Panasonic TC-32LX80LA, Service Manual

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20
TC-32LX80LA / TC-32LX80LU
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 8.15 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.)
RF/PAL
2. Service 1
Go to “DVCO” under Service 1 by pressing “FA” + “4” on the
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)
→
red
(under adjustment)
→
black (completion)
EEPROM Address of DVCO
Adjustment value 238 ~ 239