Panasonic Viera TC-P50S60, Technical Manual

Page: 59 / 106

Slide 59
SOS Detect Circuit (1 of 3)
SOS Detect Circuit Explanation (3)
Blinks Item Detection Signal
PARAGON
Input terminal
1 System Error
Information error
FLASH check sum error
Power startup error
Communication (PD6H, PARAGON) error
- -
2 P15V DET
P3.3V: Low power
P15V: Missing Normal: H
Abnormal: L
OPCTRL10
6,7,8,9 Panel SOS
Normal :0-0.45V
6/ FFC_OFF_DET :0.55-0.95V
9/ SOS_DCC :1.13-1.55V
6/ SOS6_SC1 :1.75-2.15V
8/ SOS8_SS :2.35-2.75V
7/ SOS7_SC2 :2.8-3.3V
A/D Input Voltage ADIN7_SRV
10
SUB3.3/5V
overcharge
SUB3.3V/SUB5V: Overcharge
Normal: L
Abnormal: H
OPCTRL4
12 SOUND SOS Sound AMP Error
Normal: H
Abnormal: L
ADIN4_SRV
13 Emergency Error Internal Error - -
Protection circuits are incorporated in the unit to prevent the failure of a single circuit or component from
creating catastrophic damage. A shutdown condition occurs when there is an over voltage, a short or a
drop in any of the voltage lines.
The PARAGON Processor (IC8000) detect when a shutdown condition has been triggered.
When an abnormality has occurred, the unit’s protection circuit operates and the TV is reset to the standby
mode. At this time, the defective block can be identified by the number of blinks of the POWER LED on the
front of the unit.
The number of times that the POWER LED blinks indicates the areas where a problem is suspected.