Hitachi DZ-GX20A Service Manual page 62

Troubleshooting > Trouble Diagnosis
2
No
TL0522 (D5V):
4.8V DC
Yes
*2: 12 V DC for DZ-GX20A; 15 V DC for other models.
No
TL0523 (C15/12V):
(*2)
12V or 15V DC
Yes
No
TL0525 (C8.5V):
8.5V DC
Yes
No
TL0524(C-7V):
DC-7V
Yes
Replace the MAN
circuit board.
No
IC0501-32: 7V DC
Yes
Replace Q0505.
No
TL0525 (C8.5V):
8.5V DC
Yes
Replace D0508 or
(*3)
D0509.
*3: Replace D0508 for DZ-GX20A; D0509 for other models.
Replace D0510.
Replace IC0505.
4 - 37
Replace IC0501.
No
IC0502-26: 7V DC
Yes
Replace Q0511.
*4: When power switch is set to
"VIDEO".
*5: When power switch is set to
3
"DISC PHOTO".
*6: When power switch is set to
"CARD PHOTO".
No
TL7003 (MOVIE):
(*4)
0V
Yes
No
TL7004 (STILL):
(*5)
0V
Yes
No
TL7002 (SD_MODE):
0V (*6)
Yes
Replace IC4006.
Replace IC0502.
Power switch faulty:
Replace the rear case.
Power switch faulty:
Replace the rear case.
Power switch faulty:
Replace the rear case.