Possible Causes Of Errors - Sony HDV HVR-1500 Service Manual
Digital hd videocassette recorder with analog input board
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Also See for HDV HVR-1500:
- Service manual (274 pages) ,
- Operating instructions manual (111 pages) ,
- Brochure & specs (9 pages)
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3-2-4. Possible Causes of Errors
Possible causes of errors
Main code
Possible causes
1. Tape is stuck to the tape running mechanism.
2. Tape is loosely wound in the cassette.
3. Cassette tape is not confined properly.
(Cassette compartment is unlocked.)
4. Reel motor does not generate the correct torque.
5. Abnormality of reel FG
6. Tension regulator is defective.
7. Cut-and-spliced tape is used.
8. Top detector and end detector are defective.
9. Pinch roller has insufficient pressure against
capstan.
Check procedure for the possible causes, and the related circuit boards and devices
Possible causes
1. Tape is stuck to the tape running
mechanism.
. Tape is dirty.
. Tape run mechanism is dirty.
. Humidity or condensation
2. Tape is loosely wound in the cassette.
. A tape which has been used for
many times, is used.
. A damaged tape is used.
3. Cassette tape is not confined properly.
(Cassette compartment is unlocked.)
3-14
403
503
Sub code
603
O
O
O
O
O
O
Check items and check procedure
. Check if tape is stuck to tape guides or drum.
. Check if foreign material is adhered to tape.
. Check if tape is damaged.
. Check if foreign material is adhered to tape run
mechanism and drum.
. Check if tape has severe non-uniform winding.
Check that the four pins of the cassette
compartment are inserted into the holes of the
slant table.
Check that the cassette compartment retainer is
securely fastened.
↓
If a cassette compartment is unlocked when a
cassette compartment is inserted, exchange the
cassette compartment.
↓
When a cassette compartment is lock after it is
exchanged, the trouble is caused by the cassette
compartment. Otherwise the trouble is caused by
the defective drive circuit.
02
574
554
402
355
058
674
654
454
375
078
803
474
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
154
254
594
494
395
174
854
694
194
255
275
875
A55
A75
A95
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Related circuit boards and devices
cassette compartment
DR-428BG board
06
496
3A7
596
4A7
696
5A7
6A7
O
O
O
O
O
O
O
O
O
O
HVR-1500
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