Sony KF-WE50A1 Service Manual page 8

KF-WE42A1/WE50A1/WS60A1
RM-1022 RM-1022
< Self-Diagnosis block diagram>
H3 (WE42A1/WE50A1)/
H4 (WS60A1) board
RM-1022
Display Engine u-com
IC41
Temp 4:Temp
IIC-E
sensor
KD board
CN6029
Audio
7:Audio
amp
23
A board
CN6020
8:D-OVP
+3.3V
C26
+2.5V
G1 board
CN6029
6:LowB
DD6V
23
error
G2 board
IC6902
CN6000
4:Fan
FAN PROT 92 2
FAN1-PRT
5
FAN2-PRT
8
FAN3-PRT
11
FAN4-PRT
CN6022
3:Lamp cover
LAMP-COVER 94 14
5:Lamp
8
LAMP-PROT 95
driver
LAMP-HV-DET 96 13
14
IIC-WE
CN6019
A8
A14
B14
– 8 –
Fan1
Fan2
Fan3
Fan4
T board
S8001
SW
Lamp driver Lamp
HV-DET
B
IC3801 WE u-com
IIC-WE
IIC-TV
IC3604 TV u-com
IIC-TV
SP_DC_PROT
128
126 D_OVP
129
LB_ERROR