Panasonic SB-HTB550GK, Service Manual

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8.2. Displayed Error Codes
This model does not have an alphanumetric display unit hence error code (when a fault condition occurs) is represented by the LED
status indicators. Refer to Fig 8.2
Here is the description of the LED status indicators:
LED 1 TV input selector indicator (OPTICAL INPUT 1 or ARC/HDMI OUT)
LED 2 BD/DVD input selector indicator (HDMI INPUT 1)
LED 3 AUX 1 input selector indicator (HDMI INPUT 2)
LED 4 AUX 2 input selector indicator (OPTICAL INPUT 2)
LED 5 DOLBY D decorder/audio format indicator
LED 6 DTS decorder/audio format indicator
LED 7 AAC decorder/audio format indicator (Japan region)
LED 7 PCM/LPCM decorder/audio format indicator (Non Japan region)
Fig 8.2
8.2.1. Error Code Display Details by LED Blinking Indicators
This section describes the LED status indicators by its blinking to represent the error codes.
Caution: The LED blinking process will stop only when the unit is power off completely.
Table 8-2-1
Error Code LED 1
(TV)
LED 2
(BD/
DVD)
LED 3
(AUX1)
LED 4
(AUX2)
LED 5
(DOLBY D)
LED 6
(DTS)
LED 7
(PCM) Cause and Problem
OVERLOAD (F61)
If this error occurs, main set
will automatically power off.
* X * X X X X
Speaker protection, DAMP IC abnormality.
Check for faulty parts and replace with new
parts if necessary.
F76
If this error occurs, main set
will automatically power off.
* X X X X X X
DC Power/Voltage Supply abnormality.
Check for faulty parts and replace with new
parts if necessary.
F70 DSP
* X * X * X X
DSP - Main Micro-p IC communication fail-
ure/abnormality. Check for faulty parts and
replace with new parts if necessary.
F70 DAP
* X * X * * X
DAP - Main Micro- P IC communication
failure /abnormality. Check for faulty parts
and replace with new parts if necessary.
F70 HDMI
* X * X * * *
HDMI Micro-P to Main Micro-P IC commu-
nication error. Check for faulty parts and
replace with new parts if necessary.
U701 / U703 / U704
X X * X X X X
• Connected devices error (HDCP non-
compliance). Check for faulty parts and
replace with new parts if necessary.
• HDMI connection abnormality (cable
damage, HDCP non-compliance etc).
Check for faulty parts and replace with
new parts if necessary.
• HDMI image format incompatibility.
Check for faulty parts and replace with
new parts if necessary.
“X” means LED off.
“*” means LED blink