13.1. Distinguish the problem
How to distinguish the trouble
1. View mechanical part if visual damage occurred.
Confirm the movement of mechanical parts assembly
(tray ass’y, loading mechanism ass’y, etc.).
2. Diagnose if Optical Pickup Unit is faulty (refer to
diagnosis of Optical Pickup Unit).
3. If mechanism and OPU are OK, it is P.C.B.
13.1.1. Troubleshooting Guide Part 1
Checking Points
Possible Faults
Possible Reasons
Countermeasure
AC Inlet Circuit/Voltage
Selector Circuit
1. Failure to power-up
the main unit.
2. Power On switch
·
Wrong
selection
of
AC
power to main unit.
·
Voltage selector is faulty.
·
AC inlet JK500 is faulty.
·
AC
Line
filter
L500
is
faulty.
·
Power On switch broken.
·
Replace of fuse if found faulty.
·
Replace of voltage selector if found faulty.
·
Replace of AC Inlet if found faulty or damaged.
·
Replace AC Line filter is found faulty or damaged.
·
Replace Power On button switch if necessary.
·
If conditions as mentioned above is in good condition.
Check for wire connection. (W1/W2/W3/W4/W6/W7). If
connection is good, please proceed to check for
Transformer Circuit.
3.
Intermittent
Power
supply to main unit.
·
Check for connection.
·
If condition 1 to 4 as mentioned above is in good
condition.
Check
for
wire
connection.
(W1/W2/W3/W4/W6/W7). If connection is good, please
proceed to check for Transformer Circuit
18
SA-VK81DGCS / SA-VK81DGCP
Содержание SA-VK81DGCS
Страница 10: ...10 Operation Procedures 10 SA VK81DGCS SA VK81DGCP ...
Страница 11: ...11 SA VK81DGCS SA VK81DGCP ...
Страница 12: ...11 Disc information 12 SA VK81DGCS SA VK81DGCP ...
Страница 13: ...13 SA VK81DGCS SA VK81DGCP ...
Страница 17: ...13 Procedure for repairing the set 17 SA VK81DGCS SA VK81DGCP ...
Страница 42: ...42 SA VK81DGCS SA VK81DGCP ...
Страница 43: ...17 9 3 Replacement for the traverse deck Follow the Step 1 Step 10 of item 17 9 2 43 SA VK81DGCS SA VK81DGCP ...
Страница 45: ...45 SA VK81DGCS SA VK81DGCP ...
Страница 46: ...46 SA VK81DGCS SA VK81DGCP ...
Страница 48: ...48 SA VK81DGCS SA VK81DGCP ...
Страница 49: ...49 SA VK81DGCS SA VK81DGCP ...
Страница 50: ...50 SA VK81DGCS SA VK81DGCP ...
Страница 51: ...51 SA VK81DGCS SA VK81DGCP ...
Страница 52: ...52 SA VK81DGCS SA VK81DGCP ...
Страница 53: ...53 SA VK81DGCS SA VK81DGCP ...
Страница 54: ...54 SA VK81DGCS SA VK81DGCP ...
Страница 55: ...55 SA VK81DGCS SA VK81DGCP ...
Страница 56: ...56 SA VK81DGCS SA VK81DGCP ...
Страница 57: ...57 SA VK81DGCS SA VK81DGCP ...
Страница 59: ...59 SA VK81DGCS SA VK81DGCP ...
Страница 69: ...19 3 1 Cassette Deck Section 19 3 2 Adjustment Point 19 3 Alignment Points 69 SA VK81DGCS SA VK81DGCP ...
Страница 129: ...26 1 Deck Mechanism RAA3412 S 26 1 1 Deck Mechanism Parts Location 129 SA VK81DGCS SA VK81DGCP ...
Страница 130: ...130 SA VK81DGCS SA VK81DGCP ...
Страница 132: ...26 2 DVD Loading Mechanism 26 2 1 DVD Loading Mechanism Parts Location 132 SA VK81DGCS SA VK81DGCP ...
Страница 133: ...133 SA VK81DGCS SA VK81DGCP ...
Страница 134: ...134 SA VK81DGCS SA VK81DGCP ...
Страница 136: ...26 3 Cabinet 26 3 1 Cabinet Parts Location 136 SA VK81DGCS SA VK81DGCP ...
Страница 137: ...137 SA VK81DGCS SA VK81DGCP ...
Страница 138: ...138 SA VK81DGCS SA VK81DGCP ...
Страница 154: ...154 SA VK81DGCS SA VK81DGCP PRT0406 D K J N L ...