Thursday, February 01, 2018

THL32EM5 – Panasonic LED TV – Service mode, Power board schematic, Hotel mode, LED blinking codes

Panasonic TH-L32EM5D LED TV - KM18 Chassis.
 Destination: INDIA
Panel system TFT LCD Module with LED Backlight
Visible screen size (diagonal) 80 cm / 32 inches
Number of pixels 2,073,600 (1,920 (W) × 1080 (H))
Receiving Channels
VHF BAND
2 - 12 (PAL / SECAM B, K1)
0 - 12 (PAL B AUST.)
1 - 9 (PAL B N.Z.)
1 - 12 (PAL / SECAM D)
1 - 12 (NTSC M Japan)
2 - 13 (NTSC M USA)
UHF BAND
21 - 69 (PAL G, H, I / SECAM G, K, K1)
28 - 69 (PAL B AUST.)
13 - 57 (PAL D, K)
13 - 62 (NTSC M Japan)
14 - 69 (NTSC M USA)
CATV
S1 - S20 (OSCAR)
1 - 125 (USA CATV)
C13 - C49 (JAPAN)
S21 - S41 (HYPER)
Z1 - Z37 (CHINA)
5A, 9A (AUST.)
Receiving Systems / Band name
Reception of broadcast transmissions and Playback from Video Cassette Tape Recorders
1 PAL B, G, H
2 PAL I
3 PAL D, K
4 SECAM B, G
5 SECAM D, K
6 SECAM K1
7 NTSC M (NTSC 3.58 / 4.5 MHz)
Playback from Special VCR’s or DVD
8 NTSC 4.43 / 5.5 MHz
9 NTSC 4.43 / 6.0 MHz
10 NTSC 4.43 / 6.5 MHz
11 NTSC 3.58 / 5.5 MHz
12 NTSC 3.58 / 6.0 MHz
13 NTSC 3.58 / 6.5 MHz
14 SECAM I
Playback from Special Disc Players and Special VCR’s or DVD
15 PAL 60 Hz / 5.5 MHz
16 PAL 60 Hz / 6.0 MHz 17 PAL 60 Hz / 6.5 MHz
How to enter into Service Mode and the Contents of adjustment mode
Service Mode
While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.
How to exit
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
Contents of adjustment mode
Value is shown as a hexadecimal number.
Preset value differs depending on models.
After entering the adjustment mode, take note of the value in each item before starting adjustment.
Service mode window and contents of the service mode
Service Tool
1. Select [SRV-TOOL] in Service Mode.
2. Press [OK] button on the remote control.
Display of SOS History
SOS History (Number of LED blinking ) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting].
POWER ON TIME/COUNT
Note :To display TIME/COUNT menu, highlight position, then press MUTE for 3 sec.
Time :Cumulative power on time, indicated hour : minute by decimal
Count :Number of ON times by decimal
Note :This indication will not be cleared by either of the self-checks or any other command.
To Exit  Disconnect the AC cord from wall outlet.
Self Check Mode
1. Press the ‘MENU’ button (on the remote control) and the ‘VOL DOWN’ button on the LCD panel.
2. Press ON/OFF button on the panel to Exit.
Hotel Mode Adjustment
1. Press the ‘VOLUME DOWN’ button on the TV panel and simultaneously press the INPUT button on the remote control 3 times to enter Hotel Mode.
2. Set Hotel mode ‘on/off’, then press ‘EXIT’ to come out.
Hotel Mode
Access command to the Hotel mode setup menu.
In order to display the Hotel mode setup menu, enter the following command (within 2 second).
[TV] : Vol [Down] + [REMOTE] : INPUT (3 times).
Then, the Hotel mode setup menu is displayed.
To exit the Hotel mode setup menu Disconnect AC power cord from wall outlet.
Check of the IIC bus lines
How to access
Self-check indication only:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
To Exit: Disconnect the AC cord from wall outlet.
Power LED Blinking timing chart
When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow:
Power board TNP4G531AA schematic
Click on the pictures to zoom in