Sony DNW-A220, Руководство по обслуживанию

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3-15
DNW-A220
DNW-A220P
C000 : CASSETTE SW
This submenu checks the functions of cassette tab sensors and REC inhibit sensors
(switches).
(1) Press each sensor (switch) with fingers.
. Confirm that “0” below the corresponding switch number changes to “1”.
(2) Release the fingers.
. Confirm that “1” below the corresponding switch number returns to “0”.
(3) Push the MENU button when terminating the check.
In case of NG
When cassette tab sensors (
1
to
6
) are NG
. Check the corresponding sensor (S400 to S405) on the SV-194 board.
.
Check the sensor input port of CPU (IC401 on the SV-194board).
When REC inhibit sensor (
7
) is NG
. Check the sensor (S406) on the SV-194 board.
.
Check the sensor input port of CPU (IC401 on the SV-194 board).
Locations of Sensors (Switches)
3-2. TAPE Maintenance Mode (M0)
3-2-2. SERVO CHECK Mode (C0)
INPUT CHECK
C000:CASSETTE SW
1:REEL HUB 2:METAL/OX
3:THICKNESS 4:SPARE
5:SPARE 6:DGTL/ANLG
7:S REC INH
7 1 3
SW 7654321 425
0000000 6
INPUT CHECK
C000:CASSETTE SW
1:REEL HUB 2:METAL/OX
3:THICKNESS 4:SPARE
5:SPARE 6:DGTL/ANLG
7:S REC INH
7 1 3
SW 7654321 425
1000000 6
(Ex.: When pushing the switch
7
)
REC
INHIBIT
SENSOR
7
1
Reel hub sensor
2
Metal/oxide tape sensor
3
Tape thickness sensor
4
Spare sensor 2
5
Spare sensor 1
6
Degital/analog tape sensor
1
42
6
3
5
Cassette tab sensors