3. R-Y signal (TP236)
With [/-] buttons of the remote control transmitter, adjust the value appearing below R-Y indication so that the
amplitude (white-red) at TP236 becomes 0±0.03V.
8.4.4.
NTSC Component (525i) level adjustment
Measuring instrument
Connection
Mode
Remote control transmitter
525i signal
Oscilloscope
TP236~TP239 (GND) :R
TP237~TP239 (GND) :G
TP238~TP239 (GND) :B
ASPECT : 4:3
PIC MODE : STANDARD
BACK LIGHT : + 30
AI PICTURE : OFF
·
·
·
·
Receive 100% color bar signal at video input 1 (S terminal).
·
·
·
·
Enter the adjustment mode and adjust the amplitude level of each signal in the following steps.
1. Y signal
With [/-] buttons of the remote control transmitter, adjust the value appearing below YGAIN indication so that the
value below MAX indication becomes DC.
2. B-Y signal (TP238)
With [/-] buttons of the remote control transmitter, adjust the value appearing below B-Y indication so that the
amplitude (yellow-blue) at TP238 becomes 0±0.03V.
3. R-Y signal (TP236)
With [/-] buttons of the remote control transmitter, adjust the value appearing below R-Y indication so that the
amplitude (cyan-red) at TP236 becomes 0±0.03V.
8.4.5.
NTSC Component (525p) level adjustment
Measuring instrument
Connection
Mode
Remote control transmitter
525p signal
Oscilloscope
TP236~TP239 (GND) :R
TP237~TP239 (GND) :G
TP238~TP239 (GND) :B
ASPECT : 4:3
PIC MODE : STANDARD
BACK LIGHT : + 30
AI PICTURE : OFF
·
·
·
·
Receive 100% color bar signal at video input1 (S terminal).
·
·
·
·
Enter the adjustment mode and adjust the amplitude level of each signal in the following steps.
1. Y signal
With [/-] buttons of the remote control transmitter, adjust the value appearing below YGAIN indication so that the
value below MAX indication becomes B8.
22
TC-17LA1 / TC-20LA1
Summary of Contents for TC17LA1 - 17" LCD COLOR TV
Page 30: ...TC 17LA1 TC 20LA1 30 ...
Page 33: ...TC 17 20LA1 Power Block Diagram TC 17 20LA1 Power Block Diagram TC 17LA1 TC 20LA1 33 ...
Page 35: ...TC 17 20LA1 Signal Block Diagram TC 17 20LA1 Signal Block Diagram TC 17LA1 TC 20LA1 35 ...
Page 46: ...TC 17LA1 TC 20LA1 46 ...
Page 47: ...11 Parts Location Mechanical Replacement Parts List 11 1 Parts Location 47 TC 17LA1 TC 20LA1 ...
Page 48: ...11 2 Packing Exploded View 48 TC 17LA1 TC 20LA1 ...
Page 50: ...12 Replacement Parts List 12 1 Replacement Parts List Notes 50 TC 17LA1 TC 20LA1 ...
