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9 Adjustment
9.1. Voltage Chart of A Board
Power Name
Test point
Specification
ON
STANDBY
MAIN_5 V
TP1823
5.0 ± 0.25 V
-
PANEL_12 V
TP1815
12.0 ± 0.50 V
-
BT_30 V
TP1820
30.0 V ± 2.0 V
-
24 V
TP1818
24.0 ± 1.2 V
-
MAIN_8 V
TP1822
8.15 V ± 0.4 V
-
STB_6 V
TP1805
6.0 V ± 0.25 V
6.0 V ± 0.25 V
STB_3.3 V
TP1835
3.30 ± 0.17 V
3.30 ± 0.17 V
STB_1.8 V
TP1837
1.89 ± 0.09 V
1.89 ± 0.09 V
SOUND_13.3 V
TP1816
13.3 ± 0.6 V
-
9.2. Voltage Chart of P board
Power Name
Test point
Specification
ON
STANDBY
MAIN_5 V
TPP008
5.0 ± 0.25 V
-
PANEL_12 V
TPP005
12.0 ± 0.50 V
-
BT_30 V
TPP015
30.0 V ± 2.0 V
-
24 V
TPP007
24.0 ± 1.2 V
-
MAIN_8 V
TPP006
8.0 V ± 0.4 V
-
STB_6 V
TPP013
6.0 V ± 0.25 V
6.0 V ± 0.25 V
STB_3.3 V
TPP009
3.30 ± 0.17 V
3.30 ± 0.17 V
SOUND_13.3 V
TPP002
13.3 V ± 0.6 V
-
9.3. DVCO Adjustment
Measuring instrument
Instrument name
Connect to
Remarks
1. Remote control composite
output device
AVI AV input terminal
Adjust
Procedure
Remarks
1.
<DVCO Adjustment>
AVI
PAL/fp = 4.43361875 MHz
Receive the colour bar pattern at AVI composite video.
*Signal generator : PAL/fp = 4.43361875 MHz (ref.)
AVI
PAL/fp = 4.43361875 MHz
Receive the colour bar pattern at AVI composite video.
*Signal generator : PAL/fp = 4.43361875 MHz (ref.)
RF/PAL
2. Service 1
Go to “DVCO” under Service 1 by pressing “FA” + “4” on the
remote control.
remote control.
[Another method]
Receive the PAL colour bar
pattern at RF.
3. Perform automatic adjustment of DVCO using the blue key.
(About 3 sec.)
*DVCO (START)
The display colour of DVCO shows as black (START)
*DVCO (START)
The display colour of DVCO shows as black (START)
→ red
(under adjustment)
→ black (completion)
EEPROM Address of DVCO
Adjustment value 238 ~ 239
Adjustment value 238 ~ 239
20
TX-R32LE8K
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