7 Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
7.1.
Check of the IIC bus lines
7.1.1.
How to access
7.1.1.1.
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.
7.1.1.2.
Self-check indication and forced to factory shipment setting:
Caution:
New key will be generated and previous TV programmes recorded in USB HDD will not be viewed. (See Chap.5)
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.
7.1.2.
Screen display
42FHD
Panasonic 2010PDP
SET
SELF CHECK COMPLETE
PEAKS-SOFT
* _***
PEAKS-EEP
* * * * * * * *
LSI-PACKAGE
*_***
LSI-RELEASE
* **
STBY-SOFT
* * * * *
STBY-EEP
* * * * * * *
STBY-ROMCORR
* * * * *
PDP-MCU
* * * * * *
PDP-EEP
**_ **
PDP-DCC
**_ **
PDP-PDPOM
**_ **
SUM
* * * *
Model ID
**
* * * * * * * *
* * * * * * * *
EDID
TUN
OK
STBY
OK
MEM1
OK
MEM2
OK
ADAM
OK
AVSW
OK
PDROM
OK
OFDM
OK
TEMP
OK
VIF
OK
ID
OK
* : Displayed for E model only.
7.1.3.
Check Point
Confirm the following parts if NG was displayed.
Display
Ref. No.
Description
P.C.B.
TUN
TU2901A
TUNER
A-Board
STBY
IC8001
MPU (PEAKS-sLD)
A-Board
MEM1
IC1101
EEPROM (MPU)
A-Board
MEM2
IC8950
EEPROM (PEAKS-sLD)
A-Board
ADAM
IC8001
А-chip (PEAKS-sLD)
A-Board
AVSW
IC3000
Audio/Video SW
A-Board
PDROM
IC9300
PD4
A-Board
OFDM
IC8300
Digital demodulator
A-Board
TEMP
IC1000
Temp Sensor
A-Board
VIF
TU2901A
TUNER
A-Board
7.1.4.
Exit
Disconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.
18
Summary of Contents for Viera TX-P42S20L
Page 21: ...7 4 No Picture 21...
Page 33: ...11 Block Diagram 11 1 Main Block Diagram 33...
Page 34: ...11 2 Block 1 4 Diagram 34...
Page 35: ...G 0 11 3 Block 2 4 Diagram I A I D IG IT A L S IG N A L P R O C E S S O R 35...
Page 36: ...11 4 Block 3 4 Diagram P P O W E R S U P P LY 36...
Page 37: ...11 5 Block 4 4 Diagram s c s c a n d r i v e s s s u s t a i n d r i v e 37...
Page 38: ...38...
Page 40: ...12 3 Wiring 2 40...
Page 43: ...13 2 P Board 1 4 Schematic Diagram A B C D E A P BO ARD LSEP1287BE HB 1 4 F 1 2 3 4 42...
Page 44: ...13 3 P Board 2 4 Schematic Diagram A P BO ARD LSEP1287BE HB 2 4 10 11 12 13 14 15 16 17 18 43...
Page 45: ...13 4 P Board 3 4 Schematic Diagram A B C D E F 1 2 3 4 44 5...
Page 46: ...13 5 P Board 4 4 Schematic Diagram 10 11 12 13 14 15 16 17 18 45...
Page 47: ...13 6 A Board 1 19 Schematic Diagram A A A BO AR D 1 19 IIC B C D E F 1 2 3 4 9 46...
Page 52: ...13 11 Board 6 19 Schematic Diagram A A BO AR D 6 19 STB MPU 46 47 48 49...
Page 54: ...13 12 Board 7 19 Schematic Diagram A A BO AR D 7 1 9 HDMI 55 56 57 58 59 52...
Page 57: ...69 70 71 72...
Page 59: ...Peaks COM MON 78 79 80 81...
Page 61: ...13 16 A Board 11 19 Schematic Diagram A A BO AR D 11 19 A V SW 91 92 93 94 95 96 97 98 99 56...
Page 63: ...FE_Virtual_Module Peaks COMMON TO 3 19 Analog ASIC 104 105 106 107 108 57...
Page 68: ...140 141 142 143 144 61...
Page 71: ...63...
Page 72: ...13 24 A Board 19 19 Schematic Diagram A A BO AR D 19 19 DVB T C D EM O D U LATO R 64...
Page 75: ...13 27 C2 Board 1 2 Schematic Diagram A A C 2 BO AR D TN PA5095 1 2 ___ I TO A BOARD A32 B 67...
Page 78: ...13 30 SC Board 2 4 Schematic Diagram 10 I 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 70...
Page 79: ...13 31 SC Board 3 4 Schematic Diagram 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 71...
Page 80: ...13 32 SC Board 4 4 Schematic Diagram 28 29 30 31 32 33 34 35 36 72...
Page 86: ...P BOARD COMPONENT SIDE LSEP1287BEHB B G 6 5 4 3 2 1 E F H 77...
Page 92: ...14 6 SC Board SC BOARD FOIL SIDE TXNSC11DEK B G 6 5 4 3 2 1 E F H 83...
Page 93: ...SC BOARD COMPONENT SIDE TXNSC11DEK B G 6 5 4 3 2 1 E F H 84...
Page 94: ...14 7 SS Board SS BOARD FOIL SIDE TXNSS11DEK B G 6 5 4 3 2 1 E F H 85...
Page 95: ...SS BOARD COMPONENT SIDE TXNSS11DEK...
Page 96: ......
Page 98: ...15 1 2 Exploded View 2 88...
Page 99: ...15 1 3 Packing 1 89...
Page 100: ...15 1 4 Packing 2 90...