Sunday, January 10, 2016

PANASONIC TX-R32LE8K Service mode – LED blinking code – Voltage test points – LCD Television Repair and service

Category: LCD Television Repair and service 

Contents of this article

  • How to access the service mode
  • LED blinking code
  • Voltage chart 



PANASONIC TX-R32LE8K

Service Mode Adjustment
Set channel 99, then set the timer to 30 min. Press the RECALL button on the remote control and the “- “button on the LCD panel.
SERVICE 1
1. Press the red button (on the remote control) for adjustment below.
DVCO >CEC CHECK ON/OFF BLUE BACK 551> SUB BRIGHTNESS
SERVICE 2
1. Select CEC CHECK mode in service 1, then press the HOLD button (on the remote control) to enter service 2.
Self Check Mode
1. Press the TIMER button (on the remote control) and the DOWN button on the LCD panel.
2. Press the NORMALIZE button (on the remote control) to Exit.
Hotel Mode Adjustment
1. Press the VOLUME DOWN button on the TV panel while pressing the TV/AV button on the remote control.
2. Press the MENU button on the remote control to Exit the Hotel Mode Function.
Service Commands
Service 1
Press the Green/ Red Button to step UP/DOWN through functions
Press the Yellow/Blue Button (or Volume UP/Down Button) to change the function value.
SERVICE 2
Press The RED/GREEN Button to Select The Options.
Press 1 or 2 button to select the bit
Press VLOUME UP/DOWN to Change the bit,0 or 1.
Press the STR Button After each option code has been changed to store
DVCO Adjustment
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.)
2. Service 1
Go to ìDVCOî 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)
Adjustment
Voltage Chart of A Board
Power Name
Test point
Voltages
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
STB_3.3 V
TP1835
3.30 ± 0.17 V
STB_1.8 V
TP1837
1.89 ± 0.09 V
SOUND_13.3 V
TP1816
13.3 ± 0.6 V

Voltage Chart of P board
Power Name
Test point
Voltages
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
STB_3.3 V
TPP009
3.30 ± 0.17 V
SOUND_13.3 V
TPP002
13.3 V ± 0.6 V
Self Check Function
Self Check
1. Self Check is used to automatically check the bus lines and hexadecimal codes of the TV set.
2. To get into the Self Check mode, press the DOWN button on the customerís controls at the front of the set, at the same time pressing the MENU button on the remote control. The screen that will show is represented
3. Press both OFF TIMER button on the remote control and DOWN key button on the control panel.
Power LED Blinking
When an abonormality has occurred in the unit, the protection circuit operates and resets to standby mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
No:Of blinks
Contents
Check point
1
Inverter SOS  
Power UNIT LCD panel
3
SOS
BT 30v
SOUND 18V
Panel 12 V
AP BOARD
H BOAARD
4
 Sub 9V
AP BOARD
5
Sub 5V
AP BOARD
6
Main 9V
AP- Board
8
Main 3.3V
AP Board