Table of Contents
Advertisement
8 Adjustment
8.1.
Voltage Chart of A Board
Power Supply Name
SUB1.8V
SUB1.2V
SUB3.3V
DVDDIO3.3V/TVDD3.3V
HQ3.3V
HQVD1.2V
8.2.
Voltage Chart of P board
Power Supply Name
SOUND_VCC
BT-30V
SUB_5V
SUB_9V
DTV_12V
PANEL_12V
5VS
STB_5V
SUB_6V
V+ - V-
12V
8.3.
DVCO Adjustment
Measuring instrument
Adjust
Measurement Point
TP5602
TP5601
TP5600
TP4531
TP5433
TP5412
Measurement Point
TP7050
TP7060
TP7059
TP7055
TP7057
TP7058
TP7061
TP7062
TP7064
TP7025 - TP7026
TP7070
Instrument name
1. Remote control composite
output device
Procedure
<DVCO Adjustment>
1.
AVI
PAL/fp = 4.43361875 MHz
Receive the colour bar pattern at AVI composite video.
*Signal generator : PAL/fp = 4.43361875 MHz (ref.)
2. Service 1
Go to "DVCO" under Service 1 by pressing "FA" + "4" on the
remote control.
3. Perform automatic adjustment of DVCO using the blue key.
(About 3 sec.)
*DVCO (START)
The display colour of DVCO shows as black (START) → red
(under adjustment) → black (completion)
Specification (V)
1.76 - 1.85
1.22 - 1.27
3.19 - 3.39
3.23 - 3.37
3.18 - 3.47
1.19 - 1.26
Normal condition (V)
17.0 - 20.5
28.5 - 31.5
4.9 - 5.3
8.8 - 9.4
11.6 - 12.4
11.6 - 12.4
4.8 - 5.2
4.8 - 5.2
5.7 - 6.5
370 - 395
11.6 - 12.4
Connect to
AVI AV input terminal
25
TX-32LX800M-MALAYSIA
Normal condition (V)
< 3.0
< 3.0
< 1.0
< 1.0
< 1.0
< 2.0
4.8 - 5.2
4.8 - 5.2
< 1.0
no care
< 3.0
Remarks
Remarks
RF/PAL
[Another method]
Receive the PAL colour bar
pattern at RF.
EEPROM Address of DVCO
Adjustment value 238 ~ 239
Advertisement
Table of Contents
