Troubleshooting Guide; Check Of The Iic Bus Lines - Panasonic TH-32LRH30U Service Manual

TH-32LRH30U

6 Troubleshooting Guide

Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
6.1.

Check of the IIC bus lines

6.1.1. Set [Hospital Mode] Off
SELF CHECK can not be entered if Hospital mode is [On] (Activating). Hospital Mode should be set to [Off] by using only Remote
Control as following procedure.
1. Press [MENU], [G], [Y] and [0] buttons on the remote control by turns to display [Hospital Mode setup menu].
2. Select the item [Mode] and set [Off] status.
3. Select the item [Save] and press [OK] button.
4. Disconnect the AC cord from wall outlet, or press and hold the [POWER] button at right side on the main unit for 10 seconds
or more.
6.1.2. Enter into SELF CHECK
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 con-
trol for more than 3 seconds.
6.1.3. Exit
Disconnect the AC cord from wall outlet, or press and hold the TV's [POWER] button for 10 seconds or more.
6.1.4. Screen display
6.1.5. Check Point
Confirm the following parts if NG was displayed.
DISPLAY
Peaks
TUN
FE
ADAM
AVSW
STBY
MEM1
MEM2
MEM3
DCDC
DAC
FRSC
PRID
FPBD
Ref.No. Description
IC8001 Peaks sLD
TU8300 TUNER
IC8300 DEMO DULATOR
IC8001 sLD
IC3000 AUDIO VIDEO SWITCH
IC8001 sLD/STM
IC8950 EEPROM (sLD)
IC1101 EEPROM (STM)
IC in LCD PANEL EEPROM (Panel)
IC4800 DC-DC (T-con)
IC4802 DAC (T-con)
IC9004 MPU (TA)
IC8305 Pro: Idiom
IC9503 MPU (FP)
14
P.C.B.
A-BOARD
A-BOARD
A-BOARD
A-BOARD
A-BOARD
A-BOARD
A-BOARD
A-BOARD
LCD PANEL
A-BOARD
A-BOARD
TA-BOARD
TA-BOARD
FP-BOARD