Panasonic TC-P2013TI Guida rapida
Panasonic Corporation 2013
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a violation of law.
c
Model No. TC-P2013TI
Ver. 1.0
Blinking Code and “No Power”
Troubleshooting Flowchart
(SOS – Shutdown Detect)
Slide 1
Troubleshooting Information
Troubleshooting Information
Order No. ITD1302912GE
Ver. 1.0
Important Information
•To avoid the unnecessary replacement of multiple PC boards, please read this before
beginning to repair this unit.
•Do not use any service documentation other than the one designed for this particular model.
•Techniques used on previous models may not necessarily apply to the model you are
working on.
•For accurate diagnosis during troubleshooting, do not skip or alter the order of steps on the
guide.
Slide 2
When an abnormality occurs in the unit, the “SOS Detect” circuit is triggered and the TV shuts down.
The power LED on the front panel will flash a pattern indicating the circuit that has failed.
Cautions:
If the power LED continues to blink even after the TV is unplugged, press and hold the power switch
on the TV for a few seconds until the LED turns off.
Some steps require removal of connectors and sometimes PC boards removal. Do not allow the TV to
run for more than 30 seconds while connectors or boards are disconnected.
NOTE: When taking voltage reading, place your meter’s probe on the test point or pin indicated before
connecting the TV to the AC line. The voltage you intent to measure may only appear for a brief
moment.
Warning: The Vsus line has large capacitors that hold the charge for some time even after the TV has been turned off and
unplugged. When disconnecting P2/SC2 or P11/SS11, bleed the remaining charge of the Vsus before reconnecting the cable.
Use a 500 ohms/ 5W (At least) resistor to discharge the Vsus line before reconnecting P2/SC2 or P11/SS11.
SOS Precautions
Slide 3
SN
SN
42S60
50/55/60/65ST60
50S60
PSS
PSS
A
A
C2
C2
C1
C1
55/60/65S60
SC
SC
PSS
PSS
A
A
C2
C2
C1
C1
SU
SU
SD
SD
C3
C3
SC
SC
SS
SS
A
A
C2
C2
C1
C1
SU
SU
SD
SD
C3
C3
P
P
SC
SC
SS
SS
A
A
C2
C2
C1
C1
SU
SU
SD
SD
C3
C3
P
P
SS
2
SS
2
K
K
K
K
Board Layout
Board Layout
Slide 4
Board Layout
Board Layout and Connectors Location (1)
and Connectors Location (1)
TC-P42 S60
P2
P35
P6
SN2
P
PSS
SS
A
A
SN
SN
C1
C1 C2
C2
SS53
SS55
C25
SN20
C10 C20 C21 C26
A20
A31
A32
A6A
A12
A1
Slide 5
Board Layout
Board Layout and Connectors Location (2)
and Connectors Location (2)
TC-P50 ST60
P2 P11
P35
P6
SS11
SC2
SS
SS
A
A
SC
SC
SU
SU
SD
SD
C1
C1 C2
C2 C3
C3
SS2
SS2
SS33
SS52
SS54
SS57
SC20
SC41
SU41
SC46
SD46
SC42
SD42
SU11
SD11
C14 C18 C10 C20
C28
C25 C21 C26 C36 C31
A20
A31
A32
A33
A6 A12
A1
P
P
Slide 6
SC/SS
(“42: SN)
“42/50: PSS
“55/60/65: P
A
Missing F15V (As a result of Shorted Vsus/Vda)Incomplete or interrupted
Boot Program execution
of PEAKS IC (IC8000).
Fast
3 BLINKS
#4 Not
Often
#3 Occasionally#2#1 Suspect
ASC
(“42: SN)
An increase or reduction of the Energy Recovery
Circuit output (MID).
Shorted SUB5V.
Open or loose connection between SC and A boards
(SC20(SN20)/A20).
Open or loose connection between connectors of A and C
boards.
SC Energy Recovery
Circuit
6 BLINKS
A
Failure of IC9300.Discharge Control Circuit
DDC (IC9300)
9 BLINKS
A“42/50: PSS
“55/60/65: SS
Abnormality of the sustain drive circuit.
Open or loose connection between the SS/SS2 Boards
and FPCs from the panel (SS5# – SS5# – SS5#).
Sustain Drive Circuit and
Connection between the
SS(PSS) board and the
Panel.
8 BLINKS
A/Panel“42/50: PSS
“55/60/65: SS
SC
(“42: SN)
SU/SD
(“42: SN)
Missing Vsus. ( Open or loose connection between
connectors SC2(SN2)-P2. )
Abnormality of the scan circuit output, the 15V_F, Vad, and
Vscn circuit.
Open or loose Connection between the SC board and
the SU/SD board (SC41, SC42, SC46).
Defective panel.
Scan Drive Circuit and
Connection between the
SC board and the SU/SD
board.
7 BLINKS
A
Defective A board.IC8000 Internal problem
13 BLINKS
Speakers/
Subwoofer
A
Defective Speaker/Subwoofer.
Pinched Speaker Wire.
Audio Amp. Circuit
12 BLINKS
A
Over Voltage Condition of SUB5V or SUB3.3V.
Low voltage or SUB3.3V
SUB3.3V_Sense (OVP)
10 BLINKS
“42: SN
50/55/60/65: A
“42/50: PSS
“55/60/65: P
Missing P15V.P15V from the P board
2 BLINKS
A
Read error.
Wake up error of IC9300.
Panel Information SOS
Communication problem.
1 BLINK
LIST OF BOARDS POSSIBLY CASUSING THE FAILURECONDITIONS TRIGGERING
THE SHUTDOWN
CIRCUIT
MONITORED
POWER LED
ERROR
CODE
Power LED Error Code Definition (TC-P**S60)
Slide 7
#4 Not Often#3 Occasionally#2#1 Suspect
ASC
An increase or reduction of the Energy Recovery
Circuit output (MID).
Shorted SUB5V.
SC Energy Recovery
Circuit
6 BLINKS
A
Failure of IC9300.Discharge Control Circuit
DDC (IC9300)
9 BLINKS
ASS
Abnormality of the sustain drive circuit.
Open or loose connection between the SS/SS2 Boards
and FPCs from the panel (SS52 – SS54 – SS55 – SS57).
Open or loose connection between connectors of A and C
boards.
Open or loose connection between SC and A boards
(SC20(SN20)/A20).
Sustain Drive Circuit and
Connection between the
SS board and the Panel.
8 BLINKS
A/PanelSSSCSU/SD
Missing or shorted Vsus.
Abnormality of the scan circuit output, the 15V_F,
the scn_pro, and Vscn circuit.
Loose or open Connection between the SC board and
the SU/SD board (SC41, SC42, SC46).
Open or loose connection between connectors SC2/P2
Defective panel.
Scan Drive Circuit and
Connection between the
SC board and the SU/SD
board.
7 BLINKS
A
Defective A board.IC8000 Internal
Communication
13 BLINKS
Speakers/
Subwoofer
A
Defective Speaker/Subwoofer.
Pinched Speaker Wire.
Audio Amp. Circuit
12 BLINKS
APSSSC
Over Voltage Condition of SUB5V or SUB3.3V.
Low voltage of SUB3.3V (Result of P15V shorted)
SUB3.3V_Sense (OVP)
10 BLINKS
AP
Missing P15V.P15V from the P board
2 BLINKS
A
Read error.
Wake up error of IC9300.
Panel Information SOS
Communication problem.
1 BLINK
LIST OF BOARDS POSSIBLY CASUSING THE FAILURECONDITIONS TRIGGERING
THE SHUTDOWN
CIRCUIT
MONITORED
POWER LED
ERROR CODE
Power LED Error Code Definition (TC-P**ST60)
Slide 8
IC8000-1
Peaks
sLD8
Standby
uCOM
System
uCOM
U5
PANEL_SOS
9
SC_SOS6
12
8
11
SS_SOS8
SOS_DCC_S (9)
SC_SOS7
10 Normal : all input = “L”
(output = “L” )
SS
A33
5
A20
3
6
SC
IC9300
PD5L
D3
(Analog output)
6 – 9 blinks
SC_UHZ 18
179
SC
A20
C2
(If no signal,
Discharge Stop
: 6/8 blinks)
1314 E3
U4
PDP_DRVRST (Discharge Reset)
C
DRVRST
(If no 3.3V in C1/C2-PCB,
Discharge Stop
: 6/8 blinks)
D_UHZ
P3.3V
2 blinks
W2
Q9201
Q9201
P15V
H2
2 Blinks
if P15 is
missing
IC5000
REG
(STB3.3V)
RESET
P15V
Det. Circuit
NSOS
Slide 9
P15V_DET
IC9015
AND
A31
55
3.3V_DET A32
1
E27
7
PSS
A6A
21
AA3
Protection Circuit Block Diagram 1 of 2 (TC-P**S60)
2 BlinksShorted (42/50 inch)
Fast 3 BlinksShorted (55/60/65 inch)
2 BlinksMissingP15V
(“42/50) (“55/
60/65)
SN
(“42)
IC8000-2
Peaks
sLD8
Standby
uCOM
System
uCOM
STB3.3V
SOS
10 blinks
AB6
Q8771
Q8771
SUB3.3V
SUB5V
SUB3.3V
SOUND_SOS
12blinks
IC4900
Audio
AMP 18 T3
Normal=“H”
SUB5V &
SUB3.3V
OV Det.
Circuit
10 Blinks if
SUB5V or
SUB3.3V is
too high
Missing
SUB5V 6 blinks
after 11 sec.
Shorted
10 blinksOver Voltage
Slide 10
SUB3.3V
V4
(10 blinks)
3 Fast Blinks
If SUB3.3 is missing,
Software can not
wake up correctly,
then 3 blinks.
Protection Circuit Block Diagram 2 of 2 (TC-P**S60)
6 Blinks
If SUB5 is missing,
Panel drive control signal
can not be output to SC
board, then 6 blinks.
Fast
3 blinks
Shorted
Over Voltage 10 blinks
Missing
SUB3.3V
Indice
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