Service Modes, Error Codes, and Fault Finding
5.
Table 5-4 Error Code Overview
Extra Info
Rebooting. When a TV-set is constantly rebooting due to
internal problems, most of the time no errors are logged or
blinked. You can recognize this rebooting via Hyperterminal
(for Hyperterminal settings, see section “
. It’s shown that the loggings which are generated
by the main software keep continuing.
5.6
Blinking LED Procedure
5.6.1
Introduction
The blinking LED procedure can be split up into two situations:
Refer to Table “
”.
•
Blinking LED procedure in CSM mode - LAYER 1 error
When you put the TV set in CSM mode, the blinking LED
automatically shows the Error Code (one digit).
The LED will only show the digit referring to the defective
board that causes the TV failure.
This is useful especially for home repair and Call Centers.
The aim is to have remote service diagnosis.
•
Blinking LED procedure in SAM mode - LAYER 2 error
When you put the TV set in SAM mode, the blinking LED
shows the contents of the Error Code Buffer (two digits).
This is useful especially for fault finding and gives more
details regarding the root cause of the defective board.
Note
When you put the TV set in CSM or SAM mode with an empty
Error Code Buffer, then the LED should not blink and the
spacer should not be displayed.
When one of the blinking LED procedures is activated, then the
blinking LED will show the contents of the Error Code Buffer.
Error codes higher than 10 are shown as follows:
1.
“n” long blinks indicating the decimal digit (“n” = 1 to 9).
2.
A pause of 1.5 s.
3.
“n” short blinks indicating the unit (“n”= 1 to 9).
4.
A pause of approximately 3 s.
5.
After displaying the last error code the LED ends the
sequence by blinking three seconds (spacer).
6.
The sequence starts again.
Example: Error 12 8 6 0 0.
After activation of the SAM, the front LED will show:
1.
One long blink of 750 ms (for the decimal digit) followed by
a pause of 1.5 s.
2.
Two short blinks of 250 ms followed by a pause of 3 s.
3.
Eight short blinks followed by a pause of 3 s.
4.
Six short blinks followed by a pause of 3 s.
5.
One long blink of 3 s to finish the sequence (spacer).
6.
The LED repeats the sequence.
5.6.2
How to Activate Blinking LED Procedure
Use one of the following methods:
•
Activate CSM. The blinking front LED will show the layer 1
error(s), this works in “normal operation” mode or
automatically when the error/protection is monitored by the
standby processor.
In case no picture is shown and there is no LED blinking,
read the logging to detect whether “error devices” are
mentioned. (see section “
,
”).
Description
Layer 1
Layer 2
Monitored by
Medium
Error /
Prot
Blinking LED /
Error Buffer
I²C address
Defective Board
I²C Busses
FE-bus
2
11
SOC
FE bus or via SSB bus
E
BL / EB
-
SSB
Cypress bus
2
12
SOC
Cypress bus
E
BL / EB
-
SSB
BE bus
2
13
SOC
BE bus
E
BL / EB
-
SSB
HDMI bus
2
14
SOC
HDMI bus
E
BL / EB
-
SSB
SSB bus
2
15
SOC
SSB bus
E
BL / EB
-
SSB
Soc doesn’t boot (HW cause)
2
18
Stby µP
P
BL
-
SSB
Supply related
12V
3
16
Stby µP
I/O
P
BL
-
Supply
Display supply (POK)
3
17
SOC
I/O
E
EB
-
Supply
Vcore 3V3
2
21
SOC
PMIC 1
E
EB
32/30
SSB
Vcpu 1V8
2
22
SOC
PMIC 0
E
EB
32
SSB
SSB related
I²C switch 4:1
Tuner: demodulator
2
24
SOC
SSB bus
E
EB
84
SSB
I²C switch 2:1 PMIC
2
25
SOC
PMIC bus
E
EB
E0
SSB
Cypress
2
26
SOC
HDMI bus
E
EB
40
SSB
Channel decoder 1
2
27
SOC
FE bus
E
EB
C8
SSB
Channel decoder 2
2
28
SOC
FE bus
E
EB
CE
SSB
Lnb Single/Dual
2
31
SOC
FE bus
E
EB
10
SSB
Boston (HDMI2.2)
2
32
SOC
FE bus
E
EB
40
SSB
Hybrid Tuner 1
Hybrid Tuner 2
2
34
SOC
FE bus
E
EB
C0
C6
SSB
Satellite Tuner 1
Satellite Tuner 2
2
36
SOC
FE bus
E
EB
C6
SSB
Analog demodulator
2
35
SOC
FE bus
E
EB
84
SSB
Class-D 1
2
37
SOC
SSB or FE bus
E
EB
38
SSB
FPGA PQ
2
38
SOC
BE bus
E
EB
84
BE
Class-D 2
2
39
SOC
SSB or FE bus
E
EB
D8
SSB
T° sensor SSB/set
2
42
SOC
SSB bus
E
EB
98
T° sensor
Light sensor
6
43
SOC
SSB or set bus
E
EB
52
Set
Temperature protection
8
44
SOC
SOC
P
?
-
SSB?
HDD XFS repair
8
45
SOC
SOC
E
HDD
RF4CE
6
46
SOC
UART
E
EB
NA
Set
SOC doesn’t boot (SW cause)
2
53
Stby µP
SOC
P
BL
D4
SSB
NT72314/72324
9
61
SOC
BE bus
E
EB
34
Back-end
I²C switch Back-end
9
63
SOC
BE bus
E
EB
E0
Back-end
Splash error
2
65
SOC
SOC
E
EB
-
SSB