
E1 - 14
Symptom
Symptom
Symptom
Symptom
Symptom
No power
No information appears on
screen after pressing DIS-
PLAY button: POWER switch
does not work.
No operating sound
No sound from speaker
No audio from audio output
jack
Microphone sound cannot be
recorded
Sound from external micro-
phone cannot be recorded
No sound can be recorded
Speaker sound volume
cannot be adjusted
Operation switches on side
case L do not work
Zoom switch does not work
EJECT switch does not work
Detail of check
Detail of check
Detail of check
Detail of check
Detail of check
Continuity check
"Hi" when power turns on
Approx. 3V DC (SYS3V)
Approx. 3V DC (CAM3V)
Approx. 5V DC (CAM5V)
Approx. 1.8V DC (CAM1.8V)
Approx. 3V DC (DRV3V)
Approx. 5V DC (DRV5V)
Approx. 15V DC
Voltage varies when POWER
switch is turned on/off.
Connections of switch unit.
Red and blue wires are "Hi".
Connect jigs in the same way
as for adjustment, and start
adjustment program (only
startup is necessary, adjust-
ment is not necessary).
Goes "Hi" momentarily when
power is turned on (SH-RST
pulse).
Check connections.
Audio signal
Audio signal
Check connections
Audio signal
Connection of external
microphone
Sound is output from speaker.
Volume indicator on screen
operates.
Switch operation changes
voltage.
Switch operation changes
voltage.
Check point
Check point
Check point
Check point
Check point
L0501
[ANA-A]
F0502
[ANA-B]
(*1)
L0509
[ANA-A]
L0504
[ANA-A]
TL0520
[ANA-B]
(*1)
TL1523
[ANA-B]
(*1)
L0502
[ANA-A]
L0503
[ANA-A]
L0505
[ANA-A]
L0510
[ANA-A]
L0511
[ANA-A]
C0546
[ANA-A]
TL1501
[ANA-A]
-----
Red and blue wires
of the MV100
connection jig.
IC4001-2
[DIG-A]
PG6301
[ANA-A]
(speaker connec-
tor)
TL6301
[ANA-A]
TL6302
[ANA-A]
TL1701
[ANA-A]
TL1702
[ANA-A]
PG6001
[JKR-A]
TL6091
[JKR-B]
TL6092
[JKR-B]
Microphone jack
(JK6051)
[JKR-B]
-----
-----
PG1503-4 [ANA-A]
PG1503-5 [ANA-A]
TL1503
[ANA-A]
TL1501
[ANA-A]
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: F0501 (fuse) faulty. Replace ANA
circuit board.
NG: F0502 (fuse) faulty. Replace ANA
circuit board.
NG: F0503 (fuse) faulty. Replace ANA
circuit board.
NG: F0504 (fuse) faulty. Replace ANA
circuit board.
NG: IC1501 faulty. Replace ANA circuit
board.
NG: IC1503 faulty. Replace ANA circuit
board.
NG: IC0501 or its peripheral circuits
faulty. Replace ANA circuit board.
NG: Check connections of switch unit.
OK: IC1501 or peripheral circuits faulty.
Replace ANA circuit board.
OK: Replace switch unit
NG: IC4001 faulty. Replace DIG circuit
board.
NG: IC4002 faulty. Replace DIG circuit
board.
NG: IC1501 faulty. Replace ANA circuit
board.
OK: IC4001 faulty. Replace DIG circuit
board.
NG: Connector connections faulty.
OK: Replace side case L (speaker).
NG: IC6301 or its peripheral circuits
faulty. Replace ANA circuit board.
NG: IC6103 or its peripheral circuits
faulty. Replace ANA circuit board.
OK: Check parts on JKR circuit board.
NG: Connector connections faulty.
OK: Replace microphone.
NG: Check IC6001, IC6091 and their
peripheral circuits.
OK: Replace ANA circuit board.
NG: External microphone connection
faulty. JK6051 contact faulty.
OK: Check Q6051 R/L and their
peripheral circuits.
NG: IC6301 faulty. Replace ANA circuit
board.
OK: IC5001 faulty. Replace DIG circuit
board.
NG: Replace switch unit.
OK: IC6301 faulty. Replace ANA circuit
board.
NG: Replace side case-L.
OK: CAM3V line or IC1501 faulty.
Replace ANA circuit board.
NG: Replace switch unit.
OK: IC1501 or its peripheral circuits
faulty. Replace ANA circuit board.
*1: Solder lead wire, etc. to check point for measurement.
*2: Perform measurement with GYR circuit board removed.
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