Read Sharp XV-Z200E (serv.man13) Service Manual online
33
XV-Z200U/E, XV-Z201E
DT-300
DT-300
Lamp does not light up.
Yes
Yes
Is the cooling fan rotating?
Check the socket
Is the pin (22) of P1701 "H" level?
No
Check the power circuit or the fan
circuit of the main circuit.
circuit of the main circuit.
Yes
Is the color wheel rotating sound
heard?
heard?
No
Check around IC9101 motor
driver IC circuit IC9102 and IC9003.
driver IC circuit IC9102 and IC9003.
No
Normal
Abnormal
Is the lamp discharging sound
heard?
heard?
Yes
Yes
Is DC 340V voltage applied across
the ballast power?
the ballast power?
Lamp failure to light up. Go to
"Formatter Unit Troubleshooting".
"Formatter Unit Troubleshooting".
No
Check the control line P-SAVE.
Is the level converted at IC8001,
B5 output, RN4904?
Is the level converted at IC8001,
B5 output, RN4904?
No
Yes
Check the power circuit.
Yes
Check IC8001 and the
peripheral circuit.
peripheral circuit.
No
Replace the color
wheel.
wheel.
Check the
formatter PWB.
formatter PWB.
No
Replace the lamp.
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