JVC DR-MV1SUC Service Manual page 17

AA : Deck operation mode (See EMG detail information <1>.)
BB : Mechanism operation mode
(See EMG detail of information <1>.)
CC : Mechanism transition flag
DD : Capstan motor control status
EE : Loading motor control status
FF : Sensor information (See sensor information details.)
GG : Capstan motor speed
HH : Key code (JVC code)
I I : Supply reel winding diameter data higher 8 bits.
JJ : Supply reel winding diameter data lower 8 bits.
KK : Mechanism sensor information & mechanism mode posi-
tion(See EMG detail of information <1>.)
LL : Tape speed data higher 8 bits.
MM : Tape speed data lower 8 bits.
NN : Cassette tape type <2> higher 8 bits.
(See EMG detail of information <2>.)
OO : Cassette tape type <2> lower 8 bits.
(See EMG detail of information <2>.)
PP : General data display area
YY : General data display area
*FF:Sensor information details
<Display>
** h
* * * * *
Encoder data
(See Mechanism mode sequence.)
Cassette tab present = 1
Cassette tab broken = 0
Cassette absent = 1
Cassette present = 0
Start sensor
End sensor
[For *HD only]
AA
DD
GGGG
I I
KKKK
ROM No.
AA : Key code (JVC code)
BB : Deck operation mode(See EMG detail information
<1>.)
CC : Mechanism operation mode (See EMG detail informa-
tion <1>.)
DD : Sensor information (See sensor information details.)
EE : Capstan motor speed (Search, double speed)
FF : Tracking value
GGGG : Cassette tape type <2>, 16 bits.
(See EMG detail information <2>.)
HHHH : Supply reel winding diameter data
I I : Capstan motor speed (FF/REW, double speed)
JJJJ : Tape speed data, lower 8 bits.
KKKK : General data display area
LLLL : General data display area
MMMM : General data display area
*DD:Sensor information details
* * *
BB CC
EE FF
HHHH
J J J J
L L L L MMMM
<Display>
** h
* * * * *
Encoder data
(See Mechanism mode sequence.)
Remote pause
End sensor
Start sensor
Cassette tab present = 1
Cassette tab broken = 0
[For both MN*/HD*]
Mechanism mode sequence
Mechanism mode - Encoder data
1 2 3 4
LSA
LSB
LSC
LSD
Encoder output = Low
or
Trerminal - GND = SHORT
No. Position Encoder data
EJECT
1
2 EJECT1
EJECT2
3
ULSTOP
4
UPPER
5
ONSTOP(PLAY)
6
FWD/SS
7
REV/SS
8
OFFSTOP
9
FFREW-BRAKE
10
FFREW
11
MIDDLE
12
* * *
5 6 7 8 9 10
Encoder output = High
or
Trerminal - GND = OPEN
5 4 3 2 1
0 h = 0000
1 h = 0001
2 h = 0010
3 h = 0011
4 h = 0100
5 h = 0101
6 h = 0110
7 h = 0111
8 h = 1000
9 h = 1001
A h = 1010
F h = 1111
(No.YD006)1-17
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