Sony KDF-E55A20 Service Manual page 11

Self-Diagnosis Block Diagram
H4 board
IC41
Te mp
sensor
KD board
Audio
amp
7:Audio
GM board
+3.3V
8:D-OVP
+2.5V
GM board
6:LowB
SETIIV
error
Q5V
KDF-E55A20/E60A20
GI board
IC6902
Display Engine u-com
FAN PROT
4:Temp
IIC-E
LAMP-COVER
LAMP-PROT
LAMP-HV-DET
CN6029
23
CN1609
A14
CN1609
B14
CN6006
5
CN6000
4:Fan
2
92
FAN1-PRT
5
FAN2-PRT
8
FAN3-PRT
11
FAN4-PRT
CN6022
3:Lamp cover
14
94
5:Lamp
8
95
driver
13
96
14
IIC-TV
CN6019
A8
A14
B14
CN6017
12:DTL
16
OVP
KDF-E55A20/E60A20
Fan1
Fan2
Fan3
Fan4
T board
S8001
SW
Lamp driver
HV-DET
B1 board
IC3002 TV u-com
IIC-TV
SP_DC_PROT
128
126
D_OVP
LB_ERROR
129
ATSC_OVP
127
Lamp
11