29WF50
(Continued)
Yes
Blown out
Check the power circuit consisting of T700, IC700, Q700 and peripheral parts.
Replace the Fuse.
Is the Fuse again blown out?
16-2
Check F3700.Check F3700.
No
Check IC1000, IC1002, Q1002, Q752 and Q753.
NO LED LIGHT
Normal
NoYes
Trouble shooting tableCheck the peripheral circuit of IC1700, IC1002, IC1701 and D1751.Does 5V appear at pin (22) of IC1000?
2000(ms)2000(ms)
2000(ms)
2000(ms)
(Continued)
2000(ms)
2000(ms)
16-1
5005002000(ms)500500500500500500500500500500500500
Bus-ErrBus-ErrBus-ErrBus-ErrBus-ErrBus-Err
Bus-Err
Trouble shooting table
2PROM
E(IC1001)V/C/D (IC800)Tuner (TU200)S-CONTROL (IC1300)AV-SWITCH (IC400)OtherNICAM/IGR (IC2300)
A
16 |