AOpen A70PF Service Manual page 15

NO
RASTER
CRT G1
-20V~
-80V ?
Yes
HEATER
VOLT
6.3 V ?
Yes
CRT
EHT
26KV ?
Yes
CRT G2
600V ?
Yes
CRT
KR,KG,KB
VOLTAGE
?
Yes
CHECK
CRT TUBE
A70PF(RX-777NS)
Q710 (E)
No
-0.6V ?
No
CHECK
B+ VOLT
7.2 V ?
No
CHECK
Deflection
Horizontal
CKT
No
CHECK
T701 FBT
No
VIDEO CKT
FAILURE
IC901(4)
No
-1.5V~-1.8V
Yes
CHECK
Q711(B)
< 0.7 V ?
Yes
CHECK
IC601
CHECK
VIDEO
CKT
No
CHECK
IC901
Surrounding
CKT
No
CHECK
IC901(24)
> 2.0 V ?
No
CHECK
IC901
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