11DEK B G 6 5 4 3 2 1 E F H 85...
Page 95: ...SS BOARD COMPONENT SIDE TXNSS11DEK...
Page 96: ......
Page 98: ...15 1 2 Exploded View 2 88...
Page 99: ...15 1 3 Packing 1 89...
Page 100: ...15 1 4 Packing 2 90...
