Hitachi DZMV100EAU Service Manual page 20

Symptom Symptom
Symptom Symptom Symptom
Date is not backed up
No display in information LCD
(B/W)
Does not enter REC PAUSE
status
No image in EVF
Great block noise during
movie recording
Error message "DISC AC-
CESS" appears and disc is
not recognized.
Noise appears on Disc
Navigation screen
Error message "Error oc-
curred" appears
Error message "NO DISC"
appears even when normal
disc is inserted
Error message "CHECK
DISC" appears
Error message "DISC"
appears
Error message "Reformat for
camera. Continue?" appears
Camera image is abnormal
Camera image distorted (sync
faulty)
No video from video output
jack
Check point Check point Detail of check Detail of check
Check point Check point Check point Detail of check Detail of check Detail of check
TL1518 [ANA-A] 3V DC when power supply is
not connected.
TL3704 [DIG-A] Pulse (CS-PNL signal)
----- Check damage to cable
between LCD power unit and
DIG circuit board
TL1509 [ANA-A] "Hi" when power turns on
(SYS-RST pulse).
R3841 [ANA-A] Signal (G signal)
----- -----
----- Error message does not
disappear and POWER switch
does not work.
Error message does not
disappear after 3 seconds or
more.
----- -----
----- -----
----- No improvement after DIG
circuit board is replaced.
----- Error message appears
approx. 1 second after disc is
inserted.
Error message appears at
least 10 seconds after disc is
inserted
----- Disc cartridge is write-
protected
----- -----
----- Normally initialized disc was
inserted
TL1003(*2) [SEN-B] Check CCD sensor drive
TL1004(*2) [SEN-B] pulses
TL1005(*2) [SEN-B]
TL1006(*2) [SEN-B]
TL1016(*2) [SEN-B]
TL1017(*2) [SEN-B]
TL1001(*2) [SEN-B] Check CCD output signal
IC1512-1 [ANA-A] 27MHz clock signal (SYS-
CLK)
----- Image appears in LCD or
EVF.
TL1712 [ANA-A] 0V when AV output cable is
connected
Troubleshooting due to check results Troubleshooting due to check results
Troubleshooting due to check results Troubleshooting due to check results Troubleshooting due to check results
NG: Check backup lithium battery and
JKR circuit board.
OK: IC1501, IC1504 or their peripheral
circuits faulty. Replace ANA circuit
board.
NG: IC1501 faulty. Replace ANA circuit
board.
OK: Check cable between LCD power
unit and DIG circuit board.
NG: Replace side case L.
OK: Replace LCD power unit.
NG: IC1501 faulty. Replace ANA circuit
board.
OK: IC4001 faulty. Replace DIG circuit
board.
NG: IC3801 faulty. Replace ANA circuit
board.
OK: Check flat cable between EVF and
ANA circuit board.
Movie encoder circuit faulty. Replace DIG
circuit board.
F0503 (fuse) faulty. Replace ANA circuit
board.
Yes: IC4001 (ATAPI system) or IC2001
(CODEC system) faulty. Replace
DIG circuit board.
No: Check connections between DIG
circuit board and mechanism unit.
IC4001 or clock circuit for IC4001 faulty.
Replace DIG circuit board.
IC4001 (ATAPI system) or IC2001
(CODEC system) faulty. Replace DIG
circuit board.
Replace mechanism unit.
Check connections between DIG circuit
board and mechanism unit. If no abnor-
mality is found, replace mechanism
block.
Replace mechanism unit.
Yes: Release write-protect.
No: Replace mechanism unit.
Initialize the disc.
Yes: Replace mechanism unit.
No: Initialize disc.
NG: Check connections between SEN
and DIG circuit boards. If there is no
abnormality, replace DIG circuit
board.
NG: Replace IC1001 (CCD sensor)
NG: IC1511 faulty. Replace ANA circuit
board.
OK: IC1401 faulty. Replace DIG circuit
board.
Yes: Check connections between ANA
and JKR circuit boards.
No: Replace ANA circuit board.
NG: Check AV output jack
(JK1981).
OK: IC1701 faulty. Replace ANA circuit
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