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5. 5. 5. 5. 5.
Troubleshooting Guide of DVD Video Camera/recorder
Troubleshooting Guide of DVD Video Camera/recorder
Troubleshooting Guide of DVD Video Camera/recorder
Troubleshooting Guide of DVD Video Camera/recorder
Troubleshooting Guide of DVD Video Camera/recorder
Cautions:
Cautions:
Cautions:
Cautions:
Cautions:
1)
This DVD video camera/recorder incorporates a laser emitter block and high-voltage section:
Take great care when performing work.
2)
Disassemble and reassemble the DVD video camera/recorder according to "Chapter 2 Disassembly".
Do not dismantle the R block any farther than the status shown in Fig. 5-1.
3)
Be careful not to short-circuit TL (test land), IC pins, etc. during work.
4)
Use the frame of ANA or DIG circuit board for GND.
The whole circuit board must be replaced in the following cases because components of these circuit boards are not available
as service parts. Judge whether the circuit boards shown below are defective, referring to the troubleshooting guide on the
following pages:
ANA circuit board
DIG circuit board
PHD circuit board [to be replaced together with mechanism unit] on R-block (drive block).
Notes:
Notes:
Notes:
Notes:
Notes: 1) Use the specified "check points" only for reference: Estimate the "Troubleshooting due to check results" method
from the "symptom" and try replacing circuit boards, components, etc., as needed.
If it is absolutely necessary to confirm check points, etc., pull them out from circuit boards using lead wires, etc.
2) This troubleshooting guide describes only major defects: The listed causes of defects and troubleshooting may not
always apply.
3) Troubleshooting guide assumes that connectors are correctly connected and that cables are not damaged or
disconnected: Make sure that all connectors and cables are correctly connected, and that they are not damaged.
4) This troubleshooting guide assumes that disc is normal. If there is any abnormality in disc, a trouble message will
appear: Perform appropriate troubleshooting, referring to "Explanation of Trouble Messages" described previously.
5) For check point locations, refer to the circuit board diagram shown in Chapter 6.
Letters in brackets [ ] show the names and sides of circuit boards:
Examples: ANA-A: Side A of ANA circuit board
B
A
A A A A A : R-Block (Drive Block)
B B B B B : PHD Circuit Board
(Mechanism Unit)
C C C C C : DIG Circuit Board
D D D D D : ANA Circuit Board
E E E E E : SE Circuit Board
F F F F F : GYR Circuit Board
G G G G G : JKR Circuit Board
H H H H H : JKF Circui Board
I I I I I : Flash Circuit Biard (Flash Unit)
J J J J J : GND
DIG-B: Side B of DIG circuit board
Fig. 5-1 Parts Locations
F
I
J
C
D
H
E
G
E1 - 13
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