Self Check; Display Indication; Troubleshooting Guide; Led Indication - Panasonic TC-42P1 Service Manual

Self Check

Display Indication

1. Self-check is used to automatically check the bus line con-
trolled circuit of the Plasma display.
2. To get into the Self-check mode press the volume down
button on the customer controls at the front of the set, at
the same time pressing the SLEEP (PT models)/ OFF-
TIMER (TC models) button on the remote control, and
the screen will show : -
If the CCU ports have been checked and found to be incor-
rect or not located then "--" will appear in place of "OK".
Trouble shooting guide

LED Indication

1. The Power LED indicates faulty status of power supply circuit by flashing.
When one of secondary supply voltage is decreased under 2/3 of original voltage, the power LED light change from green to
red flashing.
Sustain Voltage lines failure
Turn green LED
Vsus
Ve
VDA (+70V)
SS board
SC board
C1 - C4 board
SU or SD board
ID
IIC1
HG
IC2401 OK H21
DS
IC8002 OK H55
IC8013 OK H57
IC8007 OK H58
D
IC9100 OK H60
IC9210 OK H61
IC9410 OK H62
IC9801 OK H63
IC9804 OK H91
Red Color
Flashing
Red LED flashing
Remove
P7 board
Process Voltage lines failure
+3.3V
+13V
-15V
HG board
D board
DS pack
P board
- 19 -
IIC2
IC8501 OK H51
IC8516 OK H52
IC8506 OK H53
IC8509 OK H54
IC8004 OK H51
IC8010 OK H59
+5V
-15V