23
XV-Z90E
XV-Z91E
Lamp does not light up.
Yes
Yes
Is the cooling fan rotating?
Check the socket
Is the P1701 (22) pin H level?
No
Check the power circuit or the fan
circuit of the main circuit.
Yes
Is the color wheel rotating sound
heard?
No
Check around IC9101 circuit, motor
driver IC and IC9102, 9003.
No
Normal
Abnormal
Is the lamp discharging sound
heard?
Yes
Yes
Is DC 340V voltage applied across
the ballast power?
Lamp failure to light up. Go to
"Formatter Unit Troubleshooting".
No
Check the control line P-SAVE.
Is the level converted at IC8001,
B5 output, RN4904?
No
Yes
Check the power circuit.
Yes
Check IC8001 and the
peripheral circuit.
No
Replace the color
wheel.
Check the
formatter PWB.
No
Replace the lamp.
Summary of Contents for XV-Z90E
Page 60: ...60 8 7 10 9 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E CHASSIS LAYOUT CHASSIS ANORDNUNG ...
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Page 63: ...63 17 16 19 18 15 14 13 12 11 10 XV Z90E XV Z91E IC503 THC4538T ...
Page 65: ...65 17 16 19 18 15 14 13 12 11 10 XV Z90E XV Z91E ...
Page 68: ...68 8 7 10 9 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E Ë MAIN UNIT HAUPT EINHEIT 1 8 ...
Page 69: ...69 17 16 19 18 15 14 13 12 11 10 XV Z90E XV Z91E ...
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Page 72: ...72 8 7 10 9 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E Ë MAIN UNIT HAUPT EINHEIT 3 8 ...
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Page 76: ...76 8 7 10 9 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E Ë MAIN UNIT HAUPT EINHEIT 5 8 ...
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Page 96: ...96 8 7 10 9 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E Ë POWER UNIT NETZTEINHEIT ...
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Page 100: ...100 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E MAIN Unit Side A HAUPT Einheit Seite A ...
Page 101: ...101 6 5 4 3 2 1 A B C D E F G H XV Z90E XV Z91E MAIN Unit Side B HAUPT Einheit Seite B ...