Panasonic TH-42PX20U-P Service Manual page 14

be used to narrow down the +B line.
7.1. Self-check of the microcomputer control system (bus line)
Indicaton method
Press the "ACTION" button in the control panel of the unit simultaneously with the "POWER"
button in the control panel of the unit. Hold them few seconds.
Return to he normal screen
Press any button on the unit or in the remote control.
Screen Display
Display Ref. No.
MEMORY IC002
SOUND IC2401
YUV_SW IC4301
GC2M1 IC4501
GC2S1 IC4502
EXDAC2 IC5011
TNR1 TNR201
MTS IC4205
EXDAC IC8031
GC2M2 IC4501
GC2S2 IC4502
PANEL - - - - -
TNR2 TNR251
AVSW IC4302
CONV IC3801
SND2 IC4203
HDMI IC5003
Description
EEPROM for Main MPU
Sound Control
YUV switch
Global Core 2 for main
Global Core 2 for sub
EXDAC
Tuner 1
Multiplex sound
External I/O
Global Core 2 for main
Global Core 2 for sub
Panel
Tuner 2
AV switch
Convert Micom
BBE
HDMI Recelver
14
Board
DG
H
H
DG
DG
DV
TA
H
DG
DG
DG
- - - - -
TB
H
DG
H
DV