KDL-70X4500 (serv.man2) - Sony TV Service Manual (repair manual). Page 18

Read Sony KDL-70X4500 (serv.man2) Service Manual online

KDL-70X4500 (HK)     2-4
2-4. SET REBOOTS
2-5. SELF DIAGNOSIS
2-5-1. RED LED BLINKS TABLE
TV micro (on ACW board) is monitoring if BE Micro & EMMA (on FBA board) are alive
or on abnormal status by watch dog timer. When BEM or EMMA has not boot up, TVM
try to re-start. We can see chassis reboot at this case. Check whether FBA board is
supplied with correct power or not.
- FBA board
   - CN 2800 12V power and harness to G8 board.
   - F2800, F4100, F4101, F4102, F5400, F7800, F7801  conduction.
If power rail has no problem, replace FBA board.
Power Error (watching 12V rail)   
T-CON Error
[CCFL] Panel Inverter Error
[LED] GL board Error
Panel Temperature Abnormal Detection
Audio Abnormal Detection
FAN Error -> Not detect (reboot operation)
[CCFL] Panel Balancer Error
[LED-BL] SPI Error (Babylon Communication Error)
Contents
Display
(Self Diagnosis mode )
Red LED Blink 
When self diagnosis happens, STBY (RED) LED blinks and
the history can be seen on display by self diagnosis mode.
POW_ERR1
T_CON
BACKLITE
PANELTEMP
AUD_PROT
FAN_ERR
BALANCER
2
5
6
7
8
9
13
Page of 38
Display

Click on the first or last page to see other KDL-70X4500 (serv.man2) service manuals if exist.