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Table 4-7-1 Trouble Diagnosis Table Symptom
No power

Service position

Check points
F0501 F0502 F0503 F0504 TL0504 [MAN-B] [MAN-B] [MAN-B] [MAN-B] [MAN-B]

Detail of check
Is fuse blown?

Troubleshooting due to check results
Yes: Replace MAN-H/ MAN circuit board.

IC1503- 53 to 56 [MAN-B] (Do not solder lead wire) TL0510 [MAN-A] TL0511 [MAN-B] TL0512 [MAN-A] TL0513 [MAN-A] TL0515 [MAN-A] TL0517 [MAN-A] TL0518 [MAN-B] Date/time is incorrect Auto-focus does not operate. ----TL7041 [AEL-B]

Is the voltage approx. 3.2 V No: DC (REG ON) when the power switch is set to "VIDEO" or "PHOTO" from "POWER OFF"? Can approx. 3 V DC (SYS3V) be confirmed?

Replace MAN-H/ MAN circuit board.

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No zoom works even if zoom lever is operated.

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TL1543 [MAN-B]

Can approx. 1.5 V DC (C1.6V) be confirmed? Can approx. 3.2 V DC (CAM3V) be confirmed? Can approx. 4.8 V DC (CAM5V) be confirmed? Can approx. 3 V DC (D3V) be confirmed? Can approx. 5 V DC (D5V) be confirmed? Can approx. 2.5 V DC (D2.5V) be confirmed? Can approx. 15 V DC (C15V) be confirmed? Can approx. 3 V DC (B/U3V) Yes: Replace MAN-H/ be confirmed? MAN circuit board. No: Replace BA1801. Even if manual focus is set Yes: Replace lens unit. and +/- buttons are operated, No: Replace MAN-H/ focus is not correct, and MAN circuit board. when power is turned on again, abnormal sound is heard from the lens and it takes more than 20 seconds before an image appears. No zoom is operated by the Yes: Replace lens unit. remote control, and when power is turned on again, abnormal sound is heard from the lens and it takes more than 20 seconds before an image appears. Can change in voltage be Yes: Replace MAN-H/ confirmed when lever is MAN circuit board. operated (T/W)? No: Replace rear cover.