Sony GV-A500E, Service Manual, Page: 81 / 127

5-22
5. Condensation, head clogging check
Page 3 Address 17
Using method:
1)
Select page: 3, address: 17.
2) By discriminating the bit value of the display data, the state of
the VTR can be discriminated.
6. VTR state check (1)
Page 3 Address 18
Using method:
1)
Select page: 3, address: 18.
2) By discriminating the bit value of the display data, the state of
the VTR can be discriminated.
7. VTR state check (2)
Page 3 Address 19
Using method:
1)
Select page: 3, address: 19.
2) By discriminating the bit value of the display data, the state of
the VTR can be discriminated.
Bit
0
1
2
3
4
5
6
7
Function
Condensation state (1 hour preservation)
Head clogging
When bit value = 1
Condensation
Head clogging
When bit value = 0
Bit
0
1
2
3
4
5
6
7
Function
Video/audio circuit PB mode
Head clog detection when REC
Recorded tape playback
Capstan rotation
When bit value = 1
PB mode
Head clog
Playback
Rotation
When bit value = 0
REC/E-E mode
Bit
0
1
2
3
4
5
6
7
Function
Eject state
Cassette insertion state
Cassette accidental erasure prevention
Tape type
Tape type
Crystal variable speed playback
Variable speed playback mode
DRUM
When bit value = 1
Eject state
Cassette in
Accidental erasure
prevention state
ME
Hi8 MP
Variable speed playback
Variable speed playback
mode
DRUM rotation
When bit value = 0
REC/E-E mode
MP
MORMAL MP, ME
STOP